Mercurial > hg > octave-lojdl > gnulib-hg
annotate lib/vasnprintf.c @ 12306:5e0e6e795550
vasnprintf: avoid compiler warnings
* lib/vasnprintf.c (VASNPRINTF): Avoid shadowing our own local
variables.
* lib/printf-args.c (PRINTF_FETCHARGS): Avoid type mismatch.
Signed-off-by: Eric Blake <ebb9@byu.net>
author | Eric Blake <ebb9@byu.net> |
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date | Fri, 30 Oct 2009 10:24:45 -0600 |
parents | 8b0d11ca9d01 |
children | 9f98da6e2275 |
rev | line source |
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1 /* vsprintf with automatic memory allocation. |
11208 | 2 Copyright (C) 1999, 2002-2009 Free Software Foundation, Inc. |
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3 |
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4 This program is free software; you can redistribute it and/or modify |
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5 it under the terms of the GNU General Public License as published by |
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6 the Free Software Foundation; either version 2, or (at your option) |
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7 any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU General Public License along |
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15 with this program; if not, write to the Free Software Foundation, |
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
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17 |
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18 /* This file can be parametrized with the following macros: |
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19 VASNPRINTF The name of the function being defined. |
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20 FCHAR_T The element type of the format string. |
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21 DCHAR_T The element type of the destination (result) string. |
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22 FCHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters |
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23 in the format string are ASCII. MUST be set if |
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24 FCHAR_T and DCHAR_T are not the same type. |
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25 DIRECTIVE Structure denoting a format directive. |
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26 Depends on FCHAR_T. |
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27 DIRECTIVES Structure denoting the set of format directives of a |
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28 format string. Depends on FCHAR_T. |
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29 PRINTF_PARSE Function that parses a format string. |
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30 Depends on FCHAR_T. |
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31 DCHAR_CPY memcpy like function for DCHAR_T[] arrays. |
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32 DCHAR_SET memset like function for DCHAR_T[] arrays. |
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33 DCHAR_MBSNLEN mbsnlen like function for DCHAR_T[] arrays. |
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34 SNPRINTF The system's snprintf (or similar) function. |
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35 This may be either snprintf or swprintf. |
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36 TCHAR_T The element type of the argument and result string |
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37 of the said SNPRINTF function. This may be either |
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38 char or wchar_t. The code exploits that |
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39 sizeof (TCHAR_T) | sizeof (DCHAR_T) and |
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40 alignof (TCHAR_T) <= alignof (DCHAR_T). |
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41 DCHAR_IS_TCHAR Set to 1 if DCHAR_T and TCHAR_T are the same type. |
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42 DCHAR_CONV_FROM_ENCODING A function to convert from char[] to DCHAR[]. |
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43 DCHAR_IS_UINT8_T Set to 1 if DCHAR_T is uint8_t. |
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44 DCHAR_IS_UINT16_T Set to 1 if DCHAR_T is uint16_t. |
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45 DCHAR_IS_UINT32_T Set to 1 if DCHAR_T is uint32_t. */ |
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46 |
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47 /* Tell glibc's <stdio.h> to provide a prototype for snprintf(). |
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48 This must come before <config.h> because <config.h> may include |
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49 <features.h>, and once <features.h> has been included, it's too late. */ |
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50 #ifndef _GNU_SOURCE |
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51 # define _GNU_SOURCE 1 |
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52 #endif |
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53 |
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54 #ifndef VASNPRINTF |
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55 # include <config.h> |
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56 #endif |
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57 #ifndef IN_LIBINTL |
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58 # include <alloca.h> |
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59 #endif |
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60 |
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61 /* Specification. */ |
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62 #ifndef VASNPRINTF |
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63 # if WIDE_CHAR_VERSION |
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64 # include "vasnwprintf.h" |
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65 # else |
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66 # include "vasnprintf.h" |
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67 # endif |
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68 #endif |
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69 |
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70 #include <locale.h> /* localeconv() */ |
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71 #include <stdio.h> /* snprintf(), sprintf() */ |
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72 #include <stdlib.h> /* abort(), malloc(), realloc(), free() */ |
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73 #include <string.h> /* memcpy(), strlen() */ |
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74 #include <errno.h> /* errno */ |
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75 #include <limits.h> /* CHAR_BIT */ |
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76 #include <float.h> /* DBL_MAX_EXP, LDBL_MAX_EXP */ |
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77 #if HAVE_NL_LANGINFO |
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78 # include <langinfo.h> |
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79 #endif |
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80 #ifndef VASNPRINTF |
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81 # if WIDE_CHAR_VERSION |
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82 # include "wprintf-parse.h" |
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83 # else |
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84 # include "printf-parse.h" |
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85 # endif |
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86 #endif |
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87 |
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88 /* Checked size_t computations. */ |
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89 #include "xsize.h" |
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90 |
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91 #if (NEED_PRINTF_DOUBLE || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL |
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92 # include <math.h> |
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93 # include "float+.h" |
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94 #endif |
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95 |
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96 #if (NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL |
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97 # include <math.h> |
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98 # include "isnand-nolibm.h" |
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99 #endif |
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100 |
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101 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE) && !defined IN_LIBINTL |
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102 # include <math.h> |
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103 # include "isnanl-nolibm.h" |
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104 # include "fpucw.h" |
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105 #endif |
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106 |
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107 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
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108 # include <math.h> |
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109 # include "isnand-nolibm.h" |
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111 #endif |
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112 |
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113 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL |
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114 # include <math.h> |
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115 # include "isnanl-nolibm.h" |
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116 # include "printf-frexpl.h" |
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117 # include "fpucw.h" |
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118 #endif |
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119 |
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120 /* Default parameters. */ |
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121 #ifndef VASNPRINTF |
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122 # if WIDE_CHAR_VERSION |
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123 # define VASNPRINTF vasnwprintf |
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124 # define FCHAR_T wchar_t |
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125 # define DCHAR_T wchar_t |
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126 # define TCHAR_T wchar_t |
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127 # define DCHAR_IS_TCHAR 1 |
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128 # define DIRECTIVE wchar_t_directive |
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129 # define DIRECTIVES wchar_t_directives |
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130 # define PRINTF_PARSE wprintf_parse |
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131 # define DCHAR_CPY wmemcpy |
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132 # define DCHAR_SET wmemset |
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133 # else |
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134 # define VASNPRINTF vasnprintf |
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135 # define FCHAR_T char |
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136 # define DCHAR_T char |
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137 # define TCHAR_T char |
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138 # define DCHAR_IS_TCHAR 1 |
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139 # define DIRECTIVE char_directive |
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140 # define DIRECTIVES char_directives |
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141 # define PRINTF_PARSE printf_parse |
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142 # define DCHAR_CPY memcpy |
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143 # define DCHAR_SET memset |
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144 # endif |
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145 #endif |
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146 #if WIDE_CHAR_VERSION |
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147 /* TCHAR_T is wchar_t. */ |
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148 # define USE_SNPRINTF 1 |
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149 # if HAVE_DECL__SNWPRINTF |
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150 /* On Windows, the function swprintf() has a different signature than |
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151 on Unix; we use the _snwprintf() function instead. */ |
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152 # define SNPRINTF _snwprintf |
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153 # else |
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154 /* Unix. */ |
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155 # define SNPRINTF swprintf |
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156 # endif |
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157 #else |
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158 /* TCHAR_T is char. */ |
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159 /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'. |
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160 But don't use it on BeOS, since BeOS snprintf produces no output if the |
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161 size argument is >= 0x3000000. |
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162 Also don't use it on Linux libc5, since there snprintf with size = 1 |
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163 writes any output without bounds, like sprintf. */ |
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164 # if (HAVE_DECL__SNPRINTF || HAVE_SNPRINTF) && !defined __BEOS__ && !(__GNU_LIBRARY__ == 1) |
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165 # define USE_SNPRINTF 1 |
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166 # else |
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167 # define USE_SNPRINTF 0 |
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168 # endif |
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169 # if HAVE_DECL__SNPRINTF |
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170 /* Windows. */ |
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171 # define SNPRINTF _snprintf |
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172 # else |
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173 /* Unix. */ |
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174 # define SNPRINTF snprintf |
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175 /* Here we need to call the native snprintf, not rpl_snprintf. */ |
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176 # undef snprintf |
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177 # endif |
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178 #endif |
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179 /* Here we need to call the native sprintf, not rpl_sprintf. */ |
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180 #undef sprintf |
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181 |
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182 /* GCC >= 4.0 with -Wall emits unjustified "... may be used uninitialized" |
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183 warnings in this file. Use -Dlint to suppress them. */ |
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184 #ifdef lint |
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185 # define IF_LINT(Code) Code |
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186 #else |
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187 # define IF_LINT(Code) /* empty */ |
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188 #endif |
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189 |
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190 /* Avoid some warnings from "gcc -Wshadow". |
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191 This file doesn't use the exp() and remainder() functions. */ |
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192 #undef exp |
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193 #define exp expo |
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194 #undef remainder |
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195 #define remainder rem |
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196 |
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197 #if !USE_SNPRINTF && !WIDE_CHAR_VERSION |
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198 # if (HAVE_STRNLEN && !defined _AIX) |
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199 # define local_strnlen strnlen |
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200 # else |
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201 # ifndef local_strnlen_defined |
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202 # define local_strnlen_defined 1 |
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203 static size_t |
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204 local_strnlen (const char *string, size_t maxlen) |
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205 { |
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206 const char *end = memchr (string, '\0', maxlen); |
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207 return end ? (size_t) (end - string) : maxlen; |
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208 } |
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209 # endif |
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210 # endif |
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211 #endif |
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212 |
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213 #if (!USE_SNPRINTF || (NEED_PRINTF_DIRECTIVE_LS && !defined IN_LIBINTL)) && HAVE_WCHAR_T && (WIDE_CHAR_VERSION || DCHAR_IS_TCHAR) |
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214 # if HAVE_WCSLEN |
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215 # define local_wcslen wcslen |
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216 # else |
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217 /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid |
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218 a dependency towards this library, here is a local substitute. |
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219 Define this substitute only once, even if this file is included |
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220 twice in the same compilation unit. */ |
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221 # ifndef local_wcslen_defined |
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222 # define local_wcslen_defined 1 |
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223 static size_t |
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224 local_wcslen (const wchar_t *s) |
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225 { |
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226 const wchar_t *ptr; |
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227 |
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228 for (ptr = s; *ptr != (wchar_t) 0; ptr++) |
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229 ; |
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230 return ptr - s; |
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231 } |
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232 # endif |
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233 # endif |
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234 #endif |
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235 |
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236 #if !USE_SNPRINTF && HAVE_WCHAR_T && WIDE_CHAR_VERSION |
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237 # if HAVE_WCSNLEN |
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238 # define local_wcsnlen wcsnlen |
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239 # else |
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240 # ifndef local_wcsnlen_defined |
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241 # define local_wcsnlen_defined 1 |
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242 static size_t |
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243 local_wcsnlen (const wchar_t *s, size_t maxlen) |
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244 { |
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245 const wchar_t *ptr; |
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246 |
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247 for (ptr = s; maxlen > 0 && *ptr != (wchar_t) 0; ptr++, maxlen--) |
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248 ; |
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249 return ptr - s; |
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250 } |
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251 # endif |
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252 # endif |
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253 #endif |
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254 |
10450 | 255 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL |
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256 /* Determine the decimal-point character according to the current locale. */ |
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257 # ifndef decimal_point_char_defined |
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258 # define decimal_point_char_defined 1 |
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259 static char |
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260 decimal_point_char (void) |
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261 { |
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262 const char *point; |
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263 /* Determine it in a multithread-safe way. We know nl_langinfo is |
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264 multithread-safe on glibc systems, but is not required to be multithread- |
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265 safe by POSIX. sprintf(), however, is multithread-safe. localeconv() |
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266 is rarely multithread-safe. */ |
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267 # if HAVE_NL_LANGINFO && __GLIBC__ |
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268 point = nl_langinfo (RADIXCHAR); |
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269 # elif 1 |
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270 char pointbuf[5]; |
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271 sprintf (pointbuf, "%#.0f", 1.0); |
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272 point = &pointbuf[1]; |
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273 # else |
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274 point = localeconv () -> decimal_point; |
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275 # endif |
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276 /* The decimal point is always a single byte: either '.' or ','. */ |
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277 return (point[0] != '\0' ? point[0] : '.'); |
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278 } |
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279 # endif |
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280 #endif |
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281 |
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282 #if NEED_PRINTF_INFINITE_DOUBLE && !NEED_PRINTF_DOUBLE && !defined IN_LIBINTL |
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283 |
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284 /* Equivalent to !isfinite(x) || x == 0, but does not require libm. */ |
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285 static int |
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286 is_infinite_or_zero (double x) |
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287 { |
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288 return isnand (x) || x + x == x; |
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289 } |
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290 |
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291 #endif |
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292 |
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293 #if NEED_PRINTF_INFINITE_LONG_DOUBLE && !NEED_PRINTF_LONG_DOUBLE && !defined IN_LIBINTL |
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294 |
10448 | 295 /* Equivalent to !isfinite(x) || x == 0, but does not require libm. */ |
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296 static int |
10448 | 297 is_infinite_or_zerol (long double x) |
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298 { |
10448 | 299 return isnanl (x) || x + x == x; |
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300 } |
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301 |
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302 #endif |
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303 |
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304 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
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305 |
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306 /* Converting 'long double' to decimal without rare rounding bugs requires |
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307 real bignums. We use the naming conventions of GNU gmp, but vastly simpler |
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308 (and slower) algorithms. */ |
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309 |
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310 typedef unsigned int mp_limb_t; |
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311 # define GMP_LIMB_BITS 32 |
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312 typedef int mp_limb_verify[2 * (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS) - 1]; |
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313 |
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314 typedef unsigned long long mp_twolimb_t; |
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315 # define GMP_TWOLIMB_BITS 64 |
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316 typedef int mp_twolimb_verify[2 * (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS) - 1]; |
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317 |
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318 /* Representation of a bignum >= 0. */ |
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319 typedef struct |
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320 { |
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321 size_t nlimbs; |
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322 mp_limb_t *limbs; /* Bits in little-endian order, allocated with malloc(). */ |
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323 } mpn_t; |
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324 |
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325 /* Compute the product of two bignums >= 0. |
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326 Return the allocated memory in case of success, NULL in case of memory |
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327 allocation failure. */ |
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328 static void * |
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329 multiply (mpn_t src1, mpn_t src2, mpn_t *dest) |
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330 { |
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331 const mp_limb_t *p1; |
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332 const mp_limb_t *p2; |
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333 size_t len1; |
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334 size_t len2; |
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335 |
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336 if (src1.nlimbs <= src2.nlimbs) |
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337 { |
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338 len1 = src1.nlimbs; |
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339 p1 = src1.limbs; |
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340 len2 = src2.nlimbs; |
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341 p2 = src2.limbs; |
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342 } |
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343 else |
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344 { |
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345 len1 = src2.nlimbs; |
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346 p1 = src2.limbs; |
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347 len2 = src1.nlimbs; |
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348 p2 = src1.limbs; |
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349 } |
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350 /* Now 0 <= len1 <= len2. */ |
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351 if (len1 == 0) |
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352 { |
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353 /* src1 or src2 is zero. */ |
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354 dest->nlimbs = 0; |
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355 dest->limbs = (mp_limb_t *) malloc (1); |
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356 } |
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357 else |
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358 { |
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359 /* Here 1 <= len1 <= len2. */ |
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360 size_t dlen; |
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361 mp_limb_t *dp; |
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362 size_t k, i, j; |
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363 |
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364 dlen = len1 + len2; |
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365 dp = (mp_limb_t *) malloc (dlen * sizeof (mp_limb_t)); |
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366 if (dp == NULL) |
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367 return NULL; |
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368 for (k = len2; k > 0; ) |
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369 dp[--k] = 0; |
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370 for (i = 0; i < len1; i++) |
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371 { |
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372 mp_limb_t digit1 = p1[i]; |
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373 mp_twolimb_t carry = 0; |
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374 for (j = 0; j < len2; j++) |
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375 { |
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376 mp_limb_t digit2 = p2[j]; |
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377 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2; |
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378 carry += dp[i + j]; |
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379 dp[i + j] = (mp_limb_t) carry; |
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380 carry = carry >> GMP_LIMB_BITS; |
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381 } |
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382 dp[i + len2] = (mp_limb_t) carry; |
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383 } |
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384 /* Normalise. */ |
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385 while (dlen > 0 && dp[dlen - 1] == 0) |
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386 dlen--; |
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387 dest->nlimbs = dlen; |
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388 dest->limbs = dp; |
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389 } |
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390 return dest->limbs; |
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391 } |
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392 |
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393 /* Compute the quotient of a bignum a >= 0 and a bignum b > 0. |
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394 a is written as a = q * b + r with 0 <= r < b. q is the quotient, r |
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395 the remainder. |
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396 Finally, round-to-even is performed: If r > b/2 or if r = b/2 and q is odd, |
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397 q is incremented. |
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398 Return the allocated memory in case of success, NULL in case of memory |
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399 allocation failure. */ |
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400 static void * |
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401 divide (mpn_t a, mpn_t b, mpn_t *q) |
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402 { |
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403 /* Algorithm: |
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404 First normalise a and b: a=[a[m-1],...,a[0]], b=[b[n-1],...,b[0]] |
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405 with m>=0 and n>0 (in base beta = 2^GMP_LIMB_BITS). |
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406 If m<n, then q:=0 and r:=a. |
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407 If m>=n=1, perform a single-precision division: |
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408 r:=0, j:=m, |
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409 while j>0 do |
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410 {Here (q[m-1]*beta^(m-1)+...+q[j]*beta^j) * b[0] + r*beta^j = |
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411 = a[m-1]*beta^(m-1)+...+a[j]*beta^j und 0<=r<b[0]<beta} |
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412 j:=j-1, r:=r*beta+a[j], q[j]:=floor(r/b[0]), r:=r-b[0]*q[j]. |
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413 Normalise [q[m-1],...,q[0]], yields q. |
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414 If m>=n>1, perform a multiple-precision division: |
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415 We have a/b < beta^(m-n+1). |
11422 | 416 s:=intDsize-1-(highest bit in b[n-1]), 0<=s<intDsize. |
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417 Shift a and b left by s bits, copying them. r:=a. |
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418 r=[r[m],...,r[0]], b=[b[n-1],...,b[0]] with b[n-1]>=beta/2. |
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419 For j=m-n,...,0: {Here 0 <= r < b*beta^(j+1).} |
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420 Compute q* : |
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421 q* := floor((r[j+n]*beta+r[j+n-1])/b[n-1]). |
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422 In case of overflow (q* >= beta) set q* := beta-1. |
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423 Compute c2 := ((r[j+n]*beta+r[j+n-1]) - q* * b[n-1])*beta + r[j+n-2] |
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424 and c3 := b[n-2] * q*. |
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425 {We have 0 <= c2 < 2*beta^2, even 0 <= c2 < beta^2 if no overflow |
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426 occurred. Furthermore 0 <= c3 < beta^2. |
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427 If there was overflow and |
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428 r[j+n]*beta+r[j+n-1] - q* * b[n-1] >= beta, i.e. c2 >= beta^2, |
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429 the next test can be skipped.} |
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430 While c3 > c2, {Here 0 <= c2 < c3 < beta^2} |
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431 Put q* := q* - 1, c2 := c2 + b[n-1]*beta, c3 := c3 - b[n-2]. |
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432 If q* > 0: |
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433 Put r := r - b * q* * beta^j. In detail: |
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434 [r[n+j],...,r[j]] := [r[n+j],...,r[j]] - q* * [b[n-1],...,b[0]]. |
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435 hence: u:=0, for i:=0 to n-1 do |
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436 u := u + q* * b[i], |
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437 r[j+i]:=r[j+i]-(u mod beta) (+ beta, if carry), |
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438 u:=u div beta (+ 1, if carry in subtraction) |
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439 r[n+j]:=r[n+j]-u. |
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440 {Since always u = (q* * [b[i-1],...,b[0]] div beta^i) + 1 |
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441 < q* + 1 <= beta, |
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442 the carry u does not overflow.} |
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443 If a negative carry occurs, put q* := q* - 1 |
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444 and [r[n+j],...,r[j]] := [r[n+j],...,r[j]] + [0,b[n-1],...,b[0]]. |
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445 Set q[j] := q*. |
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446 Normalise [q[m-n],..,q[0]]; this yields the quotient q. |
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447 Shift [r[n-1],...,r[0]] right by s bits and normalise; this yields the |
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448 rest r. |
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449 The room for q[j] can be allocated at the memory location of r[n+j]. |
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450 Finally, round-to-even: |
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451 Shift r left by 1 bit. |
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452 If r > b or if r = b and q[0] is odd, q := q+1. |
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453 */ |
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454 const mp_limb_t *a_ptr = a.limbs; |
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455 size_t a_len = a.nlimbs; |
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456 const mp_limb_t *b_ptr = b.limbs; |
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457 size_t b_len = b.nlimbs; |
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diff
changeset
|
458 mp_limb_t *roomptr; |
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parents:
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diff
changeset
|
459 mp_limb_t *tmp_roomptr = NULL; |
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parents:
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diff
changeset
|
460 mp_limb_t *q_ptr; |
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diff
changeset
|
461 size_t q_len; |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
462 mp_limb_t *r_ptr; |
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parents:
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diff
changeset
|
463 size_t r_len; |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
464 |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
465 /* Allocate room for a_len+2 digits. |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
466 (Need a_len+1 digits for the real division and 1 more digit for the |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
467 final rounding of q.) */ |
1466c973f476
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parents:
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diff
changeset
|
468 roomptr = (mp_limb_t *) malloc ((a_len + 2) * sizeof (mp_limb_t)); |
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parents:
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diff
changeset
|
469 if (roomptr == NULL) |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
470 return NULL; |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
471 |
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parents:
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diff
changeset
|
472 /* Normalise a. */ |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
473 while (a_len > 0 && a_ptr[a_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
474 a_len--; |
1466c973f476
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parents:
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diff
changeset
|
475 |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
476 /* Normalise b. */ |
1466c973f476
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parents:
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diff
changeset
|
477 for (;;) |
1466c973f476
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parents:
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diff
changeset
|
478 { |
1466c973f476
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parents:
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diff
changeset
|
479 if (b_len == 0) |
1466c973f476
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changeset
|
480 /* Division by zero. */ |
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diff
changeset
|
481 abort (); |
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diff
changeset
|
482 if (b_ptr[b_len - 1] == 0) |
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diff
changeset
|
483 b_len--; |
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diff
changeset
|
484 else |
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diff
changeset
|
485 break; |
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diff
changeset
|
486 } |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
487 |
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diff
changeset
|
488 /* Here m = a_len >= 0 and n = b_len > 0. */ |
1466c973f476
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diff
changeset
|
489 |
1466c973f476
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diff
changeset
|
490 if (a_len < b_len) |
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diff
changeset
|
491 { |
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diff
changeset
|
492 /* m<n: trivial case. q=0, r := copy of a. */ |
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|
493 r_ptr = roomptr; |
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changeset
|
494 r_len = a_len; |
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diff
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|
495 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t)); |
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|
496 q_ptr = roomptr + a_len; |
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|
497 q_len = 0; |
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|
498 } |
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changeset
|
499 else if (b_len == 1) |
1466c973f476
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diff
changeset
|
500 { |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
501 /* n=1: single precision division. |
1466c973f476
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parents:
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diff
changeset
|
502 beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */ |
1466c973f476
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parents:
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diff
changeset
|
503 r_ptr = roomptr; |
1466c973f476
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parents:
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diff
changeset
|
504 q_ptr = roomptr + 1; |
1466c973f476
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parents:
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diff
changeset
|
505 { |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
506 mp_limb_t den = b_ptr[0]; |
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diff
changeset
|
507 mp_limb_t remainder = 0; |
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changeset
|
508 const mp_limb_t *sourceptr = a_ptr + a_len; |
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diff
changeset
|
509 mp_limb_t *destptr = q_ptr + a_len; |
1466c973f476
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diff
changeset
|
510 size_t count; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
511 for (count = a_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
512 { |
1466c973f476
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parents:
8831
diff
changeset
|
513 mp_twolimb_t num = |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
514 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--sourceptr; |
1466c973f476
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parents:
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diff
changeset
|
515 *--destptr = num / den; |
1466c973f476
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parents:
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diff
changeset
|
516 remainder = num % den; |
1466c973f476
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parents:
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diff
changeset
|
517 } |
1466c973f476
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parents:
8831
diff
changeset
|
518 /* Normalise and store r. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
519 if (remainder > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
520 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
521 r_ptr[0] = remainder; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
522 r_len = 1; |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
523 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
524 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
525 r_len = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
526 /* Normalise q. */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
527 q_len = a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
528 if (q_ptr[q_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
529 q_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
530 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
531 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
532 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
533 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
534 /* n>1: multiple precision division. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
535 beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==> |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
536 beta^(m-n-1) <= a/b < beta^(m-n+1). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
537 /* Determine s. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
538 size_t s; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
539 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
540 mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
541 s = 31; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
542 if (msd >= 0x10000) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
543 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
544 msd = msd >> 16; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
545 s -= 16; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
546 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
547 if (msd >= 0x100) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
548 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
549 msd = msd >> 8; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
550 s -= 8; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
551 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
552 if (msd >= 0x10) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
553 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
554 msd = msd >> 4; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
555 s -= 4; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
556 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
557 if (msd >= 0x4) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
558 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
559 msd = msd >> 2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
560 s -= 2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
561 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
562 if (msd >= 0x2) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
563 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
564 msd = msd >> 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
565 s -= 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
566 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
567 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
568 /* 0 <= s < GMP_LIMB_BITS. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
569 Copy b, shifting it left by s bits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
570 if (s > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
571 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
572 tmp_roomptr = (mp_limb_t *) malloc (b_len * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
573 if (tmp_roomptr == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
574 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
575 free (roomptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
576 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
577 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
578 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
579 const mp_limb_t *sourceptr = b_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
580 mp_limb_t *destptr = tmp_roomptr; |
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8831
diff
changeset
|
581 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
582 size_t count; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
583 for (count = b_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
584 { |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
585 accu += (mp_twolimb_t) *sourceptr++ << s; |
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
586 *destptr++ = (mp_limb_t) accu; |
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Add support for 'long double' number output.
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diff
changeset
|
587 accu = accu >> GMP_LIMB_BITS; |
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Add support for 'long double' number output.
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diff
changeset
|
588 } |
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
589 /* accu must be zero, since that was how s was determined. */ |
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
590 if (accu != 0) |
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Add support for 'long double' number output.
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diff
changeset
|
591 abort (); |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
592 } |
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
593 b_ptr = tmp_roomptr; |
1466c973f476
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diff
changeset
|
594 } |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
595 /* Copy a, shifting it left by s bits, yields r. |
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
596 Memory layout: |
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diff
changeset
|
597 At the beginning: r = roomptr[0..a_len], |
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Add support for 'long double' number output.
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diff
changeset
|
598 at the end: r = roomptr[0..b_len-1], q = roomptr[b_len..a_len] */ |
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Add support for 'long double' number output.
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diff
changeset
|
599 r_ptr = roomptr; |
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diff
changeset
|
600 if (s == 0) |
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diff
changeset
|
601 { |
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Add support for 'long double' number output.
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diff
changeset
|
602 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t)); |
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Add support for 'long double' number output.
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diff
changeset
|
603 r_ptr[a_len] = 0; |
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diff
changeset
|
604 } |
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Add support for 'long double' number output.
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diff
changeset
|
605 else |
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8831
diff
changeset
|
606 { |
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diff
changeset
|
607 const mp_limb_t *sourceptr = a_ptr; |
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changeset
|
608 mp_limb_t *destptr = r_ptr; |
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diff
changeset
|
609 mp_twolimb_t accu = 0; |
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diff
changeset
|
610 size_t count; |
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diff
changeset
|
611 for (count = a_len; count > 0; count--) |
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diff
changeset
|
612 { |
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changeset
|
613 accu += (mp_twolimb_t) *sourceptr++ << s; |
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diff
changeset
|
614 *destptr++ = (mp_limb_t) accu; |
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diff
changeset
|
615 accu = accu >> GMP_LIMB_BITS; |
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changeset
|
616 } |
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changeset
|
617 *destptr++ = (mp_limb_t) accu; |
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|
618 } |
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diff
changeset
|
619 q_ptr = roomptr + b_len; |
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changeset
|
620 q_len = a_len - b_len + 1; /* q will have m-n+1 limbs */ |
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diff
changeset
|
621 { |
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diff
changeset
|
622 size_t j = a_len - b_len; /* m-n */ |
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diff
changeset
|
623 mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */ |
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diff
changeset
|
624 mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */ |
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diff
changeset
|
625 mp_twolimb_t b_msdd = /* b[n-1]*beta+b[n-2] */ |
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diff
changeset
|
626 ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) | b_2msd; |
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diff
changeset
|
627 /* Division loop, traversed m-n+1 times. |
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diff
changeset
|
628 j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */ |
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diff
changeset
|
629 for (;;) |
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diff
changeset
|
630 { |
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diff
changeset
|
631 mp_limb_t q_star; |
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diff
changeset
|
632 mp_limb_t c1; |
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diff
changeset
|
633 if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */ |
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diff
changeset
|
634 { |
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8831
diff
changeset
|
635 /* Divide r[j+n]*beta+r[j+n-1] by b[n-1], no overflow. */ |
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diff
changeset
|
636 mp_twolimb_t num = |
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8831
diff
changeset
|
637 ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS) |
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diff
changeset
|
638 | r_ptr[j + b_len - 1]; |
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parents:
8831
diff
changeset
|
639 q_star = num / b_msd; |
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parents:
8831
diff
changeset
|
640 c1 = num % b_msd; |
1466c973f476
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parents:
8831
diff
changeset
|
641 } |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
642 else |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
643 { |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
644 /* Overflow, hence r[j+n]*beta+r[j+n-1] >= beta*b[n-1]. */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
645 q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */ |
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
646 /* Test whether r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] >= beta |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
647 <==> r[j+n]*beta+r[j+n-1] + b[n-1] >= beta*b[n-1]+beta |
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Add support for 'long double' number output.
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8831
diff
changeset
|
648 <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
649 {<= beta !}. |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
650 If yes, jump directly to the subtraction loop. |
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
651 (Otherwise, r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] < beta |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
652 <==> floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
653 if (r_ptr[j + b_len] > b_msd |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
654 || (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd) |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
655 /* r[j+n] >= b[n-1]+1 or |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
656 r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a |
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
657 carry. */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
658 goto subtract; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
659 } |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
660 /* q_star = q*, |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
661 c1 = (r[j+n]*beta+r[j+n-1]) - q* * b[n-1] (>=0, <beta). */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
662 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
663 mp_twolimb_t c2 = /* c1*beta+r[j+n-2] */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
664 ((mp_twolimb_t) c1 << GMP_LIMB_BITS) | r_ptr[j + b_len - 2]; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
665 mp_twolimb_t c3 = /* b[n-2] * q* */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
666 (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
667 /* While c2 < c3, increase c2 and decrease c3. |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
668 Consider c3-c2. While it is > 0, decrease it by |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
669 b[n-1]*beta+b[n-2]. Because of b[n-1]*beta+b[n-2] >= beta^2/2 |
1466c973f476
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parents:
8831
diff
changeset
|
670 this can happen only twice. */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
671 if (c3 > c2) |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
672 { |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
673 q_star = q_star - 1; /* q* := q* - 1 */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
674 if (c3 - c2 > b_msdd) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
675 q_star = q_star - 1; /* q* := q* - 1 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
676 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
677 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
678 if (q_star > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
679 subtract: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
680 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
681 /* Subtract r := r - b * q* * beta^j. */ |
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
682 mp_limb_t cr; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
683 { |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
684 const mp_limb_t *sourceptr = b_ptr; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
685 mp_limb_t *destptr = r_ptr + j; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
686 mp_twolimb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
687 size_t count; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
688 for (count = b_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
689 { |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
690 /* Here 0 <= carry <= q*. */ |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
691 carry = |
1466c973f476
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parents:
8831
diff
changeset
|
692 carry |
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
693 + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
694 + (mp_limb_t) ~(*destptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
695 /* Here 0 <= carry <= beta*q* + beta-1. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
696 *destptr++ = ~(mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
697 carry = carry >> GMP_LIMB_BITS; /* <= q* */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
698 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
699 cr = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
700 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
701 /* Subtract cr from r_ptr[j + b_len], then forget about |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
702 r_ptr[j + b_len]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
703 if (cr > r_ptr[j + b_len]) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
704 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
705 /* Subtraction gave a carry. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
706 q_star = q_star - 1; /* q* := q* - 1 */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
707 /* Add b back. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
708 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
709 const mp_limb_t *sourceptr = b_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
710 mp_limb_t *destptr = r_ptr + j; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
711 mp_limb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
712 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
713 for (count = b_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
714 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
715 mp_limb_t source1 = *sourceptr++; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
716 mp_limb_t source2 = *destptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
717 *destptr++ = source1 + source2 + carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
718 carry = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
719 (carry |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
720 ? source1 >= (mp_limb_t) ~source2 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
721 : source1 > (mp_limb_t) ~source2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
722 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
723 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
724 /* Forget about the carry and about r[j+n]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
725 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
726 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
727 /* q* is determined. Store it as q[j]. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
728 q_ptr[j] = q_star; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
729 if (j == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
730 break; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
731 j--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
732 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
733 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
734 r_len = b_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
735 /* Normalise q. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
736 if (q_ptr[q_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
737 q_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
738 # if 0 /* Not needed here, since we need r only to compare it with b/2, and |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
739 b is shifted left by s bits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
740 /* Shift r right by s bits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
741 if (s > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
742 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
743 mp_limb_t ptr = r_ptr + r_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
744 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
745 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
746 for (count = r_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
747 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
748 accu = (mp_twolimb_t) (mp_limb_t) accu << GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
749 accu += (mp_twolimb_t) *--ptr << (GMP_LIMB_BITS - s); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
750 *ptr = (mp_limb_t) (accu >> GMP_LIMB_BITS); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
751 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
752 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
753 # endif |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
754 /* Normalise r. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
755 while (r_len > 0 && r_ptr[r_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
756 r_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
757 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
758 /* Compare r << 1 with b. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
759 if (r_len > b_len) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
760 goto increment_q; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
761 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
762 size_t i; |
8835
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
763 for (i = b_len;;) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
764 { |
8835
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
765 mp_limb_t r_i = |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
766 (i <= r_len && i > 0 ? r_ptr[i - 1] >> (GMP_LIMB_BITS - 1) : 0) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
767 | (i < r_len ? r_ptr[i] << 1 : 0); |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
768 mp_limb_t b_i = (i < b_len ? b_ptr[i] : 0); |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
769 if (r_i > b_i) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
770 goto increment_q; |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
771 if (r_i < b_i) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
772 goto keep_q; |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
773 if (i == 0) |
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
774 break; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
775 i--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
776 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
777 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
778 if (q_len > 0 && ((q_ptr[0] & 1) != 0)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
779 /* q is odd. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
780 increment_q: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
781 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
782 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
783 for (i = 0; i < q_len; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
784 if (++(q_ptr[i]) != 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
785 goto keep_q; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
786 q_ptr[q_len++] = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
787 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
788 keep_q: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
789 if (tmp_roomptr != NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
790 free (tmp_roomptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
791 q->limbs = q_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
792 q->nlimbs = q_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
793 return roomptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
794 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
795 |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
796 /* Convert a bignum a >= 0, multiplied with 10^extra_zeroes, to decimal |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
797 representation. |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
798 Destroys the contents of a. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
799 Return the allocated memory - containing the decimal digits in low-to-high |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
800 order, terminated with a NUL character - in case of success, NULL in case |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
801 of memory allocation failure. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
802 static char * |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
803 convert_to_decimal (mpn_t a, size_t extra_zeroes) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
804 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
805 mp_limb_t *a_ptr = a.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
806 size_t a_len = a.nlimbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
807 /* 0.03345 is slightly larger than log(2)/(9*log(10)). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
808 size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1); |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
809 char *c_ptr = (char *) malloc (xsum (c_len, extra_zeroes)); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
810 if (c_ptr != NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
811 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
812 char *d_ptr = c_ptr; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
813 for (; extra_zeroes > 0; extra_zeroes--) |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
814 *d_ptr++ = '0'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
815 while (a_len > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
816 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
817 /* Divide a by 10^9, in-place. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
818 mp_limb_t remainder = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
819 mp_limb_t *ptr = a_ptr + a_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
820 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
821 for (count = a_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
822 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
823 mp_twolimb_t num = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
824 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
825 *ptr = num / 1000000000; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
826 remainder = num % 1000000000; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
827 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
828 /* Store the remainder as 9 decimal digits. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
829 for (count = 9; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
830 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
831 *d_ptr++ = '0' + (remainder % 10); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
832 remainder = remainder / 10; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
833 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
834 /* Normalize a. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
835 if (a_ptr[a_len - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
836 a_len--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
837 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
838 /* Remove leading zeroes. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
839 while (d_ptr > c_ptr && d_ptr[-1] == '0') |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
840 d_ptr--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
841 /* But keep at least one zero. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
842 if (d_ptr == c_ptr) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
843 *d_ptr++ = '0'; |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
844 /* Terminate the string. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
845 *d_ptr = '\0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
846 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
847 return c_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
848 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
849 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
850 # if NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
851 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
852 /* Assuming x is finite and >= 0: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
853 write x as x = 2^e * m, where m is a bignum. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
854 Return the allocated memory in case of success, NULL in case of memory |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
855 allocation failure. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
856 static void * |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
857 decode_long_double (long double x, int *ep, mpn_t *mp) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
858 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
859 mpn_t m; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
860 int exp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
861 long double y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
862 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
863 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
864 /* Allocate memory for result. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
865 m.nlimbs = (LDBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
866 m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
867 if (m.limbs == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
868 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
869 /* Split into exponential part and mantissa. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
870 y = frexpl (x, &exp); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
871 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
872 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
873 /* x = 2^exp * y = 2^(exp - LDBL_MANT_BIT) * (y * LDBL_MANT_BIT), and the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
874 latter is an integer. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
875 /* Convert the mantissa (y * LDBL_MANT_BIT) to a sequence of limbs. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
876 I'm not sure whether it's safe to cast a 'long double' value between |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
877 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
878 'long double' values between 0 and 2^16 (to 'unsigned int' or 'int', |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
879 doesn't matter). */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
880 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) != 0 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
881 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
882 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
883 mp_limb_t hi, lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
884 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % (GMP_LIMB_BITS / 2)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
885 hi = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
886 y -= hi; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
887 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
888 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
889 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
890 lo = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
891 y -= lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
892 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
893 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
894 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
895 } |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
896 # else |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
897 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
898 mp_limb_t d; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
899 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % GMP_LIMB_BITS); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
900 d = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
901 y -= d; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
902 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
903 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
904 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = d; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
905 } |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
906 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
907 # endif |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
908 for (i = LDBL_MANT_BIT / GMP_LIMB_BITS; i > 0; ) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
909 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
910 mp_limb_t hi, lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
911 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
912 hi = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
913 y -= hi; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
914 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
915 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
916 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
917 lo = (int) y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
918 y -= lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
919 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
920 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
921 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
922 } |
9489
940605ef6e9e
Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents:
9462
diff
changeset
|
923 #if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess |
940605ef6e9e
Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents:
9462
diff
changeset
|
924 precision. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
925 if (!(y == 0.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
926 abort (); |
9489
940605ef6e9e
Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents:
9462
diff
changeset
|
927 #endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
928 /* Normalise. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
929 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
930 m.nlimbs--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
931 *mp = m; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
932 *ep = exp - LDBL_MANT_BIT; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
933 return m.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
934 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
935 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
936 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
937 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
938 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
939 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
940 /* Assuming x is finite and >= 0: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
941 write x as x = 2^e * m, where m is a bignum. |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
942 Return the allocated memory in case of success, NULL in case of memory |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
943 allocation failure. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
944 static void * |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
945 decode_double (double x, int *ep, mpn_t *mp) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
946 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
947 mpn_t m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
948 int exp; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
949 double y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
950 size_t i; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
951 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
952 /* Allocate memory for result. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
953 m.nlimbs = (DBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
954 m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t)); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
955 if (m.limbs == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
956 return NULL; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
957 /* Split into exponential part and mantissa. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
958 y = frexp (x, &exp); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
959 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
960 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
961 /* x = 2^exp * y = 2^(exp - DBL_MANT_BIT) * (y * DBL_MANT_BIT), and the |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
962 latter is an integer. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
963 /* Convert the mantissa (y * DBL_MANT_BIT) to a sequence of limbs. |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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diff
changeset
|
964 I'm not sure whether it's safe to cast a 'double' value between |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
965 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
966 'double' values between 0 and 2^16 (to 'unsigned int' or 'int', |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
967 doesn't matter). */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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changeset
|
968 # if (DBL_MANT_BIT % GMP_LIMB_BITS) != 0 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
969 # if (DBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
970 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
971 mp_limb_t hi, lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
972 y *= (mp_limb_t) 1 << (DBL_MANT_BIT % (GMP_LIMB_BITS / 2)); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
973 hi = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
974 y -= hi; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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diff
changeset
|
975 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
976 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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changeset
|
977 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
978 lo = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
979 y -= lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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diff
changeset
|
980 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
981 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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changeset
|
982 m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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changeset
|
983 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
984 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
985 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
986 mp_limb_t d; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
987 y *= (mp_limb_t) 1 << (DBL_MANT_BIT % GMP_LIMB_BITS); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
988 d = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
989 y -= d; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
990 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
991 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
9439
diff
changeset
|
992 m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = d; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
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changeset
|
993 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
9439
diff
changeset
|
994 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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diff
changeset
|
995 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
9439
diff
changeset
|
996 for (i = DBL_MANT_BIT / GMP_LIMB_BITS; i > 0; ) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
997 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
998 mp_limb_t hi, lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
999 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1000 hi = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1001 y -= hi; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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diff
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|
1002 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1003 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1004 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1005 lo = (int) y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1006 y -= lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1007 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1008 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
9439
diff
changeset
|
1009 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1010 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
9439
diff
changeset
|
1011 if (!(y == 0.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1012 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1013 /* Normalise. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1014 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1015 m.nlimbs--; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1016 *mp = m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1017 *ep = exp - DBL_MANT_BIT; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1018 return m.limbs; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
9439
diff
changeset
|
1019 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1020 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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parents:
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diff
changeset
|
1021 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
|
1022 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1023 /* Assuming x = 2^e * m is finite and >= 0, and n is an integer: |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1024 Returns the decimal representation of round (x * 10^n). |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1025 Return the allocated memory - containing the decimal digits in low-to-high |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1026 order, terminated with a NUL character - in case of success, NULL in case |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1027 of memory allocation failure. */ |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1028 static char * |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1029 scale10_round_decimal_decoded (int e, mpn_t m, void *memory, int n) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1030 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1031 int s; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1032 size_t extra_zeroes; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1033 unsigned int abs_n; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1034 unsigned int abs_s; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1035 mp_limb_t *pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1036 size_t pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1037 unsigned int s_limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1038 unsigned int s_bits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1039 mpn_t pow5; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1040 mpn_t z; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1041 void *z_memory; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1042 char *digits; |
8832
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
1043 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1044 if (memory == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1045 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1046 /* x = 2^e * m, hence |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1047 y = round (2^e * 10^n * m) = round (2^(e+n) * 5^n * m) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1048 = round (2^s * 5^n * m). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1049 s = e + n; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1050 extra_zeroes = 0; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1051 /* Factor out a common power of 10 if possible. */ |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1052 if (s > 0 && n > 0) |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1053 { |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1054 extra_zeroes = (s < n ? s : n); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1055 s -= extra_zeroes; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1056 n -= extra_zeroes; |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1057 } |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1058 /* Here y = round (2^s * 5^n * m) * 10^extra_zeroes. |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1059 Before converting to decimal, we need to compute |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1060 z = round (2^s * 5^n * m). */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1061 /* Compute 5^|n|, possibly shifted by |s| bits if n and s have the same |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1062 sign. 2.322 is slightly larger than log(5)/log(2). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1063 abs_n = (n >= 0 ? n : -n); |
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1064 abs_s = (s >= 0 ? s : -s); |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1065 pow5_ptr = (mp_limb_t *) malloc (((int)(abs_n * (2.322f / GMP_LIMB_BITS)) + 1 |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1066 + abs_s / GMP_LIMB_BITS + 1) |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1067 * sizeof (mp_limb_t)); |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1068 if (pow5_ptr == NULL) |
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1069 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1070 free (memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1071 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1072 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1073 /* Initialize with 1. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1074 pow5_ptr[0] = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1075 pow5_len = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1076 /* Multiply with 5^|n|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1077 if (abs_n > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1078 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1079 static mp_limb_t const small_pow5[13 + 1] = |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1080 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1081 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625, |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1082 48828125, 244140625, 1220703125 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1083 }; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1084 unsigned int n13; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1085 for (n13 = 0; n13 <= abs_n; n13 += 13) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1086 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1087 mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1088 size_t j; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1089 mp_twolimb_t carry = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1090 for (j = 0; j < pow5_len; j++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1091 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1092 mp_limb_t digit2 = pow5_ptr[j]; |
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
1093 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1094 pow5_ptr[j] = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1095 carry = carry >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1096 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1097 if (carry > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1098 pow5_ptr[pow5_len++] = (mp_limb_t) carry; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1099 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1100 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1101 s_limbs = abs_s / GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1102 s_bits = abs_s % GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1103 if (n >= 0 ? s >= 0 : s <= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1104 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1105 /* Multiply with 2^|s|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1106 if (s_bits > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1107 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1108 mp_limb_t *ptr = pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1109 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1110 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1111 for (count = pow5_len; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1112 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1113 accu += (mp_twolimb_t) *ptr << s_bits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1114 *ptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1115 accu = accu >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1116 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1117 if (accu > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1118 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1119 *ptr = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1120 pow5_len++; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1121 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1122 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1123 if (s_limbs > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1124 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1125 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1126 for (count = pow5_len; count > 0;) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1127 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1128 count--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1129 pow5_ptr[s_limbs + count] = pow5_ptr[count]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1130 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1131 for (count = s_limbs; count > 0;) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1132 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1133 count--; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1134 pow5_ptr[count] = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1135 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1136 pow5_len += s_limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1137 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1138 pow5.limbs = pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1139 pow5.nlimbs = pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1140 if (n >= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1141 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1142 /* Multiply m with pow5. No division needed. */ |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1143 z_memory = multiply (m, pow5, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1144 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1145 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1146 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1147 /* Divide m by pow5 and round. */ |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1148 z_memory = divide (m, pow5, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1149 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1150 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1151 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1152 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1153 pow5.limbs = pow5_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1154 pow5.nlimbs = pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1155 if (n >= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1156 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1157 /* n >= 0, s < 0. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1158 Multiply m with pow5, then divide by 2^|s|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1159 mpn_t numerator; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1160 mpn_t denominator; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1161 void *tmp_memory; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1162 tmp_memory = multiply (m, pow5, &numerator); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1163 if (tmp_memory == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1164 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1165 free (pow5_ptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1166 free (memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1167 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1168 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1169 /* Construct 2^|s|. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1170 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1171 mp_limb_t *ptr = pow5_ptr + pow5_len; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1172 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1173 for (i = 0; i < s_limbs; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1174 ptr[i] = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1175 ptr[s_limbs] = (mp_limb_t) 1 << s_bits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1176 denominator.limbs = ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1177 denominator.nlimbs = s_limbs + 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1178 } |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1179 z_memory = divide (numerator, denominator, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1180 free (tmp_memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1181 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1182 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1183 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1184 /* n < 0, s > 0. |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1185 Multiply m with 2^s, then divide by pow5. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1186 mpn_t numerator; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1187 mp_limb_t *num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1188 num_ptr = (mp_limb_t *) malloc ((m.nlimbs + s_limbs + 1) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1189 * sizeof (mp_limb_t)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1190 if (num_ptr == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1191 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1192 free (pow5_ptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1193 free (memory); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1194 return NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1195 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1196 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1197 mp_limb_t *destptr = num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1198 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1199 size_t i; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1200 for (i = 0; i < s_limbs; i++) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1201 *destptr++ = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1202 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1203 if (s_bits > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1204 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1205 const mp_limb_t *sourceptr = m.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1206 mp_twolimb_t accu = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1207 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1208 for (count = m.nlimbs; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1209 { |
9445
e0f2eeb1796a
Fix output of floating-point values with large exponent.
Bruno Haible <bruno@clisp.org>
parents:
9442
diff
changeset
|
1210 accu += (mp_twolimb_t) *sourceptr++ << s_bits; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1211 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1212 accu = accu >> GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1213 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1214 if (accu > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1215 *destptr++ = (mp_limb_t) accu; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1216 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1217 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1218 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1219 const mp_limb_t *sourceptr = m.limbs; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1220 size_t count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1221 for (count = m.nlimbs; count > 0; count--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1222 *destptr++ = *sourceptr++; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1223 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1224 numerator.limbs = num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1225 numerator.nlimbs = destptr - num_ptr; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1226 } |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1227 z_memory = divide (numerator, pow5, &z); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1228 free (num_ptr); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1229 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1230 } |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1231 free (pow5_ptr); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1232 free (memory); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1233 |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1234 /* Here y = round (x * 10^n) = z * 10^extra_zeroes. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1235 |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1236 if (z_memory == NULL) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1237 return NULL; |
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1238 digits = convert_to_decimal (z, extra_zeroes); |
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1239 free (z_memory); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1240 return digits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1241 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1242 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1243 # if NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1244 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1245 /* Assuming x is finite and >= 0, and n is an integer: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1246 Returns the decimal representation of round (x * 10^n). |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1247 Return the allocated memory - containing the decimal digits in low-to-high |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1248 order, terminated with a NUL character - in case of success, NULL in case |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1249 of memory allocation failure. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1250 static char * |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1251 scale10_round_decimal_long_double (long double x, int n) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1252 { |
10100
369c11a9858d
avoid a warning from gcc
Jim Meyering <meyering@redhat.com>
parents:
10084
diff
changeset
|
1253 int e IF_LINT(= 0); |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1254 mpn_t m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1255 void *memory = decode_long_double (x, &e, &m); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1256 return scale10_round_decimal_decoded (e, m, memory, n); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1257 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1258 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1259 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1260 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1261 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1262 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1263 /* Assuming x is finite and >= 0, and n is an integer: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1264 Returns the decimal representation of round (x * 10^n). |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1265 Return the allocated memory - containing the decimal digits in low-to-high |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1266 order, terminated with a NUL character - in case of success, NULL in case |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1267 of memory allocation failure. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1268 static char * |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1269 scale10_round_decimal_double (double x, int n) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1270 { |
10101
daad35fae43c
avoid another warning from gcc
Jim Meyering <meyering@redhat.com>
parents:
10100
diff
changeset
|
1271 int e IF_LINT(= 0); |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1272 mpn_t m; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1273 void *memory = decode_double (x, &e, &m); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1274 return scale10_round_decimal_decoded (e, m, memory, n); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1275 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1276 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1277 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1278 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1279 # if NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1280 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1281 /* Assuming x is finite and > 0: |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1282 Return an approximation for n with 10^n <= x < 10^(n+1). |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1283 The approximation is usually the right n, but may be off by 1 sometimes. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1284 static int |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1285 floorlog10l (long double x) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1286 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1287 int exp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1288 long double y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1289 double z; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1290 double l; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1291 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1292 /* Split into exponential part and mantissa. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1293 y = frexpl (x, &exp); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1294 if (!(y >= 0.0L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1295 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1296 if (y == 0.0L) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1297 return INT_MIN; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1298 if (y < 0.5L) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1299 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1300 while (y < (1.0L / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2)))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1301 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1302 y *= 1.0L * (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2)); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1303 exp -= GMP_LIMB_BITS; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1304 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1305 if (y < (1.0L / (1 << 16))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1306 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1307 y *= 1.0L * (1 << 16); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1308 exp -= 16; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1309 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1310 if (y < (1.0L / (1 << 8))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1311 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1312 y *= 1.0L * (1 << 8); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1313 exp -= 8; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1314 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1315 if (y < (1.0L / (1 << 4))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1316 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1317 y *= 1.0L * (1 << 4); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1318 exp -= 4; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1319 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1320 if (y < (1.0L / (1 << 2))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1321 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1322 y *= 1.0L * (1 << 2); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1323 exp -= 2; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1324 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1325 if (y < (1.0L / (1 << 1))) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1326 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1327 y *= 1.0L * (1 << 1); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1328 exp -= 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1329 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1330 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1331 if (!(y >= 0.5L && y < 1.0L)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1332 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1333 /* Compute an approximation for l = log2(x) = exp + log2(y). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1334 l = exp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1335 z = y; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1336 if (z < 0.70710678118654752444) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1337 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1338 z *= 1.4142135623730950488; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1339 l -= 0.5; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1340 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1341 if (z < 0.8408964152537145431) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1342 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1343 z *= 1.1892071150027210667; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1344 l -= 0.25; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1345 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1346 if (z < 0.91700404320467123175) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1347 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1348 z *= 1.0905077326652576592; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1349 l -= 0.125; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1350 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1351 if (z < 0.9576032806985736469) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1352 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1353 z *= 1.0442737824274138403; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1354 l -= 0.0625; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1355 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1356 /* Now 0.95 <= z <= 1.01. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1357 z = 1 - z; |
9939
11aa2931dfc7
Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents:
9938
diff
changeset
|
1358 /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1359 Four terms are enough to get an approximation with error < 10^-7. */ |
9939
11aa2931dfc7
Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents:
9938
diff
changeset
|
1360 l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25))); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1361 /* Finally multiply with log(2)/log(10), yields an approximation for |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1362 log10(x). */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1363 l *= 0.30102999566398119523; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1364 /* Round down to the next integer. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1365 return (int) l + (l < 0 ? -1 : 0); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1366 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1367 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1368 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1369 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1370 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1371 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1372 /* Assuming x is finite and > 0: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1373 Return an approximation for n with 10^n <= x < 10^(n+1). |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1374 The approximation is usually the right n, but may be off by 1 sometimes. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1375 static int |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1376 floorlog10 (double x) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1377 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1378 int exp; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1379 double y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1380 double z; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1381 double l; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1382 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1383 /* Split into exponential part and mantissa. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1384 y = frexp (x, &exp); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1385 if (!(y >= 0.0 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1386 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1387 if (y == 0.0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1388 return INT_MIN; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1389 if (y < 0.5) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1390 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1391 while (y < (1.0 / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2)))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1392 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1393 y *= 1.0 * (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2)); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1394 exp -= GMP_LIMB_BITS; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1395 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1396 if (y < (1.0 / (1 << 16))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1397 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1398 y *= 1.0 * (1 << 16); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1399 exp -= 16; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1400 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1401 if (y < (1.0 / (1 << 8))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1402 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1403 y *= 1.0 * (1 << 8); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1404 exp -= 8; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1405 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1406 if (y < (1.0 / (1 << 4))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1407 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1408 y *= 1.0 * (1 << 4); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1409 exp -= 4; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1410 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1411 if (y < (1.0 / (1 << 2))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1412 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1413 y *= 1.0 * (1 << 2); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1414 exp -= 2; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1415 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1416 if (y < (1.0 / (1 << 1))) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1417 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1418 y *= 1.0 * (1 << 1); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1419 exp -= 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1420 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1421 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1422 if (!(y >= 0.5 && y < 1.0)) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1423 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1424 /* Compute an approximation for l = log2(x) = exp + log2(y). */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1425 l = exp; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1426 z = y; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1427 if (z < 0.70710678118654752444) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1428 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1429 z *= 1.4142135623730950488; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1430 l -= 0.5; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1431 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1432 if (z < 0.8408964152537145431) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1433 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1434 z *= 1.1892071150027210667; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1435 l -= 0.25; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1436 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1437 if (z < 0.91700404320467123175) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1438 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1439 z *= 1.0905077326652576592; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1440 l -= 0.125; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1441 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1442 if (z < 0.9576032806985736469) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1443 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1444 z *= 1.0442737824274138403; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1445 l -= 0.0625; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1446 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1447 /* Now 0.95 <= z <= 1.01. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1448 z = 1 - z; |
9939
11aa2931dfc7
Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents:
9938
diff
changeset
|
1449 /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...) |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1450 Four terms are enough to get an approximation with error < 10^-7. */ |
9939
11aa2931dfc7
Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents:
9938
diff
changeset
|
1451 l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25))); |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1452 /* Finally multiply with log(2)/log(10), yields an approximation for |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1453 log10(x). */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1454 l *= 0.30102999566398119523; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1455 /* Round down to the next integer. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1456 return (int) l + (l < 0 ? -1 : 0); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1457 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1458 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1459 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1460 |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1461 /* Tests whether a string of digits consists of exactly PRECISION zeroes and |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1462 a single '1' digit. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1463 static int |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1464 is_borderline (const char *digits, size_t precision) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1465 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1466 for (; precision > 0; precision--, digits++) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1467 if (*digits != '0') |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1468 return 0; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1469 if (*digits != '1') |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1470 return 0; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1471 digits++; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1472 return *digits == '\0'; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1473 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
1474 |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1475 #endif |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1476 |
8961 | 1477 DCHAR_T * |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1478 VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1479 const FCHAR_T *format, va_list args) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1480 { |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1481 DIRECTIVES d; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1482 arguments a; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1483 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1484 if (PRINTF_PARSE (format, &d, &a) < 0) |
9438
290aa46b4526
Fix out-of-memory handling of vasnprintf.
Bruno Haible <bruno@clisp.org>
parents:
9371
diff
changeset
|
1485 /* errno is already set. */ |
290aa46b4526
Fix out-of-memory handling of vasnprintf.
Bruno Haible <bruno@clisp.org>
parents:
9371
diff
changeset
|
1486 return NULL; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1487 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1488 #define CLEANUP() \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1489 free (d.dir); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1490 if (a.arg) \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1491 free (a.arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1492 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1493 if (PRINTF_FETCHARGS (args, &a) < 0) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1494 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1495 CLEANUP (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1496 errno = EINVAL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1497 return NULL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1498 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1499 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1500 { |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1501 size_t buf_neededlength; |
8961 | 1502 TCHAR_T *buf; |
1503 TCHAR_T *buf_malloced; | |
1504 const FCHAR_T *cp; | |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1505 size_t i; |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1506 DIRECTIVE *dp; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1507 /* Output string accumulator. */ |
8961 | 1508 DCHAR_T *result; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1509 size_t allocated; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1510 size_t length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1511 |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1512 /* Allocate a small buffer that will hold a directive passed to |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1513 sprintf or snprintf. */ |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1514 buf_neededlength = |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1515 xsum4 (7, d.max_width_length, d.max_precision_length, 6); |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1516 #if HAVE_ALLOCA |
8961 | 1517 if (buf_neededlength < 4000 / sizeof (TCHAR_T)) |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1518 { |
8961 | 1519 buf = (TCHAR_T *) alloca (buf_neededlength * sizeof (TCHAR_T)); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1520 buf_malloced = NULL; |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1521 } |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1522 else |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1523 #endif |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1524 { |
8961 | 1525 size_t buf_memsize = xtimes (buf_neededlength, sizeof (TCHAR_T)); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1526 if (size_overflow_p (buf_memsize)) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1527 goto out_of_memory_1; |
8961 | 1528 buf = (TCHAR_T *) malloc (buf_memsize); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1529 if (buf == NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1530 goto out_of_memory_1; |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1531 buf_malloced = buf; |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1532 } |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1533 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1534 if (resultbuf != NULL) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1535 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1536 result = resultbuf; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1537 allocated = *lengthp; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1538 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1539 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1540 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1541 result = NULL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1542 allocated = 0; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1543 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1544 length = 0; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1545 /* Invariants: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1546 result is either == resultbuf or == NULL or malloc-allocated. |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1547 If length > 0, then result != NULL. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1548 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1549 /* Ensures that allocated >= needed. Aborts through a jump to |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1550 out_of_memory if needed is SIZE_MAX or otherwise too big. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1551 #define ENSURE_ALLOCATION(needed) \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1552 if ((needed) > allocated) \ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1553 { \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1554 size_t memory_size; \ |
8961 | 1555 DCHAR_T *memory; \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1556 \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1557 allocated = (allocated > 0 ? xtimes (allocated, 2) : 12); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1558 if ((needed) > allocated) \ |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1559 allocated = (needed); \ |
8961 | 1560 memory_size = xtimes (allocated, sizeof (DCHAR_T)); \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1561 if (size_overflow_p (memory_size)) \ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1562 goto out_of_memory; \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1563 if (result == resultbuf || result == NULL) \ |
8961 | 1564 memory = (DCHAR_T *) malloc (memory_size); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1565 else \ |
8961 | 1566 memory = (DCHAR_T *) realloc (result, memory_size); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1567 if (memory == NULL) \ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1568 goto out_of_memory; \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1569 if (result == resultbuf && length > 0) \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1570 DCHAR_CPY (memory, result, length); \ |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1571 result = memory; \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1572 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1573 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1574 for (cp = format, i = 0, dp = &d.dir[0]; ; cp = dp->dir_end, i++, dp++) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1575 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1576 if (cp != dp->dir_start) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1577 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1578 size_t n = dp->dir_start - cp; |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1579 size_t augmented_length = xsum (length, n); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1580 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1581 ENSURE_ALLOCATION (augmented_length); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1582 /* This copies a piece of FCHAR_T[] into a DCHAR_T[]. Here we |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1583 need that the format string contains only ASCII characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1584 if FCHAR_T and DCHAR_T are not the same type. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1585 if (sizeof (FCHAR_T) == sizeof (DCHAR_T)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1586 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1587 DCHAR_CPY (result + length, (const DCHAR_T *) cp, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1588 length = augmented_length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1589 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1590 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1591 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1592 do |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1593 result[length++] = (unsigned char) *cp++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1594 while (--n > 0); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1595 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1596 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1597 if (i == d.count) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1598 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1599 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1600 /* Execute a single directive. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1601 if (dp->conversion == '%') |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1602 { |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1603 size_t augmented_length; |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1604 |
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
1605 if (!(dp->arg_index == ARG_NONE)) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1606 abort (); |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1607 augmented_length = xsum (length, 1); |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1608 ENSURE_ALLOCATION (augmented_length); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1609 result[length] = '%'; |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1610 length = augmented_length; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1611 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1612 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1613 { |
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
1614 if (!(dp->arg_index != ARG_NONE)) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1615 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1616 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1617 if (dp->conversion == 'n') |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1618 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1619 switch (a.arg[dp->arg_index].type) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1620 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1621 case TYPE_COUNT_SCHAR_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1622 *a.arg[dp->arg_index].a.a_count_schar_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1623 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1624 case TYPE_COUNT_SHORT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1625 *a.arg[dp->arg_index].a.a_count_short_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1626 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1627 case TYPE_COUNT_INT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1628 *a.arg[dp->arg_index].a.a_count_int_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1629 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1630 case TYPE_COUNT_LONGINT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1631 *a.arg[dp->arg_index].a.a_count_longint_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1632 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
1633 #if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1634 case TYPE_COUNT_LONGLONGINT_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1635 *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1636 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1637 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1638 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1639 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1640 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1641 } |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1642 #if ENABLE_UNISTDIO |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1643 /* The unistdio extensions. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1644 else if (dp->conversion == 'U') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1645 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1646 arg_type type = a.arg[dp->arg_index].type; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1647 int flags = dp->flags; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1648 int has_width; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1649 size_t width; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1650 int has_precision; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1651 size_t precision; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1652 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1653 has_width = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1654 width = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1655 if (dp->width_start != dp->width_end) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1656 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1657 if (dp->width_arg_index != ARG_NONE) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1658 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1659 int arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1660 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1661 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1662 abort (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1663 arg = a.arg[dp->width_arg_index].a.a_int; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1664 if (arg < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1665 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1666 /* "A negative field width is taken as a '-' flag |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1667 followed by a positive field width." */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1668 flags |= FLAG_LEFT; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1669 width = (unsigned int) (-arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1670 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1671 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1672 width = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1673 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1674 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1675 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1676 const FCHAR_T *digitp = dp->width_start; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1677 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1678 do |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1679 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1680 while (digitp != dp->width_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1681 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1682 has_width = 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1683 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1684 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1685 has_precision = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1686 precision = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1687 if (dp->precision_start != dp->precision_end) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1688 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1689 if (dp->precision_arg_index != ARG_NONE) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1690 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1691 int arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1692 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1693 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1694 abort (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1695 arg = a.arg[dp->precision_arg_index].a.a_int; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1696 /* "A negative precision is taken as if the precision |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1697 were omitted." */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1698 if (arg >= 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1699 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1700 precision = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1701 has_precision = 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1702 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1703 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1704 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1705 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1706 const FCHAR_T *digitp = dp->precision_start + 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1707 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1708 precision = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1709 while (digitp != dp->precision_end) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1710 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1711 has_precision = 1; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1712 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1713 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1714 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1715 switch (type) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1716 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1717 case TYPE_U8_STRING: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1718 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1719 const uint8_t *arg = a.arg[dp->arg_index].a.a_u8_string; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1720 const uint8_t *arg_end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1721 size_t characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1722 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1723 if (has_precision) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1724 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1725 /* Use only PRECISION characters, from the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1726 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1727 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1728 for (; precision > 0; precision--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1729 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1730 int count = u8_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1731 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1732 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1733 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1734 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1735 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1736 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1737 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1738 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1739 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1740 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1741 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1742 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1743 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1744 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1745 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1746 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1747 else if (has_width) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1748 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1749 /* Use the entire string, and count the number of |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1750 characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1751 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1752 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1753 for (;;) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1754 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1755 int count = u8_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1756 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1757 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1758 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1759 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1760 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1761 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1762 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1763 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1764 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1765 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1766 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1767 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1768 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1769 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1770 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1771 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1772 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1773 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1774 /* Use the entire string. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1775 arg_end = arg + u8_strlen (arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1776 /* The number of characters doesn't matter. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1777 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1778 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1779 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1780 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1781 && !(dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1782 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1783 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1784 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1785 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1786 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1787 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1788 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1789 # if DCHAR_IS_UINT8_T |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1790 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1791 size_t n = arg_end - arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1792 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1793 DCHAR_CPY (result + length, arg, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1794 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1795 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1796 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1797 { /* Convert. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1798 DCHAR_T *converted = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1799 size_t converted_len = allocated - length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1800 # if DCHAR_IS_TCHAR |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1801 /* Convert from UTF-8 to locale encoding. */ |
11509
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1802 converted = |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1803 u8_conv_to_encoding (locale_charset (), |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1804 iconveh_question_mark, |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1805 arg, arg_end - arg, NULL, |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1806 converted, &converted_len); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1807 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1808 /* Convert from UTF-8 to UTF-16/UTF-32. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1809 converted = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1810 U8_TO_DCHAR (arg, arg_end - arg, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1811 converted, &converted_len); |
11509
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1812 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1813 if (converted == NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1814 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1815 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1816 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1817 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1818 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1819 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1820 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1821 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1822 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1823 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1824 if (converted != result + length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1825 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1826 ENSURE_ALLOCATION (xsum (length, converted_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1827 DCHAR_CPY (result + length, converted, converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1828 free (converted); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1829 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1830 length += converted_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1831 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1832 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1833 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1834 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1835 && (dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1836 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1837 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1838 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1839 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1840 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1841 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1842 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1843 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1844 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1845 case TYPE_U16_STRING: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1846 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1847 const uint16_t *arg = a.arg[dp->arg_index].a.a_u16_string; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1848 const uint16_t *arg_end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1849 size_t characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1850 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1851 if (has_precision) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1852 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1853 /* Use only PRECISION characters, from the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1854 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1855 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1856 for (; precision > 0; precision--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1857 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1858 int count = u16_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1859 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1860 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1861 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1862 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1863 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1864 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1865 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1866 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1867 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1868 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1869 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1870 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1871 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1872 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1873 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1874 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1875 else if (has_width) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1876 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1877 /* Use the entire string, and count the number of |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1878 characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1879 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1880 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1881 for (;;) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1882 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1883 int count = u16_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1884 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1885 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1886 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1887 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1888 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1889 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1890 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1891 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1892 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1893 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1894 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1895 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1896 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1897 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1898 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1899 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1900 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1901 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1902 /* Use the entire string. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1903 arg_end = arg + u16_strlen (arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1904 /* The number of characters doesn't matter. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1905 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1906 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1907 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1908 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1909 && !(dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1910 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1911 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1912 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1913 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1914 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1915 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1916 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1917 # if DCHAR_IS_UINT16_T |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1918 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1919 size_t n = arg_end - arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1920 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1921 DCHAR_CPY (result + length, arg, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1922 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1923 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1924 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1925 { /* Convert. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1926 DCHAR_T *converted = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1927 size_t converted_len = allocated - length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1928 # if DCHAR_IS_TCHAR |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1929 /* Convert from UTF-16 to locale encoding. */ |
11509
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1930 converted = |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1931 u16_conv_to_encoding (locale_charset (), |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1932 iconveh_question_mark, |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1933 arg, arg_end - arg, NULL, |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1934 converted, &converted_len); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1935 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1936 /* Convert from UTF-16 to UTF-8/UTF-32. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1937 converted = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1938 U16_TO_DCHAR (arg, arg_end - arg, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1939 converted, &converted_len); |
11509
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
1940 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1941 if (converted == NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1942 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1943 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1944 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1945 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1946 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1947 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1948 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1949 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1950 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1951 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1952 if (converted != result + length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1953 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1954 ENSURE_ALLOCATION (xsum (length, converted_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1955 DCHAR_CPY (result + length, converted, converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1956 free (converted); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1957 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1958 length += converted_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1959 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1960 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1961 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1962 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1963 && (dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1964 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1965 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1966 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1967 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1968 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1969 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1970 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1971 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1972 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1973 case TYPE_U32_STRING: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1974 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1975 const uint32_t *arg = a.arg[dp->arg_index].a.a_u32_string; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1976 const uint32_t *arg_end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1977 size_t characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1978 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1979 if (has_precision) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1980 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1981 /* Use only PRECISION characters, from the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1982 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1983 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1984 for (; precision > 0; precision--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1985 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1986 int count = u32_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1987 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1988 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1989 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1990 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1991 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1992 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1993 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1994 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1995 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1996 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1997 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1998 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1999 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2000 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2001 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2002 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2003 else if (has_width) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2004 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2005 /* Use the entire string, and count the number of |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2006 characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2007 arg_end = arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2008 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2009 for (;;) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2010 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2011 int count = u32_strmblen (arg_end); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2012 if (count == 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2013 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2014 if (count < 0) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2015 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2016 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2017 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2018 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2019 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2020 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2021 errno = EILSEQ; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2022 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2023 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2024 arg_end += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2025 characters++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2026 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2027 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2028 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2029 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2030 /* Use the entire string. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2031 arg_end = arg + u32_strlen (arg); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2032 /* The number of characters doesn't matter. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2033 characters = 0; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2034 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2035 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2036 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2037 && !(dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2038 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2039 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2040 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2041 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2042 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2043 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2044 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2045 # if DCHAR_IS_UINT32_T |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2046 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2047 size_t n = arg_end - arg; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2048 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2049 DCHAR_CPY (result + length, arg, n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2050 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2051 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2052 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2053 { /* Convert. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2054 DCHAR_T *converted = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2055 size_t converted_len = allocated - length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2056 # if DCHAR_IS_TCHAR |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2057 /* Convert from UTF-32 to locale encoding. */ |
11509
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
2058 converted = |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
2059 u32_conv_to_encoding (locale_charset (), |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
2060 iconveh_question_mark, |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
2061 arg, arg_end - arg, NULL, |
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
2062 converted, &converted_len); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2063 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2064 /* Convert from UTF-32 to UTF-8/UTF-16. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2065 converted = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2066 U32_TO_DCHAR (arg, arg_end - arg, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2067 converted, &converted_len); |
11509
ef4e896a3b4f
Simplify calling convention of u*_conv_to_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11422
diff
changeset
|
2068 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2069 if (converted == NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2070 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2071 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2072 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2073 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2074 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2075 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2076 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2077 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2078 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2079 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2080 if (converted != result + length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2081 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2082 ENSURE_ALLOCATION (xsum (length, converted_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2083 DCHAR_CPY (result + length, converted, converted_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2084 free (converted); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2085 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2086 length += converted_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2087 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2088 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2089 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2090 if (has_width && width > characters |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2091 && (dp->flags & FLAG_LEFT)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2092 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2093 size_t n = width - characters; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2094 ENSURE_ALLOCATION (xsum (length, n)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2095 DCHAR_SET (result + length, ' ', n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2096 length += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2097 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2098 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2099 break; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2100 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2101 default: |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2102 abort (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2103 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2104 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2105 #endif |
11220
96097ce626ee
Oops, ignore NEED_PRINTF_DIRECTIVE_LS when IN_LIBINTL is defined.
Bruno Haible <bruno@clisp.org>
parents:
11219
diff
changeset
|
2106 #if (!USE_SNPRINTF || (NEED_PRINTF_DIRECTIVE_LS && !defined IN_LIBINTL)) && HAVE_WCHAR_T |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2107 else if (dp->conversion == 's' |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2108 # if WIDE_CHAR_VERSION |
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vasnprintf: Fix invalid read past end of memory block.
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changeset
|
2109 && a.arg[dp->arg_index].type != TYPE_WIDE_STRING |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2110 # else |
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2111 && a.arg[dp->arg_index].type == TYPE_WIDE_STRING |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2112 # endif |
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vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2113 ) |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2114 { |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2115 /* The normal handling of the 's' directive below requires |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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10462
diff
changeset
|
2116 allocating a temporary buffer. The determination of its |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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10462
diff
changeset
|
2117 length (tmp_length), in the case when a precision is |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2118 specified, below requires a conversion between a char[] |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2119 string and a wchar_t[] wide string. It could be done, but |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2120 we have no guarantee that the implementation of sprintf will |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2121 use the exactly same algorithm. Without this guarantee, it |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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10462
diff
changeset
|
2122 is possible to have buffer overrun bugs. In order to avoid |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2123 such bugs, we implement the entire processing of the 's' |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2124 directive ourselves. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2125 int flags = dp->flags; |
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vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2126 int has_width; |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2127 size_t width; |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2128 int has_precision; |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2129 size_t precision; |
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parents:
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diff
changeset
|
2130 |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2131 has_width = 0; |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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changeset
|
2132 width = 0; |
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vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2133 if (dp->width_start != dp->width_end) |
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vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2134 { |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2135 if (dp->width_arg_index != ARG_NONE) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2136 { |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2137 int arg; |
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vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2138 |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2139 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2140 abort (); |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2141 arg = a.arg[dp->width_arg_index].a.a_int; |
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vasnprintf: Fix invalid read past end of memory block.
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parents:
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diff
changeset
|
2142 if (arg < 0) |
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vasnprintf: Fix invalid read past end of memory block.
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parents:
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diff
changeset
|
2143 { |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2144 /* "A negative field width is taken as a '-' flag |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2145 followed by a positive field width." */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2146 flags |= FLAG_LEFT; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2147 width = (unsigned int) (-arg); |
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vasnprintf: Fix invalid read past end of memory block.
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parents:
10462
diff
changeset
|
2148 } |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2149 else |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2150 width = arg; |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2151 } |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2152 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2153 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2154 const FCHAR_T *digitp = dp->width_start; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2155 |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2156 do |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2157 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2158 while (digitp != dp->width_end); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2159 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2160 has_width = 1; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2161 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2162 |
4daf474e9033
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Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2163 has_precision = 0; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2164 precision = 6; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2165 if (dp->precision_start != dp->precision_end) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2166 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2167 if (dp->precision_arg_index != ARG_NONE) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2168 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2169 int arg; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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parents:
10462
diff
changeset
|
2170 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2171 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2172 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2173 arg = a.arg[dp->precision_arg_index].a.a_int; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2174 /* "A negative precision is taken as if the precision |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2175 were omitted." */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2176 if (arg >= 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2177 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2178 precision = arg; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2179 has_precision = 1; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2180 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2181 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2182 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2183 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2184 const FCHAR_T *digitp = dp->precision_start + 1; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2185 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2186 precision = 0; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2187 while (digitp != dp->precision_end) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2188 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2189 has_precision = 1; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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parents:
10462
diff
changeset
|
2190 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2191 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2192 |
4daf474e9033
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Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2193 # if WIDE_CHAR_VERSION |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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parents:
10462
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changeset
|
2194 /* %s in vasnwprintf. See the specification of fwprintf. */ |
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vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
2195 { |
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Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2196 const char *arg = a.arg[dp->arg_index].a.a_string; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2197 const char *arg_end; |
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10462
diff
changeset
|
2198 size_t characters; |
4daf474e9033
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Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2199 |
4daf474e9033
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Bruno Haible <bruno@clisp.org>
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10462
diff
changeset
|
2200 if (has_precision) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2201 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2202 /* Use only as many bytes as needed to produce PRECISION |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2203 wide characters, from the left. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2204 # if HAVE_MBRTOWC |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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parents:
10462
diff
changeset
|
2205 mbstate_t state; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2206 memset (&state, '\0', sizeof (mbstate_t)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2207 # endif |
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
2208 arg_end = arg; |
4daf474e9033
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Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2209 characters = 0; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2210 for (; precision > 0; precision--) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2211 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2212 int count; |
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|
2213 # if HAVE_MBRTOWC |
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|
2214 count = mbrlen (arg_end, MB_CUR_MAX, &state); |
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|
2215 # else |
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|
2216 count = mblen (arg_end, MB_CUR_MAX); |
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|
2217 # endif |
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|
2218 if (count == 0) |
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|
2219 /* Found the terminating NUL. */ |
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|
2220 break; |
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|
2221 if (count < 0) |
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|
2222 { |
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|
2223 /* Invalid or incomplete multibyte character. */ |
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|
2224 if (!(result == resultbuf || result == NULL)) |
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|
2225 free (result); |
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|
2226 if (buf_malloced != NULL) |
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|
2227 free (buf_malloced); |
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|
2228 CLEANUP (); |
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|
2229 errno = EILSEQ; |
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|
2230 return NULL; |
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|
2231 } |
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|
2232 arg_end += count; |
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|
2233 characters++; |
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|
2234 } |
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|
2235 } |
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|
2236 else if (has_width) |
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|
2237 { |
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|
2238 /* Use the entire string, and count the number of wide |
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|
2239 characters. */ |
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|
2240 # if HAVE_MBRTOWC |
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|
2241 mbstate_t state; |
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|
2242 memset (&state, '\0', sizeof (mbstate_t)); |
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|
2243 # endif |
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|
2244 arg_end = arg; |
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|
2245 characters = 0; |
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|
2246 for (;;) |
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|
2247 { |
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|
2248 int count; |
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|
2249 # if HAVE_MBRTOWC |
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|
2250 count = mbrlen (arg_end, MB_CUR_MAX, &state); |
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|
2251 # else |
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|
2252 count = mblen (arg_end, MB_CUR_MAX); |
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|
2253 # endif |
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|
2254 if (count == 0) |
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|
2255 /* Found the terminating NUL. */ |
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|
2256 break; |
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|
2257 if (count < 0) |
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|
2258 { |
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|
2259 /* Invalid or incomplete multibyte character. */ |
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|
2260 if (!(result == resultbuf || result == NULL)) |
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|
2261 free (result); |
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|
2262 if (buf_malloced != NULL) |
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|
2263 free (buf_malloced); |
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|
2264 CLEANUP (); |
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|
2265 errno = EILSEQ; |
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|
2266 return NULL; |
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|
2267 } |
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|
2268 arg_end += count; |
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|
2269 characters++; |
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|
2270 } |
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|
2271 } |
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|
2272 else |
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|
2273 { |
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|
2274 /* Use the entire string. */ |
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|
2275 arg_end = arg + strlen (arg); |
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|
2276 /* The number of characters doesn't matter. */ |
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|
2277 characters = 0; |
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|
2278 } |
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|
2279 |
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|
2280 if (has_width && width > characters |
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|
2281 && !(dp->flags & FLAG_LEFT)) |
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|
2282 { |
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|
2283 size_t n = width - characters; |
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|
2284 ENSURE_ALLOCATION (xsum (length, n)); |
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|
2285 DCHAR_SET (result + length, ' ', n); |
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|
2286 length += n; |
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|
2287 } |
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|
2288 |
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|
2289 if (has_precision || has_width) |
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|
2290 { |
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|
2291 /* We know the number of wide characters in advance. */ |
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|
2292 size_t remaining; |
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|
2293 # if HAVE_MBRTOWC |
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|
2294 mbstate_t state; |
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|
2295 memset (&state, '\0', sizeof (mbstate_t)); |
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|
2296 # endif |
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|
2297 ENSURE_ALLOCATION (xsum (length, characters)); |
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2298 for (remaining = characters; remaining > 0; remaining--) |
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|
2299 { |
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|
2300 wchar_t wc; |
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|
2301 int count; |
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|
2302 # if HAVE_MBRTOWC |
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2303 count = mbrtowc (&wc, arg, arg_end - arg, &state); |
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|
2304 # else |
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|
2305 count = mbtowc (&wc, arg, arg_end - arg); |
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|
2306 # endif |
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|
2307 if (count <= 0) |
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|
2308 /* mbrtowc not consistent with mbrlen, or mbtowc |
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|
2309 not consistent with mblen. */ |
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|
2310 abort (); |
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|
2311 result[length++] = wc; |
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|
2312 arg += count; |
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|
2313 } |
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|
2314 if (!(arg == arg_end)) |
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|
2315 abort (); |
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|
2316 } |
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|
2317 else |
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|
2318 { |
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|
2319 # if HAVE_MBRTOWC |
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|
2320 mbstate_t state; |
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|
2321 memset (&state, '\0', sizeof (mbstate_t)); |
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|
2322 # endif |
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|
2323 while (arg < arg_end) |
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|
2324 { |
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|
2325 wchar_t wc; |
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|
2326 int count; |
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|
2327 # if HAVE_MBRTOWC |
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2328 count = mbrtowc (&wc, arg, arg_end - arg, &state); |
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|
2329 # else |
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|
2330 count = mbtowc (&wc, arg, arg_end - arg); |
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|
2331 # endif |
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|
2332 if (count <= 0) |
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diff
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|
2333 /* mbrtowc not consistent with mbrlen, or mbtowc |
4daf474e9033
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diff
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|
2334 not consistent with mblen. */ |
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|
2335 abort (); |
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|
2336 ENSURE_ALLOCATION (xsum (length, 1)); |
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|
2337 result[length++] = wc; |
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|
2338 arg += count; |
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|
2339 } |
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|
2340 } |
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|
2341 |
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|
2342 if (has_width && width > characters |
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|
2343 && (dp->flags & FLAG_LEFT)) |
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|
2344 { |
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|
2345 size_t n = width - characters; |
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|
2346 ENSURE_ALLOCATION (xsum (length, n)); |
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|
2347 DCHAR_SET (result + length, ' ', n); |
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|
2348 length += n; |
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|
2349 } |
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|
2350 } |
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|
2351 # else |
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|
2352 /* %ls in vasnprintf. See the specification of fprintf. */ |
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|
2353 { |
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Bruno Haible <bruno@clisp.org>
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|
2354 const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string; |
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|
2355 const wchar_t *arg_end; |
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|
2356 size_t characters; |
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|
2357 # if !DCHAR_IS_TCHAR |
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|
2358 /* This code assumes that TCHAR_T is 'char'. */ |
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|
2359 typedef int TCHAR_T_verify[2 * (sizeof (TCHAR_T) == 1) - 1]; |
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|
2360 TCHAR_T *tmpsrc; |
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|
2361 DCHAR_T *tmpdst; |
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|
2362 size_t tmpdst_len; |
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|
2363 # endif |
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|
2364 size_t w; |
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|
2365 |
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|
2366 if (has_precision) |
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|
2367 { |
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changeset
|
2368 /* Use only as many wide characters as needed to produce |
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|
2369 at most PRECISION bytes, from the left. */ |
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|
2370 # if HAVE_WCRTOMB |
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|
2371 mbstate_t state; |
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|
2372 memset (&state, '\0', sizeof (mbstate_t)); |
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|
2373 # endif |
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|
2374 arg_end = arg; |
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|
2375 characters = 0; |
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|
2376 while (precision > 0) |
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|
2377 { |
12306
5e0e6e795550
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Eric Blake <ebb9@byu.net>
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changeset
|
2378 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */ |
11207
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|
2379 int count; |
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|
2380 |
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|
2381 if (*arg_end == 0) |
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|
2382 /* Found the terminating null wide character. */ |
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|
2383 break; |
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|
2384 # if HAVE_WCRTOMB |
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|
2385 count = wcrtomb (cbuf, *arg_end, &state); |
11207
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|
2386 # else |
12306
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|
2387 count = wctomb (cbuf, *arg_end); |
11207
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|
2388 # endif |
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|
2389 if (count < 0) |
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|
2390 { |
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|
2391 /* Cannot convert. */ |
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|
2392 if (!(result == resultbuf || result == NULL)) |
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|
2393 free (result); |
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|
2394 if (buf_malloced != NULL) |
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|
2395 free (buf_malloced); |
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|
2396 CLEANUP (); |
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|
2397 errno = EILSEQ; |
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|
2398 return NULL; |
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|
2399 } |
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|
2400 if (precision < count) |
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|
2401 break; |
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|
2402 arg_end++; |
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|
2403 characters += count; |
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|
2404 precision -= count; |
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|
2405 } |
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|
2406 } |
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|
2407 # if DCHAR_IS_TCHAR |
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|
2408 else if (has_width) |
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|
2409 # else |
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|
2410 else |
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|
2411 # endif |
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|
2412 { |
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changeset
|
2413 /* Use the entire string, and count the number of |
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changeset
|
2414 bytes. */ |
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changeset
|
2415 # if HAVE_WCRTOMB |
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|
2416 mbstate_t state; |
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|
2417 memset (&state, '\0', sizeof (mbstate_t)); |
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|
2418 # endif |
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|
2419 arg_end = arg; |
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|
2420 characters = 0; |
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|
2421 for (;;) |
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|
2422 { |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
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diff
changeset
|
2423 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */ |
11207
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|
2424 int count; |
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|
2425 |
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changeset
|
2426 if (*arg_end == 0) |
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|
2427 /* Found the terminating null wide character. */ |
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|
2428 break; |
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|
2429 # if HAVE_WCRTOMB |
12306
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|
2430 count = wcrtomb (cbuf, *arg_end, &state); |
11207
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diff
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|
2431 # else |
12306
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changeset
|
2432 count = wctomb (cbuf, *arg_end); |
11207
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|
2433 # endif |
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|
2434 if (count < 0) |
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|
2435 { |
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|
2436 /* Cannot convert. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
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diff
changeset
|
2437 if (!(result == resultbuf || result == NULL)) |
4daf474e9033
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changeset
|
2438 free (result); |
4daf474e9033
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changeset
|
2439 if (buf_malloced != NULL) |
4daf474e9033
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|
2440 free (buf_malloced); |
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vasnprintf: Fix invalid read past end of memory block.
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changeset
|
2441 CLEANUP (); |
4daf474e9033
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|
2442 errno = EILSEQ; |
4daf474e9033
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|
2443 return NULL; |
4daf474e9033
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changeset
|
2444 } |
4daf474e9033
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changeset
|
2445 arg_end++; |
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changeset
|
2446 characters += count; |
4daf474e9033
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changeset
|
2447 } |
4daf474e9033
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Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2448 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2449 # if DCHAR_IS_TCHAR |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2450 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2451 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2452 /* Use the entire string. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2453 arg_end = arg + local_wcslen (arg); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2454 /* The number of bytes doesn't matter. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2455 characters = 0; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2456 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2457 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2458 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2459 # if !DCHAR_IS_TCHAR |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2460 /* Convert the string into a piece of temporary memory. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2461 tmpsrc = (TCHAR_T *) malloc (characters * sizeof (TCHAR_T)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2462 if (tmpsrc == NULL) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2463 goto out_of_memory; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2464 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2465 TCHAR_T *tmpptr = tmpsrc; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2466 size_t remaining; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2467 # if HAVE_WCRTOMB |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2468 mbstate_t state; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2469 memset (&state, '\0', sizeof (mbstate_t)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2470 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2471 for (remaining = characters; remaining > 0; ) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2472 { |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2473 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */ |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2474 int count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2475 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2476 if (*arg == 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2477 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2478 # if HAVE_WCRTOMB |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2479 count = wcrtomb (cbuf, *arg, &state); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2480 # else |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2481 count = wctomb (cbuf, *arg); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2482 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2483 if (count <= 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2484 /* Inconsistency. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2485 abort (); |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2486 memcpy (tmpptr, cbuf, count); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2487 tmpptr += count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2488 arg++; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2489 remaining -= count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2490 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2491 if (!(arg == arg_end)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2492 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2493 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2494 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2495 /* Convert from TCHAR_T[] to DCHAR_T[]. */ |
11511
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2496 tmpdst = |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2497 DCHAR_CONV_FROM_ENCODING (locale_charset (), |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2498 iconveh_question_mark, |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2499 tmpsrc, characters, |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2500 NULL, |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2501 NULL, &tmpdst_len); |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
2502 if (tmpdst == NULL) |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2503 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2504 int saved_errno = errno; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2505 free (tmpsrc); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2506 if (!(result == resultbuf || result == NULL)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2507 free (result); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2508 if (buf_malloced != NULL) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2509 free (buf_malloced); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2510 CLEANUP (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2511 errno = saved_errno; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2512 return NULL; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2513 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2514 free (tmpsrc); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2515 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2516 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2517 if (has_width) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2518 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2519 # if ENABLE_UNISTDIO |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2520 /* Outside POSIX, it's preferrable to compare the width |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2521 against the number of _characters_ of the converted |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2522 value. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2523 w = DCHAR_MBSNLEN (result + length, characters); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2524 # else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2525 /* The width is compared against the number of _bytes_ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2526 of the converted value, says POSIX. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2527 w = characters; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2528 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2529 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2530 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2531 /* w doesn't matter. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2532 w = 0; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2533 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2534 if (has_width && width > w |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2535 && !(dp->flags & FLAG_LEFT)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2536 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2537 size_t n = width - w; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2538 ENSURE_ALLOCATION (xsum (length, n)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2539 DCHAR_SET (result + length, ' ', n); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2540 length += n; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2541 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2542 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2543 # if DCHAR_IS_TCHAR |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2544 if (has_precision || has_width) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2545 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2546 /* We know the number of bytes in advance. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2547 size_t remaining; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2548 # if HAVE_WCRTOMB |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2549 mbstate_t state; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2550 memset (&state, '\0', sizeof (mbstate_t)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2551 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2552 ENSURE_ALLOCATION (xsum (length, characters)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2553 for (remaining = characters; remaining > 0; ) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2554 { |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2555 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */ |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2556 int count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2557 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2558 if (*arg == 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2559 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2560 # if HAVE_WCRTOMB |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2561 count = wcrtomb (cbuf, *arg, &state); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2562 # else |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2563 count = wctomb (cbuf, *arg); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2564 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2565 if (count <= 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2566 /* Inconsistency. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2567 abort (); |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2568 memcpy (result + length, cbuf, count); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2569 length += count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2570 arg++; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2571 remaining -= count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2572 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2573 if (!(arg == arg_end)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2574 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2575 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2576 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2577 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2578 # if HAVE_WCRTOMB |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2579 mbstate_t state; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2580 memset (&state, '\0', sizeof (mbstate_t)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2581 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2582 while (arg < arg_end) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2583 { |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2584 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */ |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2585 int count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2586 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2587 if (*arg == 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2588 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2589 # if HAVE_WCRTOMB |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2590 count = wcrtomb (cbuf, *arg, &state); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2591 # else |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2592 count = wctomb (cbuf, *arg); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2593 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2594 if (count <= 0) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2595 /* Inconsistency. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2596 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2597 ENSURE_ALLOCATION (xsum (length, count)); |
12306
5e0e6e795550
vasnprintf: avoid compiler warnings
Eric Blake <ebb9@byu.net>
parents:
11856
diff
changeset
|
2598 memcpy (result + length, cbuf, count); |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2599 length += count; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2600 arg++; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2601 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2602 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2603 # else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2604 ENSURE_ALLOCATION (xsum (length, tmpdst_len)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2605 DCHAR_CPY (result + length, tmpdst, tmpdst_len); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2606 free (tmpdst); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2607 length += tmpdst_len; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2608 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2609 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2610 if (has_width && width > w |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2611 && (dp->flags & FLAG_LEFT)) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2612 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2613 size_t n = width - w; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2614 ENSURE_ALLOCATION (xsum (length, n)); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2615 DCHAR_SET (result + length, ' ', n); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2616 length += n; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2617 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2618 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2619 } |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2620 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
2621 #endif |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2622 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2623 else if ((dp->conversion == 'a' || dp->conversion == 'A') |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2624 # if !(NEED_PRINTF_DIRECTIVE_A || (NEED_PRINTF_LONG_DOUBLE && NEED_PRINTF_DOUBLE)) |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2625 && (0 |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2626 # if NEED_PRINTF_DOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2627 || a.arg[dp->arg_index].type == TYPE_DOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2628 # endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2629 # if NEED_PRINTF_LONG_DOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2630 || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2631 # endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2632 ) |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2633 # endif |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2634 ) |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2635 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2636 arg_type type = a.arg[dp->arg_index].type; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2637 int flags = dp->flags; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2638 int has_width; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2639 size_t width; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2640 int has_precision; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2641 size_t precision; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2642 size_t tmp_length; |
8961 | 2643 DCHAR_T tmpbuf[700]; |
2644 DCHAR_T *tmp; | |
2645 DCHAR_T *pad_ptr; | |
2646 DCHAR_T *p; | |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2647 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2648 has_width = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2649 width = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2650 if (dp->width_start != dp->width_end) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2651 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2652 if (dp->width_arg_index != ARG_NONE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2653 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2654 int arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2655 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2656 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2657 abort (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2658 arg = a.arg[dp->width_arg_index].a.a_int; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2659 if (arg < 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2660 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2661 /* "A negative field width is taken as a '-' flag |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2662 followed by a positive field width." */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2663 flags |= FLAG_LEFT; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2664 width = (unsigned int) (-arg); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2665 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2666 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2667 width = arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2668 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2669 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2670 { |
8961 | 2671 const FCHAR_T *digitp = dp->width_start; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2672 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2673 do |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2674 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2675 while (digitp != dp->width_end); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2676 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2677 has_width = 1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2678 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2679 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2680 has_precision = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2681 precision = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2682 if (dp->precision_start != dp->precision_end) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2683 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2684 if (dp->precision_arg_index != ARG_NONE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2685 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2686 int arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2687 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2688 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2689 abort (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2690 arg = a.arg[dp->precision_arg_index].a.a_int; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2691 /* "A negative precision is taken as if the precision |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2692 were omitted." */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2693 if (arg >= 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2694 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2695 precision = arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2696 has_precision = 1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2697 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2698 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2699 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2700 { |
8961 | 2701 const FCHAR_T *digitp = dp->precision_start + 1; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2702 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2703 precision = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2704 while (digitp != dp->precision_end) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2705 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2706 has_precision = 1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2707 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2708 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2709 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2710 /* Allocate a temporary buffer of sufficient size. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2711 if (type == TYPE_LONGDOUBLE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2712 tmp_length = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2713 (unsigned int) ((LDBL_DIG + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2714 * 0.831 /* decimal -> hexadecimal */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2715 ) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2716 + 1; /* turn floor into ceil */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2717 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2718 tmp_length = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2719 (unsigned int) ((DBL_DIG + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2720 * 0.831 /* decimal -> hexadecimal */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2721 ) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2722 + 1; /* turn floor into ceil */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2723 if (tmp_length < precision) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2724 tmp_length = precision; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2725 /* Account for sign, decimal point etc. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2726 tmp_length = xsum (tmp_length, 12); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2727 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2728 if (tmp_length < width) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2729 tmp_length = width; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2730 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2731 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2732 |
8961 | 2733 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T)) |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2734 tmp = tmpbuf; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2735 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2736 { |
8961 | 2737 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T)); |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2738 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2739 if (size_overflow_p (tmp_memsize)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2740 /* Overflow, would lead to out of memory. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2741 goto out_of_memory; |
8961 | 2742 tmp = (DCHAR_T *) malloc (tmp_memsize); |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2743 if (tmp == NULL) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2744 /* Out of memory. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2745 goto out_of_memory; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2746 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2747 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2748 pad_ptr = NULL; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2749 p = tmp; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2750 if (type == TYPE_LONGDOUBLE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2751 { |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2752 # if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2753 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2754 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2755 if (isnanl (arg)) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2756 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2757 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2758 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2759 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2760 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2761 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2762 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2763 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2764 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2765 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2766 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2767 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2768 int sign = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2769 DECL_LONG_DOUBLE_ROUNDING |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2770 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2771 BEGIN_LONG_DOUBLE_ROUNDING (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2772 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2773 if (signbit (arg)) /* arg < 0.0L or negative zero */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2774 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2775 sign = -1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2776 arg = -arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2777 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2778 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2779 if (sign < 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2780 *p++ = '-'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2781 else if (flags & FLAG_SHOWSIGN) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2782 *p++ = '+'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2783 else if (flags & FLAG_SPACE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2784 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2785 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2786 if (arg > 0.0L && arg + arg == arg) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2787 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2788 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2789 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2790 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2791 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2792 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2793 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2794 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2795 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2796 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2797 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2798 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2799 int exponent; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2800 long double mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2801 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2802 if (arg > 0.0L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2803 mantissa = printf_frexpl (arg, &exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2804 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2805 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2806 exponent = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2807 mantissa = 0.0L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2808 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2809 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2810 if (has_precision |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2811 && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2812 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2813 /* Round the mantissa. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2814 long double tail = mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2815 size_t q; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2816 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2817 for (q = precision; ; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2818 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2819 int digit = (int) tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2820 tail -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2821 if (q == 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2822 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2823 if (digit & 1 ? tail >= 0.5L : tail > 0.5L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2824 tail = 1 - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2825 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2826 tail = - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2827 break; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2828 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2829 tail *= 16.0L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2830 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2831 if (tail != 0.0L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2832 for (q = precision; q > 0; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2833 tail *= 0.0625L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2834 mantissa += tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2835 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2836 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2837 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2838 *p++ = dp->conversion - 'A' + 'X'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2839 pad_ptr = p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2840 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2841 int digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2842 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2843 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2844 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2845 *p++ = '0' + digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2846 if ((flags & FLAG_ALT) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2847 || mantissa > 0.0L || precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2848 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2849 *p++ = decimal_point_char (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2850 /* This loop terminates because we assume |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2851 that FLT_RADIX is a power of 2. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2852 while (mantissa > 0.0L) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2853 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2854 mantissa *= 16.0L; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2855 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2856 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2857 *p++ = digit |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2858 + (digit < 10 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2859 ? '0' |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2860 : dp->conversion - 10); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2861 if (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2862 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2863 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2864 while (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2865 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2866 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2867 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2868 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2869 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2870 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2871 *p++ = dp->conversion - 'A' + 'P'; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2872 # if WIDE_CHAR_VERSION |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2873 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2874 static const wchar_t decimal_format[] = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2875 { '%', '+', 'd', '\0' }; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2876 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2877 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2878 while (*p != '\0') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2879 p++; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2880 # else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2881 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2882 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2883 sprintf ((char *) p, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2884 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2885 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2886 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2887 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2888 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2889 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2890 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2891 sprintf (expbuf, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2892 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2893 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2894 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2895 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2896 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2897 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2898 END_LONG_DOUBLE_ROUNDING (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2899 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2900 # else |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2901 abort (); |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2902 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2903 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2904 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2905 { |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
2906 # if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2907 double arg = a.arg[dp->arg_index].a.a_double; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2908 |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
2909 if (isnand (arg)) |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2910 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2911 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2912 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2913 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2914 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2915 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2916 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2917 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2918 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2919 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2920 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2921 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2922 int sign = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2923 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2924 if (signbit (arg)) /* arg < 0.0 or negative zero */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2925 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2926 sign = -1; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2927 arg = -arg; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2928 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2929 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2930 if (sign < 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2931 *p++ = '-'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2932 else if (flags & FLAG_SHOWSIGN) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2933 *p++ = '+'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2934 else if (flags & FLAG_SPACE) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2935 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2936 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2937 if (arg > 0.0 && arg + arg == arg) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2938 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2939 if (dp->conversion == 'A') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2940 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2941 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2942 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2943 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2944 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2945 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2946 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2947 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2948 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2949 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2950 int exponent; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2951 double mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2952 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2953 if (arg > 0.0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2954 mantissa = printf_frexp (arg, &exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2955 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2956 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2957 exponent = 0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2958 mantissa = 0.0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2959 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2960 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2961 if (has_precision |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2962 && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2963 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2964 /* Round the mantissa. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2965 double tail = mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2966 size_t q; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2967 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2968 for (q = precision; ; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2969 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2970 int digit = (int) tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2971 tail -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2972 if (q == 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2973 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2974 if (digit & 1 ? tail >= 0.5 : tail > 0.5) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2975 tail = 1 - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2976 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2977 tail = - tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2978 break; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2979 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2980 tail *= 16.0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2981 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2982 if (tail != 0.0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2983 for (q = precision; q > 0; q--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2984 tail *= 0.0625; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2985 mantissa += tail; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2986 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2987 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2988 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2989 *p++ = dp->conversion - 'A' + 'X'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2990 pad_ptr = p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2991 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2992 int digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2993 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2994 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2995 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2996 *p++ = '0' + digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2997 if ((flags & FLAG_ALT) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2998 || mantissa > 0.0 || precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2999 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3000 *p++ = decimal_point_char (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3001 /* This loop terminates because we assume |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3002 that FLT_RADIX is a power of 2. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3003 while (mantissa > 0.0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3004 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3005 mantissa *= 16.0; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3006 digit = (int) mantissa; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3007 mantissa -= digit; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3008 *p++ = digit |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3009 + (digit < 10 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3010 ? '0' |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3011 : dp->conversion - 10); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3012 if (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3013 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3014 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3015 while (precision > 0) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3016 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3017 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3018 precision--; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3019 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3020 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3021 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3022 *p++ = dp->conversion - 'A' + 'P'; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
3023 # if WIDE_CHAR_VERSION |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3024 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3025 static const wchar_t decimal_format[] = |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3026 { '%', '+', 'd', '\0' }; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3027 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3028 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3029 while (*p != '\0') |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3030 p++; |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
3031 # else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3032 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3033 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3034 sprintf ((char *) p, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3035 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3036 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3037 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3038 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3039 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3040 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3041 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3042 sprintf (expbuf, "%+d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3043 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3044 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3045 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
3046 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3047 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3048 } |
9454
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
3049 # else |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
3050 abort (); |
265fad13afeb
Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents:
9450
diff
changeset
|
3051 # endif |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3052 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3053 /* The generated string now extends from tmp to p, with the |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3054 zero padding insertion point being at pad_ptr. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3055 if (has_width && p - tmp < width) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3056 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3057 size_t pad = width - (p - tmp); |
8961 | 3058 DCHAR_T *end = p + pad; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3059 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3060 if (flags & FLAG_LEFT) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3061 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3062 /* Pad with spaces on the right. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3063 for (; pad > 0; pad--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3064 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3065 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3066 else if ((flags & FLAG_ZERO) && pad_ptr != NULL) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3067 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3068 /* Pad with zeroes. */ |
8961 | 3069 DCHAR_T *q = end; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3070 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3071 while (p > pad_ptr) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3072 *--q = *--p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3073 for (; pad > 0; pad--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3074 *p++ = '0'; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3075 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3076 else |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3077 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3078 /* Pad with spaces on the left. */ |
8961 | 3079 DCHAR_T *q = end; |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3080 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3081 while (p > tmp) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3082 *--q = *--p; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3083 for (; pad > 0; pad--) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3084 *p++ = ' '; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3085 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3086 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3087 p = end; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3088 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3089 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3090 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3091 size_t count = p - tmp; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3092 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3093 if (count >= tmp_length) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3094 /* tmp_length was incorrectly calculated - fix the |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3095 code above! */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3096 abort (); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3097 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3098 /* Make room for the result. */ |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3099 if (count >= allocated - length) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3100 { |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3101 size_t n = xsum (length, count); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3102 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3103 ENSURE_ALLOCATION (n); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3104 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3105 |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3106 /* Append the result. */ |
8961 | 3107 memcpy (result + length, tmp, count * sizeof (DCHAR_T)); |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3108 if (tmp != tmpbuf) |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3109 free (tmp); |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3110 length += count; |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3111 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3112 } |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3113 #endif |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3114 #if (NEED_PRINTF_INFINITE_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3115 else if ((dp->conversion == 'f' || dp->conversion == 'F' |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3116 || dp->conversion == 'e' || dp->conversion == 'E' |
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3117 || dp->conversion == 'g' || dp->conversion == 'G' |
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
3118 || dp->conversion == 'a' || dp->conversion == 'A') |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3119 && (0 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3120 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3121 || a.arg[dp->arg_index].type == TYPE_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3122 # elif NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3123 || (a.arg[dp->arg_index].type == TYPE_DOUBLE |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3124 /* The systems (mingw) which produce wrong output |
8865
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
3125 for Inf, -Inf, and NaN also do so for -0.0. |
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
3126 Therefore we treat this case here as well. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3127 && is_infinite_or_zero (a.arg[dp->arg_index].a.a_double)) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3128 # endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3129 # if NEED_PRINTF_LONG_DOUBLE |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3130 || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3131 # elif NEED_PRINTF_INFINITE_LONG_DOUBLE |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3132 || (a.arg[dp->arg_index].type == TYPE_LONGDOUBLE |
8865
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
3133 /* Some systems produce wrong output for Inf, |
10449
8d0d7e629998
Don't use tabs inside comments ("unexpand --first-only").
Bruno Haible <bruno@clisp.org>
parents:
10448
diff
changeset
|
3134 -Inf, and NaN. Some systems in this category |
8d0d7e629998
Don't use tabs inside comments ("unexpand --first-only").
Bruno Haible <bruno@clisp.org>
parents:
10448
diff
changeset
|
3135 (IRIX 5.3) also do so for -0.0. Therefore we |
10448 | 3136 treat this case here as well. */ |
3137 && is_infinite_or_zerol (a.arg[dp->arg_index].a.a_longdouble)) | |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3138 # endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3139 )) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3140 { |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3141 # if (NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE) |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3142 arg_type type = a.arg[dp->arg_index].type; |
8846
6fe000202977
Fix a warning in last patch.
Bruno Haible <bruno@clisp.org>
parents:
8840
diff
changeset
|
3143 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3144 int flags = dp->flags; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3145 int has_width; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3146 size_t width; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3147 int has_precision; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3148 size_t precision; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3149 size_t tmp_length; |
8961 | 3150 DCHAR_T tmpbuf[700]; |
3151 DCHAR_T *tmp; | |
3152 DCHAR_T *pad_ptr; | |
3153 DCHAR_T *p; | |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3154 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3155 has_width = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3156 width = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3157 if (dp->width_start != dp->width_end) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3158 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3159 if (dp->width_arg_index != ARG_NONE) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3160 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3161 int arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3162 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3163 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3164 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3165 arg = a.arg[dp->width_arg_index].a.a_int; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3166 if (arg < 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3167 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3168 /* "A negative field width is taken as a '-' flag |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3169 followed by a positive field width." */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3170 flags |= FLAG_LEFT; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3171 width = (unsigned int) (-arg); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3172 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3173 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3174 width = arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3175 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3176 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3177 { |
8961 | 3178 const FCHAR_T *digitp = dp->width_start; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3179 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3180 do |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3181 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3182 while (digitp != dp->width_end); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3183 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3184 has_width = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3185 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3186 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3187 has_precision = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3188 precision = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3189 if (dp->precision_start != dp->precision_end) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3190 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3191 if (dp->precision_arg_index != ARG_NONE) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3192 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3193 int arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3194 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3195 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3196 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3197 arg = a.arg[dp->precision_arg_index].a.a_int; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3198 /* "A negative precision is taken as if the precision |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3199 were omitted." */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3200 if (arg >= 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3201 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3202 precision = arg; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3203 has_precision = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3204 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3205 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3206 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3207 { |
8961 | 3208 const FCHAR_T *digitp = dp->precision_start + 1; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3209 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3210 precision = 0; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3211 while (digitp != dp->precision_end) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3212 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3213 has_precision = 1; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3214 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3215 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3216 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3217 /* POSIX specifies the default precision to be 6 for %f, %F, |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3218 %e, %E, but not for %g, %G. Implementations appear to use |
10462
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3219 the same default precision also for %g, %G. But for %a, %A, |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3220 the default precision is 0. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3221 if (!has_precision) |
10462
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3222 if (!(dp->conversion == 'a' || dp->conversion == 'A')) |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3223 precision = 6; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3224 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3225 /* Allocate a temporary buffer of sufficient size. */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3226 # if NEED_PRINTF_DOUBLE && NEED_PRINTF_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3227 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : DBL_DIG + 1); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3228 # elif NEED_PRINTF_INFINITE_DOUBLE && NEED_PRINTF_LONG_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3229 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : 0); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3230 # elif NEED_PRINTF_LONG_DOUBLE |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3231 tmp_length = LDBL_DIG + 1; |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3232 # elif NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3233 tmp_length = DBL_DIG + 1; |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3234 # else |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3235 tmp_length = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3236 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3237 if (tmp_length < precision) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3238 tmp_length = precision; |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3239 # if NEED_PRINTF_LONG_DOUBLE |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3240 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3241 if (type == TYPE_LONGDOUBLE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3242 # endif |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3243 if (dp->conversion == 'f' || dp->conversion == 'F') |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3244 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3245 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3246 if (!(isnanl (arg) || arg + arg == arg)) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3247 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3248 /* arg is finite and nonzero. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3249 int exponent = floorlog10l (arg < 0 ? -arg : arg); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3250 if (exponent >= 0 && tmp_length < exponent + precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3251 tmp_length = exponent + precision; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3252 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3253 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3254 # endif |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3255 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3256 # if NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3257 if (type == TYPE_DOUBLE) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3258 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3259 if (dp->conversion == 'f' || dp->conversion == 'F') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3260 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3261 double arg = a.arg[dp->arg_index].a.a_double; |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
3262 if (!(isnand (arg) || arg + arg == arg)) |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3263 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3264 /* arg is finite and nonzero. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3265 int exponent = floorlog10 (arg < 0 ? -arg : arg); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3266 if (exponent >= 0 && tmp_length < exponent + precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3267 tmp_length = exponent + precision; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3268 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3269 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3270 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3271 /* Account for sign, decimal point etc. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3272 tmp_length = xsum (tmp_length, 12); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3273 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3274 if (tmp_length < width) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3275 tmp_length = width; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3276 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3277 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3278 |
8961 | 3279 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T)) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3280 tmp = tmpbuf; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3281 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3282 { |
8961 | 3283 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T)); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3284 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3285 if (size_overflow_p (tmp_memsize)) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3286 /* Overflow, would lead to out of memory. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3287 goto out_of_memory; |
8961 | 3288 tmp = (DCHAR_T *) malloc (tmp_memsize); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3289 if (tmp == NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3290 /* Out of memory. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3291 goto out_of_memory; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3292 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3293 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3294 pad_ptr = NULL; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3295 p = tmp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3296 |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3297 # if NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3298 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3299 if (type == TYPE_LONGDOUBLE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3300 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3301 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3302 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3303 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3304 if (isnanl (arg)) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3305 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3306 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3307 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3308 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3309 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3310 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3311 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3312 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3313 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3314 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3315 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3316 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3317 int sign = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3318 DECL_LONG_DOUBLE_ROUNDING |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3319 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3320 BEGIN_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3321 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3322 if (signbit (arg)) /* arg < 0.0L or negative zero */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3323 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3324 sign = -1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3325 arg = -arg; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3326 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3327 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3328 if (sign < 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3329 *p++ = '-'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3330 else if (flags & FLAG_SHOWSIGN) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3331 *p++ = '+'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3332 else if (flags & FLAG_SPACE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3333 *p++ = ' '; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3334 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3335 if (arg > 0.0L && arg + arg == arg) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3336 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3337 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3338 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3339 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3340 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3341 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3342 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3343 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3344 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3345 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3346 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3347 { |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3348 # if NEED_PRINTF_LONG_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3349 pad_ptr = p; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3350 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3351 if (dp->conversion == 'f' || dp->conversion == 'F') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3352 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3353 char *digits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3354 size_t ndigits; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3355 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3356 digits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3357 scale10_round_decimal_long_double (arg, precision); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3358 if (digits == NULL) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3359 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3360 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3361 goto out_of_memory; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3362 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3363 ndigits = strlen (digits); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3364 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3365 if (ndigits > precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3366 do |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3367 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3368 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3369 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3370 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3371 while (ndigits > precision); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3372 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3373 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3374 /* Here ndigits <= precision. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3375 if ((flags & FLAG_ALT) || precision > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3376 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3377 *p++ = decimal_point_char (); |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3378 for (; precision > ndigits; precision--) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3379 *p++ = '0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3380 while (ndigits > 0) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3381 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3382 --ndigits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3383 *p++ = digits[ndigits]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3384 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3385 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3386 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3387 free (digits); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3388 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3389 else if (dp->conversion == 'e' || dp->conversion == 'E') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3390 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3391 int exponent; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3392 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3393 if (arg == 0.0L) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3394 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3395 exponent = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3396 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3397 if ((flags & FLAG_ALT) || precision > 0) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3398 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3399 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3400 for (; precision > 0; precision--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3401 *p++ = '0'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3402 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3403 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3404 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3405 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3406 /* arg > 0.0L. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3407 int adjusted; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3408 char *digits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3409 size_t ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3410 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3411 exponent = floorlog10l (arg); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3412 adjusted = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3413 for (;;) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3414 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3415 digits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3416 scale10_round_decimal_long_double (arg, |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3417 (int)precision - exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3418 if (digits == NULL) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3419 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3420 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3421 goto out_of_memory; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3422 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3423 ndigits = strlen (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3424 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3425 if (ndigits == precision + 1) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3426 break; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3427 if (ndigits < precision |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3428 || ndigits > precision + 2) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3429 /* The exponent was not guessed |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3430 precisely enough. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3431 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3432 if (adjusted) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3433 /* None of two values of exponent is |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3434 the right one. Prevent an endless |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3435 loop. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3436 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3437 free (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3438 if (ndigits == precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3439 exponent -= 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3440 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3441 exponent += 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3442 adjusted = 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3443 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3444 /* Here ndigits = precision+1. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3445 if (is_borderline (digits, precision)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3446 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3447 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3448 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3449 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3450 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3451 scale10_round_decimal_long_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3452 (int)precision - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3453 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3454 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3455 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3456 END_LONG_DOUBLE_ROUNDING (); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3457 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3458 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3459 if (strlen (digits2) == precision + 1) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3460 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3461 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3462 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3463 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3464 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3465 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3466 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3467 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3468 /* Here ndigits = precision+1. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3469 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3470 *p++ = digits[--ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3471 if ((flags & FLAG_ALT) || precision > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3472 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3473 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3474 while (ndigits > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3475 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3476 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3477 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3478 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3479 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3480 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3481 free (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3482 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3483 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3484 *p++ = dp->conversion; /* 'e' or 'E' */ |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3485 # if WIDE_CHAR_VERSION |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3486 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3487 static const wchar_t decimal_format[] = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3488 { '%', '+', '.', '2', 'd', '\0' }; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3489 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3490 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3491 while (*p != '\0') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3492 p++; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3493 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3494 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3495 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3496 sprintf ((char *) p, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3497 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3498 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3499 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3500 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3501 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3502 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3503 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3504 sprintf (expbuf, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3505 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3506 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3507 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3508 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3509 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3510 else if (dp->conversion == 'g' || dp->conversion == 'G') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3511 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3512 if (precision == 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3513 precision = 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3514 /* precision >= 1. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3515 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3516 if (arg == 0.0L) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3517 /* The exponent is 0, >= -4, < precision. |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3518 Use fixed-point notation. */ |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3519 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3520 size_t ndigits = precision; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3521 /* Number of trailing zeroes that have to be |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3522 dropped. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3523 size_t nzeroes = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3524 (flags & FLAG_ALT ? 0 : precision - 1); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3525 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3526 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3527 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3528 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3529 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3530 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3531 while (ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3532 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3533 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3534 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3535 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3536 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3537 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3538 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3539 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3540 /* arg > 0.0L. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3541 int exponent; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3542 int adjusted; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3543 char *digits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3544 size_t ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3545 size_t nzeroes; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3546 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3547 exponent = floorlog10l (arg); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3548 adjusted = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3549 for (;;) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3550 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3551 digits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3552 scale10_round_decimal_long_double (arg, |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3553 (int)(precision - 1) - exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3554 if (digits == NULL) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3555 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3556 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3557 goto out_of_memory; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3558 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3559 ndigits = strlen (digits); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3560 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3561 if (ndigits == precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3562 break; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3563 if (ndigits < precision - 1 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3564 || ndigits > precision + 1) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3565 /* The exponent was not guessed |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3566 precisely enough. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3567 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3568 if (adjusted) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3569 /* None of two values of exponent is |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3570 the right one. Prevent an endless |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3571 loop. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3572 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3573 free (digits); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3574 if (ndigits < precision) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3575 exponent -= 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3576 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3577 exponent += 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3578 adjusted = 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3579 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3580 /* Here ndigits = precision. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3581 if (is_borderline (digits, precision - 1)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3582 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3583 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3584 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3585 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3586 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3587 scale10_round_decimal_long_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3588 (int)(precision - 1) - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3589 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3590 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3591 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3592 END_LONG_DOUBLE_ROUNDING (); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3593 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3594 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3595 if (strlen (digits2) == precision) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3596 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3597 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3598 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3599 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3600 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3601 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3602 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3603 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3604 /* Here ndigits = precision. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3605 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3606 /* Determine the number of trailing zeroes |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3607 that have to be dropped. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3608 nzeroes = 0; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3609 if ((flags & FLAG_ALT) == 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3610 while (nzeroes < ndigits |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3611 && digits[nzeroes] == '0') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3612 nzeroes++; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3613 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3614 /* The exponent is now determined. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3615 if (exponent >= -4 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3616 && exponent < (long)precision) |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3617 { |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3618 /* Fixed-point notation: |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3619 max(exponent,0)+1 digits, then the |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3620 decimal point, then the remaining |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3621 digits without trailing zeroes. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3622 if (exponent >= 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3623 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3624 size_t count = exponent + 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3625 /* Note: count <= precision = ndigits. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3626 for (; count > 0; count--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3627 *p++ = digits[--ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3628 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3629 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3630 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3631 while (ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3632 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3633 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3634 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3635 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3636 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3637 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3638 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3639 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3640 size_t count = -exponent - 1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3641 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3642 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3643 for (; count > 0; count--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3644 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3645 while (ndigits > nzeroes) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3646 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3647 --ndigits; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3648 *p++ = digits[ndigits]; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3649 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3650 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3651 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3652 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3653 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3654 /* Exponential notation. */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3655 *p++ = digits[--ndigits]; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3656 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3657 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3658 *p++ = decimal_point_char (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3659 while (ndigits > nzeroes) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3660 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3661 --ndigits; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3662 *p++ = digits[ndigits]; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3663 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3664 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3665 *p++ = dp->conversion - 'G' + 'E'; /* 'e' or 'E' */ |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3666 # if WIDE_CHAR_VERSION |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3667 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3668 static const wchar_t decimal_format[] = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3669 { '%', '+', '.', '2', 'd', '\0' }; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3670 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3671 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3672 while (*p != '\0') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3673 p++; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3674 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3675 if (sizeof (DCHAR_T) == 1) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3676 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3677 sprintf ((char *) p, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3678 while (*p != '\0') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3679 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3680 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3681 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3682 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3683 char expbuf[6 + 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3684 const char *ep; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3685 sprintf (expbuf, "%+.2d", exponent); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3686 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3687 p++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3688 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3689 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3690 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3691 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3692 free (digits); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3693 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3694 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3695 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3696 abort (); |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3697 # else |
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3698 /* arg is finite. */ |
10448 | 3699 if (!(arg == 0.0L)) |
3700 abort (); | |
3701 | |
3702 pad_ptr = p; | |
3703 | |
3704 if (dp->conversion == 'f' || dp->conversion == 'F') | |
3705 { | |
3706 *p++ = '0'; | |
3707 if ((flags & FLAG_ALT) || precision > 0) | |
3708 { | |
3709 *p++ = decimal_point_char (); | |
3710 for (; precision > 0; precision--) | |
3711 *p++ = '0'; | |
3712 } | |
3713 } | |
3714 else if (dp->conversion == 'e' || dp->conversion == 'E') | |
3715 { | |
3716 *p++ = '0'; | |
3717 if ((flags & FLAG_ALT) || precision > 0) | |
3718 { | |
3719 *p++ = decimal_point_char (); | |
3720 for (; precision > 0; precision--) | |
3721 *p++ = '0'; | |
3722 } | |
3723 *p++ = dp->conversion; /* 'e' or 'E' */ | |
3724 *p++ = '+'; | |
3725 *p++ = '0'; | |
3726 *p++ = '0'; | |
3727 } | |
3728 else if (dp->conversion == 'g' || dp->conversion == 'G') | |
3729 { | |
3730 *p++ = '0'; | |
3731 if (flags & FLAG_ALT) | |
3732 { | |
3733 size_t ndigits = | |
3734 (precision > 0 ? precision - 1 : 0); | |
3735 *p++ = decimal_point_char (); | |
3736 for (; ndigits > 0; --ndigits) | |
3737 *p++ = '0'; | |
3738 } | |
3739 } | |
10462
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3740 else if (dp->conversion == 'a' || dp->conversion == 'A') |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3741 { |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3742 *p++ = '0'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3743 *p++ = dp->conversion - 'A' + 'X'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3744 pad_ptr = p; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3745 *p++ = '0'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3746 if ((flags & FLAG_ALT) || precision > 0) |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3747 { |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3748 *p++ = decimal_point_char (); |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3749 for (; precision > 0; precision--) |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3750 *p++ = '0'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3751 } |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3752 *p++ = dp->conversion - 'A' + 'P'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3753 *p++ = '+'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3754 *p++ = '0'; |
543b852ede8a
vasnprintf: fix x86/glibc regression on printf("%La", 0.0L)
Eric Blake <ebb9@byu.net>
parents:
10450
diff
changeset
|
3755 } |
10448 | 3756 else |
3757 abort (); | |
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3758 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3759 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3760 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3761 END_LONG_DOUBLE_ROUNDING (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3762 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3763 } |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3764 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3765 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3766 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3767 # endif |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3768 # if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3769 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3770 double arg = a.arg[dp->arg_index].a.a_double; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3771 |
9646
a113e473cc98
Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents:
9489
diff
changeset
|
3772 if (isnand (arg)) |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3773 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3774 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3775 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3776 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3777 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3778 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3779 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3780 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3781 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3782 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3783 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3784 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3785 int sign = 0; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3786 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3787 if (signbit (arg)) /* arg < 0.0 or negative zero */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3788 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3789 sign = -1; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3790 arg = -arg; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3791 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3792 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3793 if (sign < 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3794 *p++ = '-'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3795 else if (flags & FLAG_SHOWSIGN) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3796 *p++ = '+'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3797 else if (flags & FLAG_SPACE) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3798 *p++ = ' '; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3799 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3800 if (arg > 0.0 && arg + arg == arg) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3801 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3802 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3803 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3804 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3805 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3806 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3807 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3808 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3809 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3810 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3811 else |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3812 { |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3813 # if NEED_PRINTF_DOUBLE |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3814 pad_ptr = p; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3815 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3816 if (dp->conversion == 'f' || dp->conversion == 'F') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3817 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3818 char *digits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3819 size_t ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3820 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3821 digits = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3822 scale10_round_decimal_double (arg, precision); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3823 if (digits == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3824 goto out_of_memory; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3825 ndigits = strlen (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3826 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3827 if (ndigits > precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3828 do |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3829 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3830 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3831 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3832 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3833 while (ndigits > precision); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3834 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3835 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3836 /* Here ndigits <= precision. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3837 if ((flags & FLAG_ALT) || precision > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3838 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3839 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3840 for (; precision > ndigits; precision--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3841 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3842 while (ndigits > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3843 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3844 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3845 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3846 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3847 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3848 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3849 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3850 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3851 else if (dp->conversion == 'e' || dp->conversion == 'E') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3852 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3853 int exponent; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3854 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3855 if (arg == 0.0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3856 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3857 exponent = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3858 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3859 if ((flags & FLAG_ALT) || precision > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3860 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3861 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3862 for (; precision > 0; precision--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3863 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3864 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3865 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3866 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3867 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3868 /* arg > 0.0. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3869 int adjusted; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3870 char *digits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3871 size_t ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3872 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3873 exponent = floorlog10 (arg); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3874 adjusted = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3875 for (;;) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3876 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3877 digits = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3878 scale10_round_decimal_double (arg, |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3879 (int)precision - exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3880 if (digits == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3881 goto out_of_memory; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3882 ndigits = strlen (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3883 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3884 if (ndigits == precision + 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3885 break; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3886 if (ndigits < precision |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3887 || ndigits > precision + 2) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3888 /* The exponent was not guessed |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3889 precisely enough. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3890 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3891 if (adjusted) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3892 /* None of two values of exponent is |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3893 the right one. Prevent an endless |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3894 loop. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3895 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3896 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3897 if (ndigits == precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3898 exponent -= 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3899 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3900 exponent += 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3901 adjusted = 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3902 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3903 /* Here ndigits = precision+1. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3904 if (is_borderline (digits, precision)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3905 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3906 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3907 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3908 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3909 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3910 scale10_round_decimal_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3911 (int)precision - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3912 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3913 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3914 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3915 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3916 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3917 if (strlen (digits2) == precision + 1) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3918 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3919 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3920 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3921 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3922 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3923 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3924 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3925 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3926 /* Here ndigits = precision+1. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
3927 |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3928 *p++ = digits[--ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3929 if ((flags & FLAG_ALT) || precision > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3930 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3931 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3932 while (ndigits > 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3933 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3934 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3935 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3936 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3937 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3938 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3939 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3940 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3941 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3942 *p++ = dp->conversion; /* 'e' or 'E' */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3943 # if WIDE_CHAR_VERSION |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3944 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3945 static const wchar_t decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3946 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3947 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3948 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3949 { '%', '+', '.', '3', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3950 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3951 { '%', '+', '.', '2', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3952 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3953 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3954 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3955 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3956 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3957 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3958 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3959 static const char decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3960 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3961 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3962 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3963 "%+.3d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3964 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3965 "%+.2d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3966 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3967 if (sizeof (DCHAR_T) == 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3968 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3969 sprintf ((char *) p, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3970 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3971 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3972 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3973 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3974 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3975 char expbuf[6 + 1]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3976 const char *ep; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3977 sprintf (expbuf, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3978 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3979 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3980 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3981 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3982 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3983 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3984 else if (dp->conversion == 'g' || dp->conversion == 'G') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3985 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3986 if (precision == 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3987 precision = 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3988 /* precision >= 1. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3989 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3990 if (arg == 0.0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3991 /* The exponent is 0, >= -4, < precision. |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3992 Use fixed-point notation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3993 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3994 size_t ndigits = precision; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3995 /* Number of trailing zeroes that have to be |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3996 dropped. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3997 size_t nzeroes = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3998 (flags & FLAG_ALT ? 0 : precision - 1); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3999 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4000 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4001 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4002 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4003 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4004 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4005 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4006 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4007 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4008 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4009 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4010 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4011 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4012 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4013 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4014 /* arg > 0.0. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4015 int exponent; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4016 int adjusted; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4017 char *digits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4018 size_t ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4019 size_t nzeroes; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4020 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4021 exponent = floorlog10 (arg); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4022 adjusted = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4023 for (;;) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4024 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4025 digits = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4026 scale10_round_decimal_double (arg, |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4027 (int)(precision - 1) - exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4028 if (digits == NULL) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4029 goto out_of_memory; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4030 ndigits = strlen (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4031 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4032 if (ndigits == precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4033 break; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4034 if (ndigits < precision - 1 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4035 || ndigits > precision + 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4036 /* The exponent was not guessed |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4037 precisely enough. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4038 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4039 if (adjusted) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4040 /* None of two values of exponent is |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4041 the right one. Prevent an endless |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4042 loop. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4043 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4044 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4045 if (ndigits < precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4046 exponent -= 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4047 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4048 exponent += 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4049 adjusted = 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4050 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4051 /* Here ndigits = precision. */ |
9938
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4052 if (is_borderline (digits, precision - 1)) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4053 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4054 /* Maybe the exponent guess was too high |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4055 and a smaller exponent can be reached |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4056 by turning a 10...0 into 9...9x. */ |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4057 char *digits2 = |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4058 scale10_round_decimal_double (arg, |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4059 (int)(precision - 1) - exponent + 1); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4060 if (digits2 == NULL) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4061 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4062 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4063 goto out_of_memory; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4064 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4065 if (strlen (digits2) == precision) |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4066 { |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4067 free (digits); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4068 digits = digits2; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4069 exponent -= 1; |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4070 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4071 else |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4072 free (digits2); |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4073 } |
9f8c455639fc
Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents:
9834
diff
changeset
|
4074 /* Here ndigits = precision. */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4075 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4076 /* Determine the number of trailing zeroes |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4077 that have to be dropped. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4078 nzeroes = 0; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4079 if ((flags & FLAG_ALT) == 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4080 while (nzeroes < ndigits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4081 && digits[nzeroes] == '0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4082 nzeroes++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4083 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4084 /* The exponent is now determined. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4085 if (exponent >= -4 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4086 && exponent < (long)precision) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4087 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4088 /* Fixed-point notation: |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4089 max(exponent,0)+1 digits, then the |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4090 decimal point, then the remaining |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4091 digits without trailing zeroes. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4092 if (exponent >= 0) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4093 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4094 size_t count = exponent + 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4095 /* Note: count <= precision = ndigits. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4096 for (; count > 0; count--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4097 *p++ = digits[--ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4098 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4099 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4100 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4101 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4102 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4103 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4104 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4105 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4106 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4107 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4108 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4109 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4110 size_t count = -exponent - 1; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4111 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4112 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4113 for (; count > 0; count--) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4114 *p++ = '0'; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4115 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4116 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4117 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4118 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4119 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4120 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4121 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4122 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4123 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4124 /* Exponential notation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4125 *p++ = digits[--ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4126 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4127 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4128 *p++ = decimal_point_char (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4129 while (ndigits > nzeroes) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4130 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4131 --ndigits; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4132 *p++ = digits[ndigits]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4133 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4134 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4135 *p++ = dp->conversion - 'G' + 'E'; /* 'e' or 'E' */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4136 # if WIDE_CHAR_VERSION |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4137 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4138 static const wchar_t decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4139 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4140 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4141 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4142 { '%', '+', '.', '3', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4143 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4144 { '%', '+', '.', '2', 'd', '\0' }; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4145 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4146 SNPRINTF (p, 6 + 1, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4147 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4148 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4149 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4150 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4151 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4152 static const char decimal_format[] = |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4153 /* Produce the same number of exponent digits |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4154 as the native printf implementation. */ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4155 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4156 "%+.3d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4157 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4158 "%+.2d"; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4159 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4160 if (sizeof (DCHAR_T) == 1) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4161 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4162 sprintf ((char *) p, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4163 while (*p != '\0') |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4164 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4165 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4166 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4167 { |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4168 char expbuf[6 + 1]; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4169 const char *ep; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4170 sprintf (expbuf, decimal_format, exponent); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4171 for (ep = expbuf; (*p = *ep) != '\0'; ep++) |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4172 p++; |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4173 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4174 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4175 # endif |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4176 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4177 |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4178 free (digits); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4179 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4180 } |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4181 else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4182 abort (); |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4183 # else |
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4184 /* arg is finite. */ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4185 if (!(arg == 0.0)) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4186 abort (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4187 |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4188 pad_ptr = p; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4189 |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4190 if (dp->conversion == 'f' || dp->conversion == 'F') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4191 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4192 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4193 if ((flags & FLAG_ALT) || precision > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4194 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4195 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4196 for (; precision > 0; precision--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4197 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4198 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4199 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4200 else if (dp->conversion == 'e' || dp->conversion == 'E') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4201 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4202 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4203 if ((flags & FLAG_ALT) || precision > 0) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4204 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4205 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4206 for (; precision > 0; precision--) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4207 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4208 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4209 *p++ = dp->conversion; /* 'e' or 'E' */ |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4210 *p++ = '+'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4211 /* Produce the same number of exponent digits as |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4212 the native printf implementation. */ |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4213 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4214 *p++ = '0'; |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4215 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4216 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4217 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4218 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4219 else if (dp->conversion == 'g' || dp->conversion == 'G') |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4220 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4221 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4222 if (flags & FLAG_ALT) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4223 { |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4224 size_t ndigits = |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4225 (precision > 0 ? precision - 1 : 0); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4226 *p++ = decimal_point_char (); |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4227 for (; ndigits > 0; --ndigits) |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4228 *p++ = '0'; |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4229 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4230 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4231 else |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4232 abort (); |
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
4233 # endif |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4234 } |
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4235 } |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4236 } |
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
4237 # endif |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4238 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4239 /* The generated string now extends from tmp to p, with the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4240 zero padding insertion point being at pad_ptr. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4241 if (has_width && p - tmp < width) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4242 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4243 size_t pad = width - (p - tmp); |
8961 | 4244 DCHAR_T *end = p + pad; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4245 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4246 if (flags & FLAG_LEFT) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4247 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4248 /* Pad with spaces on the right. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4249 for (; pad > 0; pad--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4250 *p++ = ' '; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4251 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4252 else if ((flags & FLAG_ZERO) && pad_ptr != NULL) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4253 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4254 /* Pad with zeroes. */ |
8961 | 4255 DCHAR_T *q = end; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4256 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4257 while (p > pad_ptr) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4258 *--q = *--p; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4259 for (; pad > 0; pad--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4260 *p++ = '0'; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4261 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4262 else |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4263 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4264 /* Pad with spaces on the left. */ |
8961 | 4265 DCHAR_T *q = end; |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4266 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4267 while (p > tmp) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4268 *--q = *--p; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4269 for (; pad > 0; pad--) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4270 *p++ = ' '; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4271 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4272 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4273 p = end; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4274 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4275 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4276 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4277 size_t count = p - tmp; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4278 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4279 if (count >= tmp_length) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4280 /* tmp_length was incorrectly calculated - fix the |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4281 code above! */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4282 abort (); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4283 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4284 /* Make room for the result. */ |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4285 if (count >= allocated - length) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4286 { |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4287 size_t n = xsum (length, count); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4288 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4289 ENSURE_ALLOCATION (n); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4290 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4291 |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4292 /* Append the result. */ |
8961 | 4293 memcpy (result + length, tmp, count * sizeof (DCHAR_T)); |
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4294 if (tmp != tmpbuf) |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4295 free (tmp); |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4296 length += count; |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4297 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4298 } |
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
4299 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4300 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4301 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4302 arg_type type = a.arg[dp->arg_index].type; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4303 int flags = dp->flags; |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
4304 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4305 int has_width; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4306 size_t width; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4307 #endif |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4308 #if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4309 int has_precision; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4310 size_t precision; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4311 #endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4312 #if NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4313 int prec_ourselves; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4314 #else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4315 # define prec_ourselves 0 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4316 #endif |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
4317 #if NEED_PRINTF_FLAG_LEFTADJUST |
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
4318 # define pad_ourselves 1 |
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
4319 #elif !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4320 int pad_ourselves; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4321 #else |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4322 # define pad_ourselves 0 |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4323 #endif |
8961 | 4324 TCHAR_T *fbp; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4325 unsigned int prefix_count; |
10104
14be34f63d45
Oops, fix syntax error introduced by last commit.
Bruno Haible <bruno@clisp.org>
parents:
10102
diff
changeset
|
4326 int prefixes[2] IF_LINT (= { 0 }); |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4327 #if !USE_SNPRINTF |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4328 size_t tmp_length; |
8962 | 4329 TCHAR_T tmpbuf[700]; |
4330 TCHAR_T *tmp; | |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4331 #endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4332 |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
4333 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4334 has_width = 0; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4335 width = 0; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4336 if (dp->width_start != dp->width_end) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4337 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4338 if (dp->width_arg_index != ARG_NONE) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4339 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4340 int arg; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4341 |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4342 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4343 abort (); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4344 arg = a.arg[dp->width_arg_index].a.a_int; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4345 if (arg < 0) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4346 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4347 /* "A negative field width is taken as a '-' flag |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4348 followed by a positive field width." */ |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4349 flags |= FLAG_LEFT; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4350 width = (unsigned int) (-arg); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4351 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4352 else |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4353 width = arg; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4354 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4355 else |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4356 { |
8961 | 4357 const FCHAR_T *digitp = dp->width_start; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4358 |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4359 do |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4360 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4361 while (digitp != dp->width_end); |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4362 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4363 has_width = 1; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4364 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4365 #endif |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4366 |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4367 #if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4368 has_precision = 0; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4369 precision = 6; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4370 if (dp->precision_start != dp->precision_end) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4371 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4372 if (dp->precision_arg_index != ARG_NONE) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4373 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4374 int arg; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4375 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4376 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4377 abort (); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4378 arg = a.arg[dp->precision_arg_index].a.a_int; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4379 /* "A negative precision is taken as if the precision |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4380 were omitted." */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4381 if (arg >= 0) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4382 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4383 precision = arg; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4384 has_precision = 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4385 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4386 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4387 else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4388 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4389 const FCHAR_T *digitp = dp->precision_start + 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4390 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4391 precision = 0; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4392 while (digitp != dp->precision_end) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4393 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4394 has_precision = 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4395 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4396 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4397 #endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4398 |
9834 | 4399 /* Decide whether to handle the precision ourselves. */ |
4400 #if NEED_PRINTF_UNBOUNDED_PRECISION | |
4401 switch (dp->conversion) | |
4402 { | |
4403 case 'd': case 'i': case 'u': | |
4404 case 'o': | |
4405 case 'x': case 'X': case 'p': | |
4406 prec_ourselves = has_precision && (precision > 0); | |
4407 break; | |
4408 default: | |
4409 prec_ourselves = 0; | |
4410 break; | |
4411 } | |
4412 #endif | |
4413 | |
4414 /* Decide whether to perform the padding ourselves. */ | |
4415 #if !NEED_PRINTF_FLAG_LEFTADJUST && (!DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION) | |
4416 switch (dp->conversion) | |
4417 { | |
4418 # if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO | |
4419 /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need | |
4420 to perform the padding after this conversion. Functions | |
4421 with unistdio extensions perform the padding based on | |
4422 character count rather than element count. */ | |
4423 case 'c': case 's': | |
4424 # endif | |
4425 # if NEED_PRINTF_FLAG_ZERO | |
4426 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': | |
4427 case 'a': case 'A': | |
4428 # endif | |
4429 pad_ourselves = 1; | |
4430 break; | |
4431 default: | |
4432 pad_ourselves = prec_ourselves; | |
4433 break; | |
4434 } | |
4435 #endif | |
4436 | |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4437 #if !USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4438 /* Allocate a temporary buffer of sufficient size for calling |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4439 sprintf. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4440 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4441 switch (dp->conversion) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4442 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4443 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4444 case 'd': case 'i': case 'u': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4445 # if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4446 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4447 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4448 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4449 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4450 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4451 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4452 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4453 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4454 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4455 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4456 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4457 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4458 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4459 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4460 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4461 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4462 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4463 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4464 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4465 + 1; /* turn floor into ceil */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4466 if (tmp_length < precision) |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4467 tmp_length = precision; |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4468 /* Multiply by 2, as an estimate for FLAG_GROUP. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4469 tmp_length = xsum (tmp_length, tmp_length); |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4470 /* Add 1, to account for a leading sign. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4471 tmp_length = xsum (tmp_length, 1); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4472 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4473 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4474 case 'o': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4475 # if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4476 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4477 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4478 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4479 * 0.333334 /* binary -> octal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4480 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4481 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4482 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4483 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4484 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4485 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4486 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4487 * 0.333334 /* binary -> octal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4488 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4489 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4490 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4491 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4492 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4493 * 0.333334 /* binary -> octal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4494 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4495 + 1; /* turn floor into ceil */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4496 if (tmp_length < precision) |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4497 tmp_length = precision; |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4498 /* Add 1, to account for a leading sign. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4499 tmp_length = xsum (tmp_length, 1); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4500 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4501 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4502 case 'x': case 'X': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4503 # if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4504 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4505 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4506 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4507 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4508 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4509 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4510 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4511 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4512 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4513 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4514 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4515 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4516 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4517 + 1; /* turn floor into ceil */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4518 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4519 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4520 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4521 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4522 ) |
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4523 + 1; /* turn floor into ceil */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4524 if (tmp_length < precision) |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4525 tmp_length = precision; |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4526 /* Add 2, to account for a leading sign or alternate form. */ |
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
4527 tmp_length = xsum (tmp_length, 2); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4528 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4529 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4530 case 'f': case 'F': |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4531 if (type == TYPE_LONGDOUBLE) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4532 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4533 (unsigned int) (LDBL_MAX_EXP |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4534 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4535 * 2 /* estimate for FLAG_GROUP */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4536 ) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4537 + 1 /* turn floor into ceil */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4538 + 10; /* sign, decimal point etc. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4539 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4540 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4541 (unsigned int) (DBL_MAX_EXP |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4542 * 0.30103 /* binary -> decimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4543 * 2 /* estimate for FLAG_GROUP */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4544 ) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4545 + 1 /* turn floor into ceil */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4546 + 10; /* sign, decimal point etc. */ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4547 tmp_length = xsum (tmp_length, precision); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4548 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4549 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4550 case 'e': case 'E': case 'g': case 'G': |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4551 tmp_length = |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4552 12; /* sign, decimal point, exponent etc. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4553 tmp_length = xsum (tmp_length, precision); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4554 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4555 |
8254
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4556 case 'a': case 'A': |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4557 if (type == TYPE_LONGDOUBLE) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4558 tmp_length = |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4559 (unsigned int) (LDBL_DIG |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4560 * 0.831 /* decimal -> hexadecimal */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4561 ) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4562 + 1; /* turn floor into ceil */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4563 else |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4564 tmp_length = |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4565 (unsigned int) (DBL_DIG |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4566 * 0.831 /* decimal -> hexadecimal */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4567 ) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4568 + 1; /* turn floor into ceil */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4569 if (tmp_length < precision) |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4570 tmp_length = precision; |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4571 /* Account for sign, decimal point etc. */ |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4572 tmp_length = xsum (tmp_length, 12); |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4573 break; |
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
4574 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4575 case 'c': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4576 # if HAVE_WINT_T && !WIDE_CHAR_VERSION |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4577 if (type == TYPE_WIDE_CHAR) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4578 tmp_length = MB_CUR_MAX; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4579 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4580 # endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4581 tmp_length = 1; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4582 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4583 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4584 case 's': |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4585 # if HAVE_WCHAR_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4586 if (type == TYPE_WIDE_STRING) |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4587 { |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4588 # if WIDE_CHAR_VERSION |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4589 /* ISO C says about %ls in fwprintf: |
11209 | 4590 "If the precision is not specified or is greater |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4591 than the size of the array, the array shall |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4592 contain a null wide character." |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4593 So if there is a precision, we must not use |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4594 wcslen. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4595 const wchar_t *arg = |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4596 a.arg[dp->arg_index].a.a_wide_string; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4597 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4598 if (has_precision) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4599 tmp_length = local_wcsnlen (arg, precision); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4600 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4601 tmp_length = local_wcslen (arg); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4602 # else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4603 /* ISO C says about %ls in fprintf: |
11209 | 4604 "If a precision is specified, no more than that |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4605 many bytes are written (including shift |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4606 sequences, if any), and the array shall contain |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4607 a null wide character if, to equal the |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4608 multibyte character sequence length given by |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4609 the precision, the function would need to |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4610 access a wide character one past the end of the |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4611 array." |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4612 So if there is a precision, we must not use |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4613 wcslen. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4614 /* This case has already been handled above. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4615 abort (); |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4616 # endif |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4617 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4618 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4619 # endif |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4620 { |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4621 # if WIDE_CHAR_VERSION |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4622 /* ISO C says about %s in fwprintf: |
11209 | 4623 "If the precision is not specified or is greater |
11207
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4624 than the size of the converted array, the |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4625 converted array shall contain a null wide |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4626 character." |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4627 So if there is a precision, we must not use |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4628 strlen. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4629 /* This case has already been handled above. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4630 abort (); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4631 # else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4632 /* ISO C says about %s in fprintf: |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4633 "If the precision is not specified or greater |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4634 than the size of the array, the array shall |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4635 contain a null character." |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4636 So if there is a precision, we must not use |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4637 strlen. */ |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4638 const char *arg = a.arg[dp->arg_index].a.a_string; |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4639 |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4640 if (has_precision) |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4641 tmp_length = local_strnlen (arg, precision); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4642 else |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4643 tmp_length = strlen (arg); |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4644 # endif |
4daf474e9033
vasnprintf: Fix invalid read past end of memory block.
Bruno Haible <bruno@clisp.org>
parents:
10462
diff
changeset
|
4645 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4646 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4647 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4648 case 'p': |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4649 tmp_length = |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4650 (unsigned int) (sizeof (void *) * CHAR_BIT |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4651 * 0.25 /* binary -> hexadecimal */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4652 ) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4653 + 1 /* turn floor into ceil */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4654 + 2; /* account for leading 0x */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4655 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4656 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4657 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4658 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4659 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4660 |
9834 | 4661 if (!pad_ourselves) |
4662 { | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4663 # if ENABLE_UNISTDIO |
9834 | 4664 /* Padding considers the number of characters, therefore |
4665 the number of elements after padding may be | |
4666 > max (tmp_length, width) | |
4667 but is certainly | |
4668 <= tmp_length + width. */ | |
4669 tmp_length = xsum (tmp_length, width); | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4670 # else |
9834 | 4671 /* Padding considers the number of elements, |
4672 says POSIX. */ | |
4673 if (tmp_length < width) | |
4674 tmp_length = width; | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4675 # endif |
9834 | 4676 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4677 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4678 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4679 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4680 |
8962 | 4681 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T)) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4682 tmp = tmpbuf; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4683 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4684 { |
8962 | 4685 size_t tmp_memsize = xtimes (tmp_length, sizeof (TCHAR_T)); |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4686 |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4687 if (size_overflow_p (tmp_memsize)) |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4688 /* Overflow, would lead to out of memory. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4689 goto out_of_memory; |
8962 | 4690 tmp = (TCHAR_T *) malloc (tmp_memsize); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4691 if (tmp == NULL) |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4692 /* Out of memory. */ |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4693 goto out_of_memory; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4694 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4695 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4696 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4697 /* Construct the format string for calling snprintf or |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4698 sprintf. */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4699 fbp = buf; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4700 *fbp++ = '%'; |
8803
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4701 #if NEED_PRINTF_FLAG_GROUPING |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4702 /* The underlying implementation doesn't support the ' flag. |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4703 Produce no grouping characters in this case; this is |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4704 acceptable because the grouping is locale dependent. */ |
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4705 #else |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4706 if (flags & FLAG_GROUP) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4707 *fbp++ = '\''; |
8803
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
4708 #endif |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4709 if (flags & FLAG_LEFT) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4710 *fbp++ = '-'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4711 if (flags & FLAG_SHOWSIGN) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4712 *fbp++ = '+'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4713 if (flags & FLAG_SPACE) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4714 *fbp++ = ' '; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4715 if (flags & FLAG_ALT) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4716 *fbp++ = '#'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4717 if (!pad_ourselves) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4718 { |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4719 if (flags & FLAG_ZERO) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4720 *fbp++ = '0'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4721 if (dp->width_start != dp->width_end) |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4722 { |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4723 size_t n = dp->width_end - dp->width_start; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4724 /* The width specification is known to consist only |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4725 of standard ASCII characters. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4726 if (sizeof (FCHAR_T) == sizeof (TCHAR_T)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4727 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4728 memcpy (fbp, dp->width_start, n * sizeof (TCHAR_T)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4729 fbp += n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4730 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4731 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4732 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4733 const FCHAR_T *mp = dp->width_start; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4734 do |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4735 *fbp++ = (unsigned char) *mp++; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4736 while (--n > 0); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4737 } |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4738 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4739 } |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4740 if (!prec_ourselves) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4741 { |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4742 if (dp->precision_start != dp->precision_end) |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4743 { |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4744 size_t n = dp->precision_end - dp->precision_start; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4745 /* The precision specification is known to consist only |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4746 of standard ASCII characters. */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4747 if (sizeof (FCHAR_T) == sizeof (TCHAR_T)) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4748 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4749 memcpy (fbp, dp->precision_start, n * sizeof (TCHAR_T)); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4750 fbp += n; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4751 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4752 else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4753 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4754 const FCHAR_T *mp = dp->precision_start; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4755 do |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4756 *fbp++ = (unsigned char) *mp++; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4757 while (--n > 0); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
4758 } |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4759 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4760 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4761 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4762 switch (type) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4763 { |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4764 #if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4765 case TYPE_LONGLONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4766 case TYPE_ULONGLONGINT: |
8830
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4767 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4768 *fbp++ = 'I'; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4769 *fbp++ = '6'; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4770 *fbp++ = '4'; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4771 break; |
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4772 # else |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4773 *fbp++ = 'l'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4774 /*FALLTHROUGH*/ |
8830
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
4775 # endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4776 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4777 case TYPE_LONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4778 case TYPE_ULONGINT: |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4779 #if HAVE_WINT_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4780 case TYPE_WIDE_CHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4781 #endif |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4782 #if HAVE_WCHAR_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4783 case TYPE_WIDE_STRING: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4784 #endif |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4785 *fbp++ = 'l'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4786 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4787 case TYPE_LONGDOUBLE: |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4788 *fbp++ = 'L'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4789 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4790 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4791 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4792 } |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4793 #if NEED_PRINTF_DIRECTIVE_F |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4794 if (dp->conversion == 'F') |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4795 *fbp = 'f'; |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4796 else |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4797 #endif |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4798 *fbp = dp->conversion; |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4799 #if USE_SNPRINTF |
9676
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4800 # if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4801 fbp[1] = '%'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4802 fbp[2] = 'n'; |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4803 fbp[3] = '\0'; |
9361
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4804 # else |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4805 /* On glibc2 systems from glibc >= 2.3 - probably also older |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4806 ones - we know that snprintf's returns value conforms to |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4807 ISO C 99: the gl_SNPRINTF_DIRECTIVE_N test passes. |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4808 Therefore we can avoid using %n in this situation. |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4809 On glibc2 systems from 2004-10-18 or newer, the use of %n |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4810 in format strings in writable memory may crash the program |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4811 (if compiled with _FORTIFY_SOURCE=2), so we should avoid it |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4812 in this situation. */ |
9676
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4813 /* On native Win32 systems (such as mingw), we can avoid using |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4814 %n because: |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4815 - Although the gl_SNPRINTF_TRUNCATION_C99 test fails, |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4816 snprintf does not write more than the specified number |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4817 of bytes. (snprintf (buf, 3, "%d %d", 4567, 89) writes |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4818 '4', '5', '6' into buf, not '4', '5', '\0'.) |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4819 - Although the gl_SNPRINTF_RETVAL_C99 test fails, snprintf |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4820 allows us to recognize the case of an insufficient |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4821 buffer size: it returns -1 in this case. |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4822 On native Win32 systems (such as mingw) where the OS is |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4823 Windows Vista, the use of %n in format strings by default |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4824 crashes the program. See |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4825 <http://gcc.gnu.org/ml/gcc/2007-06/msg00122.html> and |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4826 <http://msdn2.microsoft.com/en-us/library/ms175782(VS.80).aspx> |
cbba7bfe013b
Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents:
9674
diff
changeset
|
4827 So we should avoid %n in this situation. */ |
9361
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4828 fbp[1] = '\0'; |
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
4829 # endif |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4830 #else |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4831 fbp[1] = '\0'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4832 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4833 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4834 /* Construct the arguments for calling snprintf or sprintf. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4835 prefix_count = 0; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4836 if (!pad_ourselves && dp->width_arg_index != ARG_NONE) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4837 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4838 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4839 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4840 prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4841 } |
10394
4b3ac67aa7bc
vasnprintf-posix: handle large precision via %.*d
Eric Blake <ebb9@byu.net>
parents:
10264
diff
changeset
|
4842 if (!prec_ourselves && dp->precision_arg_index != ARG_NONE) |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4843 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4844 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4845 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4846 prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4847 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4848 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4849 #if USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4850 /* The SNPRINTF result is appended after result[0..length]. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4851 The latter is an array of DCHAR_T; SNPRINTF appends an |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4852 array of TCHAR_T to it. This is possible because |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4853 sizeof (TCHAR_T) divides sizeof (DCHAR_T) and |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4854 alignof (TCHAR_T) <= alignof (DCHAR_T). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4855 # define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T)) |
9462
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4856 /* Ensure that maxlen below will be >= 2. Needed on BeOS, |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4857 where an snprintf() with maxlen==1 acts like sprintf(). */ |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4858 ENSURE_ALLOCATION (xsum (length, |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4859 (2 + TCHARS_PER_DCHAR - 1) |
7bbddc0fae4a
Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents:
9461
diff
changeset
|
4860 / TCHARS_PER_DCHAR)); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4861 /* Prepare checking whether snprintf returns the count |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4862 via %n. */ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4863 *(TCHAR_T *) (result + length) = '\0'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4864 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4865 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4866 for (;;) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4867 { |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4868 int count = -1; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4869 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4870 #if USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4871 int retcount = 0; |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4872 size_t maxlen = allocated - length; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4873 /* SNPRINTF can fail if its second argument is |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4874 > INT_MAX. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4875 if (maxlen > INT_MAX / TCHARS_PER_DCHAR) |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4876 maxlen = INT_MAX / TCHARS_PER_DCHAR; |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4877 maxlen = maxlen * TCHARS_PER_DCHAR; |
4704 | 4878 # define SNPRINTF_BUF(arg) \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4879 switch (prefix_count) \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4880 { \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4881 case 0: \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4882 retcount = SNPRINTF ((TCHAR_T *) (result + length), \ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4883 maxlen, buf, \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4884 arg, &count); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4885 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4886 case 1: \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4887 retcount = SNPRINTF ((TCHAR_T *) (result + length), \ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4888 maxlen, buf, \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4889 prefixes[0], arg, &count); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4890 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4891 case 2: \ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4892 retcount = SNPRINTF ((TCHAR_T *) (result + length), \ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4893 maxlen, buf, \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4894 prefixes[0], prefixes[1], arg, \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4895 &count); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4896 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4897 default: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4898 abort (); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4899 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4900 #else |
4704 | 4901 # define SNPRINTF_BUF(arg) \ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4902 switch (prefix_count) \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4903 { \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4904 case 0: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4905 count = sprintf (tmp, buf, arg); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4906 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4907 case 1: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4908 count = sprintf (tmp, buf, prefixes[0], arg); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4909 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4910 case 2: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4911 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4912 arg); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4913 break; \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4914 default: \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4915 abort (); \ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4916 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4917 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4918 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4919 switch (type) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4920 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4921 case TYPE_SCHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4922 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4923 int arg = a.arg[dp->arg_index].a.a_schar; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4924 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4925 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4926 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4927 case TYPE_UCHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4928 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4929 unsigned int arg = a.arg[dp->arg_index].a.a_uchar; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4930 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4931 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4932 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4933 case TYPE_SHORT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4934 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4935 int arg = a.arg[dp->arg_index].a.a_short; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4936 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4937 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4938 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4939 case TYPE_USHORT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4940 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4941 unsigned int arg = a.arg[dp->arg_index].a.a_ushort; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4942 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4943 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4944 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4945 case TYPE_INT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4946 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4947 int arg = a.arg[dp->arg_index].a.a_int; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4948 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4949 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4950 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4951 case TYPE_UINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4952 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4953 unsigned int arg = a.arg[dp->arg_index].a.a_uint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4954 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4955 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4956 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4957 case TYPE_LONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4958 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4959 long int arg = a.arg[dp->arg_index].a.a_longint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4960 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4961 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4962 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4963 case TYPE_ULONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4964 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4965 unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4966 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4967 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4968 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4969 #if HAVE_LONG_LONG_INT |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4970 case TYPE_LONGLONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4971 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4972 long long int arg = a.arg[dp->arg_index].a.a_longlongint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4973 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4974 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4975 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4976 case TYPE_ULONGLONGINT: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4977 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4978 unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4979 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4980 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4981 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4982 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4983 case TYPE_DOUBLE: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4984 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4985 double arg = a.arg[dp->arg_index].a.a_double; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4986 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4987 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4988 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4989 case TYPE_LONGDOUBLE: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4990 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4991 long double arg = a.arg[dp->arg_index].a.a_longdouble; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4992 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4993 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4994 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4995 case TYPE_CHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4996 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4997 int arg = a.arg[dp->arg_index].a.a_char; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4998 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4999 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5000 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
5001 #if HAVE_WINT_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5002 case TYPE_WIDE_CHAR: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5003 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5004 wint_t arg = a.arg[dp->arg_index].a.a_wide_char; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5005 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5006 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5007 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5008 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5009 case TYPE_STRING: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5010 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5011 const char *arg = a.arg[dp->arg_index].a.a_string; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5012 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5013 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5014 break; |
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
5015 #if HAVE_WCHAR_T |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5016 case TYPE_WIDE_STRING: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5017 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5018 const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5019 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5020 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5021 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5022 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5023 case TYPE_POINTER: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5024 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5025 void *arg = a.arg[dp->arg_index].a.a_pointer; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5026 SNPRINTF_BUF (arg); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5027 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5028 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5029 default: |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5030 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5031 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5032 |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5033 #if USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5034 /* Portability: Not all implementations of snprintf() |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5035 are ISO C 99 compliant. Determine the number of |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5036 bytes that snprintf() has produced or would have |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5037 produced. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5038 if (count >= 0) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5039 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5040 /* Verify that snprintf() has NUL-terminated its |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5041 result. */ |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5042 if (count < maxlen |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5043 && ((TCHAR_T *) (result + length)) [count] != '\0') |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5044 abort (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5045 /* Portability hack. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5046 if (retcount > count) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5047 count = retcount; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5048 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5049 else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5050 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5051 /* snprintf() doesn't understand the '%n' |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5052 directive. */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5053 if (fbp[1] != '\0') |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5054 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5055 /* Don't use the '%n' directive; instead, look |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5056 at the snprintf() return value. */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5057 fbp[1] = '\0'; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5058 continue; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5059 } |
4801
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5060 else |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5061 { |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5062 /* Look at the snprintf() return value. */ |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5063 if (retcount < 0) |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5064 { |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5065 /* HP-UX 10.20 snprintf() is doubly deficient: |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5066 It doesn't understand the '%n' directive, |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5067 *and* it returns -1 (rather than the length |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5068 that would have been required) when the |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5069 buffer is too small. */ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5070 size_t bigger_need = |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5071 xsum (xtimes (allocated, 2), 12); |
4801
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5072 ENSURE_ALLOCATION (bigger_need); |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5073 continue; |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5074 } |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5075 else |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5076 count = retcount; |
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
5077 } |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5078 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5079 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5080 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5081 /* Attempt to handle failure. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5082 if (count < 0) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5083 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5084 if (!(result == resultbuf || result == NULL)) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5085 free (result); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5086 if (buf_malloced != NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5087 free (buf_malloced); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5088 CLEANUP (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5089 errno = EINVAL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5090 return NULL; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5091 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5092 |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5093 #if USE_SNPRINTF |
9439
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
5094 /* Handle overflow of the allocated buffer. |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
5095 If such an overflow occurs, a C99 compliant snprintf() |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
5096 returns a count >= maxlen. However, a non-compliant |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
5097 snprintf() function returns only count = maxlen - 1. To |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
5098 cover both cases, test whether count >= maxlen - 1. */ |
9d292d1d891c
Fix detection of overflow: don't assume that snprintf is C99 compliant.
Bruno Haible <bruno@clisp.org>
parents:
9438
diff
changeset
|
5099 if ((unsigned int) count + 1 >= maxlen) |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
5100 { |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5101 /* If maxlen already has attained its allowed maximum, |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5102 allocating more memory will not increase maxlen. |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5103 Instead of looping, bail out. */ |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5104 if (maxlen == INT_MAX / TCHARS_PER_DCHAR) |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5105 goto overflow; |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5106 else |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5107 { |
9461
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5108 /* Need at least (count + 1) * sizeof (TCHAR_T) |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5109 bytes. (The +1 is for the trailing NUL.) |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5110 But ask for (count + 2) * sizeof (TCHAR_T) |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5111 bytes, so that in the next round, we likely get |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5112 maxlen > (unsigned int) count + 1 |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5113 and so we don't get here again. |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5114 And allocate proportionally, to avoid looping |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5115 eternally if snprintf() reports a too small |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5116 count. */ |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5117 size_t n = |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5118 xmax (xsum (length, |
9461
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5119 ((unsigned int) count + 2 |
c6d483077434
Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents:
9454
diff
changeset
|
5120 + TCHARS_PER_DCHAR - 1) |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5121 / TCHARS_PER_DCHAR), |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5122 xtimes (allocated, 2)); |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
5123 |
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5124 ENSURE_ALLOCATION (n); |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5125 continue; |
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
5126 } |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5127 } |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
5128 #endif |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5129 |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5130 #if NEED_PRINTF_UNBOUNDED_PRECISION |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5131 if (prec_ourselves) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5132 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5133 /* Handle the precision. */ |
9651
cee38e50f29c
vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents:
9646
diff
changeset
|
5134 TCHAR_T *prec_ptr = |
9446
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5135 # if USE_SNPRINTF |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5136 (TCHAR_T *) (result + length); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5137 # else |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5138 tmp; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5139 # endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5140 size_t prefix_count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5141 size_t move; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5142 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5143 prefix_count = 0; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5144 /* Put the additional zeroes after the sign. */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5145 if (count >= 1 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5146 && (*prec_ptr == '-' || *prec_ptr == '+' |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5147 || *prec_ptr == ' ')) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5148 prefix_count = 1; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5149 /* Put the additional zeroes after the 0x prefix if |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5150 (flags & FLAG_ALT) || (dp->conversion == 'p'). */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5151 else if (count >= 2 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5152 && prec_ptr[0] == '0' |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5153 && (prec_ptr[1] == 'x' || prec_ptr[1] == 'X')) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5154 prefix_count = 2; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5155 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5156 move = count - prefix_count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5157 if (precision > move) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5158 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5159 /* Insert zeroes. */ |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5160 size_t insert = precision - move; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5161 TCHAR_T *prec_end; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5162 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5163 # if USE_SNPRINTF |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5164 size_t n = |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5165 xsum (length, |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5166 (count + insert + TCHARS_PER_DCHAR - 1) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5167 / TCHARS_PER_DCHAR); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5168 length += (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5169 ENSURE_ALLOCATION (n); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5170 length -= (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5171 prec_ptr = (TCHAR_T *) (result + length); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5172 # endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5173 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5174 prec_end = prec_ptr + count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5175 prec_ptr += prefix_count; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5176 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5177 while (prec_end > prec_ptr) |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5178 { |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5179 prec_end--; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5180 prec_end[insert] = prec_end[0]; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5181 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5182 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5183 prec_end += insert; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5184 do |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5185 *--prec_end = '0'; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5186 while (prec_end > prec_ptr); |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5187 |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5188 count += insert; |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5189 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5190 } |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5191 #endif |
0519fc8ce06a
Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents:
9445
diff
changeset
|
5192 |
9834 | 5193 #if !USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5194 if (count >= tmp_length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5195 /* tmp_length was incorrectly calculated - fix the |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5196 code above! */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5197 abort (); |
9834 | 5198 #endif |
5199 | |
5200 #if !DCHAR_IS_TCHAR | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5201 /* Convert from TCHAR_T[] to DCHAR_T[]. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5202 if (dp->conversion == 'c' || dp->conversion == 's') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5203 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5204 /* type = TYPE_CHAR or TYPE_WIDE_CHAR or TYPE_STRING |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5205 TYPE_WIDE_STRING. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5206 The result string is not certainly ASCII. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5207 const TCHAR_T *tmpsrc; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5208 DCHAR_T *tmpdst; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5209 size_t tmpdst_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5210 /* This code assumes that TCHAR_T is 'char'. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5211 typedef int TCHAR_T_verify |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5212 [2 * (sizeof (TCHAR_T) == 1) - 1]; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5213 # if USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5214 tmpsrc = (TCHAR_T *) (result + length); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5215 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5216 tmpsrc = tmp; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5217 # endif |
11511
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5218 tmpdst = |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5219 DCHAR_CONV_FROM_ENCODING (locale_charset (), |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5220 iconveh_question_mark, |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5221 tmpsrc, count, |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5222 NULL, |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5223 NULL, &tmpdst_len); |
d604b921ed8d
Simplify calling convention of u*_conv_from_encoding.
Bruno Haible <bruno@clisp.org>
parents:
11509
diff
changeset
|
5224 if (tmpdst == NULL) |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5225 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5226 int saved_errno = errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5227 if (!(result == resultbuf || result == NULL)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5228 free (result); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5229 if (buf_malloced != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5230 free (buf_malloced); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5231 CLEANUP (); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5232 errno = saved_errno; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5233 return NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5234 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5235 ENSURE_ALLOCATION (xsum (length, tmpdst_len)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5236 DCHAR_CPY (result + length, tmpdst, tmpdst_len); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5237 free (tmpdst); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5238 count = tmpdst_len; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5239 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5240 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5241 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5242 /* The result string is ASCII. |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5243 Simple 1:1 conversion. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5244 # if USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5245 /* If sizeof (DCHAR_T) == sizeof (TCHAR_T), it's a |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5246 no-op conversion, in-place on the array starting |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5247 at (result + length). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5248 if (sizeof (DCHAR_T) != sizeof (TCHAR_T)) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5249 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5250 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5251 const TCHAR_T *tmpsrc; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5252 DCHAR_T *tmpdst; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5253 size_t n; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5254 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5255 # if USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5256 if (result == resultbuf) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5257 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5258 tmpsrc = (TCHAR_T *) (result + length); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5259 /* ENSURE_ALLOCATION will not move tmpsrc |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5260 (because it's part of resultbuf). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5261 ENSURE_ALLOCATION (xsum (length, count)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5262 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5263 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5264 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5265 /* ENSURE_ALLOCATION will move the array |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5266 (because it uses realloc(). */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5267 ENSURE_ALLOCATION (xsum (length, count)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5268 tmpsrc = (TCHAR_T *) (result + length); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5269 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5270 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5271 tmpsrc = tmp; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5272 ENSURE_ALLOCATION (xsum (length, count)); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5273 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5274 tmpdst = result + length; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5275 /* Copy backwards, because of overlapping. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5276 tmpsrc += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5277 tmpdst += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5278 for (n = count; n > 0; n--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5279 *--tmpdst = (unsigned char) *--tmpsrc; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5280 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5281 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5282 #endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5283 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5284 #if DCHAR_IS_TCHAR && !USE_SNPRINTF |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5285 /* Make room for the result. */ |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5286 if (count > allocated - length) |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5287 { |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5288 /* Need at least count elements. But allocate |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5289 proportionally. */ |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5290 size_t n = |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5291 xmax (xsum (length, count), xtimes (allocated, 2)); |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5292 |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5293 ENSURE_ALLOCATION (n); |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
5294 } |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5295 #endif |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5296 |
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5297 /* Here count <= allocated - length. */ |
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
5298 |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5299 /* Perform padding. */ |
9674
b69f1141e94f
Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents:
9672
diff
changeset
|
5300 #if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5301 if (pad_ourselves && has_width) |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5302 { |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5303 size_t w; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5304 # if ENABLE_UNISTDIO |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5305 /* Outside POSIX, it's preferrable to compare the width |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5306 against the number of _characters_ of the converted |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5307 value. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5308 w = DCHAR_MBSNLEN (result + length, count); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5309 # else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5310 /* The width is compared against the number of _bytes_ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5311 of the converted value, says POSIX. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5312 w = count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5313 # endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5314 if (w < width) |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5315 { |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5316 size_t pad = width - w; |
9834 | 5317 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5318 /* Make room for the result. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5319 if (xsum (count, pad) > allocated - length) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5320 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5321 /* Need at least count + pad elements. But |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5322 allocate proportionally. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5323 size_t n = |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5324 xmax (xsum3 (length, count, pad), |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5325 xtimes (allocated, 2)); |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5326 |
9834 | 5327 # if USE_SNPRINTF |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5328 length += count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5329 ENSURE_ALLOCATION (n); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5330 length -= count; |
9834 | 5331 # else |
5332 ENSURE_ALLOCATION (n); | |
5333 # endif | |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5334 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5335 /* Here count + pad <= allocated - length. */ |
9834 | 5336 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5337 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5338 # if !DCHAR_IS_TCHAR || USE_SNPRINTF |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5339 DCHAR_T * const rp = result + length; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5340 # else |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5341 DCHAR_T * const rp = tmp; |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5342 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5343 DCHAR_T *p = rp + count; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5344 DCHAR_T *end = p + pad; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5345 DCHAR_T *pad_ptr; |
9827
32d08ee66484
Fix a bug in unistdio routines, introduced on 2007-06-10.
Bruno Haible <bruno@clisp.org>
parents:
9676
diff
changeset
|
5346 # if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5347 if (dp->conversion == 'c' |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5348 || dp->conversion == 's') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5349 /* No zero-padding for string directives. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5350 pad_ptr = NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5351 else |
9672
c0fb9d4d860d
Fix bug introduced on 2007-06-10.
Bruno Haible <bruno@clisp.org>
parents:
9651
diff
changeset
|
5352 # endif |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5353 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5354 pad_ptr = (*rp == '-' ? rp + 1 : rp); |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5355 /* No zero-padding of "inf" and "nan". */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5356 if ((*pad_ptr >= 'A' && *pad_ptr <= 'Z') |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5357 || (*pad_ptr >= 'a' && *pad_ptr <= 'z')) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5358 pad_ptr = NULL; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5359 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5360 /* The generated string now extends from rp to p, |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5361 with the zero padding insertion point being at |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5362 pad_ptr. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5363 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5364 count = count + pad; /* = end - rp */ |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5365 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5366 if (flags & FLAG_LEFT) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5367 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5368 /* Pad with spaces on the right. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5369 for (; pad > 0; pad--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5370 *p++ = ' '; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5371 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5372 else if ((flags & FLAG_ZERO) && pad_ptr != NULL) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5373 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5374 /* Pad with zeroes. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5375 DCHAR_T *q = end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5376 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5377 while (p > pad_ptr) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5378 *--q = *--p; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5379 for (; pad > 0; pad--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5380 *p++ = '0'; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5381 } |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5382 else |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5383 { |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5384 /* Pad with spaces on the left. */ |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5385 DCHAR_T *q = end; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5386 |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5387 while (p > rp) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5388 *--q = *--p; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5389 for (; pad > 0; pad--) |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5390 *p++ = ' '; |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5391 } |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5392 } |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5393 } |
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5394 } |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5395 #endif |
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
5396 |
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
5397 /* Here still count <= allocated - length. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5398 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5399 #if !DCHAR_IS_TCHAR || USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5400 /* The snprintf() result did fit. */ |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5401 #else |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5402 /* Append the sprintf() result. */ |
8961 | 5403 memcpy (result + length, tmp, count * sizeof (DCHAR_T)); |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5404 #endif |
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5405 #if !USE_SNPRINTF |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5406 if (tmp != tmpbuf) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5407 free (tmp); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5408 #endif |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5409 |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5410 #if NEED_PRINTF_DIRECTIVE_F |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5411 if (dp->conversion == 'F') |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5412 { |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5413 /* Convert the %f result to upper case for %F. */ |
8961 | 5414 DCHAR_T *rp = result + length; |
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5415 size_t rc; |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5416 for (rc = count; rc > 0; rc--, rp++) |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5417 if (*rp >= 'a' && *rp <= 'z') |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5418 *rp = *rp - 'a' + 'A'; |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5419 } |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5420 #endif |
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
5421 |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5422 length += count; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5423 break; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5424 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5425 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5426 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5427 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5428 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5429 /* Add the final NUL. */ |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5430 ENSURE_ALLOCATION (xsum (length, 1)); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5431 result[length] = '\0'; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5432 |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5433 if (result != resultbuf && length + 1 < allocated) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5434 { |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5435 /* Shrink the allocated memory if possible. */ |
8961 | 5436 DCHAR_T *memory; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5437 |
8961 | 5438 memory = (DCHAR_T *) realloc (result, (length + 1) * sizeof (DCHAR_T)); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5439 if (memory != NULL) |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5440 result = memory; |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5441 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5442 |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5443 if (buf_malloced != NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5444 free (buf_malloced); |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5445 CLEANUP (); |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5446 *lengthp = length; |
7218
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
5447 /* Note that we can produce a big string of a length > INT_MAX. POSIX |
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
5448 says that snprintf() fails with errno = EOVERFLOW in this case, but |
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
5449 that's only because snprintf() returns an 'int'. This function does |
0fd12ba5cfc6
Do the INT_MAX check only where size_t is converted to 'int'.
Bruno Haible <bruno@clisp.org>
parents:
6583
diff
changeset
|
5450 not have this limitation. */ |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5451 return result; |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5452 |
9651
cee38e50f29c
vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents:
9646
diff
changeset
|
5453 #if USE_SNPRINTF |
8468
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5454 overflow: |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5455 if (!(result == resultbuf || result == NULL)) |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5456 free (result); |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5457 if (buf_malloced != NULL) |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5458 free (buf_malloced); |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5459 CLEANUP (); |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5460 errno = EOVERFLOW; |
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5461 return NULL; |
9651
cee38e50f29c
vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents:
9646
diff
changeset
|
5462 #endif |
8468
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
5463 |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5464 out_of_memory: |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5465 if (!(result == resultbuf || result == NULL)) |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5466 free (result); |
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5467 if (buf_malloced != NULL) |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5468 free (buf_malloced); |
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
5469 out_of_memory_1: |
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5470 CLEANUP (); |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5471 errno = ENOMEM; |
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
5472 return NULL; |
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5473 } |
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
5474 } |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5475 |
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
5476 #undef TCHARS_PER_DCHAR |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5477 #undef SNPRINTF |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5478 #undef USE_SNPRINTF |
11804
73f84ac92381
Undefine DCHAR_SET after use.
Bruno Haible <bruno@clisp.org>
parents:
11511
diff
changeset
|
5479 #undef DCHAR_SET |
9450
9928de4bfe8a
Undefine two macros after they are not needed any more.
Bruno Haible <bruno@clisp.org>
parents:
9446
diff
changeset
|
5480 #undef DCHAR_CPY |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5481 #undef PRINTF_PARSE |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5482 #undef DIRECTIVES |
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5483 #undef DIRECTIVE |
9450
9928de4bfe8a
Undefine two macros after they are not needed any more.
Bruno Haible <bruno@clisp.org>
parents:
9446
diff
changeset
|
5484 #undef DCHAR_IS_TCHAR |
8961 | 5485 #undef TCHAR_T |
5486 #undef DCHAR_T | |
5487 #undef FCHAR_T | |
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
5488 #undef VASNPRINTF |