Mercurial > hg > octave-nkf > gnulib-hg
annotate lib/vasnprintf.c @ 9442:ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 03 Nov 2007 16:52:20 +0100 |
| parents | 9d292d1d891c |
| children | e0f2eeb1796a |
| rev | line source |
|---|---|
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1 /* vsprintf with automatic memory allocation. |
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2 Copyright (C) 1999, 2002-2007 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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*** empty log message ***
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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 "isnan.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 && !defined IN_LIBINTL |
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108 # include <math.h> |
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109 # include "isnan.h" |
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111 # include "isnanl-nolibm.h" |
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112 # include "printf-frexpl.h" |
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113 # include "fpucw.h" |
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114 #endif |
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115 |
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116 /* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */ |
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117 #ifndef EOVERFLOW |
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118 # define EOVERFLOW E2BIG |
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119 #endif |
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120 |
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121 #if HAVE_WCHAR_T |
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122 # if HAVE_WCSLEN |
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123 # define local_wcslen wcslen |
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124 # else |
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125 /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid |
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126 a dependency towards this library, here is a local substitute. |
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127 Define this substitute only once, even if this file is included |
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128 twice in the same compilation unit. */ |
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129 # ifndef local_wcslen_defined |
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130 # define local_wcslen_defined 1 |
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131 static size_t |
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132 local_wcslen (const wchar_t *s) |
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133 { |
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134 const wchar_t *ptr; |
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135 |
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136 for (ptr = s; *ptr != (wchar_t) 0; ptr++) |
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137 ; |
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138 return ptr - s; |
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139 } |
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140 # endif |
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141 # endif |
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142 #endif |
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143 |
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144 /* Default parameters. */ |
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145 #ifndef VASNPRINTF |
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146 # if WIDE_CHAR_VERSION |
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147 # define VASNPRINTF vasnwprintf |
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148 # define FCHAR_T wchar_t |
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149 # define DCHAR_T wchar_t |
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150 # define TCHAR_T wchar_t |
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151 # define DCHAR_IS_TCHAR 1 |
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152 # define DIRECTIVE wchar_t_directive |
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153 # define DIRECTIVES wchar_t_directives |
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154 # define PRINTF_PARSE wprintf_parse |
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155 # define DCHAR_CPY wmemcpy |
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156 # else |
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157 # define VASNPRINTF vasnprintf |
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158 # define FCHAR_T char |
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159 # define DCHAR_T char |
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160 # define TCHAR_T char |
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161 # define DCHAR_IS_TCHAR 1 |
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162 # define DIRECTIVE char_directive |
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163 # define DIRECTIVES char_directives |
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164 # define PRINTF_PARSE printf_parse |
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165 # define DCHAR_CPY memcpy |
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166 # endif |
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167 #endif |
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168 #if WIDE_CHAR_VERSION |
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169 /* TCHAR_T is wchar_t. */ |
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170 # define USE_SNPRINTF 1 |
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171 # if HAVE_DECL__SNWPRINTF |
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172 /* On Windows, the function swprintf() has a different signature than |
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173 on Unix; we use the _snwprintf() function instead. */ |
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174 # define SNPRINTF _snwprintf |
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175 # else |
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176 /* Unix. */ |
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177 # define SNPRINTF swprintf |
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178 # endif |
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179 #else |
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180 /* TCHAR_T is char. */ |
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181 # /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'. |
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182 But don't use it on BeOS, since BeOS snprintf produces no output if the |
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183 size argument is >= 0x3000000. */ |
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184 # if (HAVE_DECL__SNPRINTF || HAVE_SNPRINTF) && !defined __BEOS__ |
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185 # define USE_SNPRINTF 1 |
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186 # else |
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187 # define USE_SNPRINTF 0 |
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188 # endif |
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189 # if HAVE_DECL__SNPRINTF |
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190 /* Windows. */ |
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191 # define SNPRINTF _snprintf |
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192 # else |
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193 /* Unix. */ |
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194 # define SNPRINTF snprintf |
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195 /* Here we need to call the native snprintf, not rpl_snprintf. */ |
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196 # undef snprintf |
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197 # endif |
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198 #endif |
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199 /* Here we need to call the native sprintf, not rpl_sprintf. */ |
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200 #undef sprintf |
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201 |
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202 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL |
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203 /* Determine the decimal-point character according to the current locale. */ |
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204 # ifndef decimal_point_char_defined |
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205 # define decimal_point_char_defined 1 |
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206 static char |
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207 decimal_point_char () |
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208 { |
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209 const char *point; |
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210 /* Determine it in a multithread-safe way. We know nl_langinfo is |
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211 multithread-safe on glibc systems, but is not required to be multithread- |
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212 safe by POSIX. sprintf(), however, is multithread-safe. localeconv() |
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213 is rarely multithread-safe. */ |
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214 # if HAVE_NL_LANGINFO && __GLIBC__ |
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215 point = nl_langinfo (RADIXCHAR); |
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216 # elif 1 |
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217 char pointbuf[5]; |
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218 sprintf (pointbuf, "%#.0f", 1.0); |
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219 point = &pointbuf[1]; |
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220 # else |
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221 point = localeconv () -> decimal_point; |
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222 # endif |
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223 /* The decimal point is always a single byte: either '.' or ','. */ |
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224 return (point[0] != '\0' ? point[0] : '.'); |
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225 } |
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226 # endif |
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227 #endif |
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228 |
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229 #if NEED_PRINTF_INFINITE_DOUBLE && !NEED_PRINTF_DOUBLE && !defined IN_LIBINTL |
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230 |
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231 /* Equivalent to !isfinite(x) || x == 0, but does not require libm. */ |
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232 static int |
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233 is_infinite_or_zero (double x) |
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234 { |
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235 return isnan (x) || x + x == x; |
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236 } |
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237 |
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238 #endif |
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239 |
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240 #if NEED_PRINTF_INFINITE_LONG_DOUBLE && !NEED_PRINTF_LONG_DOUBLE && !defined IN_LIBINTL |
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241 |
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242 /* Equivalent to !isfinite(x), but does not require libm. */ |
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243 static int |
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244 is_infinitel (long double x) |
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245 { |
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246 return isnanl (x) || (x + x == x && x != 0.0L); |
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247 } |
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248 |
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249 #endif |
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250 |
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251 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL |
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252 |
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253 /* Converting 'long double' to decimal without rare rounding bugs requires |
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254 real bignums. We use the naming conventions of GNU gmp, but vastly simpler |
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255 (and slower) algorithms. */ |
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256 |
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257 typedef unsigned int mp_limb_t; |
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258 # define GMP_LIMB_BITS 32 |
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259 typedef int mp_limb_verify[2 * (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS) - 1]; |
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260 |
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261 typedef unsigned long long mp_twolimb_t; |
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262 # define GMP_TWOLIMB_BITS 64 |
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263 typedef int mp_twolimb_verify[2 * (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS) - 1]; |
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264 |
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265 /* Representation of a bignum >= 0. */ |
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266 typedef struct |
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267 { |
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268 size_t nlimbs; |
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269 mp_limb_t *limbs; /* Bits in little-endian order, allocated with malloc(). */ |
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270 } mpn_t; |
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271 |
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272 /* Compute the product of two bignums >= 0. |
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273 Return the allocated memory in case of success, NULL in case of memory |
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274 allocation failure. */ |
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275 static void * |
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276 multiply (mpn_t src1, mpn_t src2, mpn_t *dest) |
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277 { |
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278 const mp_limb_t *p1; |
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279 const mp_limb_t *p2; |
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280 size_t len1; |
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281 size_t len2; |
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282 |
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283 if (src1.nlimbs <= src2.nlimbs) |
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284 { |
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285 len1 = src1.nlimbs; |
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286 p1 = src1.limbs; |
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287 len2 = src2.nlimbs; |
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288 p2 = src2.limbs; |
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289 } |
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290 else |
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291 { |
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292 len1 = src2.nlimbs; |
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293 p1 = src2.limbs; |
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294 len2 = src1.nlimbs; |
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295 p2 = src1.limbs; |
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296 } |
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297 /* Now 0 <= len1 <= len2. */ |
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298 if (len1 == 0) |
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299 { |
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300 /* src1 or src2 is zero. */ |
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301 dest->nlimbs = 0; |
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302 dest->limbs = (mp_limb_t *) malloc (1); |
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303 } |
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304 else |
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305 { |
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306 /* Here 1 <= len1 <= len2. */ |
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307 size_t dlen; |
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308 mp_limb_t *dp; |
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309 size_t k, i, j; |
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310 |
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311 dlen = len1 + len2; |
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312 dp = (mp_limb_t *) malloc (dlen * sizeof (mp_limb_t)); |
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313 if (dp == NULL) |
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314 return NULL; |
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315 for (k = len2; k > 0; ) |
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316 dp[--k] = 0; |
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317 for (i = 0; i < len1; i++) |
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318 { |
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319 mp_limb_t digit1 = p1[i]; |
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320 mp_twolimb_t carry = 0; |
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321 for (j = 0; j < len2; j++) |
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322 { |
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323 mp_limb_t digit2 = p2[j]; |
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324 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2; |
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325 carry += dp[i + j]; |
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326 dp[i + j] = (mp_limb_t) carry; |
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327 carry = carry >> GMP_LIMB_BITS; |
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328 } |
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329 dp[i + len2] = (mp_limb_t) carry; |
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330 } |
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331 /* Normalise. */ |
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332 while (dlen > 0 && dp[dlen - 1] == 0) |
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333 dlen--; |
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334 dest->nlimbs = dlen; |
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335 dest->limbs = dp; |
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336 } |
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337 return dest->limbs; |
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338 } |
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339 |
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340 /* Compute the quotient of a bignum a >= 0 and a bignum b > 0. |
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341 a is written as a = q * b + r with 0 <= r < b. q is the quotient, r |
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342 the remainder. |
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343 Finally, round-to-even is performed: If r > b/2 or if r = b/2 and q is odd, |
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344 q is incremented. |
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345 Return the allocated memory in case of success, NULL in case of memory |
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346 allocation failure. */ |
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347 static void * |
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348 divide (mpn_t a, mpn_t b, mpn_t *q) |
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349 { |
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350 /* Algorithm: |
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351 First normalise a and b: a=[a[m-1],...,a[0]], b=[b[n-1],...,b[0]] |
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352 with m>=0 and n>0 (in base beta = 2^GMP_LIMB_BITS). |
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353 If m<n, then q:=0 and r:=a. |
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354 If m>=n=1, perform a single-precision division: |
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355 r:=0, j:=m, |
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356 while j>0 do |
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357 {Here (q[m-1]*beta^(m-1)+...+q[j]*beta^j) * b[0] + r*beta^j = |
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358 = a[m-1]*beta^(m-1)+...+a[j]*beta^j und 0<=r<b[0]<beta} |
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359 j:=j-1, r:=r*beta+a[j], q[j]:=floor(r/b[0]), r:=r-b[0]*q[j]. |
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360 Normalise [q[m-1],...,q[0]], yields q. |
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361 If m>=n>1, perform a multiple-precision division: |
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362 We have a/b < beta^(m-n+1). |
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363 s:=intDsize-1-(hightest bit in b[n-1]), 0<=s<intDsize. |
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364 Shift a and b left by s bits, copying them. r:=a. |
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365 r=[r[m],...,r[0]], b=[b[n-1],...,b[0]] with b[n-1]>=beta/2. |
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366 For j=m-n,...,0: {Here 0 <= r < b*beta^(j+1).} |
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367 Compute q* : |
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368 q* := floor((r[j+n]*beta+r[j+n-1])/b[n-1]). |
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369 In case of overflow (q* >= beta) set q* := beta-1. |
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370 Compute c2 := ((r[j+n]*beta+r[j+n-1]) - q* * b[n-1])*beta + r[j+n-2] |
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371 and c3 := b[n-2] * q*. |
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372 {We have 0 <= c2 < 2*beta^2, even 0 <= c2 < beta^2 if no overflow |
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373 occurred. Furthermore 0 <= c3 < beta^2. |
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374 If there was overflow and |
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375 r[j+n]*beta+r[j+n-1] - q* * b[n-1] >= beta, i.e. c2 >= beta^2, |
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376 the next test can be skipped.} |
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377 While c3 > c2, {Here 0 <= c2 < c3 < beta^2} |
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378 Put q* := q* - 1, c2 := c2 + b[n-1]*beta, c3 := c3 - b[n-2]. |
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379 If q* > 0: |
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380 Put r := r - b * q* * beta^j. In detail: |
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381 [r[n+j],...,r[j]] := [r[n+j],...,r[j]] - q* * [b[n-1],...,b[0]]. |
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382 hence: u:=0, for i:=0 to n-1 do |
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383 u := u + q* * b[i], |
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384 r[j+i]:=r[j+i]-(u mod beta) (+ beta, if carry), |
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385 u:=u div beta (+ 1, if carry in subtraction) |
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386 r[n+j]:=r[n+j]-u. |
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387 {Since always u = (q* * [b[i-1],...,b[0]] div beta^i) + 1 |
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388 < q* + 1 <= beta, |
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389 the carry u does not overflow.} |
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390 If a negative carry occurs, put q* := q* - 1 |
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391 and [r[n+j],...,r[j]] := [r[n+j],...,r[j]] + [0,b[n-1],...,b[0]]. |
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392 Set q[j] := q*. |
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393 Normalise [q[m-n],..,q[0]]; this yields the quotient q. |
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394 Shift [r[n-1],...,r[0]] right by s bits and normalise; this yields the |
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395 rest r. |
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396 The room for q[j] can be allocated at the memory location of r[n+j]. |
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397 Finally, round-to-even: |
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398 Shift r left by 1 bit. |
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399 If r > b or if r = b and q[0] is odd, q := q+1. |
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400 */ |
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401 const mp_limb_t *a_ptr = a.limbs; |
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402 size_t a_len = a.nlimbs; |
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403 const mp_limb_t *b_ptr = b.limbs; |
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404 size_t b_len = b.nlimbs; |
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405 mp_limb_t *roomptr; |
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406 mp_limb_t *tmp_roomptr = NULL; |
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407 mp_limb_t *q_ptr; |
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408 size_t q_len; |
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409 mp_limb_t *r_ptr; |
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410 size_t r_len; |
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411 |
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412 /* Allocate room for a_len+2 digits. |
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413 (Need a_len+1 digits for the real division and 1 more digit for the |
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414 final rounding of q.) */ |
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415 roomptr = (mp_limb_t *) malloc ((a_len + 2) * sizeof (mp_limb_t)); |
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416 if (roomptr == NULL) |
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417 return NULL; |
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418 |
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419 /* Normalise a. */ |
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420 while (a_len > 0 && a_ptr[a_len - 1] == 0) |
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421 a_len--; |
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422 |
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423 /* Normalise b. */ |
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424 for (;;) |
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425 { |
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426 if (b_len == 0) |
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427 /* Division by zero. */ |
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428 abort (); |
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429 if (b_ptr[b_len - 1] == 0) |
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430 b_len--; |
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431 else |
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432 break; |
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433 } |
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434 |
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435 /* Here m = a_len >= 0 and n = b_len > 0. */ |
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436 |
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parents:
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diff
changeset
|
437 if (a_len < b_len) |
|
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Add support for 'long double' number output.
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diff
changeset
|
438 { |
|
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Add support for 'long double' number output.
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diff
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|
439 /* m<n: trivial case. q=0, r := copy of a. */ |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
440 r_ptr = roomptr; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
441 r_len = a_len; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
442 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
|
443 q_ptr = roomptr + a_len; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
444 q_len = 0; |
|
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Add support for 'long double' number output.
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diff
changeset
|
445 } |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
446 else if (b_len == 1) |
|
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Add support for 'long double' number output.
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diff
changeset
|
447 { |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
448 /* n=1: single precision division. |
|
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Add support for 'long double' number output.
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diff
changeset
|
449 beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */ |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
450 r_ptr = roomptr; |
|
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Add support for 'long double' number output.
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diff
changeset
|
451 q_ptr = roomptr + 1; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
452 { |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
453 mp_limb_t den = b_ptr[0]; |
|
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Add support for 'long double' number output.
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diff
changeset
|
454 mp_limb_t remainder = 0; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
455 const mp_limb_t *sourceptr = a_ptr + a_len; |
|
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Add support for 'long double' number output.
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diff
changeset
|
456 mp_limb_t *destptr = q_ptr + a_len; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
457 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
458 for (count = a_len; count > 0; count--) |
|
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Add support for 'long double' number output.
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diff
changeset
|
459 { |
|
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Add support for 'long double' number output.
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parents:
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changeset
|
460 mp_twolimb_t num = |
|
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diff
changeset
|
461 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--sourceptr; |
|
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diff
changeset
|
462 *--destptr = num / den; |
|
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|
463 remainder = num % den; |
|
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|
464 } |
|
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Add support for 'long double' number output.
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|
465 /* Normalise and store r. */ |
|
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|
466 if (remainder > 0) |
|
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Add support for 'long double' number output.
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changeset
|
467 { |
|
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changeset
|
468 r_ptr[0] = remainder; |
|
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|
469 r_len = 1; |
|
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|
470 } |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
471 else |
|
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diff
changeset
|
472 r_len = 0; |
|
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|
473 /* Normalise q. */ |
|
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changeset
|
474 q_len = a_len; |
|
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changeset
|
475 if (q_ptr[q_len - 1] == 0) |
|
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diff
changeset
|
476 q_len--; |
|
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Add support for 'long double' number output.
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diff
changeset
|
477 } |
|
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Add support for 'long double' number output.
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diff
changeset
|
478 } |
|
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Add support for 'long double' number output.
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diff
changeset
|
479 else |
|
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Add support for 'long double' number output.
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diff
changeset
|
480 { |
|
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Add support for 'long double' number output.
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diff
changeset
|
481 /* n>1: multiple precision division. |
|
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Add support for 'long double' number output.
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diff
changeset
|
482 beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==> |
|
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diff
changeset
|
483 beta^(m-n-1) <= a/b < beta^(m-n+1). */ |
|
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diff
changeset
|
484 /* Determine s. */ |
|
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changeset
|
485 size_t s; |
|
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diff
changeset
|
486 { |
|
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diff
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|
487 mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */ |
|
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diff
changeset
|
488 s = 31; |
|
1466c973f476
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diff
changeset
|
489 if (msd >= 0x10000) |
|
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Add support for 'long double' number output.
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diff
changeset
|
490 { |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
491 msd = msd >> 16; |
|
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diff
changeset
|
492 s -= 16; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
493 } |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
494 if (msd >= 0x100) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
495 { |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
496 msd = msd >> 8; |
|
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Add support for 'long double' number output.
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diff
changeset
|
497 s -= 8; |
|
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parents:
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diff
changeset
|
498 } |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
499 if (msd >= 0x10) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
500 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
501 msd = msd >> 4; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
502 s -= 4; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
503 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
504 if (msd >= 0x4) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
505 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
506 msd = msd >> 2; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
507 s -= 2; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
508 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
509 if (msd >= 0x2) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
510 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
511 msd = msd >> 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
512 s -= 1; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
513 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
514 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
515 /* 0 <= s < GMP_LIMB_BITS. |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
516 Copy b, shifting it left by s bits. */ |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
517 if (s > 0) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
518 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
519 tmp_roomptr = (mp_limb_t *) malloc (b_len * sizeof (mp_limb_t)); |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
520 if (tmp_roomptr == NULL) |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
521 { |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
522 free (roomptr); |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
523 return NULL; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
524 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
525 { |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
526 const mp_limb_t *sourceptr = b_ptr; |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
527 mp_limb_t *destptr = tmp_roomptr; |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
528 mp_twolimb_t accu = 0; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
529 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
530 for (count = b_len; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
531 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
532 accu += (mp_twolimb_t) *sourceptr++ << s; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
533 *destptr++ = (mp_limb_t) accu; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
534 accu = accu >> GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
535 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
536 /* accu must be zero, since that was how s was determined. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
537 if (accu != 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
538 abort (); |
|
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 b_ptr = tmp_roomptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
541 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
542 /* Copy a, shifting it left by s bits, yields r. |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
543 Memory layout: |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
544 At the beginning: r = roomptr[0..a_len], |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
545 at the end: r = roomptr[0..b_len-1], q = roomptr[b_len..a_len] */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
546 r_ptr = roomptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
547 if (s == 0) |
|
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 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t)); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
550 r_ptr[a_len] = 0; |
|
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 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
553 { |
|
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Add support for 'long double' number output.
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changeset
|
554 const mp_limb_t *sourceptr = a_ptr; |
|
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changeset
|
555 mp_limb_t *destptr = r_ptr; |
|
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changeset
|
556 mp_twolimb_t accu = 0; |
|
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Add support for 'long double' number output.
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557 size_t count; |
|
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Add support for 'long double' number output.
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|
558 for (count = a_len; count > 0; count--) |
|
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Add support for 'long double' number output.
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|
559 { |
|
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changeset
|
560 accu += (mp_twolimb_t) *sourceptr++ << s; |
|
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Add support for 'long double' number output.
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changeset
|
561 *destptr++ = (mp_limb_t) accu; |
|
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changeset
|
562 accu = accu >> GMP_LIMB_BITS; |
|
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changeset
|
563 } |
|
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Add support for 'long double' number output.
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changeset
|
564 *destptr++ = (mp_limb_t) accu; |
|
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|
565 } |
|
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diff
changeset
|
566 q_ptr = roomptr + b_len; |
|
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diff
changeset
|
567 q_len = a_len - b_len + 1; /* q will have m-n+1 limbs */ |
|
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diff
changeset
|
568 { |
|
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Add support for 'long double' number output.
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diff
changeset
|
569 size_t j = a_len - b_len; /* m-n */ |
|
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diff
changeset
|
570 mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */ |
|
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diff
changeset
|
571 mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */ |
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changeset
|
572 mp_twolimb_t b_msdd = /* b[n-1]*beta+b[n-2] */ |
|
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changeset
|
573 ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) | b_2msd; |
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changeset
|
574 /* Division loop, traversed m-n+1 times. |
|
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changeset
|
575 j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */ |
|
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changeset
|
576 for (;;) |
|
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|
577 { |
|
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|
578 mp_limb_t q_star; |
|
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changeset
|
579 mp_limb_t c1; |
|
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|
580 if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */ |
|
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diff
changeset
|
581 { |
|
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diff
changeset
|
582 /* Divide r[j+n]*beta+r[j+n-1] by b[n-1], no overflow. */ |
|
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diff
changeset
|
583 mp_twolimb_t num = |
|
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diff
changeset
|
584 ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS) |
|
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changeset
|
585 | r_ptr[j + b_len - 1]; |
|
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changeset
|
586 q_star = num / b_msd; |
|
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|
587 c1 = num % b_msd; |
|
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|
588 } |
|
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changeset
|
589 else |
|
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changeset
|
590 { |
|
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|
591 /* Overflow, hence r[j+n]*beta+r[j+n-1] >= beta*b[n-1]. */ |
|
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changeset
|
592 q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */ |
|
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changeset
|
593 /* Test whether r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] >= beta |
|
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changeset
|
594 <==> r[j+n]*beta+r[j+n-1] + b[n-1] >= beta*b[n-1]+beta |
|
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changeset
|
595 <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) |
|
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|
596 {<= beta !}. |
|
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|
597 If yes, jump directly to the subtraction loop. |
|
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|
598 (Otherwise, r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] < beta |
|
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diff
changeset
|
599 <==> floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) */ |
|
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changeset
|
600 if (r_ptr[j + b_len] > b_msd |
|
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diff
changeset
|
601 || (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd) |
|
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diff
changeset
|
602 /* r[j+n] >= b[n-1]+1 or |
|
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diff
changeset
|
603 r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a |
|
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diff
changeset
|
604 carry. */ |
|
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diff
changeset
|
605 goto subtract; |
|
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diff
changeset
|
606 } |
|
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diff
changeset
|
607 /* q_star = q*, |
|
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8831
diff
changeset
|
608 c1 = (r[j+n]*beta+r[j+n-1]) - q* * b[n-1] (>=0, <beta). */ |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
609 { |
|
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Add support for 'long double' number output.
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8831
diff
changeset
|
610 mp_twolimb_t c2 = /* c1*beta+r[j+n-2] */ |
|
1466c973f476
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8831
diff
changeset
|
611 ((mp_twolimb_t) c1 << GMP_LIMB_BITS) | r_ptr[j + b_len - 2]; |
|
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Add support for 'long double' number output.
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8831
diff
changeset
|
612 mp_twolimb_t c3 = /* b[n-2] * q* */ |
|
1466c973f476
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parents:
8831
diff
changeset
|
613 (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star; |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
614 /* While c2 < c3, increase c2 and decrease c3. |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
615 Consider c3-c2. While it is > 0, decrease it by |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
616 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
|
617 this can happen only twice. */ |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
618 if (c3 > c2) |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
619 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
620 q_star = q_star - 1; /* q* := q* - 1 */ |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
621 if (c3 - c2 > b_msdd) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
622 q_star = q_star - 1; /* q* := q* - 1 */ |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
623 } |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
624 } |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
625 if (q_star > 0) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
626 subtract: |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
627 { |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
628 /* Subtract r := r - b * q* * beta^j. */ |
|
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Add support for 'long double' number output.
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diff
changeset
|
629 mp_limb_t cr; |
|
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Add support for 'long double' number output.
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8831
diff
changeset
|
630 { |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
631 const mp_limb_t *sourceptr = b_ptr; |
|
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parents:
8831
diff
changeset
|
632 mp_limb_t *destptr = r_ptr + j; |
|
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parents:
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diff
changeset
|
633 mp_twolimb_t carry = 0; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
634 size_t count; |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
635 for (count = b_len; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
636 { |
|
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
637 /* Here 0 <= carry <= q*. */ |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
638 carry = |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
639 carry |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
640 + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++ |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
641 + (mp_limb_t) ~(*destptr); |
|
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parents:
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diff
changeset
|
642 /* Here 0 <= carry <= beta*q* + beta-1. */ |
|
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Add support for 'long double' number output.
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diff
changeset
|
643 *destptr++ = ~(mp_limb_t) carry; |
|
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8831
diff
changeset
|
644 carry = carry >> GMP_LIMB_BITS; /* <= q* */ |
|
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parents:
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diff
changeset
|
645 } |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
646 cr = (mp_limb_t) carry; |
|
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diff
changeset
|
647 } |
|
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
648 /* Subtract cr from r_ptr[j + b_len], then forget about |
|
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
649 r_ptr[j + b_len]. */ |
|
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
650 if (cr > r_ptr[j + b_len]) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
651 { |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
652 /* Subtraction gave a carry. */ |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
653 q_star = q_star - 1; /* q* := q* - 1 */ |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
654 /* Add b back. */ |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
655 { |
|
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Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
656 const mp_limb_t *sourceptr = b_ptr; |
|
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8831
diff
changeset
|
657 mp_limb_t *destptr = r_ptr + j; |
|
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diff
changeset
|
658 mp_limb_t carry = 0; |
|
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parents:
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diff
changeset
|
659 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
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8831
diff
changeset
|
660 for (count = b_len; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
661 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
662 mp_limb_t source1 = *sourceptr++; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
663 mp_limb_t source2 = *destptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
664 *destptr++ = source1 + source2 + carry; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
665 carry = |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
666 (carry |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
667 ? source1 >= (mp_limb_t) ~source2 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
668 : source1 > (mp_limb_t) ~source2); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
669 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
670 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
671 /* 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
|
672 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
673 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
674 /* 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
|
675 q_ptr[j] = q_star; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
676 if (j == 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
677 break; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
678 j--; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
679 } |
|
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 r_len = b_len; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
682 /* Normalise q. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
683 if (q_ptr[q_len - 1] == 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
684 q_len--; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
685 # 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
|
686 b is shifted left by s bits. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
687 /* Shift r right by s bits. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
688 if (s > 0) |
|
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.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
690 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
|
691 mp_twolimb_t accu = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
692 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
693 for (count = r_len; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
694 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
695 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
|
696 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
|
697 *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
|
698 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
699 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
700 # endif |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
701 /* Normalise r. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
702 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
|
703 r_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 /* Compare r << 1 with b. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
706 if (r_len > b_len) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
707 goto increment_q; |
|
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 size_t i; |
|
8835
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
710 for (i = b_len;;) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
711 { |
|
8835
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
712 mp_limb_t r_i = |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
713 (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
|
714 | (i < r_len ? r_ptr[i] << 1 : 0); |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
715 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
|
716 if (r_i > b_i) |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
717 goto increment_q; |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
718 if (r_i < b_i) |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
719 goto keep_q; |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
720 if (i == 0) |
|
c06bc412ffc3
Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents:
8832
diff
changeset
|
721 break; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
722 i--; |
|
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 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
725 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
|
726 /* q is odd. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
727 increment_q: |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
728 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
729 size_t i; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
730 for (i = 0; i < q_len; i++) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
731 if (++(q_ptr[i]) != 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
732 goto keep_q; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
733 q_ptr[q_len++] = 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
734 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
735 keep_q: |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
736 if (tmp_roomptr != NULL) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
737 free (tmp_roomptr); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
738 q->limbs = q_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
739 q->nlimbs = q_len; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
740 return roomptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
741 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
742 |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
743 /* 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
|
744 representation. |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
745 Destroys the contents of a. |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
746 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
|
747 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
|
748 of memory allocation failure. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
749 static char * |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
750 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
|
751 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
752 mp_limb_t *a_ptr = a.limbs; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
753 size_t a_len = a.nlimbs; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
754 /* 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
|
755 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
|
756 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
|
757 if (c_ptr != NULL) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
758 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
759 char *d_ptr = c_ptr; |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
760 for (; extra_zeroes > 0; extra_zeroes--) |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
761 *d_ptr++ = '0'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
762 while (a_len > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
763 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
764 /* Divide a by 10^9, in-place. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
765 mp_limb_t remainder = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
766 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
|
767 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
768 for (count = a_len; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
769 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
770 mp_twolimb_t num = |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
771 ((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
|
772 *ptr = num / 1000000000; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
773 remainder = num % 1000000000; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
774 } |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
775 /* Store the remainder as 9 decimal digits. */ |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
776 for (count = 9; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
777 { |
|
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Bruno Haible <bruno@clisp.org>
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changeset
|
778 *d_ptr++ = '0' + (remainder % 10); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
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|
779 remainder = remainder / 10; |
|
1466c973f476
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|
780 } |
|
1466c973f476
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diff
changeset
|
781 /* Normalize a. */ |
|
1466c973f476
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diff
changeset
|
782 if (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
|
783 a_len--; |
|
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diff
changeset
|
784 } |
|
1466c973f476
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parents:
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diff
changeset
|
785 /* Remove leading zeroes. */ |
|
1466c973f476
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
786 while (d_ptr > c_ptr && d_ptr[-1] == '0') |
|
1466c973f476
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diff
changeset
|
787 d_ptr--; |
|
1466c973f476
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diff
changeset
|
788 /* But keep at least one zero. */ |
|
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parents:
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diff
changeset
|
789 if (d_ptr == c_ptr) |
|
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diff
changeset
|
790 *d_ptr++ = '0'; |
|
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parents:
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diff
changeset
|
791 /* Terminate the string. */ |
|
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changeset
|
792 *d_ptr = '\0'; |
|
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changeset
|
793 } |
|
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diff
changeset
|
794 return c_ptr; |
|
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diff
changeset
|
795 } |
|
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diff
changeset
|
796 |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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changeset
|
797 # if NEED_PRINTF_LONG_DOUBLE |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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changeset
|
798 |
|
8832
1466c973f476
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diff
changeset
|
799 /* Assuming x is finite and >= 0: |
|
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
800 write x as x = 2^e * m, where m is a bignum. |
|
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diff
changeset
|
801 Return the allocated memory in case of success, NULL in case of memory |
|
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diff
changeset
|
802 allocation failure. */ |
|
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diff
changeset
|
803 static void * |
|
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
804 decode_long_double (long double x, int *ep, mpn_t *mp) |
|
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diff
changeset
|
805 { |
|
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parents:
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changeset
|
806 mpn_t m; |
|
1466c973f476
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diff
changeset
|
807 int exp; |
|
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changeset
|
808 long double y; |
|
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Add support for 'long double' number output.
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diff
changeset
|
809 size_t i; |
|
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diff
changeset
|
810 |
|
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diff
changeset
|
811 /* Allocate memory for result. */ |
|
1466c973f476
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
812 m.nlimbs = (LDBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS; |
|
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diff
changeset
|
813 m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t)); |
|
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diff
changeset
|
814 if (m.limbs == NULL) |
|
1466c973f476
Add support for 'long double' number output.
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changeset
|
815 return NULL; |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
816 /* Split into exponential part and mantissa. */ |
|
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Add support for 'long double' number output.
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diff
changeset
|
817 y = frexpl (x, &exp); |
|
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diff
changeset
|
818 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
819 abort (); |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
820 /* 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:
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diff
changeset
|
821 latter is an integer. */ |
|
1466c973f476
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diff
changeset
|
822 /* Convert the mantissa (y * LDBL_MANT_BIT) to a sequence of limbs. |
|
1466c973f476
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parents:
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changeset
|
823 I'm not sure whether it's safe to cast a 'long double' value between |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
824 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
825 'long double' values between 0 and 2^16 (to 'unsigned int' or 'int', |
|
1466c973f476
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diff
changeset
|
826 doesn't matter). */ |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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diff
changeset
|
827 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) != 0 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
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diff
changeset
|
828 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2 |
|
8832
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parents:
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diff
changeset
|
829 { |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
830 mp_limb_t hi, lo; |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
831 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % (GMP_LIMB_BITS / 2)); |
|
1466c973f476
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diff
changeset
|
832 hi = (int) y; |
|
1466c973f476
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parents:
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diff
changeset
|
833 y -= hi; |
|
1466c973f476
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parents:
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diff
changeset
|
834 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
835 abort (); |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
836 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
837 lo = (int) y; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
838 y -= lo; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
839 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
840 abort (); |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
841 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
|
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
842 } |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
843 # else |
|
8832
1466c973f476
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diff
changeset
|
844 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
845 mp_limb_t d; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
846 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:
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diff
changeset
|
847 d = (int) y; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
848 y -= d; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
849 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
850 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
851 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = d; |
|
1466c973f476
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parents:
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diff
changeset
|
852 } |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
853 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
854 # endif |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
855 for (i = LDBL_MANT_BIT / GMP_LIMB_BITS; i > 0; ) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
856 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
857 mp_limb_t hi, lo; |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
858 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
|
1466c973f476
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
859 hi = (int) y; |
|
1466c973f476
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parents:
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diff
changeset
|
860 y -= hi; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
861 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
862 abort (); |
|
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Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
863 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2); |
|
1466c973f476
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parents:
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diff
changeset
|
864 lo = (int) y; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
865 y -= lo; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
866 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
867 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
868 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo; |
|
1466c973f476
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parents:
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diff
changeset
|
869 } |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
870 if (!(y == 0.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
871 abort (); |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
872 /* Normalise. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
873 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0) |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
874 m.nlimbs--; |
|
1466c973f476
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parents:
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diff
changeset
|
875 *mp = m; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
876 *ep = exp - LDBL_MANT_BIT; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
877 return m.limbs; |
|
1466c973f476
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parents:
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diff
changeset
|
878 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
879 |
|
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 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
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9439
diff
changeset
|
881 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
882 # 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
|
883 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
884 /* 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
|
885 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
|
886 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
|
887 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
|
888 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
|
889 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
|
890 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
891 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
|
892 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
|
893 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
|
894 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
|
895 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
896 /* Allocate memory for result. */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
897 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
|
898 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:
9439
diff
changeset
|
899 if (m.limbs == NULL) |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
900 return NULL; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
901 /* 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
|
902 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
|
903 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
|
904 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
905 /* 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
|
906 latter 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
|
907 /* 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.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
908 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:
9439
diff
changeset
|
909 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
|
910 '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:
9439
diff
changeset
|
911 doesn't matter). */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
912 # 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:
9439
diff
changeset
|
913 # 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:
9439
diff
changeset
|
914 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
915 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
|
916 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:
9439
diff
changeset
|
917 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
|
918 y -= hi; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
919 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
|
920 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
921 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
|
922 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
|
923 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
|
924 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
|
925 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
926 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.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
927 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
928 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
929 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
930 mp_limb_t d; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
931 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
|
932 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
|
933 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
|
934 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
|
935 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
936 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
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 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
939 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
940 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
|
941 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
942 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
|
943 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
|
944 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
|
945 y -= hi; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
946 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
|
947 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
948 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
|
949 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
|
950 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
|
951 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
|
952 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
953 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
|
954 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
955 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
|
956 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
957 /* Normalise. */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
958 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
|
959 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
|
960 *mp = m; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
961 *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:
9439
diff
changeset
|
962 return m.limbs; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
963 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
964 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
965 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
966 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
967 /* 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
|
968 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
|
969 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
|
970 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
|
971 of memory allocation failure. */ |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
972 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
|
973 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
|
974 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
975 int s; |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
976 size_t extra_zeroes; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
977 unsigned int abs_n; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
978 unsigned int abs_s; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
979 mp_limb_t *pow5_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
980 size_t pow5_len; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
981 unsigned int s_limbs; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
982 unsigned int s_bits; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
983 mpn_t pow5; |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
984 mpn_t z; |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
985 void *z_memory; |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
986 char *digits; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
987 |
|
1466c973f476
Add support for 'long double' number output.
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diff
changeset
|
988 if (memory == NULL) |
|
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changeset
|
989 return NULL; |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
990 /* x = 2^e * m, hence |
|
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parents:
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diff
changeset
|
991 y = round (2^e * 10^n * m) = round (2^(e+n) * 5^n * m) |
|
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parents:
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diff
changeset
|
992 = 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
|
993 s = e + n; |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
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parents:
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diff
changeset
|
994 extra_zeroes = 0; |
|
db95bdbeb72c
Optimize the case of huge precision.
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diff
changeset
|
995 /* 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
|
996 if (s > 0 && n > 0) |
|
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Optimize the case of huge precision.
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diff
changeset
|
997 { |
|
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Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
998 extra_zeroes = (s < n ? s : n); |
|
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diff
changeset
|
999 s -= extra_zeroes; |
|
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Optimize the case of huge precision.
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changeset
|
1000 n -= extra_zeroes; |
|
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Optimize the case of huge precision.
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parents:
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diff
changeset
|
1001 } |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1002 /* Here y = round (2^s * 5^n * m) * 10^extra_zeroes. |
|
db95bdbeb72c
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parents:
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diff
changeset
|
1003 Before converting to decimal, we need to compute |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1004 z = round (2^s * 5^n * m). */ |
|
8832
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parents:
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diff
changeset
|
1005 /* Compute 5^|n|, possibly shifted by |s| bits if n and s have the same |
|
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Add support for 'long double' number output.
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diff
changeset
|
1006 sign. 2.322 is slightly larger than log(5)/log(2). */ |
|
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diff
changeset
|
1007 abs_n = (n >= 0 ? n : -n); |
|
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diff
changeset
|
1008 abs_s = (s >= 0 ? s : -s); |
|
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1009 pow5_ptr = (mp_limb_t *) malloc (((int)(abs_n * (2.322f / GMP_LIMB_BITS)) + 1 |
|
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diff
changeset
|
1010 + abs_s / GMP_LIMB_BITS + 1) |
|
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1011 * sizeof (mp_limb_t)); |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1012 if (pow5_ptr == NULL) |
|
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Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1013 { |
|
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diff
changeset
|
1014 free (memory); |
|
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diff
changeset
|
1015 return NULL; |
|
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diff
changeset
|
1016 } |
|
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diff
changeset
|
1017 /* Initialize with 1. */ |
|
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parents:
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diff
changeset
|
1018 pow5_ptr[0] = 1; |
|
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1019 pow5_len = 1; |
|
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diff
changeset
|
1020 /* Multiply with 5^|n|. */ |
|
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diff
changeset
|
1021 if (abs_n > 0) |
|
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parents:
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diff
changeset
|
1022 { |
|
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Add support for 'long double' number output.
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parents:
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diff
changeset
|
1023 static mp_limb_t const small_pow5[13 + 1] = |
|
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parents:
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diff
changeset
|
1024 { |
|
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Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1025 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625, |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1026 48828125, 244140625, 1220703125 |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
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diff
changeset
|
1027 }; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
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diff
changeset
|
1028 unsigned int n13; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1029 for (n13 = 0; n13 <= abs_n; n13 += 13) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
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diff
changeset
|
1030 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1031 mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13]; |
|
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parents:
8831
diff
changeset
|
1032 size_t j; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
1033 mp_twolimb_t carry = 0; |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
1034 for (j = 0; j < pow5_len; j++) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1035 { |
|
1466c973f476
Add support for 'long double' number output.
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parents:
8831
diff
changeset
|
1036 mp_limb_t digit2 = pow5_ptr[j]; |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1037 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
|
1038 pow5_ptr[j] = (mp_limb_t) carry; |
|
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parents:
8831
diff
changeset
|
1039 carry = carry >> GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1040 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1041 if (carry > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1042 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
|
1043 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1044 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1045 s_limbs = abs_s / GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1046 s_bits = abs_s % GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1047 if (n >= 0 ? s >= 0 : s <= 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1048 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1049 /* Multiply with 2^|s|. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1050 if (s_bits > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1051 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1052 mp_limb_t *ptr = pow5_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1053 mp_twolimb_t accu = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1054 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1055 for (count = pow5_len; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1056 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1057 accu += (mp_twolimb_t) *ptr << s_bits; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1058 *ptr++ = (mp_limb_t) accu; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1059 accu = accu >> GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1060 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1061 if (accu > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1062 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1063 *ptr = (mp_limb_t) accu; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1064 pow5_len++; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1065 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1066 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1067 if (s_limbs > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1068 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1069 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1070 for (count = pow5_len; count > 0;) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1071 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1072 count--; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1073 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
|
1074 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1075 for (count = s_limbs; count > 0;) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1076 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1077 count--; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1078 pow5_ptr[count] = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1079 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1080 pow5_len += s_limbs; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1081 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1082 pow5.limbs = pow5_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1083 pow5.nlimbs = pow5_len; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1084 if (n >= 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1085 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1086 /* Multiply m with pow5. No division needed. */ |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1087 z_memory = multiply (m, pow5, &z); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1088 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1089 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1090 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1091 /* Divide m by pow5 and round. */ |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1092 z_memory = divide (m, pow5, &z); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1093 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1094 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1095 else |
|
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 pow5.limbs = pow5_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1098 pow5.nlimbs = pow5_len; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1099 if (n >= 0) |
|
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 /* n >= 0, s < 0. |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1102 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
|
1103 mpn_t numerator; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1104 mpn_t denominator; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1105 void *tmp_memory; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1106 tmp_memory = multiply (m, pow5, &numerator); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1107 if (tmp_memory == NULL) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1108 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1109 free (pow5_ptr); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1110 free (memory); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1111 return NULL; |
|
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 /* Construct 2^|s|. */ |
|
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Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1114 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1115 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
|
1116 size_t i; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1117 for (i = 0; i < s_limbs; i++) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1118 ptr[i] = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1119 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
|
1120 denominator.limbs = ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1121 denominator.nlimbs = s_limbs + 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1122 } |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1123 z_memory = divide (numerator, denominator, &z); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1124 free (tmp_memory); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1125 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1126 else |
|
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 /* n < 0, s > 0. |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1129 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
|
1130 mpn_t numerator; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1131 mp_limb_t *num_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1132 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
|
1133 * sizeof (mp_limb_t)); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1134 if (num_ptr == NULL) |
|
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 free (pow5_ptr); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1137 free (memory); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1138 return NULL; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1139 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1140 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1141 mp_limb_t *destptr = num_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1142 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1143 size_t i; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1144 for (i = 0; i < s_limbs; i++) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1145 *destptr++ = 0; |
|
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 if (s_bits > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1148 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1149 const mp_limb_t *sourceptr = m.limbs; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1150 mp_twolimb_t accu = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1151 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1152 for (count = m.nlimbs; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1153 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1154 accu += (mp_twolimb_t) *sourceptr++ << s; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1155 *destptr++ = (mp_limb_t) accu; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1156 accu = accu >> GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1157 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1158 if (accu > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1159 *destptr++ = (mp_limb_t) accu; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1160 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1161 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1162 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1163 const mp_limb_t *sourceptr = m.limbs; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1164 size_t count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1165 for (count = m.nlimbs; count > 0; count--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1166 *destptr++ = *sourceptr++; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1167 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1168 numerator.limbs = num_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1169 numerator.nlimbs = destptr - num_ptr; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1170 } |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1171 z_memory = divide (numerator, pow5, &z); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1172 free (num_ptr); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1173 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1174 } |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1175 free (pow5_ptr); |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1176 free (memory); |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1177 |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1178 /* 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
|
1179 |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1180 if (z_memory == NULL) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1181 return NULL; |
|
8838
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1182 digits = convert_to_decimal (z, extra_zeroes); |
|
db95bdbeb72c
Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents:
8837
diff
changeset
|
1183 free (z_memory); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1184 return digits; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1185 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1186 |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1187 # 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
|
1188 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1189 /* 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
|
1190 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
|
1191 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
|
1192 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
|
1193 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
|
1194 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
|
1195 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
|
1196 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1197 int e; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1198 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
|
1199 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
|
1200 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
|
1201 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1202 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1203 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1204 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1205 # 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
|
1206 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1207 /* 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
|
1208 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
|
1209 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
|
1210 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
|
1211 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
|
1212 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
|
1213 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
|
1214 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1215 int e; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1216 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
|
1217 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
|
1218 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
|
1219 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1220 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1221 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1222 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1223 # 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
|
1224 |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1225 /* Assuming x is finite and > 0: |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1226 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
|
1227 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
|
1228 static int |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1229 floorlog10l (long double x) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1230 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1231 int exp; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1232 long double y; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1233 double z; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1234 double l; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1235 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1236 /* Split into exponential part and mantissa. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1237 y = frexpl (x, &exp); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1238 if (!(y >= 0.0L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1239 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1240 if (y == 0.0L) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1241 return INT_MIN; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1242 if (y < 0.5L) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1243 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1244 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
|
1245 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1246 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
|
1247 exp -= GMP_LIMB_BITS; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1248 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1249 if (y < (1.0L / (1 << 16))) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1250 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1251 y *= 1.0L * (1 << 16); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1252 exp -= 16; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1253 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1254 if (y < (1.0L / (1 << 8))) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1255 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1256 y *= 1.0L * (1 << 8); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1257 exp -= 8; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1258 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1259 if (y < (1.0L / (1 << 4))) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1260 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1261 y *= 1.0L * (1 << 4); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1262 exp -= 4; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1263 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1264 if (y < (1.0L / (1 << 2))) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1265 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1266 y *= 1.0L * (1 << 2); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1267 exp -= 2; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1268 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1269 if (y < (1.0L / (1 << 1))) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1270 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1271 y *= 1.0L * (1 << 1); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1272 exp -= 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1273 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1274 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1275 if (!(y >= 0.5L && y < 1.0L)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1276 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1277 /* 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
|
1278 l = exp; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1279 z = y; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1280 if (z < 0.70710678118654752444) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1281 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1282 z *= 1.4142135623730950488; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1283 l -= 0.5; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1284 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1285 if (z < 0.8408964152537145431) |
|
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 z *= 1.1892071150027210667; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1288 l -= 0.25; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1289 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1290 if (z < 0.91700404320467123175) |
|
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 z *= 1.0905077326652576592; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1293 l -= 0.125; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1294 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1295 if (z < 0.9576032806985736469) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1296 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1297 z *= 1.0442737824274138403; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1298 l -= 0.0625; |
|
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 /* Now 0.95 <= z <= 1.01. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1301 z = 1 - z; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1302 /* log(1-z) = - z - z^2/2 - z^3/3 - z^4/4 - ... |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1303 Four terms are enough to get an approximation with error < 10^-7. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1304 l -= z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25))); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1305 /* 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
|
1306 log10(x). */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1307 l *= 0.30102999566398119523; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1308 /* Round down to the next integer. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1309 return (int) l + (l < 0 ? -1 : 0); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1310 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1311 |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1312 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1313 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1314 # 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
|
1315 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1316 /* 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
|
1317 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
|
1318 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
|
1319 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
|
1320 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
|
1321 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1322 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
|
1323 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
|
1324 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
|
1325 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
|
1326 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1327 /* 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
|
1328 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
|
1329 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
|
1330 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1331 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
|
1332 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
|
1333 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
|
1334 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1335 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
|
1336 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1337 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
|
1338 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
|
1339 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1340 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
|
1341 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1342 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
|
1343 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
|
1344 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1345 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
|
1346 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1347 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
|
1348 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
|
1349 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1350 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
|
1351 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1352 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
|
1353 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
|
1354 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1355 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
|
1356 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1357 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
|
1358 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
|
1359 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1360 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
|
1361 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1362 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
|
1363 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
|
1364 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1365 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1366 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
|
1367 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1368 /* 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
|
1369 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
|
1370 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
|
1371 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
|
1372 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1373 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
|
1374 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
|
1375 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1376 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
|
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 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
|
1379 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
|
1380 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1381 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
|
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 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
|
1384 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
|
1385 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1386 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
|
1387 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1388 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
|
1389 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
|
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 /* 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
|
1392 z = 1 - z; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1393 /* log(1-z) = - z - z^2/2 - z^3/3 - z^4/4 - ... |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1394 Four terms are enough to get an approximation with error < 10^-7. */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1395 l -= z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 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
|
1396 /* 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
|
1397 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
|
1398 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
|
1399 /* 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
|
1400 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
|
1401 } |
|
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 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
1404 |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1405 #endif |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
1406 |
| 8961 | 1407 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
|
1408 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
|
1409 const FCHAR_T *format, va_list args) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1410 { |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1411 DIRECTIVES d; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1412 arguments a; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1413 |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1414 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
|
1415 /* errno is already set. */ |
|
290aa46b4526
Fix out-of-memory handling of vasnprintf.
Bruno Haible <bruno@clisp.org>
parents:
9371
diff
changeset
|
1416 return NULL; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1417 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1418 #define CLEANUP() \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1419 free (d.dir); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1420 if (a.arg) \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1421 free (a.arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1422 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1423 if (PRINTF_FETCHARGS (args, &a) < 0) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1424 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1425 CLEANUP (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1426 errno = EINVAL; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1427 return NULL; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1428 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1429 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1430 { |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1431 size_t buf_neededlength; |
| 8961 | 1432 TCHAR_T *buf; |
| 1433 TCHAR_T *buf_malloced; | |
| 1434 const FCHAR_T *cp; | |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1435 size_t i; |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1436 DIRECTIVE *dp; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1437 /* Output string accumulator. */ |
| 8961 | 1438 DCHAR_T *result; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1439 size_t allocated; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1440 size_t length; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1441 |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1442 /* 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
|
1443 sprintf or snprintf. */ |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1444 buf_neededlength = |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1445 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
|
1446 #if HAVE_ALLOCA |
| 8961 | 1447 if (buf_neededlength < 4000 / sizeof (TCHAR_T)) |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1448 { |
| 8961 | 1449 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
|
1450 buf_malloced = NULL; |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1451 } |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1452 else |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1453 #endif |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1454 { |
| 8961 | 1455 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
|
1456 if (size_overflow_p (buf_memsize)) |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1457 goto out_of_memory_1; |
| 8961 | 1458 buf = (TCHAR_T *) malloc (buf_memsize); |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1459 if (buf == NULL) |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1460 goto out_of_memory_1; |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1461 buf_malloced = buf; |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1462 } |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
1463 |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1464 if (resultbuf != NULL) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1465 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1466 result = resultbuf; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1467 allocated = *lengthp; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1468 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1469 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1470 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1471 result = NULL; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1472 allocated = 0; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1473 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1474 length = 0; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1475 /* Invariants: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1476 result is either == resultbuf or == NULL or malloc-allocated. |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1477 If length > 0, then result != NULL. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1478 |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1479 /* 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
|
1480 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
|
1481 #define ENSURE_ALLOCATION(needed) \ |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1482 if ((needed) > allocated) \ |
|
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1483 { \ |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1484 size_t memory_size; \ |
| 8961 | 1485 DCHAR_T *memory; \ |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1486 \ |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1487 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
|
1488 if ((needed) > allocated) \ |
|
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1489 allocated = (needed); \ |
| 8961 | 1490 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
|
1491 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
|
1492 goto out_of_memory; \ |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1493 if (result == resultbuf || result == NULL) \ |
| 8961 | 1494 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
|
1495 else \ |
| 8961 | 1496 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
|
1497 if (memory == NULL) \ |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1498 goto out_of_memory; \ |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1499 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
|
1500 DCHAR_CPY (memory, result, length); \ |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
1501 result = memory; \ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1502 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1503 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1504 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
|
1505 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1506 if (cp != dp->dir_start) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1507 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1508 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
|
1509 size_t augmented_length = xsum (length, n); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1510 |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1511 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
|
1512 /* 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
|
1513 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
|
1514 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
|
1515 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
|
1516 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1517 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
|
1518 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
|
1519 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1520 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1521 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1522 do |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1523 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
|
1524 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
|
1525 } |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1526 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1527 if (i == d.count) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1528 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1529 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1530 /* Execute a single directive. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1531 if (dp->conversion == '%') |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1532 { |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1533 size_t augmented_length; |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1534 |
|
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
1535 if (!(dp->arg_index == ARG_NONE)) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1536 abort (); |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1537 augmented_length = xsum (length, 1); |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1538 ENSURE_ALLOCATION (augmented_length); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1539 result[length] = '%'; |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
1540 length = augmented_length; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1541 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1542 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1543 { |
|
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
1544 if (!(dp->arg_index != ARG_NONE)) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1545 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1546 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1547 if (dp->conversion == 'n') |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1548 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1549 switch (a.arg[dp->arg_index].type) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1550 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1551 case TYPE_COUNT_SCHAR_POINTER: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1552 *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
|
1553 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1554 case TYPE_COUNT_SHORT_POINTER: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1555 *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
|
1556 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1557 case TYPE_COUNT_INT_POINTER: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1558 *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
|
1559 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1560 case TYPE_COUNT_LONGINT_POINTER: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1561 *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
|
1562 break; |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
1563 #if HAVE_LONG_LONG_INT |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1564 case TYPE_COUNT_LONGLONGINT_POINTER: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1565 *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
|
1566 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1567 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1568 default: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1569 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1570 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
1571 } |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1572 #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
|
1573 /* 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
|
1574 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
|
1575 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1576 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
|
1577 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
|
1578 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
|
1579 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
|
1580 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
|
1581 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
|
1582 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1583 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
|
1584 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
|
1585 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
|
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 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
|
1588 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1589 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
|
1590 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1591 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
|
1592 abort (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1593 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
|
1594 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
|
1595 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1596 /* "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
|
1597 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
|
1598 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
|
1599 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
|
1600 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1601 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1602 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
|
1603 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1604 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1605 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1606 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
|
1607 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1608 do |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1609 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
|
1610 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
|
1611 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1612 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
|
1613 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1614 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1615 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
|
1616 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
|
1617 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
|
1618 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1619 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
|
1620 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1621 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
|
1622 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1623 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
|
1624 abort (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1625 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
|
1626 /* "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
|
1627 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
|
1628 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
|
1629 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1630 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
|
1631 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
|
1632 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1633 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1634 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1635 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1636 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
|
1637 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1638 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
|
1639 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
|
1640 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
|
1641 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
|
1642 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1643 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1644 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1645 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
|
1646 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1647 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
|
1648 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1649 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
|
1650 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
|
1651 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
|
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 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
|
1654 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1655 /* 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
|
1656 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
|
1657 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
|
1658 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
|
1659 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1660 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
|
1661 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
|
1662 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1663 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
|
1664 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1665 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
|
1666 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
|
1667 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
|
1668 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
|
1669 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1670 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
|
1671 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
|
1672 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1673 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
|
1674 characters++; |
|
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 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1677 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
|
1678 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1679 /* 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
|
1680 characters. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1681 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
|
1682 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
|
1683 for (;;) |
|
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 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
|
1686 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
|
1687 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1688 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
|
1689 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1690 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
|
1691 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
|
1692 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
|
1693 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
|
1694 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1695 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
|
1696 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
|
1697 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1698 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
|
1699 characters++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1700 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1701 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1702 else |
|
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 /* 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
|
1705 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
|
1706 /* 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
|
1707 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
|
1708 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1709 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1710 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
|
1711 && !(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
|
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 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
|
1714 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
|
1715 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
|
1716 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
|
1717 } |
|
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 # 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
|
1720 { |
|
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 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
|
1722 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
|
1723 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
|
1724 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
|
1725 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1726 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1727 { /* Convert. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1728 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
|
1729 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
|
1730 # 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
|
1731 /* Convert from UTF-8 to locale encoding. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1732 if (u8_conv_to_encoding (locale_charset (), |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1733 iconveh_question_mark, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1734 arg, arg_end - arg, NULL, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1735 &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
|
1736 < 0) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1737 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1738 /* 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
|
1739 converted = |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1740 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
|
1741 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
|
1742 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
|
1743 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1744 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1745 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
|
1746 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
|
1747 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
|
1748 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
|
1749 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
|
1750 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1751 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
|
1752 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
|
1753 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1754 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
|
1755 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1756 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
|
1757 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
|
1758 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
|
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 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
|
1761 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1762 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1763 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1764 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
|
1765 && (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
|
1766 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1767 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
|
1768 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
|
1769 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
|
1770 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
|
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 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1773 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1774 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1775 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
|
1776 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1777 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
|
1778 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
|
1779 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
|
1780 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1781 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
|
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 /* 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
|
1784 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
|
1785 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
|
1786 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
|
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 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
|
1789 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
|
1790 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1791 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
|
1792 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1793 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
|
1794 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
|
1795 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
|
1796 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
|
1797 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1798 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
|
1799 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
|
1800 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1801 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
|
1802 characters++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1803 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1804 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1805 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
|
1806 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1807 /* 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
|
1808 characters. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1809 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
|
1810 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
|
1811 for (;;) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1812 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1813 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
|
1814 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
|
1815 break; |
|
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 (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
|
1817 { |
|
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 (!(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
|
1819 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
|
1820 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
|
1821 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
|
1822 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1823 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
|
1824 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
|
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 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
|
1827 characters++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1828 } |
|
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 else |
|
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 /* 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
|
1833 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
|
1834 /* 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
|
1835 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
|
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 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1838 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
|
1839 && !(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
|
1840 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1841 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
|
1842 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
|
1843 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
|
1844 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
|
1845 } |
|
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 # 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
|
1848 { |
|
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 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
|
1850 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
|
1851 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
|
1852 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
|
1853 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1854 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1855 { /* Convert. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1856 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
|
1857 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
|
1858 # 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
|
1859 /* Convert from UTF-16 to locale encoding. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1860 if (u16_conv_to_encoding (locale_charset (), |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1861 iconveh_question_mark, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1862 arg, arg_end - arg, NULL, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1863 &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
|
1864 < 0) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1865 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1866 /* 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
|
1867 converted = |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1868 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
|
1869 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
|
1870 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
|
1871 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1872 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1873 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
|
1874 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
|
1875 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
|
1876 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
|
1877 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
|
1878 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1879 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
|
1880 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
|
1881 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1882 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
|
1883 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1884 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
|
1885 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
|
1886 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
|
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 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
|
1889 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1890 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1891 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1892 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
|
1893 && (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
|
1894 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1895 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
|
1896 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
|
1897 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
|
1898 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
|
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 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1901 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1902 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1903 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
|
1904 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1905 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
|
1906 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
|
1907 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
|
1908 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1909 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
|
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 /* 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
|
1912 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
|
1913 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
|
1914 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
|
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 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
|
1917 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
|
1918 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1919 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
|
1920 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1921 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
|
1922 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
|
1923 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
|
1924 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
|
1925 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1926 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
|
1927 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
|
1928 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1929 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
|
1930 characters++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1931 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1932 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1933 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
|
1934 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1935 /* 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
|
1936 characters. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1937 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
|
1938 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
|
1939 for (;;) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1940 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1941 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
|
1942 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
|
1943 break; |
|
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 (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
|
1945 { |
|
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 (!(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
|
1947 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
|
1948 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
|
1949 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
|
1950 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1951 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
|
1952 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
|
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 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
|
1955 characters++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1956 } |
|
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 else |
|
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 /* 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
|
1961 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
|
1962 /* 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
|
1963 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
|
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 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1966 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
|
1967 && !(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
|
1968 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1969 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
|
1970 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
|
1971 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
|
1972 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
|
1973 } |
|
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 # 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
|
1976 { |
|
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 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
|
1978 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
|
1979 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
|
1980 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
|
1981 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1982 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1983 { /* Convert. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1984 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
|
1985 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
|
1986 # 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
|
1987 /* Convert from UTF-32 to locale encoding. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1988 if (u32_conv_to_encoding (locale_charset (), |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1989 iconveh_question_mark, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1990 arg, arg_end - arg, NULL, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1991 &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
|
1992 < 0) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1993 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1994 /* 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
|
1995 converted = |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
1996 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
|
1997 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
|
1998 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
|
1999 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2000 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2001 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
|
2002 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
|
2003 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
|
2004 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
|
2005 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
|
2006 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2007 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
|
2008 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
|
2009 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2010 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
|
2011 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2012 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
|
2013 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
|
2014 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
|
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 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
|
2017 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2018 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2019 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2020 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
|
2021 && (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
|
2022 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2023 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
|
2024 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
|
2025 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
|
2026 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
|
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 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2029 break; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2030 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2031 default: |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2032 abort (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2033 } |
|
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 #endif |
|
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2036 #if NEED_PRINTF_DIRECTIVE_A && !defined IN_LIBINTL |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2037 else if (dp->conversion == 'a' || 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
|
2038 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2039 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
|
2040 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
|
2041 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
|
2042 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
|
2043 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
|
2044 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
|
2045 size_t tmp_length; |
| 8961 | 2046 DCHAR_T tmpbuf[700]; |
| 2047 DCHAR_T *tmp; | |
| 2048 DCHAR_T *pad_ptr; | |
| 2049 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
|
2050 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2051 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
|
2052 width = 0; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2053 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
|
2054 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2055 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
|
2056 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2057 int arg; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2058 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2059 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
|
2060 abort (); |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2061 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
|
2062 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
|
2063 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2064 /* "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
|
2065 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
|
2066 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
|
2067 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
|
2068 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2069 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2070 width = arg; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2071 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2072 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2073 { |
| 8961 | 2074 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
|
2075 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2076 do |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2077 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
|
2078 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
|
2079 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2080 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
|
2081 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2082 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2083 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
|
2084 precision = 0; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2085 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
|
2086 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2087 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
|
2088 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2089 int arg; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2090 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2091 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
|
2092 abort (); |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2093 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
|
2094 /* "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
|
2095 were omitted." */ |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2096 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
|
2097 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2098 precision = arg; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2099 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
|
2100 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2101 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2102 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2103 { |
| 8961 | 2104 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
|
2105 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2106 precision = 0; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2107 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
|
2108 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
|
2109 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
|
2110 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2111 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2112 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2113 /* 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
|
2114 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
|
2115 tmp_length = |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2116 (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
|
2117 * 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
|
2118 ) |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2119 + 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
|
2120 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2121 tmp_length = |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2122 (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
|
2123 * 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
|
2124 ) |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2125 + 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
|
2126 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
|
2127 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
|
2128 /* 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
|
2129 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
|
2130 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2131 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
|
2132 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
|
2133 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2134 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
|
2135 |
| 8961 | 2136 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
|
2137 tmp = tmpbuf; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2138 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2139 { |
| 8961 | 2140 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
|
2141 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2142 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
|
2143 /* 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
|
2144 goto out_of_memory; |
| 8961 | 2145 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
|
2146 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
|
2147 /* 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
|
2148 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
|
2149 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2150 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2151 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
|
2152 p = tmp; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2153 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
|
2154 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2155 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
|
2156 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2157 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
|
2158 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2159 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
|
2160 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2161 *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
|
2162 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2163 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2164 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2165 *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
|
2166 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2167 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2168 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2169 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2170 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
|
2171 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
|
2172 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2173 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
|
2174 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2175 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
|
2176 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2177 sign = -1; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2178 arg = -arg; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2179 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2180 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2181 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
|
2182 *p++ = '-'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2183 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
|
2184 *p++ = '+'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2185 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
|
2186 *p++ = ' '; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2187 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2188 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
|
2189 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2190 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
|
2191 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2192 *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
|
2193 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2194 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2195 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2196 *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
|
2197 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2198 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2199 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2200 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2201 int exponent; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2202 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
|
2203 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2204 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
|
2205 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
|
2206 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2207 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2208 exponent = 0; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2209 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
|
2210 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2211 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2212 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
|
2213 && 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
|
2214 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2215 /* 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
|
2216 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
|
2217 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
|
2218 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2219 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
|
2220 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2221 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
|
2222 tail -= digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2223 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
|
2224 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2225 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
|
2226 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
|
2227 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2228 tail = - tail; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2229 break; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2230 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2231 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
|
2232 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2233 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
|
2234 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
|
2235 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
|
2236 mantissa += tail; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2237 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2238 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2239 *p++ = '0'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2240 *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
|
2241 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
|
2242 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2243 int digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2244 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2245 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
|
2246 mantissa -= digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2247 *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
|
2248 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
|
2249 || 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
|
2250 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2251 *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
|
2252 /* 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
|
2253 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
|
2254 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
|
2255 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2256 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
|
2257 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
|
2258 mantissa -= digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2259 *p++ = digit |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2260 + (digit < 10 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2261 ? '0' |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2262 : 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
|
2263 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
|
2264 precision--; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2265 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2266 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
|
2267 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2268 *p++ = '0'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2269 precision--; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2270 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2271 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2272 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2273 *p++ = dp->conversion - 'A' + 'P'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2274 # if WIDE_CHAR_VERSION |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2275 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2276 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
|
2277 { '%', '+', 'd', '\0' }; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2278 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
|
2279 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2280 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
|
2281 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
|
2282 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2283 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
|
2284 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2285 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
|
2286 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
|
2287 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2288 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2289 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2290 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2291 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
|
2292 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
|
2293 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
|
2294 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
|
2295 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2296 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2297 # endif |
|
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2298 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2299 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2300 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
|
2301 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2302 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2303 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2304 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2305 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
|
2306 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2307 if (isnan (arg)) |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2308 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2309 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
|
2310 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2311 *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
|
2312 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2313 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2314 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2315 *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
|
2316 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2317 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2318 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2319 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2320 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
|
2321 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2322 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
|
2323 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2324 sign = -1; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2325 arg = -arg; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2326 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2327 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2328 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
|
2329 *p++ = '-'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2330 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
|
2331 *p++ = '+'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2332 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
|
2333 *p++ = ' '; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2334 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2335 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
|
2336 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2337 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
|
2338 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2339 *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
|
2340 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2341 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2342 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2343 *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
|
2344 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2345 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2346 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2347 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2348 int exponent; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2349 double mantissa; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2350 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2351 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
|
2352 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
|
2353 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2354 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2355 exponent = 0; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2356 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
|
2357 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2358 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2359 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
|
2360 && 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
|
2361 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2362 /* 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
|
2363 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
|
2364 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
|
2365 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2366 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
|
2367 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2368 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
|
2369 tail -= digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2370 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
|
2371 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2372 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
|
2373 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
|
2374 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2375 tail = - tail; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2376 break; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2377 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2378 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
|
2379 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2380 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
|
2381 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
|
2382 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
|
2383 mantissa += tail; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2384 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2385 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2386 *p++ = '0'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2387 *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
|
2388 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
|
2389 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2390 int digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2391 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2392 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
|
2393 mantissa -= digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2394 *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
|
2395 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
|
2396 || 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
|
2397 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2398 *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
|
2399 /* 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
|
2400 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
|
2401 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
|
2402 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2403 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
|
2404 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
|
2405 mantissa -= digit; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2406 *p++ = digit |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2407 + (digit < 10 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2408 ? '0' |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2409 : 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
|
2410 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
|
2411 precision--; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2412 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2413 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
|
2414 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2415 *p++ = '0'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2416 precision--; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2417 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2418 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2419 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2420 *p++ = dp->conversion - 'A' + 'P'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2421 # if WIDE_CHAR_VERSION |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2422 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2423 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
|
2424 { '%', '+', 'd', '\0' }; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2425 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
|
2426 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2427 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
|
2428 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
|
2429 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2430 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
|
2431 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2432 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
|
2433 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
|
2434 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2435 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2436 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2437 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2438 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
|
2439 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
|
2440 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
|
2441 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
|
2442 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2443 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2444 # endif |
|
8916
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2445 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2446 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2447 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2448 /* 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
|
2449 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
|
2450 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
|
2451 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2452 size_t pad = width - (p - tmp); |
| 8961 | 2453 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
|
2454 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2455 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
|
2456 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2457 /* 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
|
2458 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
|
2459 *p++ = ' '; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2460 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2461 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
|
2462 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2463 /* Pad with zeroes. */ |
| 8961 | 2464 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
|
2465 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2466 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
|
2467 *--q = *--p; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2468 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
|
2469 *p++ = '0'; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2470 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2471 else |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2472 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2473 /* Pad with spaces on the left. */ |
| 8961 | 2474 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
|
2475 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2476 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
|
2477 *--q = *--p; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2478 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
|
2479 *p++ = ' '; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2480 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2481 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2482 p = end; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2483 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2484 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2485 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2486 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
|
2487 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2488 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
|
2489 /* 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
|
2490 code above! */ |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2491 abort (); |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2492 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2493 /* 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
|
2494 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
|
2495 { |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2496 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
|
2497 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2498 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
|
2499 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2500 |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2501 /* Append the result. */ |
| 8961 | 2502 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
|
2503 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
|
2504 free (tmp); |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2505 length += count; |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2506 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2507 } |
|
353e81af4858
Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents:
8915
diff
changeset
|
2508 #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
|
2509 #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
|
2510 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
|
2511 || 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
|
2512 || 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
|
2513 || 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
|
2514 && (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
|
2515 # 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
|
2516 || 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
|
2517 # 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
|
2518 || (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
|
2519 /* 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
|
2520 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
|
2521 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
|
2522 && 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
|
2523 # endif |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2524 # 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
|
2525 || 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
|
2526 # 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
|
2527 || (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
|
2528 /* Some systems produce wrong output for Inf, |
|
9e203d8ade65
Stricter check for printf result for NaN arguments.
Bruno Haible <bruno@clisp.org>
parents:
8860
diff
changeset
|
2529 -Inf, and NaN. */ |
|
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2530 && is_infinitel (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
|
2531 # endif |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2532 )) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2533 { |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2534 # 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
|
2535 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
|
2536 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2537 int flags = dp->flags; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2538 int has_width; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2539 size_t width; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2540 int has_precision; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2541 size_t precision; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2542 size_t tmp_length; |
| 8961 | 2543 DCHAR_T tmpbuf[700]; |
| 2544 DCHAR_T *tmp; | |
| 2545 DCHAR_T *pad_ptr; | |
| 2546 DCHAR_T *p; | |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2547 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2548 has_width = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2549 width = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2550 if (dp->width_start != dp->width_end) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2551 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2552 if (dp->width_arg_index != ARG_NONE) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2553 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2554 int arg; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2555 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2556 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
|
2557 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2558 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
|
2559 if (arg < 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2560 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2561 /* "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
|
2562 followed by a positive field width." */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2563 flags |= FLAG_LEFT; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2564 width = (unsigned int) (-arg); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2565 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2566 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2567 width = arg; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2568 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2569 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2570 { |
| 8961 | 2571 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
|
2572 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2573 do |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2574 width = xsum (xtimes (width, 10), *digitp++ - '0'); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2575 while (digitp != dp->width_end); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2576 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2577 has_width = 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2578 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2579 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2580 has_precision = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2581 precision = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2582 if (dp->precision_start != dp->precision_end) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2583 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2584 if (dp->precision_arg_index != ARG_NONE) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2585 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2586 int arg; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2587 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2588 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
|
2589 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2590 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
|
2591 /* "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
|
2592 were omitted." */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2593 if (arg >= 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2594 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2595 precision = arg; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2596 has_precision = 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2597 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2598 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2599 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2600 { |
| 8961 | 2601 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
|
2602 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2603 precision = 0; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2604 while (digitp != dp->precision_end) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2605 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2606 has_precision = 1; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2607 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2608 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2609 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2610 /* 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
|
2611 %e, %E, but not for %g, %G. Implementations appear to use |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2612 the same default precision also for %g, %G. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2613 if (!has_precision) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2614 precision = 6; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2615 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2616 /* 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
|
2617 # 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
|
2618 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
|
2619 # 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
|
2620 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
|
2621 # elif NEED_PRINTF_LONG_DOUBLE |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2622 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
|
2623 # 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
|
2624 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
|
2625 # else |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2626 tmp_length = 0; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2627 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2628 if (tmp_length < precision) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2629 tmp_length = precision; |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2630 # 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
|
2631 # 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
|
2632 if (type == TYPE_LONGDOUBLE) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2633 # endif |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2634 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
|
2635 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2636 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
|
2637 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
|
2638 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2639 /* 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
|
2640 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
|
2641 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
|
2642 tmp_length = exponent + precision; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2643 } |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2644 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2645 # 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
|
2646 # 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
|
2647 # 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
|
2648 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
|
2649 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2650 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
|
2651 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2652 double arg = a.arg[dp->arg_index].a.a_double; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2653 if (!(isnan (arg) || arg + 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
|
2654 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2655 /* 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
|
2656 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
|
2657 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
|
2658 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
|
2659 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2660 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
2661 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2662 /* Account for sign, decimal point etc. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2663 tmp_length = xsum (tmp_length, 12); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2664 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2665 if (tmp_length < width) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2666 tmp_length = width; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2667 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2668 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
|
2669 |
| 8961 | 2670 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
|
2671 tmp = tmpbuf; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2672 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2673 { |
| 8961 | 2674 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
|
2675 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2676 if (size_overflow_p (tmp_memsize)) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2677 /* Overflow, would lead to out of memory. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2678 goto out_of_memory; |
| 8961 | 2679 tmp = (DCHAR_T *) malloc (tmp_memsize); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2680 if (tmp == NULL) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2681 /* Out of memory. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2682 goto out_of_memory; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2683 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2684 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2685 pad_ptr = NULL; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2686 p = tmp; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2687 |
|
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2688 # 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
|
2689 # 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
|
2690 if (type == TYPE_LONGDOUBLE) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2691 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2692 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2693 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
|
2694 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2695 if (isnanl (arg)) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2696 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2697 if (dp->conversion >= 'A' && dp->conversion <= 'Z') |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2698 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2699 *p++ = 'N'; *p++ = 'A'; *p++ = 'N'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2700 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2701 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2702 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2703 *p++ = 'n'; *p++ = 'a'; *p++ = 'n'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2704 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2705 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2706 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2707 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2708 int sign = 0; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2709 DECL_LONG_DOUBLE_ROUNDING |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2710 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2711 BEGIN_LONG_DOUBLE_ROUNDING (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2712 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2713 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
|
2714 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2715 sign = -1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2716 arg = -arg; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2717 } |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2718 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2719 if (sign < 0) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2720 *p++ = '-'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2721 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
|
2722 *p++ = '+'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2723 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
|
2724 *p++ = ' '; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2725 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2726 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
|
2727 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2728 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
|
2729 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2730 *p++ = 'I'; *p++ = 'N'; *p++ = 'F'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2731 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2732 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2733 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2734 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2735 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2736 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2737 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2738 { |
|
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
2739 # 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
|
2740 pad_ptr = p; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2741 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2742 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
|
2743 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2744 char *digits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2745 size_t ndigits; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2746 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2747 digits = |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2748 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
|
2749 if (digits == NULL) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2750 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2751 END_LONG_DOUBLE_ROUNDING (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2752 goto out_of_memory; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2753 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2754 ndigits = strlen (digits); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2755 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2756 if (ndigits > precision) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2757 do |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2758 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2759 --ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2760 *p++ = digits[ndigits]; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2761 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2762 while (ndigits > precision); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2763 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2764 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2765 /* Here ndigits <= precision. */ |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2766 if ((flags & FLAG_ALT) || precision > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2767 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2768 *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
|
2769 for (; precision > ndigits; precision--) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2770 *p++ = '0'; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2771 while (ndigits > 0) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2772 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2773 --ndigits; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2774 *p++ = digits[ndigits]; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2775 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2776 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2777 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2778 free (digits); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2779 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2780 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
|
2781 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2782 int exponent; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2783 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2784 if (arg == 0.0L) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2785 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2786 exponent = 0; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2787 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2788 if ((flags & FLAG_ALT) || precision > 0) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2789 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2790 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2791 for (; precision > 0; precision--) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2792 *p++ = '0'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2793 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2794 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2795 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2796 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2797 /* arg > 0.0L. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2798 int adjusted; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2799 char *digits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2800 size_t ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2801 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2802 exponent = floorlog10l (arg); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2803 adjusted = 0; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2804 for (;;) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2805 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2806 digits = |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2807 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
|
2808 (int)precision - exponent); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2809 if (digits == NULL) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2810 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2811 END_LONG_DOUBLE_ROUNDING (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2812 goto out_of_memory; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2813 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2814 ndigits = strlen (digits); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2815 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2816 if (ndigits == precision + 1) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2817 break; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2818 if (ndigits < precision |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2819 || ndigits > precision + 2) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2820 /* 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
|
2821 precisely enough. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2822 abort (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2823 if (adjusted) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2824 /* 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
|
2825 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
|
2826 loop. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2827 abort (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2828 free (digits); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2829 if (ndigits == precision) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2830 exponent -= 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2831 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2832 exponent += 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2833 adjusted = 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2834 } |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2835 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2836 /* Here ndigits = precision+1. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2837 *p++ = digits[--ndigits]; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2838 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
|
2839 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2840 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2841 while (ndigits > 0) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2842 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2843 --ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2844 *p++ = digits[ndigits]; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2845 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2846 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2847 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2848 free (digits); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2849 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2850 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2851 *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
|
2852 # 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
|
2853 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2854 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
|
2855 { '%', '+', '.', '2', 'd', '\0' }; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2856 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
|
2857 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2858 while (*p != '\0') |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2859 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
|
2860 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2861 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
|
2862 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2863 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
|
2864 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
|
2865 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2866 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2867 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2868 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2869 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
|
2870 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
|
2871 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
|
2872 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
|
2873 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2874 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
2875 # endif |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2876 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2877 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
|
2878 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2879 if (precision == 0) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2880 precision = 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2881 /* precision >= 1. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2882 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2883 if (arg == 0.0L) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2884 /* 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
|
2885 Use fixed-point notation. */ |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2886 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2887 size_t ndigits = precision; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2888 /* 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
|
2889 dropped. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2890 size_t nzeroes = |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2891 (flags & FLAG_ALT ? 0 : precision - 1); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2892 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2893 --ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2894 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2895 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
|
2896 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2897 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2898 while (ndigits > nzeroes) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2899 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2900 --ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2901 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2902 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2903 } |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2904 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2905 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2906 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2907 /* arg > 0.0L. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2908 int exponent; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2909 int adjusted; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2910 char *digits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2911 size_t ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2912 size_t nzeroes; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2913 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2914 exponent = floorlog10l (arg); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2915 adjusted = 0; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2916 for (;;) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2917 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2918 digits = |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2919 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
|
2920 (int)(precision - 1) - exponent); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2921 if (digits == NULL) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2922 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2923 END_LONG_DOUBLE_ROUNDING (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2924 goto out_of_memory; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2925 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2926 ndigits = strlen (digits); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2927 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2928 if (ndigits == precision) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2929 break; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2930 if (ndigits < precision - 1 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2931 || ndigits > precision + 1) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2932 /* 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
|
2933 precisely enough. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2934 abort (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2935 if (adjusted) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2936 /* 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
|
2937 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
|
2938 loop. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2939 abort (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2940 free (digits); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2941 if (ndigits < precision) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2942 exponent -= 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2943 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2944 exponent += 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2945 adjusted = 1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2946 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2947 /* Here ndigits = precision. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2948 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2949 /* 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
|
2950 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
|
2951 nzeroes = 0; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2952 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
|
2953 while (nzeroes < ndigits |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2954 && digits[nzeroes] == '0') |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2955 nzeroes++; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2956 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2957 /* 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
|
2958 if (exponent >= -4 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2959 && exponent < (long)precision) |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2960 { |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2961 /* Fixed-point notation: |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2962 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
|
2963 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
|
2964 digits without trailing zeroes. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2965 if (exponent >= 0) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2966 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2967 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
|
2968 /* Note: count <= precision = ndigits. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2969 for (; count > 0; count--) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2970 *p++ = digits[--ndigits]; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2971 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
|
2972 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2973 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2974 while (ndigits > nzeroes) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2975 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2976 --ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2977 *p++ = digits[ndigits]; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2978 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2979 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2980 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2981 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2982 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2983 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
|
2984 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2985 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2986 for (; count > 0; count--) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2987 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2988 while (ndigits > nzeroes) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2989 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2990 --ndigits; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2991 *p++ = digits[ndigits]; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2992 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2993 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2994 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2995 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2996 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2997 /* Exponential notation. */ |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
2998 *p++ = digits[--ndigits]; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
2999 if ((flags & FLAG_ALT) || ndigits > nzeroes) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3000 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3001 *p++ = decimal_point_char (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3002 while (ndigits > nzeroes) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3003 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3004 --ndigits; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3005 *p++ = digits[ndigits]; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3006 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3007 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3008 *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
|
3009 # 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
|
3010 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3011 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
|
3012 { '%', '+', '.', '2', 'd', '\0' }; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3013 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
|
3014 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3015 while (*p != '\0') |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3016 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
|
3017 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3018 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
|
3019 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3020 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
|
3021 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
|
3022 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3023 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3024 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3025 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3026 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
|
3027 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
|
3028 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
|
3029 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
|
3030 p++; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3031 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3032 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3033 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3034 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3035 free (digits); |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3036 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3037 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3038 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3039 abort (); |
|
8860
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3040 # else |
|
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3041 /* arg is finite. */ |
|
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3042 abort (); |
|
771a56a41b5b
Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents:
8846
diff
changeset
|
3043 # endif |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3044 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3045 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3046 END_LONG_DOUBLE_ROUNDING (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3047 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3048 } |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3049 # 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
|
3050 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3051 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3052 # 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
|
3053 # 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
|
3054 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3055 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
|
3056 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3057 if (isnan (arg)) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3058 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3059 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
|
3060 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3061 *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
|
3062 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3063 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3064 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3065 *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
|
3066 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3067 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3068 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3069 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3070 int sign = 0; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3071 |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3072 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
|
3073 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3074 sign = -1; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3075 arg = -arg; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3076 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3077 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3078 if (sign < 0) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3079 *p++ = '-'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3080 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
|
3081 *p++ = '+'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3082 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
|
3083 *p++ = ' '; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3084 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3085 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
|
3086 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3087 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
|
3088 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3089 *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
|
3090 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3091 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3092 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3093 *p++ = 'i'; *p++ = 'n'; *p++ = 'f'; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3094 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3095 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3096 else |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3097 { |
|
9442
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3098 # 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
|
3099 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
|
3100 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3101 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
|
3102 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3103 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
|
3104 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
|
3105 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3106 digits = |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3107 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
|
3108 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
|
3109 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
|
3110 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
|
3111 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3112 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
|
3113 do |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3114 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3115 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3116 *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
|
3117 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3118 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
|
3119 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3120 *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
|
3121 /* 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
|
3122 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
|
3123 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3124 *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
|
3125 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
|
3126 *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
|
3127 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
|
3128 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3129 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3130 *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
|
3131 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3132 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3133 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3134 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
|
3135 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3136 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
|
3137 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3138 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
|
3139 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3140 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
|
3141 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3142 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
|
3143 *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
|
3144 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
|
3145 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3146 *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
|
3147 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
|
3148 *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
|
3149 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3150 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3151 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3152 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3153 /* 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
|
3154 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
|
3155 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
|
3156 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
|
3157 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3158 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
|
3159 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
|
3160 for (;;) |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3161 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3162 digits = |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3163 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
|
3164 (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
|
3165 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
|
3166 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
|
3167 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
|
3168 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3169 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
|
3170 break; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3171 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
|
3172 || 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
|
3173 /* 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
|
3174 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
|
3175 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3176 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
|
3177 /* 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
|
3178 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
|
3179 loop. */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3180 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3181 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
|
3182 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
|
3183 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
|
3184 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3185 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
|
3186 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
|
3187 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3188 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3189 /* Here 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
|
3190 *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
|
3191 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
|
3192 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3193 *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
|
3194 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
|
3195 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3196 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3197 *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
|
3198 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3199 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3200 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3201 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
|
3202 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3203 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3204 *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
|
3205 # 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
|
3206 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3207 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
|
3208 /* 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
|
3209 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
|
3210 # 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
|
3211 { '%', '+', '.', '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
|
3212 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3213 { '%', '+', '.', '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
|
3214 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3215 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
|
3216 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3217 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
|
3218 p++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3219 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3220 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3221 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
|
3222 /* 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
|
3223 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
|
3224 # 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
|
3225 "%+.3d"; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3226 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3227 "%+.2d"; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3228 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3229 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
|
3230 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3231 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
|
3232 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
|
3233 p++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3234 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3235 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3236 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3237 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
|
3238 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
|
3239 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
|
3240 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
|
3241 p++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3242 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3243 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3244 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3245 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3246 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
|
3247 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3248 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
|
3249 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
|
3250 /* 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
|
3251 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3252 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
|
3253 /* 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
|
3254 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
|
3255 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3256 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
|
3257 /* 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
|
3258 dropped. */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3259 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
|
3260 (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
|
3261 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3262 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3263 *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
|
3264 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
|
3265 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3266 *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
|
3267 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
|
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 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3270 *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
|
3271 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3272 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3273 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3274 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3275 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3276 /* 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
|
3277 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
|
3278 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
|
3279 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
|
3280 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
|
3281 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
|
3282 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3283 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
|
3284 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
|
3285 for (;;) |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3286 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3287 digits = |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3288 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
|
3289 (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
|
3290 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
|
3291 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
|
3292 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
|
3293 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3294 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
|
3295 break; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3296 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
|
3297 || 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
|
3298 /* 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
|
3299 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
|
3300 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3301 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
|
3302 /* 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
|
3303 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
|
3304 loop. */ |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3305 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3306 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
|
3307 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
|
3308 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
|
3309 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3310 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
|
3311 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
|
3312 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3313 /* 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
|
3314 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3315 /* 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
|
3316 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
|
3317 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
|
3318 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
|
3319 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
|
3320 && 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
|
3321 nzeroes++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3322 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3323 /* 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
|
3324 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
|
3325 && 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
|
3326 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3327 /* 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
|
3328 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
|
3329 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
|
3330 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
|
3331 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
|
3332 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3333 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
|
3334 /* 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
|
3335 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
|
3336 *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
|
3337 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
|
3338 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3339 *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
|
3340 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
|
3341 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3342 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3343 *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
|
3344 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3345 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3346 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3347 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3348 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3349 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
|
3350 *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
|
3351 *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
|
3352 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
|
3353 *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
|
3354 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
|
3355 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3356 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3357 *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
|
3358 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3359 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3360 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3361 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3362 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3363 /* 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
|
3364 *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
|
3365 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
|
3366 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3367 *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
|
3368 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
|
3369 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3370 --ndigits; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3371 *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
|
3372 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3373 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3374 *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
|
3375 # 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
|
3376 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3377 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
|
3378 /* 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
|
3379 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
|
3380 # 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
|
3381 { '%', '+', '.', '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
|
3382 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3383 { '%', '+', '.', '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
|
3384 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3385 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
|
3386 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3387 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
|
3388 p++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3389 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3390 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3391 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
|
3392 /* 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
|
3393 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
|
3394 # 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
|
3395 "%+.3d"; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3396 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3397 "%+.2d"; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3398 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3399 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
|
3400 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3401 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
|
3402 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
|
3403 p++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3404 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3405 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3406 { |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3407 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
|
3408 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
|
3409 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
|
3410 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
|
3411 p++; |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3412 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3413 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3414 # endif |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3415 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3416 |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3417 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
|
3418 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3419 } |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3420 else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3421 abort (); |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3422 # else |
|
ad275322f8f1
Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents:
9439
diff
changeset
|
3423 /* arg is finite. */ |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3424 if (!(arg == 0.0)) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3425 abort (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3426 |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3427 pad_ptr = p; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3428 |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3429 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
|
3430 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3431 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3432 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
|
3433 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3434 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3435 for (; precision > 0; precision--) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3436 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3437 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3438 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3439 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
|
3440 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3441 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3442 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
|
3443 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3444 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3445 for (; precision > 0; precision--) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3446 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3447 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3448 *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
|
3449 *p++ = '+'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3450 /* 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
|
3451 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
|
3452 # 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
|
3453 *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
|
3454 # endif |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3455 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3456 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3457 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3458 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
|
3459 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3460 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3461 if (flags & FLAG_ALT) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3462 { |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3463 size_t ndigits = |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3464 (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
|
3465 *p++ = decimal_point_char (); |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3466 for (; ndigits > 0; --ndigits) |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3467 *p++ = '0'; |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3468 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3469 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3470 else |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3471 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
|
3472 # endif |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3473 } |
|
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3474 } |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3475 } |
|
8840
792e05ae7ac8
Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8838
diff
changeset
|
3476 # endif |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3477 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3478 /* 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
|
3479 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
|
3480 if (has_width && p - tmp < width) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3481 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3482 size_t pad = width - (p - tmp); |
| 8961 | 3483 DCHAR_T *end = p + pad; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3484 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3485 if (flags & FLAG_LEFT) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3486 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3487 /* Pad with spaces on the right. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3488 for (; pad > 0; pad--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3489 *p++ = ' '; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3490 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3491 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
|
3492 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3493 /* Pad with zeroes. */ |
| 8961 | 3494 DCHAR_T *q = end; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3495 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3496 while (p > pad_ptr) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3497 *--q = *--p; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3498 for (; pad > 0; pad--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3499 *p++ = '0'; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3500 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3501 else |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3502 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3503 /* Pad with spaces on the left. */ |
| 8961 | 3504 DCHAR_T *q = end; |
|
8832
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3505 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3506 while (p > tmp) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3507 *--q = *--p; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3508 for (; pad > 0; pad--) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3509 *p++ = ' '; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3510 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3511 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3512 p = end; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3513 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3514 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3515 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3516 size_t count = p - tmp; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3517 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3518 if (count >= tmp_length) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3519 /* tmp_length was incorrectly calculated - fix the |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3520 code above! */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3521 abort (); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3522 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3523 /* Make room for the result. */ |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3524 if (count >= allocated - length) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3525 { |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3526 size_t n = xsum (length, count); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3527 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3528 ENSURE_ALLOCATION (n); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3529 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3530 |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3531 /* Append the result. */ |
| 8961 | 3532 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
|
3533 if (tmp != tmpbuf) |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3534 free (tmp); |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3535 length += count; |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3536 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3537 } |
|
1466c973f476
Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents:
8831
diff
changeset
|
3538 #endif |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3539 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3540 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3541 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
|
3542 int flags = dp->flags; |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3543 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3544 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
|
3545 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
|
3546 #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
|
3547 #if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3548 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
|
3549 #else |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3550 # 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
|
3551 #endif |
| 8961 | 3552 TCHAR_T *fbp; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3553 unsigned int prefix_count; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3554 int prefixes[2]; |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
3555 #if !USE_SNPRINTF |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3556 size_t tmp_length; |
| 8962 | 3557 TCHAR_T tmpbuf[700]; |
| 3558 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
|
3559 #endif |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3560 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3561 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3562 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
|
3563 width = 0; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3564 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
|
3565 { |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3566 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
|
3567 { |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3568 int arg; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3569 |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3570 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
|
3571 abort (); |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3572 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
|
3573 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
|
3574 { |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3575 /* "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
|
3576 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
|
3577 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
|
3578 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
|
3579 } |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3580 else |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3581 width = arg; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3582 } |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3583 else |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3584 { |
| 8961 | 3585 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
|
3586 |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3587 do |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3588 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
|
3589 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
|
3590 } |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3591 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
|
3592 } |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3593 #endif |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3594 |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3595 #if !USE_SNPRINTF |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3596 /* Allocate a temporary buffer of sufficient size for calling |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3597 sprintf. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3598 { |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3599 size_t precision; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3600 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3601 precision = 6; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3602 if (dp->precision_start != dp->precision_end) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3603 { |
|
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
3604 if (dp->precision_arg_index != ARG_NONE) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3605 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3606 int arg; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3607 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3608 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3609 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3610 arg = a.arg[dp->precision_arg_index].a.a_int; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3611 precision = (arg < 0 ? 0 : arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3612 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3613 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3614 { |
| 8961 | 3615 const FCHAR_T *digitp = dp->precision_start + 1; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3616 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3617 precision = 0; |
|
5066
a2cb70e482fc
Fix for format strings like "%2.f".
Bruno Haible <bruno@clisp.org>
parents:
4886
diff
changeset
|
3618 while (digitp != dp->precision_end) |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3619 precision = xsum (xtimes (precision, 10), *digitp++ - '0'); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3620 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3621 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3622 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3623 switch (dp->conversion) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3624 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3625 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3626 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
|
3627 # if HAVE_LONG_LONG_INT |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3628 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3629 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3630 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3631 * 0.30103 /* binary -> decimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3632 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3633 + 1; /* turn floor into ceil */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3634 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3635 # endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3636 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3637 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3638 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3639 * 0.30103 /* binary -> decimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3640 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3641 + 1; /* turn floor into ceil */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3642 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3643 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3644 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3645 * 0.30103 /* binary -> decimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3646 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3647 + 1; /* turn floor into ceil */ |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3648 if (tmp_length < precision) |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3649 tmp_length = precision; |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3650 /* 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
|
3651 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
|
3652 /* 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
|
3653 tmp_length = xsum (tmp_length, 1); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3654 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3655 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3656 case 'o': |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3657 # if HAVE_LONG_LONG_INT |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3658 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3659 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3660 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3661 * 0.333334 /* binary -> octal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3662 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3663 + 1; /* turn floor into ceil */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3664 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3665 # endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3666 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3667 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3668 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3669 * 0.333334 /* binary -> octal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3670 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3671 + 1; /* turn floor into ceil */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3672 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3673 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3674 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3675 * 0.333334 /* binary -> octal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3676 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3677 + 1; /* turn floor into ceil */ |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3678 if (tmp_length < precision) |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3679 tmp_length = precision; |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3680 /* 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
|
3681 tmp_length = xsum (tmp_length, 1); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3682 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3683 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3684 case 'x': case 'X': |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3685 # if HAVE_LONG_LONG_INT |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3686 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3687 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3688 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3689 * 0.25 /* binary -> hexadecimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3690 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3691 + 1; /* turn floor into ceil */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3692 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3693 # endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3694 if (type == TYPE_LONGINT || type == TYPE_ULONGINT) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3695 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3696 (unsigned int) (sizeof (unsigned long) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3697 * 0.25 /* binary -> hexadecimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3698 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3699 + 1; /* turn floor into ceil */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3700 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3701 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3702 (unsigned int) (sizeof (unsigned int) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3703 * 0.25 /* binary -> hexadecimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3704 ) |
|
6583
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3705 + 1; /* turn floor into ceil */ |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3706 if (tmp_length < precision) |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3707 tmp_length = precision; |
|
eb8d54cb67a4
Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
3708 /* 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
|
3709 tmp_length = xsum (tmp_length, 2); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3710 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3711 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3712 case 'f': case 'F': |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3713 if (type == TYPE_LONGDOUBLE) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3714 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3715 (unsigned int) (LDBL_MAX_EXP |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3716 * 0.30103 /* binary -> decimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3717 * 2 /* estimate for FLAG_GROUP */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3718 ) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3719 + 1 /* turn floor into ceil */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3720 + 10; /* sign, decimal point etc. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3721 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3722 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3723 (unsigned int) (DBL_MAX_EXP |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3724 * 0.30103 /* binary -> decimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3725 * 2 /* estimate for FLAG_GROUP */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3726 ) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3727 + 1 /* turn floor into ceil */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3728 + 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
|
3729 tmp_length = xsum (tmp_length, precision); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3730 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3731 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3732 case 'e': case 'E': case 'g': case 'G': |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3733 tmp_length = |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3734 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
|
3735 tmp_length = xsum (tmp_length, precision); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3736 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3737 |
|
8254
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3738 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
|
3739 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
|
3740 tmp_length = |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3741 (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
|
3742 * 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
|
3743 ) |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3744 + 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
|
3745 else |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3746 tmp_length = |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3747 (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
|
3748 * 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
|
3749 ) |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3750 + 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
|
3751 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
|
3752 tmp_length = precision; |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3753 /* 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
|
3754 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
|
3755 break; |
|
bbea39ab5a58
Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents:
8051
diff
changeset
|
3756 |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3757 case 'c': |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3758 # if HAVE_WINT_T && !WIDE_CHAR_VERSION |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3759 if (type == TYPE_WIDE_CHAR) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3760 tmp_length = MB_CUR_MAX; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3761 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3762 # endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3763 tmp_length = 1; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3764 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3765 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3766 case 's': |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3767 # if HAVE_WCHAR_T |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3768 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
|
3769 { |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3770 tmp_length = |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3771 local_wcslen (a.arg[dp->arg_index].a.a_wide_string); |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3772 |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3773 # if !WIDE_CHAR_VERSION |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3774 tmp_length = xtimes (tmp_length, MB_CUR_MAX); |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
3775 # endif |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3776 } |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3777 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3778 # endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3779 tmp_length = strlen (a.arg[dp->arg_index].a.a_string); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3780 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3781 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3782 case 'p': |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3783 tmp_length = |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3784 (unsigned int) (sizeof (void *) * CHAR_BIT |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3785 * 0.25 /* binary -> hexadecimal */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3786 ) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3787 + 1 /* turn floor into ceil */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3788 + 2; /* account for leading 0x */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3789 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3790 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3791 default: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3792 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3793 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3794 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3795 # 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
|
3796 /* Padding considers the number of characters, therefore the |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3797 number of elements after padding may be |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3798 > max (tmp_length, width) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3799 but is certainly |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3800 <= tmp_length + width. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3801 tmp_length = xsum (tmp_length, width); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3802 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3803 /* Padding considers the number of elements, says POSIX. */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3804 if (tmp_length < width) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3805 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
|
3806 # endif |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3807 |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3808 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
|
3809 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3810 |
| 8962 | 3811 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T)) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3812 tmp = tmpbuf; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3813 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3814 { |
| 8962 | 3815 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
|
3816 |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3817 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
|
3818 /* 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
|
3819 goto out_of_memory; |
| 8962 | 3820 tmp = (TCHAR_T *) malloc (tmp_memsize); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3821 if (tmp == NULL) |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3822 /* Out of memory. */ |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3823 goto out_of_memory; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3824 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3825 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3826 |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3827 /* Decide whether to perform the padding ourselves. */ |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3828 #if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3829 switch (dp->conversion) |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3830 { |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3831 # if !DCHAR_IS_TCHAR || 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
|
3832 /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3833 to perform the padding after this conversion. Functions |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3834 with unistdio extensions perform the padding based on |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3835 character count rather than element count. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3836 case 'c': case 's': |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3837 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3838 # if NEED_PRINTF_FLAG_ZERO |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3839 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3840 case 'a': case 'A': |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3841 # endif |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3842 pad_ourselves = 1; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3843 break; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3844 default: |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3845 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
|
3846 break; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3847 } |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3848 #endif |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3849 |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3850 /* Construct the format string for calling snprintf or |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3851 sprintf. */ |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3852 fbp = buf; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3853 *fbp++ = '%'; |
|
8803
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
3854 #if NEED_PRINTF_FLAG_GROUPING |
|
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
3855 /* 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
|
3856 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
|
3857 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
|
3858 #else |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3859 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
|
3860 *fbp++ = '\''; |
|
8803
6c1d98929550
Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents:
8664
diff
changeset
|
3861 #endif |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3862 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
|
3863 *fbp++ = '-'; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3864 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
|
3865 *fbp++ = '+'; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3866 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
|
3867 *fbp++ = ' '; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3868 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
|
3869 *fbp++ = '#'; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3870 if (!pad_ourselves) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3871 { |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3872 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
|
3873 *fbp++ = '0'; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3874 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
|
3875 { |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3876 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
|
3877 /* 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
|
3878 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
|
3879 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
|
3880 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3881 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
|
3882 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
|
3883 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3884 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3885 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3886 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
|
3887 do |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3888 *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
|
3889 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
|
3890 } |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3891 } |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3892 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3893 if (dp->precision_start != dp->precision_end) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3894 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3895 size_t n = dp->precision_end - dp->precision_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
|
3896 /* The precision 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
|
3897 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
|
3898 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
|
3899 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3900 memcpy (fbp, dp->precision_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
|
3901 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
|
3902 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3903 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3904 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3905 const FCHAR_T *mp = dp->precision_start; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3906 do |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
3907 *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
|
3908 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
|
3909 } |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3910 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3911 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3912 switch (type) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3913 { |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3914 #if HAVE_LONG_LONG_INT |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3915 case TYPE_LONGLONGINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3916 case TYPE_ULONGLONGINT: |
|
8830
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
3917 # 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
|
3918 *fbp++ = 'I'; |
|
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
3919 *fbp++ = '6'; |
|
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
3920 *fbp++ = '4'; |
|
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
3921 break; |
|
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
3922 # else |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3923 *fbp++ = 'l'; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3924 /*FALLTHROUGH*/ |
|
8830
abc2bcb16721
Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents:
8804
diff
changeset
|
3925 # endif |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3926 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3927 case TYPE_LONGINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3928 case TYPE_ULONGINT: |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3929 #if HAVE_WINT_T |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3930 case TYPE_WIDE_CHAR: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3931 #endif |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
3932 #if HAVE_WCHAR_T |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3933 case TYPE_WIDE_STRING: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3934 #endif |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3935 *fbp++ = 'l'; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3936 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3937 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
|
3938 *fbp++ = 'L'; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3939 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3940 default: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3941 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3942 } |
|
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
3943 #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
|
3944 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
|
3945 *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
|
3946 else |
|
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
3947 #endif |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3948 *fbp = dp->conversion; |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
3949 #if USE_SNPRINTF |
|
9361
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
3950 # if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3951 fbp[1] = '%'; |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3952 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
|
3953 fbp[3] = '\0'; |
|
9361
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
3954 # else |
|
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
3955 /* 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
|
3956 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
|
3957 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
|
3958 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
|
3959 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
|
3960 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
|
3961 (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
|
3962 in this situation. */ |
|
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
3963 fbp[1] = '\0'; |
|
40389da21b02
Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents:
9095
diff
changeset
|
3964 # endif |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3965 #else |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
3966 fbp[1] = '\0'; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3967 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3968 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3969 /* Construct the arguments for calling snprintf or sprintf. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3970 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
|
3971 if (!pad_ourselves && dp->width_arg_index != ARG_NONE) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3972 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3973 if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3974 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3975 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
|
3976 } |
|
4886
e4317f1f2e2c
Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents:
4879
diff
changeset
|
3977 if (dp->precision_arg_index != ARG_NONE) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3978 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3979 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3980 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3981 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
|
3982 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3983 |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
3984 #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
|
3985 /* 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
|
3986 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
|
3987 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
|
3988 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
|
3989 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
|
3990 # define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T)) |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3991 /* Prepare checking whether snprintf returns the count |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3992 via %n. */ |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
3993 ENSURE_ALLOCATION (xsum (length, 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
|
3994 *(TCHAR_T *) (result + length) = '\0'; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3995 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3996 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3997 for (;;) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
3998 { |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
3999 int count = -1; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4000 |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4001 #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
|
4002 int retcount = 0; |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4003 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
|
4004 /* 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
|
4005 > 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
|
4006 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
|
4007 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
|
4008 maxlen = maxlen * TCHARS_PER_DCHAR; |
| 4704 | 4009 # define SNPRINTF_BUF(arg) \ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4010 switch (prefix_count) \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4011 { \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4012 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
|
4013 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
|
4014 maxlen, buf, \ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4015 arg, &count); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4016 break; \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4017 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
|
4018 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
|
4019 maxlen, buf, \ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4020 prefixes[0], arg, &count); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4021 break; \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4022 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
|
4023 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
|
4024 maxlen, buf, \ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4025 prefixes[0], prefixes[1], arg, \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4026 &count); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4027 break; \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4028 default: \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4029 abort (); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4030 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4031 #else |
| 4704 | 4032 # define SNPRINTF_BUF(arg) \ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4033 switch (prefix_count) \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4034 { \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4035 case 0: \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4036 count = sprintf (tmp, buf, arg); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4037 break; \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4038 case 1: \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4039 count = sprintf (tmp, buf, prefixes[0], arg); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4040 break; \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4041 case 2: \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4042 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4043 arg); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4044 break; \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4045 default: \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4046 abort (); \ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4047 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4048 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4049 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4050 switch (type) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4051 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4052 case TYPE_SCHAR: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4053 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4054 int arg = a.arg[dp->arg_index].a.a_schar; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4055 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4056 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4057 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4058 case TYPE_UCHAR: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4059 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4060 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
|
4061 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4062 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4063 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4064 case TYPE_SHORT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4065 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4066 int arg = a.arg[dp->arg_index].a.a_short; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4067 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4068 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4069 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4070 case TYPE_USHORT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4071 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4072 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
|
4073 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4074 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4075 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4076 case TYPE_INT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4077 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4078 int arg = a.arg[dp->arg_index].a.a_int; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4079 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4080 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4081 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4082 case TYPE_UINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4083 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4084 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
|
4085 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4086 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4087 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4088 case TYPE_LONGINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4089 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4090 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
|
4091 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4092 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4093 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4094 case TYPE_ULONGINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4095 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4096 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
|
4097 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4098 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4099 break; |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4100 #if HAVE_LONG_LONG_INT |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4101 case TYPE_LONGLONGINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4102 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4103 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
|
4104 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4105 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4106 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4107 case TYPE_ULONGLONGINT: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4108 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4109 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
|
4110 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4111 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4112 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4113 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4114 case TYPE_DOUBLE: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4115 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4116 double arg = a.arg[dp->arg_index].a.a_double; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4117 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4118 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4119 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4120 case TYPE_LONGDOUBLE: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4121 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4122 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
|
4123 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4124 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4125 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4126 case TYPE_CHAR: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4127 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4128 int arg = a.arg[dp->arg_index].a.a_char; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4129 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4130 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4131 break; |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4132 #if HAVE_WINT_T |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4133 case TYPE_WIDE_CHAR: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4134 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4135 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
|
4136 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4137 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4138 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4139 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4140 case TYPE_STRING: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4141 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4142 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
|
4143 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4144 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4145 break; |
|
8051
9c2b0396b27c
Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents:
7475
diff
changeset
|
4146 #if HAVE_WCHAR_T |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4147 case TYPE_WIDE_STRING: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4148 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4149 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
|
4150 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4151 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4152 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4153 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4154 case TYPE_POINTER: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4155 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4156 void *arg = a.arg[dp->arg_index].a.a_pointer; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4157 SNPRINTF_BUF (arg); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4158 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4159 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4160 default: |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4161 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4162 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4163 |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4164 #if USE_SNPRINTF |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4165 /* Portability: Not all implementations of snprintf() |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4166 are ISO C 99 compliant. Determine the number of |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4167 bytes that snprintf() has produced or would have |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4168 produced. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4169 if (count >= 0) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4170 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4171 /* Verify that snprintf() has NUL-terminated its |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4172 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
|
4173 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
|
4174 && ((TCHAR_T *) (result + length)) [count] != '\0') |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4175 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4176 /* Portability hack. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4177 if (retcount > count) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4178 count = retcount; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4179 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4180 else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4181 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4182 /* snprintf() doesn't understand the '%n' |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4183 directive. */ |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4184 if (fbp[1] != '\0') |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4185 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4186 /* Don't use the '%n' directive; instead, look |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4187 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
|
4188 fbp[1] = '\0'; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4189 continue; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4190 } |
|
4801
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4191 else |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4192 { |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4193 /* 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
|
4194 if (retcount < 0) |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4195 { |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4196 /* 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
|
4197 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
|
4198 *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
|
4199 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
|
4200 buffer is too small. */ |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4201 size_t bigger_need = |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4202 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
|
4203 ENSURE_ALLOCATION (bigger_need); |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4204 continue; |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4205 } |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4206 else |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4207 count = retcount; |
|
83746ec4d74a
Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents:
4704
diff
changeset
|
4208 } |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4209 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4210 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4211 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4212 /* Attempt to handle failure. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4213 if (count < 0) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4214 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4215 if (!(result == resultbuf || result == NULL)) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4216 free (result); |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4217 if (buf_malloced != NULL) |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4218 free (buf_malloced); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4219 CLEANUP (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4220 errno = EINVAL; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4221 return NULL; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4222 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4223 |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4224 #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
|
4225 /* 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
|
4226 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
|
4227 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
|
4228 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
|
4229 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
|
4230 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
|
4231 { |
|
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4232 /* 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
|
4233 allocating more memory will not increase maxlen. |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4234 Instead of looping, bail out. */ |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4235 if (maxlen == INT_MAX / TCHARS_PER_DCHAR) |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4236 goto overflow; |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4237 else |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4238 { |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4239 /* Need at least count * sizeof (TCHAR_T) bytes. |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4240 But allocate proportionally, to avoid looping |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4241 eternally if snprintf() reports a too small |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4242 count. */ |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4243 size_t n = |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4244 xmax (xsum (length, |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4245 (count + TCHARS_PER_DCHAR - 1) |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4246 / TCHARS_PER_DCHAR), |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4247 xtimes (allocated, 2)); |
|
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4248 |
|
9371
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4249 ENSURE_ALLOCATION (n); |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4250 continue; |
|
8b3c48038257
Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents:
9361
diff
changeset
|
4251 } |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4252 } |
|
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4253 #endif |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4254 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4255 #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
|
4256 # 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
|
4257 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
|
4258 /* 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
|
4259 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
|
4260 abort (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4261 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4262 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4263 /* 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
|
4264 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
|
4265 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4266 /* 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
|
4267 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
|
4268 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
|
4269 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
|
4270 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
|
4271 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
|
4272 /* 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
|
4273 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
|
4274 [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
|
4275 # 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
|
4276 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
|
4277 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4278 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
|
4279 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4280 tmpdst = NULL; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4281 tmpdst_len = 0; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4282 if (DCHAR_CONV_FROM_ENCODING (locale_charset (), |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4283 iconveh_question_mark, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4284 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
|
4285 NULL, |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4286 &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
|
4287 < 0) |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4288 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4289 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
|
4290 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
|
4291 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
|
4292 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
|
4293 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
|
4294 CLEANUP (); |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4295 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
|
4296 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
|
4297 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4298 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
|
4299 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
|
4300 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
|
4301 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
|
4302 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4303 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4304 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4305 /* 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
|
4306 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
|
4307 # 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
|
4308 /* 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
|
4309 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
|
4310 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
|
4311 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
|
4312 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4313 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4314 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
|
4315 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
|
4316 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
|
4317 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4318 # 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
|
4319 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
|
4320 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4321 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
|
4322 /* 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
|
4323 (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
|
4324 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
|
4325 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4326 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4327 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4328 /* 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
|
4329 (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
|
4330 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
|
4331 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
|
4332 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4333 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4334 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
|
4335 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
|
4336 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4337 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
|
4338 /* 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
|
4339 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
|
4340 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
|
4341 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
|
4342 *--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
|
4343 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4344 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4345 #endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4346 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4347 #if DCHAR_IS_TCHAR && !USE_SNPRINTF |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4348 /* Make room for the result. */ |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4349 if (count > allocated - length) |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4350 { |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4351 /* Need at least count elements. But allocate |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4352 proportionally. */ |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4353 size_t n = |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4354 xmax (xsum (length, count), xtimes (allocated, 2)); |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4355 |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4356 ENSURE_ALLOCATION (n); |
|
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4357 } |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4358 #endif |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4359 |
|
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4360 /* Here count <= allocated - length. */ |
|
8837
6d6277df29a9
Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents:
8835
diff
changeset
|
4361 |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4362 /* Perform padding. */ |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4363 #if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4364 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
|
4365 { |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4366 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
|
4367 # 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
|
4368 /* 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
|
4369 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
|
4370 value. */ |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4371 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
|
4372 # else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4373 /* 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
|
4374 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
|
4375 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
|
4376 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4377 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
|
4378 { |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4379 size_t pad = width - w; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4380 # 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
|
4381 /* 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
|
4382 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
|
4383 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4384 /* 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
|
4385 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
|
4386 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
|
4387 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
|
4388 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
|
4389 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4390 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
|
4391 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
|
4392 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
|
4393 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4394 /* Here count + pad <= allocated - length. */ |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4395 # 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
|
4396 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4397 # 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
|
4398 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
|
4399 # 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
|
4400 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
|
4401 # 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
|
4402 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
|
4403 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
|
4404 # if NEED_PRINTF_FLAG_ZERO |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4405 DCHAR_T *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
|
4406 # 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
|
4407 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
|
4408 || 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
|
4409 /* 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
|
4410 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
|
4411 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4412 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4413 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4414 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
|
4415 /* 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
|
4416 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
|
4417 || (*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
|
4418 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
|
4419 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4420 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4421 /* 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
|
4422 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
|
4423 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
|
4424 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4425 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
|
4426 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4427 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
|
4428 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4429 /* 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
|
4430 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
|
4431 *p++ = ' '; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4432 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4433 # if NEED_PRINTF_FLAG_ZERO |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4434 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
|
4435 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4436 /* 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
|
4437 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
|
4438 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4439 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
|
4440 *--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
|
4441 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
|
4442 *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
|
4443 } |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4444 # endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4445 else |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4446 { |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4447 /* 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
|
4448 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
|
4449 |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4450 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
|
4451 *--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
|
4452 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
|
4453 *p++ = ' '; |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4454 } |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4455 } |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4456 } |
|
8804
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4457 } |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4458 #endif |
|
6ce313658b4d
Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents:
8803
diff
changeset
|
4459 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4460 #if DCHAR_IS_TCHAR && !USE_SNPRINTF |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4461 if (count >= tmp_length) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4462 /* tmp_length was incorrectly calculated - fix the |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4463 code above! */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4464 abort (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4465 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4466 |
|
8963
f2b97e5b14f5
Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents:
8962
diff
changeset
|
4467 /* Here still count <= allocated - length. */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4468 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4469 #if !DCHAR_IS_TCHAR || USE_SNPRINTF |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4470 /* The snprintf() result did fit. */ |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4471 #else |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4472 /* Append the sprintf() result. */ |
| 8961 | 4473 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
|
4474 #endif |
|
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4475 #if !USE_SNPRINTF |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4476 if (tmp != tmpbuf) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4477 free (tmp); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4478 #endif |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4479 |
|
8664
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4480 #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
|
4481 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
|
4482 { |
|
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4483 /* Convert the %f result to upper case for %F. */ |
| 8961 | 4484 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
|
4485 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
|
4486 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
|
4487 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
|
4488 *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
|
4489 } |
|
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4490 #endif |
|
40c507f55b0f
Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents:
8655
diff
changeset
|
4491 |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4492 length += count; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4493 break; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4494 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4495 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4496 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4497 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4498 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4499 /* Add the final NUL. */ |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4500 ENSURE_ALLOCATION (xsum (length, 1)); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4501 result[length] = '\0'; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4502 |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4503 if (result != resultbuf && length + 1 < allocated) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4504 { |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4505 /* Shrink the allocated memory if possible. */ |
| 8961 | 4506 DCHAR_T *memory; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4507 |
| 8961 | 4508 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
|
4509 if (memory != NULL) |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4510 result = memory; |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4511 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4512 |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4513 if (buf_malloced != NULL) |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4514 free (buf_malloced); |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4515 CLEANUP (); |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4516 *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
|
4517 /* 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
|
4518 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
|
4519 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
|
4520 not have this limitation. */ |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4521 return result; |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4522 |
|
8468
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4523 overflow: |
|
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4524 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
|
4525 free (result); |
|
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4526 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
|
4527 free (buf_malloced); |
|
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4528 CLEANUP (); |
|
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4529 errno = EOVERFLOW; |
|
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4530 return NULL; |
|
336e69863755
Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents:
8465
diff
changeset
|
4531 |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4532 out_of_memory: |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4533 if (!(result == resultbuf || result == NULL)) |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4534 free (result); |
|
4879
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4535 if (buf_malloced != NULL) |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4536 free (buf_malloced); |
|
9b96adbed643
Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents:
4872
diff
changeset
|
4537 out_of_memory_1: |
|
4872
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4538 CLEANUP (); |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4539 errno = ENOMEM; |
|
c5afc99b8ce5
Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents:
4871
diff
changeset
|
4540 return NULL; |
|
4224
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4541 } |
|
83eabea25586
New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff
changeset
|
4542 } |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4543 |
|
8973
7df86a1985e4
Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents:
8963
diff
changeset
|
4544 #undef TCHARS_PER_DCHAR |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4545 #undef SNPRINTF |
|
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4546 #undef USE_SNPRINTF |
|
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4547 #undef PRINTF_PARSE |
|
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4548 #undef DIRECTIVES |
|
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4549 #undef DIRECTIVE |
| 8961 | 4550 #undef TCHAR_T |
| 4551 #undef DCHAR_T | |
| 4552 #undef FCHAR_T | |
|
4871
87df35000dab
Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents:
4801
diff
changeset
|
4553 #undef VASNPRINTF |