annotate lib/vasnprintf.c @ 10001:facc928673d7

Declare rpmatch.
author Bruno Haible <bruno@clisp.org>
date Tue, 29 Apr 2008 02:55:59 +0200
parents 0471a8660b70
children e4945463e1bf
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rev   line source
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1 /* vsprintf with automatic memory allocation.
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2 Copyright (C) 1999, 2002-2008 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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a48fb0e98c8c *** 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 "isnand.h"
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99 #endif
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100
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101 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE) && !defined IN_LIBINTL
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102 # include <math.h>
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103 # include "isnanl-nolibm.h"
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104 # include "fpucw.h"
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105 #endif
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106
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107 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
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108 # include <math.h>
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109 # include "isnand.h"
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110 # include "printf-frexp.h"
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111 #endif
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112
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113 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
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114 # include <math.h>
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115 # include "isnanl-nolibm.h"
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116 # include "printf-frexpl.h"
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117 # include "fpucw.h"
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118 #endif
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119
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120 #if HAVE_WCHAR_T
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121 # if HAVE_WCSLEN
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122 # define local_wcslen wcslen
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123 # else
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124 /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid
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125 a dependency towards this library, here is a local substitute.
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126 Define this substitute only once, even if this file is included
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127 twice in the same compilation unit. */
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128 # ifndef local_wcslen_defined
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129 # define local_wcslen_defined 1
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130 static size_t
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131 local_wcslen (const wchar_t *s)
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132 {
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133 const wchar_t *ptr;
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134
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135 for (ptr = s; *ptr != (wchar_t) 0; ptr++)
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136 ;
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137 return ptr - s;
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138 }
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139 # endif
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140 # endif
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141 #endif
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142
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143 /* Default parameters. */
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144 #ifndef VASNPRINTF
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145 # if WIDE_CHAR_VERSION
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146 # define VASNPRINTF vasnwprintf
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147 # define FCHAR_T wchar_t
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148 # define DCHAR_T wchar_t
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149 # define TCHAR_T wchar_t
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150 # define DCHAR_IS_TCHAR 1
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151 # define DIRECTIVE wchar_t_directive
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152 # define DIRECTIVES wchar_t_directives
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153 # define PRINTF_PARSE wprintf_parse
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154 # define DCHAR_CPY wmemcpy
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155 # else
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156 # define VASNPRINTF vasnprintf
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157 # define FCHAR_T char
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158 # define DCHAR_T char
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159 # define TCHAR_T char
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160 # define DCHAR_IS_TCHAR 1
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161 # define DIRECTIVE char_directive
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162 # define DIRECTIVES char_directives
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163 # define PRINTF_PARSE printf_parse
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164 # define DCHAR_CPY memcpy
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165 # endif
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166 #endif
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167 #if WIDE_CHAR_VERSION
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168 /* TCHAR_T is wchar_t. */
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169 # define USE_SNPRINTF 1
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170 # if HAVE_DECL__SNWPRINTF
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171 /* On Windows, the function swprintf() has a different signature than
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172 on Unix; we use the _snwprintf() function instead. */
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173 # define SNPRINTF _snwprintf
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174 # else
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175 /* Unix. */
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176 # define SNPRINTF swprintf
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177 # endif
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178 #else
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179 /* TCHAR_T is char. */
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180 /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'.
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181 But don't use it on BeOS, since BeOS snprintf produces no output if the
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182 size argument is >= 0x3000000.
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183 Also don't use it on Linux libc5, since there snprintf with size = 1
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184 writes any output without bounds, like sprintf. */
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185 # if (HAVE_DECL__SNPRINTF || HAVE_SNPRINTF) && !defined __BEOS__ && !(__GNU_LIBRARY__ == 1)
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186 # define USE_SNPRINTF 1
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187 # else
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188 # define USE_SNPRINTF 0
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189 # endif
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190 # if HAVE_DECL__SNPRINTF
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191 /* Windows. */
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192 # define SNPRINTF _snprintf
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193 # else
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194 /* Unix. */
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195 # define SNPRINTF snprintf
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196 /* Here we need to call the native snprintf, not rpl_snprintf. */
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197 # undef snprintf
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198 # endif
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199 #endif
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200 /* Here we need to call the native sprintf, not rpl_sprintf. */
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201 #undef sprintf
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202
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203 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL
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204 /* Determine the decimal-point character according to the current locale. */
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205 # ifndef decimal_point_char_defined
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206 # define decimal_point_char_defined 1
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207 static char
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208 decimal_point_char ()
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209 {
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210 const char *point;
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211 /* Determine it in a multithread-safe way. We know nl_langinfo is
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212 multithread-safe on glibc systems, but is not required to be multithread-
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213 safe by POSIX. sprintf(), however, is multithread-safe. localeconv()
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214 is rarely multithread-safe. */
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215 # if HAVE_NL_LANGINFO && __GLIBC__
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216 point = nl_langinfo (RADIXCHAR);
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diff changeset
217 # elif 1
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218 char pointbuf[5];
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diff changeset
219 sprintf (pointbuf, "%#.0f", 1.0);
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220 point = &pointbuf[1];
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221 # else
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222 point = localeconv () -> decimal_point;
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223 # endif
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224 /* The decimal point is always a single byte: either '.' or ','. */
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225 return (point[0] != '\0' ? point[0] : '.');
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226 }
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227 # endif
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228 #endif
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229
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230 #if NEED_PRINTF_INFINITE_DOUBLE && !NEED_PRINTF_DOUBLE && !defined IN_LIBINTL
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231
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232 /* Equivalent to !isfinite(x) || x == 0, but does not require libm. */
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233 static int
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diff changeset
234 is_infinite_or_zero (double x)
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235 {
9646
a113e473cc98 Rename isnan, applicable to 'double' only, to isnand.
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236 return isnand (x) || x + x == x;
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237 }
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238
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239 #endif
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240
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241 #if NEED_PRINTF_INFINITE_LONG_DOUBLE && !NEED_PRINTF_LONG_DOUBLE && !defined IN_LIBINTL
8860
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242
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
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diff changeset
243 /* Equivalent to !isfinite(x), but does not require libm. */
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diff changeset
244 static int
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diff changeset
245 is_infinitel (long double x)
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246 {
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247 return isnanl (x) || (x + x == x && x != 0.0L);
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248 }
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249
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
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diff changeset
250 #endif
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diff changeset
251
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diff changeset
252 #if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
8832
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253
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diff changeset
254 /* Converting 'long double' to decimal without rare rounding bugs requires
1466c973f476 Add support for 'long double' number output.
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diff changeset
255 real bignums. We use the naming conventions of GNU gmp, but vastly simpler
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diff changeset
256 (and slower) algorithms. */
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diff changeset
257
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258 typedef unsigned int mp_limb_t;
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259 # define GMP_LIMB_BITS 32
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260 typedef int mp_limb_verify[2 * (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS) - 1];
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261
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262 typedef unsigned long long mp_twolimb_t;
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263 # define GMP_TWOLIMB_BITS 64
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264 typedef int mp_twolimb_verify[2 * (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS) - 1];
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265
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266 /* Representation of a bignum >= 0. */
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267 typedef struct
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268 {
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269 size_t nlimbs;
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270 mp_limb_t *limbs; /* Bits in little-endian order, allocated with malloc(). */
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271 } mpn_t;
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272
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273 /* Compute the product of two bignums >= 0.
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274 Return the allocated memory in case of success, NULL in case of memory
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275 allocation failure. */
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276 static void *
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277 multiply (mpn_t src1, mpn_t src2, mpn_t *dest)
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278 {
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279 const mp_limb_t *p1;
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280 const mp_limb_t *p2;
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281 size_t len1;
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282 size_t len2;
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283
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284 if (src1.nlimbs <= src2.nlimbs)
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285 {
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286 len1 = src1.nlimbs;
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287 p1 = src1.limbs;
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288 len2 = src2.nlimbs;
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289 p2 = src2.limbs;
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290 }
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291 else
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292 {
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293 len1 = src2.nlimbs;
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294 p1 = src2.limbs;
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295 len2 = src1.nlimbs;
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296 p2 = src1.limbs;
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297 }
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298 /* Now 0 <= len1 <= len2. */
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299 if (len1 == 0)
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300 {
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301 /* src1 or src2 is zero. */
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302 dest->nlimbs = 0;
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303 dest->limbs = (mp_limb_t *) malloc (1);
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304 }
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305 else
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306 {
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307 /* Here 1 <= len1 <= len2. */
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308 size_t dlen;
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309 mp_limb_t *dp;
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310 size_t k, i, j;
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311
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312 dlen = len1 + len2;
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313 dp = (mp_limb_t *) malloc (dlen * sizeof (mp_limb_t));
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314 if (dp == NULL)
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315 return NULL;
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316 for (k = len2; k > 0; )
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317 dp[--k] = 0;
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318 for (i = 0; i < len1; i++)
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319 {
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320 mp_limb_t digit1 = p1[i];
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321 mp_twolimb_t carry = 0;
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322 for (j = 0; j < len2; j++)
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323 {
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324 mp_limb_t digit2 = p2[j];
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325 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
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326 carry += dp[i + j];
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327 dp[i + j] = (mp_limb_t) carry;
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328 carry = carry >> GMP_LIMB_BITS;
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329 }
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330 dp[i + len2] = (mp_limb_t) carry;
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331 }
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332 /* Normalise. */
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333 while (dlen > 0 && dp[dlen - 1] == 0)
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334 dlen--;
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335 dest->nlimbs = dlen;
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336 dest->limbs = dp;
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337 }
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338 return dest->limbs;
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339 }
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340
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341 /* Compute the quotient of a bignum a >= 0 and a bignum b > 0.
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342 a is written as a = q * b + r with 0 <= r < b. q is the quotient, r
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343 the remainder.
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344 Finally, round-to-even is performed: If r > b/2 or if r = b/2 and q is odd,
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345 q is incremented.
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346 Return the allocated memory in case of success, NULL in case of memory
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347 allocation failure. */
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348 static void *
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349 divide (mpn_t a, mpn_t b, mpn_t *q)
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350 {
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351 /* Algorithm:
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352 First normalise a and b: a=[a[m-1],...,a[0]], b=[b[n-1],...,b[0]]
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353 with m>=0 and n>0 (in base beta = 2^GMP_LIMB_BITS).
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354 If m<n, then q:=0 and r:=a.
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355 If m>=n=1, perform a single-precision division:
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356 r:=0, j:=m,
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357 while j>0 do
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358 {Here (q[m-1]*beta^(m-1)+...+q[j]*beta^j) * b[0] + r*beta^j =
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359 = a[m-1]*beta^(m-1)+...+a[j]*beta^j und 0<=r<b[0]<beta}
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360 j:=j-1, r:=r*beta+a[j], q[j]:=floor(r/b[0]), r:=r-b[0]*q[j].
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361 Normalise [q[m-1],...,q[0]], yields q.
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362 If m>=n>1, perform a multiple-precision division:
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363 We have a/b < beta^(m-n+1).
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364 s:=intDsize-1-(hightest bit in b[n-1]), 0<=s<intDsize.
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365 Shift a and b left by s bits, copying them. r:=a.
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366 r=[r[m],...,r[0]], b=[b[n-1],...,b[0]] with b[n-1]>=beta/2.
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367 For j=m-n,...,0: {Here 0 <= r < b*beta^(j+1).}
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368 Compute q* :
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369 q* := floor((r[j+n]*beta+r[j+n-1])/b[n-1]).
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370 In case of overflow (q* >= beta) set q* := beta-1.
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371 Compute c2 := ((r[j+n]*beta+r[j+n-1]) - q* * b[n-1])*beta + r[j+n-2]
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372 and c3 := b[n-2] * q*.
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373 {We have 0 <= c2 < 2*beta^2, even 0 <= c2 < beta^2 if no overflow
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374 occurred. Furthermore 0 <= c3 < beta^2.
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375 If there was overflow and
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376 r[j+n]*beta+r[j+n-1] - q* * b[n-1] >= beta, i.e. c2 >= beta^2,
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377 the next test can be skipped.}
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378 While c3 > c2, {Here 0 <= c2 < c3 < beta^2}
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379 Put q* := q* - 1, c2 := c2 + b[n-1]*beta, c3 := c3 - b[n-2].
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380 If q* > 0:
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381 Put r := r - b * q* * beta^j. In detail:
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382 [r[n+j],...,r[j]] := [r[n+j],...,r[j]] - q* * [b[n-1],...,b[0]].
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383 hence: u:=0, for i:=0 to n-1 do
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384 u := u + q* * b[i],
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385 r[j+i]:=r[j+i]-(u mod beta) (+ beta, if carry),
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386 u:=u div beta (+ 1, if carry in subtraction)
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387 r[n+j]:=r[n+j]-u.
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388 {Since always u = (q* * [b[i-1],...,b[0]] div beta^i) + 1
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389 < q* + 1 <= beta,
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390 the carry u does not overflow.}
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diff changeset
391 If a negative carry occurs, put q* := q* - 1
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
392 and [r[n+j],...,r[j]] := [r[n+j],...,r[j]] + [0,b[n-1],...,b[0]].
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
393 Set q[j] := q*.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
394 Normalise [q[m-n],..,q[0]]; this yields the quotient q.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
395 Shift [r[n-1],...,r[0]] right by s bits and normalise; this yields the
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
396 rest r.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
397 The room for q[j] can be allocated at the memory location of r[n+j].
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
398 Finally, round-to-even:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
399 Shift r left by 1 bit.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
400 If r > b or if r = b and q[0] is odd, q := q+1.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
401 */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
402 const mp_limb_t *a_ptr = a.limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
403 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
404 const mp_limb_t *b_ptr = b.limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
405 size_t b_len = b.nlimbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
406 mp_limb_t *roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
407 mp_limb_t *tmp_roomptr = NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
408 mp_limb_t *q_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
409 size_t q_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
410 mp_limb_t *r_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
411 size_t r_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
412
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
413 /* Allocate room for a_len+2 digits.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
414 (Need a_len+1 digits for the real division and 1 more digit for the
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
415 final rounding of q.) */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
416 roomptr = (mp_limb_t *) malloc ((a_len + 2) * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
417 if (roomptr == NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
418 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
419
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
420 /* Normalise a. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
421 while (a_len > 0 && a_ptr[a_len - 1] == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
422 a_len--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
423
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
424 /* Normalise b. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
425 for (;;)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
426 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
427 if (b_len == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
428 /* Division by zero. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
429 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
430 if (b_ptr[b_len - 1] == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
431 b_len--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
432 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
433 break;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
434 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
435
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
436 /* Here m = a_len >= 0 and n = b_len > 0. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
437
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
438 if (a_len < b_len)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
439 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
440 /* m<n: trivial case. q=0, r := copy of a. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
441 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
442 r_len = a_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
443 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
444 q_ptr = roomptr + a_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
445 q_len = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
446 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
447 else if (b_len == 1)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
448 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
449 /* n=1: single precision division.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
450 beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
451 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
452 q_ptr = roomptr + 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
453 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
454 mp_limb_t den = b_ptr[0];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
455 mp_limb_t remainder = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
456 const mp_limb_t *sourceptr = a_ptr + a_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
457 mp_limb_t *destptr = q_ptr + a_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
458 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
459 for (count = a_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
460 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
461 mp_twolimb_t num =
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
462 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--sourceptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
463 *--destptr = num / den;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
464 remainder = num % den;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
465 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
466 /* Normalise and store r. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
467 if (remainder > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
468 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
469 r_ptr[0] = remainder;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
470 r_len = 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
471 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
472 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
473 r_len = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
474 /* Normalise q. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
475 q_len = a_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
476 if (q_ptr[q_len - 1] == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
477 q_len--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
478 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
479 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
480 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
481 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
482 /* n>1: multiple precision division.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
483 beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==>
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
484 beta^(m-n-1) <= a/b < beta^(m-n+1). */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
485 /* Determine s. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
486 size_t s;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
487 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
488 mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
489 s = 31;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
490 if (msd >= 0x10000)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
491 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
492 msd = msd >> 16;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
493 s -= 16;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
494 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
495 if (msd >= 0x100)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
496 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
497 msd = msd >> 8;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
498 s -= 8;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
499 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
500 if (msd >= 0x10)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
501 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
502 msd = msd >> 4;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
503 s -= 4;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
504 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
505 if (msd >= 0x4)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
506 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
507 msd = msd >> 2;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
508 s -= 2;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
509 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
510 if (msd >= 0x2)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
511 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
512 msd = msd >> 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
513 s -= 1;
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 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
516 /* 0 <= s < GMP_LIMB_BITS.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
517 Copy b, shifting it left by s bits. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
518 if (s > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
519 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
520 tmp_roomptr = (mp_limb_t *) malloc (b_len * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
521 if (tmp_roomptr == NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
522 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
523 free (roomptr);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
524 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
525 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
526 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
527 const mp_limb_t *sourceptr = b_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
528 mp_limb_t *destptr = tmp_roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
529 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
530 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
531 for (count = b_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
532 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
533 accu += (mp_twolimb_t) *sourceptr++ << s;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
534 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
535 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
536 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
537 /* 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
538 if (accu != 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
539 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
540 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
541 b_ptr = tmp_roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
542 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
543 /* 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
544 Memory layout:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
545 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
546 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
547 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
548 if (s == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
549 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
550 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
551 r_ptr[a_len] = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
552 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
553 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
554 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
555 const mp_limb_t *sourceptr = a_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
556 mp_limb_t *destptr = r_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
557 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
558 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
559 for (count = a_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
560 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
561 accu += (mp_twolimb_t) *sourceptr++ << s;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
562 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
563 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
564 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
565 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
566 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
567 q_ptr = roomptr + b_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
568 q_len = a_len - b_len + 1; /* q will have m-n+1 limbs */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
569 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
570 size_t j = a_len - b_len; /* m-n */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
571 mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
572 mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
573 mp_twolimb_t b_msdd = /* b[n-1]*beta+b[n-2] */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
574 ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) | b_2msd;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
575 /* Division loop, traversed m-n+1 times.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
576 j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
577 for (;;)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
578 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
579 mp_limb_t q_star;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
580 mp_limb_t c1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
581 if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
582 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
583 /* Divide r[j+n]*beta+r[j+n-1] by b[n-1], no overflow. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
584 mp_twolimb_t num =
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
585 ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
586 | r_ptr[j + b_len - 1];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
587 q_star = num / b_msd;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
588 c1 = num % b_msd;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
589 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
590 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
591 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
592 /* Overflow, hence r[j+n]*beta+r[j+n-1] >= beta*b[n-1]. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
593 q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
594 /* Test whether r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] >= beta
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
595 <==> r[j+n]*beta+r[j+n-1] + b[n-1] >= beta*b[n-1]+beta
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
596 <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
597 {<= beta !}.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
598 If yes, jump directly to the subtraction loop.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
599 (Otherwise, r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] < beta
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
600 <==> floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
601 if (r_ptr[j + b_len] > b_msd
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
602 || (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
603 /* r[j+n] >= b[n-1]+1 or
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
604 r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
605 carry. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
606 goto subtract;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
607 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
608 /* q_star = q*,
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
609 c1 = (r[j+n]*beta+r[j+n-1]) - q* * b[n-1] (>=0, <beta). */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
610 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
611 mp_twolimb_t c2 = /* c1*beta+r[j+n-2] */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
612 ((mp_twolimb_t) c1 << GMP_LIMB_BITS) | r_ptr[j + b_len - 2];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
613 mp_twolimb_t c3 = /* b[n-2] * q* */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
614 (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
615 /* While c2 < c3, increase c2 and decrease c3.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
616 Consider c3-c2. While it is > 0, decrease it by
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
617 b[n-1]*beta+b[n-2]. Because of b[n-1]*beta+b[n-2] >= beta^2/2
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
618 this can happen only twice. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
619 if (c3 > c2)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
620 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
621 q_star = q_star - 1; /* q* := q* - 1 */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
622 if (c3 - c2 > b_msdd)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
623 q_star = q_star - 1; /* q* := q* - 1 */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
624 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
625 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
626 if (q_star > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
627 subtract:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
628 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
629 /* Subtract r := r - b * q* * beta^j. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
630 mp_limb_t cr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
631 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
632 const mp_limb_t *sourceptr = b_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
633 mp_limb_t *destptr = r_ptr + j;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
634 mp_twolimb_t carry = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
635 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
636 for (count = b_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
637 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
638 /* Here 0 <= carry <= q*. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
639 carry =
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
640 carry
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
641 + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
642 + (mp_limb_t) ~(*destptr);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
643 /* Here 0 <= carry <= beta*q* + beta-1. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
644 *destptr++ = ~(mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
645 carry = carry >> GMP_LIMB_BITS; /* <= q* */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
646 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
647 cr = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
648 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
649 /* Subtract cr from r_ptr[j + b_len], then forget about
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
650 r_ptr[j + b_len]. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
651 if (cr > r_ptr[j + b_len])
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
652 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
653 /* Subtraction gave a carry. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
654 q_star = q_star - 1; /* q* := q* - 1 */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
655 /* Add b back. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
656 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
657 const mp_limb_t *sourceptr = b_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
658 mp_limb_t *destptr = r_ptr + j;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
659 mp_limb_t carry = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
660 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
661 for (count = b_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
662 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
663 mp_limb_t source1 = *sourceptr++;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
664 mp_limb_t source2 = *destptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
665 *destptr++ = source1 + source2 + 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 (carry
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 : source1 > (mp_limb_t) ~source2);
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 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
672 /* 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
673 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
674 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
675 /* 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
676 q_ptr[j] = q_star;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
677 if (j == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
678 break;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
679 j--;
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 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
682 r_len = b_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
683 /* Normalise q. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
684 if (q_ptr[q_len - 1] == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
685 q_len--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
686 # 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
687 b is shifted left by s bits. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
688 /* Shift r right by s bits. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
689 if (s > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
690 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
691 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
692 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
693 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
694 for (count = r_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
695 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
696 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
697 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
698 *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
699 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
700 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
701 # endif
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
702 /* Normalise r. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
703 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
704 r_len--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
705 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
706 /* Compare r << 1 with b. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
707 if (r_len > b_len)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
708 goto increment_q;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
709 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
710 size_t i;
8835
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
711 for (i = b_len;;)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
712 {
8835
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
713 mp_limb_t r_i =
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
714 (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
715 | (i < r_len ? r_ptr[i] << 1 : 0);
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
716 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
717 if (r_i > b_i)
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
718 goto increment_q;
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
719 if (r_i < b_i)
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
720 goto keep_q;
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
721 if (i == 0)
c06bc412ffc3 Fix small bug in 'divide' function.
Bruno Haible <bruno@clisp.org>
parents: 8832
diff changeset
722 break;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
723 i--;
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 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
726 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
727 /* q is odd. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
728 increment_q:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
729 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
730 size_t i;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
731 for (i = 0; i < q_len; i++)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
732 if (++(q_ptr[i]) != 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
733 goto keep_q;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
734 q_ptr[q_len++] = 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
735 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
736 keep_q:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
737 if (tmp_roomptr != NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
738 free (tmp_roomptr);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
739 q->limbs = q_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
740 q->nlimbs = q_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
741 return roomptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
742 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
743
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
744 /* 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
745 representation.
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
746 Destroys the contents of a.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
747 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
748 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
749 of memory allocation failure. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
750 static char *
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
751 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
752 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
753 mp_limb_t *a_ptr = a.limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
754 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
755 /* 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
756 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
757 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
758 if (c_ptr != NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
759 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
760 char *d_ptr = c_ptr;
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
761 for (; extra_zeroes > 0; extra_zeroes--)
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
762 *d_ptr++ = '0';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
763 while (a_len > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
764 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
765 /* Divide a by 10^9, in-place. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
766 mp_limb_t remainder = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
767 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
768 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
769 for (count = a_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
770 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
771 mp_twolimb_t num =
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
772 ((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
773 *ptr = num / 1000000000;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
774 remainder = num % 1000000000;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
775 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
776 /* Store the remainder as 9 decimal digits. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
777 for (count = 9; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
778 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
779 *d_ptr++ = '0' + (remainder % 10);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
780 remainder = remainder / 10;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
781 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
782 /* Normalize a. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
783 if (a_ptr[a_len - 1] == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
784 a_len--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
785 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
786 /* Remove leading zeroes. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
787 while (d_ptr > c_ptr && d_ptr[-1] == '0')
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
788 d_ptr--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
789 /* But keep at least one zero. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
790 if (d_ptr == c_ptr)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
791 *d_ptr++ = '0';
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
792 /* Terminate the string. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
793 *d_ptr = '\0';
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
794 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
795 return c_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
796 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
797
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
798 # 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
799
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
800 /* Assuming x is finite and >= 0:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
801 write x as x = 2^e * m, where m is a bignum.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
802 Return the allocated memory in case of success, NULL in case of memory
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
803 allocation failure. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
804 static void *
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
805 decode_long_double (long double x, int *ep, mpn_t *mp)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
806 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
807 mpn_t m;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
808 int exp;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
809 long double y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
810 size_t i;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
811
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
812 /* Allocate memory for result. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
813 m.nlimbs = (LDBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
814 m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
815 if (m.limbs == NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
816 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
817 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
818 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
819 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
820 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
821 /* x = 2^exp * y = 2^(exp - LDBL_MANT_BIT) * (y * LDBL_MANT_BIT), and the
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
822 latter is an integer. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
823 /* Convert the mantissa (y * LDBL_MANT_BIT) to a sequence of limbs.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
824 I'm not sure whether it's safe to cast a 'long double' value between
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
825 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
826 'long double' values between 0 and 2^16 (to 'unsigned int' or 'int',
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
827 doesn't matter). */
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
828 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) != 0
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
829 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
830 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
831 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
832 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % (GMP_LIMB_BITS / 2));
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
833 hi = (int) y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
834 y -= hi;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
835 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
836 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
837 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
838 lo = (int) y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
839 y -= lo;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
840 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
841 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
842 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
843 }
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
844 # else
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
845 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
846 mp_limb_t d;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
847 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % GMP_LIMB_BITS);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
848 d = (int) y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
849 y -= d;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
850 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
851 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
852 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = d;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
853 }
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
854 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
855 # endif
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
856 for (i = LDBL_MANT_BIT / GMP_LIMB_BITS; i > 0; )
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
857 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
858 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
859 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
860 hi = (int) y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
861 y -= hi;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
862 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
863 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
864 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
865 lo = (int) y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
866 y -= lo;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
867 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
868 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
869 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
870 }
9489
940605ef6e9e Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents: 9462
diff changeset
871 #if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess
940605ef6e9e Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents: 9462
diff changeset
872 precision. */
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
873 if (!(y == 0.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
874 abort ();
9489
940605ef6e9e Don't abort if the 'long double' type has excess precision.
Bruno Haible <bruno@clisp.org>
parents: 9462
diff changeset
875 #endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
876 /* Normalise. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
877 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
878 m.nlimbs--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
879 *mp = m;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
880 *ep = exp - LDBL_MANT_BIT;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
881 return m.limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
882 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
883
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
884 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
885
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
886 # 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
887
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
888 /* 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
889 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
890 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
891 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
892 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
893 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
894 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
895 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
896 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
897 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
898 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
899
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
900 /* 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
901 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
902 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
903 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
904 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
905 /* 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
906 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
907 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
908 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
909 /* 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
910 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
911 /* 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
912 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
913 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
914 '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
915 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
916 # 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
917 # 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
918 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
919 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
920 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
921 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
922 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
923 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
924 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
925 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
926 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
927 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
928 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
929 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
930 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
931 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
932 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
933 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
934 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
935 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
936 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
937 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
938 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
939 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
940 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
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 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
943 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
944 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
945 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
946 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
947 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
948 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
949 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
950 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
951 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
952 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
953 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
954 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
955 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
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 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
958 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
959 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
960 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
961 /* Normalise. */
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
962 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
963 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
964 *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
965 *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
966 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
967 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
968
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
969 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
970
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
971 /* 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
972 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
973 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
974 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
975 of memory allocation failure. */
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
976 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
977 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
978 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
979 int s;
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
980 size_t extra_zeroes;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
981 unsigned int abs_n;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
982 unsigned int abs_s;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
983 mp_limb_t *pow5_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
984 size_t pow5_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
985 unsigned int s_limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
986 unsigned int s_bits;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
987 mpn_t pow5;
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
988 mpn_t z;
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
989 void *z_memory;
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
990 char *digits;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
991
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
992 if (memory == NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
993 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
994 /* x = 2^e * m, hence
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
995 y = round (2^e * 10^n * m) = round (2^(e+n) * 5^n * m)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
996 = round (2^s * 5^n * m). */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
997 s = e + n;
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
998 extra_zeroes = 0;
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
999 /* Factor out a common power of 10 if possible. */
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1000 if (s > 0 && n > 0)
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1001 {
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1002 extra_zeroes = (s < n ? s : n);
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1003 s -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1004 n -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1005 }
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1006 /* Here y = round (2^s * 5^n * m) * 10^extra_zeroes.
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1007 Before converting to decimal, we need to compute
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1008 z = round (2^s * 5^n * m). */
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1009 /* Compute 5^|n|, possibly shifted by |s| bits if n and s have the same
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1010 sign. 2.322 is slightly larger than log(5)/log(2). */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1011 abs_n = (n >= 0 ? n : -n);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1012 abs_s = (s >= 0 ? s : -s);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1013 pow5_ptr = (mp_limb_t *) malloc (((int)(abs_n * (2.322f / GMP_LIMB_BITS)) + 1
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1014 + abs_s / GMP_LIMB_BITS + 1)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1015 * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1016 if (pow5_ptr == NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1017 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1018 free (memory);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1019 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1020 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1021 /* Initialize with 1. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1022 pow5_ptr[0] = 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1023 pow5_len = 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1024 /* Multiply with 5^|n|. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1025 if (abs_n > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1026 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1027 static mp_limb_t const small_pow5[13 + 1] =
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1028 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1029 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625,
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1030 48828125, 244140625, 1220703125
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1031 };
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1032 unsigned int n13;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1033 for (n13 = 0; n13 <= abs_n; n13 += 13)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1034 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1035 mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1036 size_t j;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1037 mp_twolimb_t carry = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1038 for (j = 0; j < pow5_len; j++)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1039 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1040 mp_limb_t digit2 = pow5_ptr[j];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1041 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
1042 pow5_ptr[j] = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1043 carry = carry >> GMP_LIMB_BITS;
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 if (carry > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1046 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
1047 }
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 s_limbs = abs_s / GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1050 s_bits = abs_s % GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1051 if (n >= 0 ? s >= 0 : s <= 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1052 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1053 /* Multiply with 2^|s|. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1054 if (s_bits > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1055 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1056 mp_limb_t *ptr = pow5_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1057 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1058 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1059 for (count = pow5_len; count > 0; count--)
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 accu += (mp_twolimb_t) *ptr << s_bits;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1062 *ptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1063 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1064 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1065 if (accu > 0)
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 *ptr = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1068 pow5_len++;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1069 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1070 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1071 if (s_limbs > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1072 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1073 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1074 for (count = pow5_len; count > 0;)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1075 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1076 count--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1077 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
1078 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1079 for (count = s_limbs; count > 0;)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1080 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1081 count--;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1082 pow5_ptr[count] = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1083 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1084 pow5_len += s_limbs;
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 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1087 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1088 if (n >= 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1089 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1090 /* Multiply m with pow5. No division needed. */
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1091 z_memory = multiply (m, pow5, &z);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1092 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1093 else
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 /* Divide m by pow5 and round. */
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1096 z_memory = divide (m, pow5, &z);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1097 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1098 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1099 else
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 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1102 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1103 if (n >= 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1104 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1105 /* n >= 0, s < 0.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1106 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
1107 mpn_t numerator;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1108 mpn_t denominator;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1109 void *tmp_memory;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1110 tmp_memory = multiply (m, pow5, &numerator);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1111 if (tmp_memory == 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 free (pow5_ptr);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1114 free (memory);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1115 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1116 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1117 /* Construct 2^|s|. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1118 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1119 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
1120 size_t i;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1121 for (i = 0; i < s_limbs; i++)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1122 ptr[i] = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1123 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
1124 denominator.limbs = ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1125 denominator.nlimbs = s_limbs + 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1126 }
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1127 z_memory = divide (numerator, denominator, &z);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1128 free (tmp_memory);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1129 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1130 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1131 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1132 /* n < 0, s > 0.
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1133 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
1134 mpn_t numerator;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1135 mp_limb_t *num_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1136 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
1137 * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1138 if (num_ptr == 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 free (pow5_ptr);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1141 free (memory);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1142 return NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1143 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1144 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1145 mp_limb_t *destptr = num_ptr;
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 size_t i;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1148 for (i = 0; i < s_limbs; i++)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1149 *destptr++ = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1150 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1151 if (s_bits > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1152 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1153 const mp_limb_t *sourceptr = m.limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1154 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1155 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1156 for (count = m.nlimbs; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1157 {
9445
e0f2eeb1796a Fix output of floating-point values with large exponent.
Bruno Haible <bruno@clisp.org>
parents: 9442
diff changeset
1158 accu += (mp_twolimb_t) *sourceptr++ << s_bits;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1159 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1160 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1161 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1162 if (accu > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1163 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1164 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1165 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1166 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1167 const mp_limb_t *sourceptr = m.limbs;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1168 size_t count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1169 for (count = m.nlimbs; count > 0; count--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1170 *destptr++ = *sourceptr++;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1171 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1172 numerator.limbs = num_ptr;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1173 numerator.nlimbs = destptr - num_ptr;
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 z_memory = divide (numerator, pow5, &z);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1176 free (num_ptr);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1177 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1178 }
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1179 free (pow5_ptr);
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1180 free (memory);
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1181
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1182 /* 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
1183
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1184 if (z_memory == NULL)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1185 return NULL;
8838
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1186 digits = convert_to_decimal (z, extra_zeroes);
db95bdbeb72c Optimize the case of huge precision.
Bruno Haible <bruno@clisp.org>
parents: 8837
diff changeset
1187 free (z_memory);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1188 return digits;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1189 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1190
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1191 # 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
1192
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1193 /* 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
1194 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
1195 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
1196 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
1197 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
1198 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
1199 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
1200 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1201 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
1202 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
1203 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
1204 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
1205 }
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 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1208
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1209 # 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
1210
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1211 /* 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
1212 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
1213 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
1214 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
1215 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
1216 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
1217 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
1218 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1219 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
1220 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
1221 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
1222 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
1223 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1224
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1225 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1226
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1227 # 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
1228
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1229 /* Assuming x is finite and > 0:
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1230 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
1231 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
1232 static int
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1233 floorlog10l (long double x)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1234 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1235 int exp;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1236 long double y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1237 double z;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1238 double l;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1239
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1240 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1241 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1242 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1243 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1244 if (y == 0.0L)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1245 return INT_MIN;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1246 if (y < 0.5L)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1247 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1248 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
1249 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1250 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
1251 exp -= GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1252 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1253 if (y < (1.0L / (1 << 16)))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1254 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1255 y *= 1.0L * (1 << 16);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1256 exp -= 16;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1257 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1258 if (y < (1.0L / (1 << 8)))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1259 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1260 y *= 1.0L * (1 << 8);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1261 exp -= 8;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1262 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1263 if (y < (1.0L / (1 << 4)))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1264 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1265 y *= 1.0L * (1 << 4);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1266 exp -= 4;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1267 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1268 if (y < (1.0L / (1 << 2)))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1269 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1270 y *= 1.0L * (1 << 2);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1271 exp -= 2;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1272 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1273 if (y < (1.0L / (1 << 1)))
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 y *= 1.0L * (1 << 1);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1276 exp -= 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1277 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1278 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1279 if (!(y >= 0.5L && y < 1.0L))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1280 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1281 /* 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
1282 l = exp;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1283 z = y;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1284 if (z < 0.70710678118654752444)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1285 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1286 z *= 1.4142135623730950488;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1287 l -= 0.5;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1288 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1289 if (z < 0.8408964152537145431)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1290 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1291 z *= 1.1892071150027210667;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1292 l -= 0.25;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1293 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1294 if (z < 0.91700404320467123175)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1295 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1296 z *= 1.0905077326652576592;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1297 l -= 0.125;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1298 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1299 if (z < 0.9576032806985736469)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1300 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1301 z *= 1.0442737824274138403;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1302 l -= 0.0625;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1303 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1304 /* Now 0.95 <= z <= 1.01. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1305 z = 1 - z;
9939
11aa2931dfc7 Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents: 9938
diff changeset
1306 /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1307 Four terms are enough to get an approximation with error < 10^-7. */
9939
11aa2931dfc7 Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents: 9938
diff changeset
1308 l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25)));
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1309 /* 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
1310 log10(x). */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1311 l *= 0.30102999566398119523;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1312 /* Round down to the next integer. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1313 return (int) l + (l < 0 ? -1 : 0);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1314 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1315
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1316 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1317
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1318 # 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
1319
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1320 /* 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
1321 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
1322 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
1323 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
1324 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
1325 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1326 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
1327 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
1328 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
1329 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
1330
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1331 /* 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
1332 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
1333 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
1334 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1335 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
1336 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
1337 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
1338 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1339 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
1340 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1341 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
1342 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
1343 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1344 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
1345 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1346 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
1347 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
1348 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1349 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
1350 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1351 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
1352 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
1353 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1354 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
1355 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1356 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
1357 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
1358 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1359 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
1360 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1361 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
1362 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
1363 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1364 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
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 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
1367 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
1368 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1369 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1370 if (!(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
1371 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1372 /* 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
1373 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
1374 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
1375 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
1376 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1377 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
1378 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
1379 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1380 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
1381 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1382 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
1383 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
1384 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1385 if (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
1386 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1387 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
1388 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
1389 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1390 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
1391 {
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 *= 1.0442737824274138403;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1393 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
1394 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1395 /* 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
1396 z = 1 - z;
9939
11aa2931dfc7 Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents: 9938
diff changeset
1397 /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...)
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1398 Four terms are enough to get an approximation with error < 10^-7. */
9939
11aa2931dfc7 Make floorlog10 function more precise.
Bruno Haible <bruno@clisp.org>
parents: 9938
diff changeset
1399 l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25)));
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1400 /* 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
1401 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
1402 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
1403 /* 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
1404 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
1405 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1406
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1407 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
1408
9938
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1409 /* Tests whether a string of digits consists of exactly PRECISION zeroes and
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1410 a single '1' digit. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1411 static int
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1412 is_borderline (const char *digits, size_t precision)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1413 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1414 for (; precision > 0; precision--, digits++)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1415 if (*digits != '0')
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1416 return 0;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1417 if (*digits != '1')
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1418 return 0;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1419 digits++;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1420 return *digits == '\0';
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1421 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
1422
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1423 #endif
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
1424
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1425 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
1426 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
1427 const FCHAR_T *format, va_list args)
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1428 {
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1429 DIRECTIVES d;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1430 arguments a;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1431
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1432 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
1433 /* errno is already set. */
290aa46b4526 Fix out-of-memory handling of vasnprintf.
Bruno Haible <bruno@clisp.org>
parents: 9371
diff changeset
1434 return NULL;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1435
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1436 #define CLEANUP() \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1437 free (d.dir); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1438 if (a.arg) \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1439 free (a.arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1440
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1441 if (PRINTF_FETCHARGS (args, &a) < 0)
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1442 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1443 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1444 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1445 return NULL;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1446 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1447
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1448 {
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1449 size_t buf_neededlength;
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1450 TCHAR_T *buf;
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1451 TCHAR_T *buf_malloced;
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1452 const FCHAR_T *cp;
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1453 size_t i;
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1454 DIRECTIVE *dp;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1455 /* Output string accumulator. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1456 DCHAR_T *result;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1457 size_t allocated;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1458 size_t length;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1459
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1460 /* 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
1461 sprintf or snprintf. */
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1462 buf_neededlength =
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1463 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
1464 #if HAVE_ALLOCA
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1465 if (buf_neededlength < 4000 / sizeof (TCHAR_T))
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1466 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1467 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
1468 buf_malloced = NULL;
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1469 }
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1470 else
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1471 #endif
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1472 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1473 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
1474 if (size_overflow_p (buf_memsize))
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1475 goto out_of_memory_1;
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1476 buf = (TCHAR_T *) malloc (buf_memsize);
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1477 if (buf == NULL)
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1478 goto out_of_memory_1;
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1479 buf_malloced = buf;
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1480 }
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
1481
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1482 if (resultbuf != NULL)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1483 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1484 result = resultbuf;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1485 allocated = *lengthp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1486 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1487 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1488 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1489 result = NULL;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1490 allocated = 0;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1491 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1492 length = 0;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1493 /* Invariants:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1494 result is either == resultbuf or == NULL or malloc-allocated.
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1495 If length > 0, then result != NULL. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1496
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1497 /* 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
1498 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
1499 #define ENSURE_ALLOCATION(needed) \
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1500 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1501 { \
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1502 size_t memory_size; \
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1503 DCHAR_T *memory; \
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1504 \
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1505 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
1506 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1507 allocated = (needed); \
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1508 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
1509 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
1510 goto out_of_memory; \
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1511 if (result == resultbuf || result == NULL) \
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1512 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
1513 else \
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
1514 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
1515 if (memory == NULL) \
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1516 goto out_of_memory; \
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1517 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
1518 DCHAR_CPY (memory, result, length); \
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
1519 result = memory; \
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1520 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1521
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1522 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
1523 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1524 if (cp != dp->dir_start)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1525 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1526 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
1527 size_t augmented_length = xsum (length, n);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1528
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1529 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
1530 /* 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
1531 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
1532 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
1533 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
1534 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1535 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
1536 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
1537 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1538 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1539 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1540 do
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1541 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
1542 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
1543 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1544 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1545 if (i == d.count)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1546 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1547
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1548 /* Execute a single directive. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1549 if (dp->conversion == '%')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1550 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1551 size_t augmented_length;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1552
4886
e4317f1f2e2c Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents: 4879
diff changeset
1553 if (!(dp->arg_index == ARG_NONE))
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1554 abort ();
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1555 augmented_length = xsum (length, 1);
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1556 ENSURE_ALLOCATION (augmented_length);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1557 result[length] = '%';
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
1558 length = augmented_length;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1559 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1560 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1561 {
4886
e4317f1f2e2c Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents: 4879
diff changeset
1562 if (!(dp->arg_index != ARG_NONE))
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1563 abort ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1564
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1565 if (dp->conversion == 'n')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1566 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1567 switch (a.arg[dp->arg_index].type)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1568 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1569 case TYPE_COUNT_SCHAR_POINTER:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1570 *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
1571 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1572 case TYPE_COUNT_SHORT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1573 *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
1574 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1575 case TYPE_COUNT_INT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1576 *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
1577 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1578 case TYPE_COUNT_LONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1579 *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
1580 break;
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
1581 #if HAVE_LONG_LONG_INT
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1582 case TYPE_COUNT_LONGLONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1583 *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
1584 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1585 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1586 default:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1587 abort ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1588 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1589 }
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1590 #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
1591 /* 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
1592 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
1593 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1594 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
1595 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
1596 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
1597 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
1598 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
1599 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
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 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
1602 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
1603 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
1604 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1605 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
1606 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1607 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
1608
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1609 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
1610 abort ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1611 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
1612 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
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 /* "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
1615 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
1616 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
1617 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
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 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1620 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
1621 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1622 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1623 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1624 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
1625
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1626 do
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1627 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
1628 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
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 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
1631 }
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 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
1634 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
1635 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
1636 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1637 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
1638 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1639 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
1640
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1641 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
1642 abort ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1643 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
1644 /* "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
1645 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
1646 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
1647 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1648 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
1649 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
1650 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1651 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1652 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1653 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1654 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
1655
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1656 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
1657 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
1658 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
1659 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
1660 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1661 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1662
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1663 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
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 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
1666 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1667 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
1668 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
1669 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
1670
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1671 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
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 /* 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
1674 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
1675 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
1676 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
1677 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1678 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
1679 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
1680 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1681 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
1682 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1683 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
1684 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
1685 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
1686 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
1687 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1688 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
1689 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
1690 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1691 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
1692 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1693 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1694 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1695 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
1696 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1697 /* 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
1698 characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1699 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
1700 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
1701 for (;;)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1702 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1703 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
1704 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
1705 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1706 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
1707 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1708 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
1709 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
1710 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
1711 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
1712 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1713 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
1714 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
1715 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1716 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
1717 characters++;
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 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1720 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1721 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1722 /* 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
1723 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
1724 /* 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
1725 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
1726 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1727
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1728 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
1729 && !(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
1730 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1731 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
1732 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
1733 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
1734 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
1735 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1736
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1737 # if 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
1738 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1739 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
1740 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
1741 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
1742 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
1743 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1744 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1745 { /* Convert. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1746 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
1747 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
1748 # 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
1749 /* 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
1750 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
1751 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
1752 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
1753 &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
1754 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1755 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1756 /* 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
1757 converted =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1758 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
1759 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
1760 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
1761 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1762 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1763 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
1764 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
1765 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
1766 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
1767 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
1768 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1769 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
1770 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
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 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
1773 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1774 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
1775 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
1776 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
1777 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1778 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
1779 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1780 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1781
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1782 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
1783 && (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
1784 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1785 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
1786 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
1787 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
1788 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
1789 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1790 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1791 break;
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 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
1794 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1795 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
1796 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
1797 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
1798
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1799 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
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 /* 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
1802 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
1803 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
1804 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
1805 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1806 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
1807 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
1808 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1809 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
1810 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1811 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
1812 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
1813 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
1814 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
1815 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1816 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
1817 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
1818 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1819 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
1820 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1821 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1822 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1823 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
1824 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1825 /* 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
1826 characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1827 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
1828 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
1829 for (;;)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1830 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1831 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
1832 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
1833 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1834 if (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
1835 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1836 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
1837 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
1838 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
1839 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
1840 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1841 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
1842 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
1843 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1844 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
1845 characters++;
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 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1848 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1849 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1850 /* 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
1851 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
1852 /* 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
1853 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
1854 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1855
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1856 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
1857 && !(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
1858 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1859 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
1860 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
1861 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
1862 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
1863 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1864
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1865 # if 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
1866 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1867 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
1868 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
1869 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
1870 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
1871 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1872 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1873 { /* Convert. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1874 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
1875 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
1876 # 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
1877 /* 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
1878 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
1879 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
1880 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
1881 &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
1882 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1883 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1884 /* 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
1885 converted =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1886 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
1887 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
1888 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
1889 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1890 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1891 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
1892 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
1893 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
1894 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
1895 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
1896 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1897 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
1898 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
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 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
1901 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1902 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
1903 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
1904 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
1905 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1906 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
1907 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1908 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1909
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1910 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
1911 && (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
1912 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1913 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
1914 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
1915 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
1916 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
1917 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1918 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1919 break;
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 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
1922 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1923 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
1924 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
1925 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
1926
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1927 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
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 /* 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
1930 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
1931 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
1932 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
1933 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1934 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
1935 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
1936 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1937 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
1938 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1939 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
1940 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
1941 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
1942 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
1943 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1944 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
1945 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
1946 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1947 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
1948 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1949 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1950 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1951 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
1952 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1953 /* 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
1954 characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1955 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
1956 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
1957 for (;;)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1958 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1959 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
1960 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
1961 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1962 if (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
1963 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1964 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
1965 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
1966 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
1967 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
1968 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1969 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
1970 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
1971 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1972 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
1973 characters++;
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 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1976 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1977 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1978 /* 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
1979 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
1980 /* 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
1981 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
1982 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1983
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1984 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
1985 && !(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
1986 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1987 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
1988 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
1989 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
1990 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
1991 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1992
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1993 # if 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
1994 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
1995 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
1996 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
1997 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
1998 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
1999 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2000 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2001 { /* Convert. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2002 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
2003 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
2004 # 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
2005 /* 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
2006 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
2007 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
2008 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
2009 &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
2010 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2011 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2012 /* 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
2013 converted =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2014 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
2015 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
2016 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
2017 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2018 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2019 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
2020 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
2021 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
2022 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
2023 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
2024 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2025 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
2026 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
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 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
2029 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2030 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
2031 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
2032 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
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 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
2035 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2036 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2037
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2038 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
2039 && (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
2040 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2041 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
2042 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
2043 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
2044 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
2045 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2046 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2047 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2048
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2049 default:
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2050 abort ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2051 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2052 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2053 #endif
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2054 #if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2055 else if ((dp->conversion == 'a' || dp->conversion == 'A')
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2056 # if !(NEED_PRINTF_DIRECTIVE_A || (NEED_PRINTF_LONG_DOUBLE && NEED_PRINTF_DOUBLE))
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2057 && (0
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2058 # if NEED_PRINTF_DOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2059 || a.arg[dp->arg_index].type == TYPE_DOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2060 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2061 # if NEED_PRINTF_LONG_DOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2062 || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2063 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2064 )
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2065 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2066 )
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2067 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2068 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
2069 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
2070 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
2071 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
2072 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
2073 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
2074 size_t tmp_length;
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2075 DCHAR_T tmpbuf[700];
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2076 DCHAR_T *tmp;
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2077 DCHAR_T *pad_ptr;
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2078 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
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 = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2081 width = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2082 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
2083 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2084 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
2085 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2086 int arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2087
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2088 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
2089 abort ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2090 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
2091 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
2092 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2093 /* "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
2094 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
2095 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
2096 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
2097 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2098 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2099 width = arg;
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 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2102 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2103 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
2104
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2105 do
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2106 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
2107 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
2108 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2109 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
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 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
2113 precision = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2114 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
2115 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2116 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
2117 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2118 int arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2119
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2120 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
2121 abort ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2122 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
2123 /* "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
2124 were omitted." */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2125 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
2126 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2127 precision = arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2128 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
2129 }
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 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2132 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2133 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
2134
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2135 precision = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2136 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
2137 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
2138 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
2139 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2140 }
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 /* 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
2143 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
2144 tmp_length =
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2145 (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
2146 * 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
2147 )
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2148 + 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
2149 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2150 tmp_length =
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2151 (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
2152 * 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
2153 )
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2154 + 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
2155 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
2156 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
2157 /* 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
2158 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
2159
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2160 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
2161 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
2162
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2163 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
2164
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2165 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
2166 tmp = tmpbuf;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2167 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2168 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2169 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
2170
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2171 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
2172 /* 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
2173 goto out_of_memory;
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2174 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
2175 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
2176 /* 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
2177 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
2178 }
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 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
2181 p = tmp;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2182 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
2183 {
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2184 # if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2185 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
2186
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2187 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
2188 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2189 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
2190 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2191 *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
2192 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2193 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2194 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2195 *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
2196 }
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 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2199 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2200 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
2201 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
2202
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2203 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
2204
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2205 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
2206 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2207 sign = -1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2208 arg = -arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2209 }
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 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
2212 *p++ = '-';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2213 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
2214 *p++ = '+';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2215 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
2216 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2217
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2218 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
2219 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2220 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
2221 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2222 *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
2223 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2224 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2225 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2226 *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
2227 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2228 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2229 else
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 int exponent;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2232 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
2233
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2234 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
2235 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
2236 else
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 exponent = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2239 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
2240 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2241
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2242 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
2243 && 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
2244 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2245 /* 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
2246 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
2247 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
2248
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2249 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
2250 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2251 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
2252 tail -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2253 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
2254 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2255 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
2256 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
2257 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2258 tail = - tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2259 break;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2260 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2261 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
2262 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2263 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
2264 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
2265 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
2266 mantissa += tail;
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
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2269 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2270 *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
2271 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
2272 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2273 int digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2274
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2275 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
2276 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2277 *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
2278 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
2279 || 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
2280 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2281 *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
2282 /* 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
2283 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
2284 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
2285 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2286 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
2287 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
2288 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2289 *p++ = digit
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2290 + (digit < 10
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2291 ? '0'
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2292 : 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
2293 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
2294 precision--;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2295 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2296 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
2297 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2298 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2299 precision--;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2300 }
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 *p++ = dp->conversion - 'A' + 'P';
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2304 # if WIDE_CHAR_VERSION
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2305 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2306 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
2307 { '%', '+', 'd', '\0' };
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2308 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
2309 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2310 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
2311 p++;
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2312 # 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
2313 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
2314 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2315 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
2316 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
2317 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2318 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2319 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2320 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2321 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
2322 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
2323 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
2324 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
2325 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2326 }
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2327 # endif
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2328 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2329
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2330 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
2331 }
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2332 # else
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2333 abort ();
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2334 # endif
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2335 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2336 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2337 {
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2338 # if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2339 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
2340
9646
a113e473cc98 Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents: 9489
diff changeset
2341 if (isnand (arg))
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2342 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2343 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
2344 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2345 *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
2346 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2347 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2348 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2349 *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
2350 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2351 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2352 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2353 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2354 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
2355
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2356 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
2357 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2358 sign = -1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2359 arg = -arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2360 }
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 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
2363 *p++ = '-';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2364 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
2365 *p++ = '+';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2366 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
2367 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2368
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2369 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
2370 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2371 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
2372 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2373 *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
2374 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2375 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2376 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2377 *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
2378 }
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 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2381 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2382 int exponent;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2383 double mantissa;
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 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
2386 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
2387 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2388 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2389 exponent = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2390 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
2391 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2392
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2393 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
2394 && 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
2395 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2396 /* 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
2397 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
2398 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
2399
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2400 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
2401 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2402 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
2403 tail -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2404 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
2405 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2406 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
2407 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
2408 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2409 tail = - tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2410 break;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2411 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2412 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
2413 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2414 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
2415 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
2416 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
2417 mantissa += tail;
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++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2421 *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
2422 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
2423 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2424 int digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2425
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2426 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
2427 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2428 *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
2429 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
2430 || 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
2431 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2432 *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
2433 /* 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
2434 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
2435 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
2436 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2437 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
2438 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
2439 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2440 *p++ = digit
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2441 + (digit < 10
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2442 ? '0'
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2443 : 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
2444 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
2445 precision--;
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 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
2448 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2449 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2450 precision--;
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 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2453 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2454 *p++ = dp->conversion - 'A' + 'P';
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2455 # if WIDE_CHAR_VERSION
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2456 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2457 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
2458 { '%', '+', 'd', '\0' };
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2459 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
2460 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2461 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
2462 p++;
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2463 # 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
2464 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
2465 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2466 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
2467 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
2468 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2469 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2470 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2471 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2472 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
2473 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
2474 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
2475 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
2476 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2477 }
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2478 # endif
8916
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2479 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2480 }
9454
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2481 # else
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2482 abort ();
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives.
Bruno Haible <bruno@clisp.org>
parents: 9450
diff changeset
2483 # endif
8916
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 /* 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
2486 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
2487 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
2488 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2489 size_t pad = width - (p - tmp);
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2490 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
2491
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2492 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
2493 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2494 /* 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
2495 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
2496 *p++ = ' ';
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 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
2499 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2500 /* Pad with zeroes. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2501 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
2502
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2503 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
2504 *--q = *--p;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2505 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
2506 *p++ = '0';
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 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2509 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2510 /* Pad with spaces on the left. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2511 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
2512
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2513 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
2514 *--q = *--p;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2515 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
2516 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2517 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2518
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2519 p = end;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2520 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2521
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2522 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2523 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
2524
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2525 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
2526 /* 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
2527 code above! */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2528 abort ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2529
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2530 /* 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
2531 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
2532 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2533 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
2534
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2535 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
2536 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2537
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2538 /* Append the result. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2539 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
2540 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
2541 free (tmp);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2542 length += count;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2543 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2544 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A.
Bruno Haible <bruno@clisp.org>
parents: 8915
diff changeset
2545 #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
2546 #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
2547 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
2548 || 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
2549 || 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
2550 || 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
2551 && (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
2552 # 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
2553 || 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
2554 # 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
2555 || (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
2556 /* 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
2557 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
2558 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
2559 && 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
2560 # endif
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2561 # 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
2562 || 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
2563 # 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
2564 || (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
2565 /* 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
2566 -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
2567 && 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
2568 # endif
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2569 ))
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2570 {
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2571 # 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
2572 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
2573 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2574 int flags = dp->flags;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2575 int has_width;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2576 size_t width;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2577 int has_precision;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2578 size_t precision;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2579 size_t tmp_length;
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2580 DCHAR_T tmpbuf[700];
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2581 DCHAR_T *tmp;
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2582 DCHAR_T *pad_ptr;
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2583 DCHAR_T *p;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2584
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2585 has_width = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2586 width = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2587 if (dp->width_start != dp->width_end)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2588 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2589 if (dp->width_arg_index != ARG_NONE)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2590 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2591 int arg;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2592
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2593 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
2594 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2595 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
2596 if (arg < 0)
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 /* "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
2599 followed by a positive field width." */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2600 flags |= FLAG_LEFT;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2601 width = (unsigned int) (-arg);
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 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2604 width = arg;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2605 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2606 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2607 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2608 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
2609
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2610 do
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2611 width = xsum (xtimes (width, 10), *digitp++ - '0');
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2612 while (digitp != dp->width_end);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2613 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2614 has_width = 1;
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
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2617 has_precision = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2618 precision = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2619 if (dp->precision_start != dp->precision_end)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2620 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2621 if (dp->precision_arg_index != ARG_NONE)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2622 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2623 int arg;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2624
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2625 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
2626 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2627 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
2628 /* "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
2629 were omitted." */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2630 if (arg >= 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2631 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2632 precision = arg;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2633 has_precision = 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2634 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2635 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2636 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2637 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2638 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
2639
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2640 precision = 0;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2641 while (digitp != dp->precision_end)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2642 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2643 has_precision = 1;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2644 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2645 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2646
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2647 /* 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
2648 %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
2649 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
2650 if (!has_precision)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2651 precision = 6;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2652
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2653 /* 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
2654 # 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
2655 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
2656 # 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
2657 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
2658 # elif NEED_PRINTF_LONG_DOUBLE
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2659 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
2660 # 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
2661 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
2662 # else
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2663 tmp_length = 0;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2664 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2665 if (tmp_length < precision)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2666 tmp_length = precision;
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2667 # 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
2668 # 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
2669 if (type == TYPE_LONGDOUBLE)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2670 # endif
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2671 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
2672 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2673 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
2674 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
2675 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2676 /* 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
2677 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
2678 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
2679 tmp_length = exponent + precision;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2680 }
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2681 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2682 # 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
2683 # 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
2684 # 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
2685 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
2686 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2687 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
2688 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2689 double arg = a.arg[dp->arg_index].a.a_double;
9646
a113e473cc98 Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents: 9489
diff changeset
2690 if (!(isnand (arg) || arg + arg == arg))
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2691 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2692 /* 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
2693 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
2694 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
2695 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
2696 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2697 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
2698 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2699 /* Account for sign, decimal point etc. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2700 tmp_length = xsum (tmp_length, 12);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2701
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2702 if (tmp_length < width)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2703 tmp_length = width;
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 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
2706
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2707 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
2708 tmp = tmpbuf;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2709 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2710 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2711 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
2712
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2713 if (size_overflow_p (tmp_memsize))
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2714 /* Overflow, would lead to out of memory. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2715 goto out_of_memory;
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
2716 tmp = (DCHAR_T *) malloc (tmp_memsize);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2717 if (tmp == NULL)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2718 /* Out of memory. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2719 goto out_of_memory;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2720 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2721
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2722 pad_ptr = NULL;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2723 p = tmp;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2724
8860
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents: 8846
diff changeset
2725 # 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
2726 # 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
2727 if (type == TYPE_LONGDOUBLE)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2728 # endif
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 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
2731
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2732 if (isnanl (arg))
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2733 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2734 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
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 *p++ = 'N'; *p++ = 'A'; *p++ = 'N';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2737 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2738 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2739 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2740 *p++ = 'n'; *p++ = 'a'; *p++ = 'n';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2741 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2742 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2743 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2744 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2745 int sign = 0;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2746 DECL_LONG_DOUBLE_ROUNDING
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2747
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2748 BEGIN_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2749
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2750 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
2751 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2752 sign = -1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2753 arg = -arg;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2754 }
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 (sign < 0)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2757 *p++ = '-';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2758 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
2759 *p++ = '+';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2760 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
2761 *p++ = ' ';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2762
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2763 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
2764 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2765 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
2766 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2767 *p++ = 'I'; *p++ = 'N'; *p++ = 'F';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2768 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2769 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2770 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2771 *p++ = 'i'; *p++ = 'n'; *p++ = 'f';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2772 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2773 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2774 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2775 {
8860
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents: 8846
diff changeset
2776 # 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
2777 pad_ptr = p;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2778
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2779 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
2780 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2781 char *digits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2782 size_t ndigits;
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 digits =
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2785 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
2786 if (digits == NULL)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2787 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2788 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2789 goto out_of_memory;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2790 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2791 ndigits = strlen (digits);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2792
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2793 if (ndigits > precision)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2794 do
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2795 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2796 --ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2797 *p++ = digits[ndigits];
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2798 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2799 while (ndigits > precision);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2800 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2801 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2802 /* Here ndigits <= precision. */
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2803 if ((flags & FLAG_ALT) || precision > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2804 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2805 *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
2806 for (; precision > ndigits; precision--)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2807 *p++ = '0';
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2808 while (ndigits > 0)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2809 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2810 --ndigits;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2811 *p++ = digits[ndigits];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2812 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2813 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2814
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2815 free (digits);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2816 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2817 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
2818 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2819 int exponent;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2820
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2821 if (arg == 0.0L)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2822 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2823 exponent = 0;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2824 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2825 if ((flags & FLAG_ALT) || precision > 0)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2826 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2827 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2828 for (; precision > 0; precision--)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2829 *p++ = '0';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2830 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2831 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2832 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2833 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2834 /* arg > 0.0L. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2835 int adjusted;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2836 char *digits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2837 size_t ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2838
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2839 exponent = floorlog10l (arg);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2840 adjusted = 0;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2841 for (;;)
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 digits =
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2844 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
2845 (int)precision - exponent);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2846 if (digits == NULL)
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 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2849 goto out_of_memory;
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 ndigits = strlen (digits);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2852
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2853 if (ndigits == precision + 1)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2854 break;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2855 if (ndigits < precision
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2856 || ndigits > precision + 2)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2857 /* 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
2858 precisely enough. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2859 abort ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2860 if (adjusted)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2861 /* 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
2862 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
2863 loop. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2864 abort ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2865 free (digits);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2866 if (ndigits == precision)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2867 exponent -= 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2868 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2869 exponent += 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2870 adjusted = 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2871 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2872 /* Here ndigits = precision+1. */
9938
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2873 if (is_borderline (digits, precision))
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2874 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2875 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2876 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2877 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2878 char *digits2 =
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2879 scale10_round_decimal_long_double (arg,
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2880 (int)precision - exponent + 1);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2881 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2882 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2883 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2884 END_LONG_DOUBLE_ROUNDING ();
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2885 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2886 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2887 if (strlen (digits2) == precision + 1)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2888 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2889 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2890 digits = digits2;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2891 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2892 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2893 else
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2894 free (digits2);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2895 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2896 /* Here ndigits = precision+1. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
2897
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2898 *p++ = digits[--ndigits];
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2899 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
2900 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2901 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2902 while (ndigits > 0)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2903 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2904 --ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2905 *p++ = digits[ndigits];
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 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2908
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2909 free (digits);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2910 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2911
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2912 *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
2913 # 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
2914 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2915 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
2916 { '%', '+', '.', '2', 'd', '\0' };
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2917 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
2918 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2919 while (*p != '\0')
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2920 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
2921 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2922 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
2923 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2924 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
2925 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
2926 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2927 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2928 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2929 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2930 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
2931 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
2932 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
2933 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
2934 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2935 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
2936 # endif
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2937 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2938 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
2939 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2940 if (precision == 0)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2941 precision = 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2942 /* precision >= 1. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2943
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2944 if (arg == 0.0L)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2945 /* 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
2946 Use fixed-point notation. */
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2947 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2948 size_t ndigits = precision;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2949 /* 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
2950 dropped. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2951 size_t nzeroes =
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2952 (flags & FLAG_ALT ? 0 : precision - 1);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2953
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2954 --ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2955 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2956 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
2957 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2958 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2959 while (ndigits > nzeroes)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2960 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2961 --ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2962 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2963 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2964 }
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2965 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2966 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2967 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2968 /* arg > 0.0L. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2969 int exponent;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2970 int adjusted;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2971 char *digits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2972 size_t ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2973 size_t nzeroes;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2974
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2975 exponent = floorlog10l (arg);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2976 adjusted = 0;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2977 for (;;)
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 digits =
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2980 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
2981 (int)(precision - 1) - exponent);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2982 if (digits == NULL)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2983 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2984 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2985 goto out_of_memory;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2986 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2987 ndigits = strlen (digits);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
2988
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2989 if (ndigits == precision)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2990 break;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2991 if (ndigits < precision - 1
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2992 || ndigits > precision + 1)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2993 /* 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
2994 precisely enough. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2995 abort ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2996 if (adjusted)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
2997 /* 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
2998 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
2999 loop. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3000 abort ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3001 free (digits);
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3002 if (ndigits < precision)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3003 exponent -= 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3004 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3005 exponent += 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3006 adjusted = 1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3007 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3008 /* Here ndigits = precision. */
9938
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3009 if (is_borderline (digits, precision - 1))
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3010 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3011 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3012 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3013 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3014 char *digits2 =
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3015 scale10_round_decimal_long_double (arg,
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3016 (int)(precision - 1) - exponent + 1);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3017 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3018 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3019 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3020 END_LONG_DOUBLE_ROUNDING ();
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3021 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3022 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3023 if (strlen (digits2) == precision)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3024 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3025 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3026 digits = digits2;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3027 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3028 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3029 else
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3030 free (digits2);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3031 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3032 /* Here ndigits = precision. */
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3033
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3034 /* 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
3035 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
3036 nzeroes = 0;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3037 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
3038 while (nzeroes < ndigits
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3039 && digits[nzeroes] == '0')
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3040 nzeroes++;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3041
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3042 /* 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
3043 if (exponent >= -4
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3044 && exponent < (long)precision)
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3045 {
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3046 /* Fixed-point notation:
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3047 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
3048 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
3049 digits without trailing zeroes. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3050 if (exponent >= 0)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3051 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3052 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
3053 /* Note: count <= precision = ndigits. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3054 for (; count > 0; count--)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3055 *p++ = digits[--ndigits];
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3056 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
3057 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3058 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3059 while (ndigits > nzeroes)
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 --ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3062 *p++ = digits[ndigits];
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3063 }
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 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3066 else
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 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
3069 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3070 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3071 for (; count > 0; count--)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3072 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3073 while (ndigits > nzeroes)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3074 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3075 --ndigits;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3076 *p++ = digits[ndigits];
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 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3079 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3080 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3081 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3082 /* Exponential notation. */
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3083 *p++ = digits[--ndigits];
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3084 if ((flags & FLAG_ALT) || ndigits > nzeroes)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3085 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3086 *p++ = decimal_point_char ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3087 while (ndigits > nzeroes)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3088 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3089 --ndigits;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3090 *p++ = digits[ndigits];
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3091 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3092 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3093 *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
3094 # 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
3095 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3096 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
3097 { '%', '+', '.', '2', 'd', '\0' };
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3098 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
3099 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3100 while (*p != '\0')
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3101 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
3102 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3103 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
3104 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3105 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
3106 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
3107 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3108 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3109 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3110 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3111 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
3112 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
3113 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
3114 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
3115 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3116 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3117 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3118 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3119
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3120 free (digits);
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3121 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3122 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3123 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3124 abort ();
8860
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents: 8846
diff changeset
3125 # else
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents: 8846
diff changeset
3126 /* arg is finite. */
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents: 8846
diff changeset
3127 abort ();
771a56a41b5b Fix *printf result for NaN, Inf on AIX, Solaris, OSF/1.
Bruno Haible <bruno@clisp.org>
parents: 8846
diff changeset
3128 # endif
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3129 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3130
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3131 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3132 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3133 }
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3134 # 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
3135 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3136 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3137 # 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
3138 # 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
3139 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3140 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
3141
9646
a113e473cc98 Rename isnan, applicable to 'double' only, to isnand.
Bruno Haible <bruno@clisp.org>
parents: 9489
diff changeset
3142 if (isnand (arg))
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3143 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3144 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
3145 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3146 *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
3147 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3148 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3149 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3150 *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
3151 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3152 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3153 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3154 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3155 int sign = 0;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3156
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3157 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
3158 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3159 sign = -1;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3160 arg = -arg;
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3161 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3162
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3163 if (sign < 0)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3164 *p++ = '-';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3165 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
3166 *p++ = '+';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3167 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
3168 *p++ = ' ';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3169
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3170 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
3171 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3172 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
3173 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3174 *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
3175 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3176 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3177 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3178 *p++ = 'i'; *p++ = 'n'; *p++ = 'f';
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3179 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3180 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3181 else
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3182 {
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3183 # 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
3184 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
3185
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3186 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
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 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
3189 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
3190
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3191 digits =
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3192 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
3193 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
3194 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
3195 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
3196
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3197 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
3198 do
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 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3201 *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
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 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
3204 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3205 *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
3206 /* 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
3207 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
3208 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3209 *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
3210 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
3211 *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
3212 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
3213 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3214 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3215 *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
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 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3218
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3219 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
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 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
3222 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3223 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
3224
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3225 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
3226 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3227 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
3228 *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
3229 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
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 *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
3232 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
3233 *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
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 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3236 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3237 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3238 /* 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
3239 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
3240 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
3241 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
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 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
3244 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
3245 for (;;)
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3246 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3247 digits =
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3248 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
3249 (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
3250 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
3251 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
3252 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
3253
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3254 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
3255 break;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3256 if (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 || 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
3258 /* 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
3259 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
3260 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3261 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
3262 /* 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
3263 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
3264 loop. */
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3265 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3266 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
3267 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
3268 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
3269 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3270 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
3271 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
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 /* Here ndigits = precision+1. */
9938
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3274 if (is_borderline (digits, precision))
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3275 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3276 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3277 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3278 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3279 char *digits2 =
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3280 scale10_round_decimal_double (arg,
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3281 (int)precision - exponent + 1);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3282 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3283 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3284 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3285 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3286 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3287 if (strlen (digits2) == precision + 1)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3288 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3289 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3290 digits = digits2;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3291 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3292 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3293 else
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3294 free (digits2);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3295 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3296 /* Here ndigits = precision+1. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3297
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3298 *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
3299 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
3300 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3301 *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
3302 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
3303 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3304 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3305 *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
3306 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3307 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3308
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3309 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
3310 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3311
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3312 *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
3313 # 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
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 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
3316 /* 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
3317 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
3318 # 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
3319 { '%', '+', '.', '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
3320 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3321 { '%', '+', '.', '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
3322 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3323 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
3324 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3325 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
3326 p++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3327 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3328 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3329 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
3330 /* 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
3331 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
3332 # 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
3333 "%+.3d";
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3334 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3335 "%+.2d";
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3336 # endif
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 (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
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 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
3340 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
3341 p++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3342 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3343 else
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 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
3346 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
3347 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
3348 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
3349 p++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3350 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3351 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3352 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3353 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3354 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
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 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
3357 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
3358 /* 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
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 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
3361 /* 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
3362 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
3363 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3364 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
3365 /* 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
3366 dropped. */
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3367 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
3368 (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
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++ = '0';
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3372 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
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++ = 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
3375 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
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 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3378 *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
3379 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3380 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3381 }
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 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3384 /* 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
3385 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
3386 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
3387 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
3388 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
3389 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
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 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
3392 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
3393 for (;;)
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3394 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3395 digits =
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3396 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
3397 (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
3398 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
3399 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
3400 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
3401
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3402 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
3403 break;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3404 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
3405 || 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
3406 /* 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
3407 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
3408 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3409 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
3410 /* 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
3411 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
3412 loop. */
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3413 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3414 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
3415 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
3416 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
3417 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3418 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
3419 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
3420 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3421 /* Here ndigits = precision. */
9938
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3422 if (is_borderline (digits, precision - 1))
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3423 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3424 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3425 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3426 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3427 char *digits2 =
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3428 scale10_round_decimal_double (arg,
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3429 (int)(precision - 1) - exponent + 1);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3430 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3431 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3432 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3433 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3434 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3435 if (strlen (digits2) == precision)
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3436 {
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3437 free (digits);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3438 digits = digits2;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3439 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3440 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3441 else
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3442 free (digits2);
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3443 }
9f8c455639fc Fix rounding when a precision is given.
Bruno Haible <bruno@clisp.org>
parents: 9834
diff changeset
3444 /* Here ndigits = precision. */
9442
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3445
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3446 /* 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
3447 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
3448 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
3449 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
3450 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
3451 && 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
3452 nzeroes++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3453
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3454 /* 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
3455 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
3456 && 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
3457 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3458 /* 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
3459 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
3460 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
3461 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
3462 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
3463 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3464 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
3465 /* 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
3466 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
3467 *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
3468 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
3469 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3470 *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
3471 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
3472 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3473 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3474 *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
3475 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3476 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3477 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3478 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3479 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3480 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
3481 *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
3482 *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
3483 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
3484 *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
3485 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
3486 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3487 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3488 *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
3489 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3490 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3491 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3492 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3493 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3494 /* 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
3495 *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
3496 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
3497 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3498 *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
3499 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
3500 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3501 --ndigits;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3502 *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
3503 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3504 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3505 *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
3506 # 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
3507 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3508 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
3509 /* 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
3510 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
3511 # 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
3512 { '%', '+', '.', '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
3513 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3514 { '%', '+', '.', '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
3515 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3516 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
3517 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3518 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
3519 p++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3520 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3521 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3522 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
3523 /* 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
3524 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
3525 # 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
3526 "%+.3d";
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3527 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3528 "%+.2d";
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3529 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3530 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
3531 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3532 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
3533 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
3534 p++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3535 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3536 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3537 {
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3538 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
3539 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
3540 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
3541 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
3542 p++;
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3543 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3544 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3545 # endif
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3546 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3547
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3548 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
3549 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3550 }
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3551 else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3552 abort ();
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3553 # else
ad275322f8f1 Fix *printf behaviour in out-of-memory situations on MacOS X and *BSD.
Bruno Haible <bruno@clisp.org>
parents: 9439
diff changeset
3554 /* arg is finite. */
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3555 if (!(arg == 0.0))
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3556 abort ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3557
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3558 pad_ptr = p;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3559
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3560 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
3561 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3562 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3563 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
3564 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3565 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3566 for (; precision > 0; precision--)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3567 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3568 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3569 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3570 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
3571 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3572 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3573 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
3574 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3575 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3576 for (; precision > 0; precision--)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3577 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3578 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3579 *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
3580 *p++ = '+';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3581 /* 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
3582 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
3583 # 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
3584 *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
3585 # endif
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3586 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3587 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3588 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3589 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
3590 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3591 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3592 if (flags & FLAG_ALT)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3593 {
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3594 size_t ndigits =
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3595 (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
3596 *p++ = decimal_point_char ();
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3597 for (; ndigits > 0; --ndigits)
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3598 *p++ = '0';
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3599 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3600 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3601 else
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3602 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
3603 # endif
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3604 }
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3605 }
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3606 }
8840
792e05ae7ac8 Fix *printf result for NaN, Inf, -0.0 on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8838
diff changeset
3607 # endif
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3608
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3609 /* 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
3610 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
3611 if (has_width && p - tmp < width)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3612 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3613 size_t pad = width - (p - tmp);
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
3614 DCHAR_T *end = p + pad;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3615
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3616 if (flags & FLAG_LEFT)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3617 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3618 /* Pad with spaces on the right. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3619 for (; pad > 0; pad--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3620 *p++ = ' ';
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3621 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3622 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
3623 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3624 /* Pad with zeroes. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
3625 DCHAR_T *q = end;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3626
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3627 while (p > pad_ptr)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3628 *--q = *--p;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3629 for (; pad > 0; pad--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3630 *p++ = '0';
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3631 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3632 else
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3633 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3634 /* Pad with spaces on the left. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
3635 DCHAR_T *q = end;
8832
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3636
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3637 while (p > tmp)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3638 *--q = *--p;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3639 for (; pad > 0; pad--)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3640 *p++ = ' ';
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3641 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3642
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3643 p = end;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3644 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3645
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3646 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3647 size_t count = p - tmp;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3648
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3649 if (count >= tmp_length)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3650 /* tmp_length was incorrectly calculated - fix the
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3651 code above! */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3652 abort ();
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3653
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3654 /* Make room for the result. */
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3655 if (count >= allocated - length)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3656 {
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3657 size_t n = xsum (length, count);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3658
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3659 ENSURE_ALLOCATION (n);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3660 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3661
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3662 /* Append the result. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
3663 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
3664 if (tmp != tmpbuf)
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3665 free (tmp);
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3666 length += count;
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3667 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3668 }
1466c973f476 Add support for 'long double' number output.
Bruno Haible <bruno@clisp.org>
parents: 8831
diff changeset
3669 #endif
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3670 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3671 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3672 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
3673 int flags = dp->flags;
9674
b69f1141e94f Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents: 9672
diff changeset
3674 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3675 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
3676 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
3677 #endif
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3678 #if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3679 int has_precision;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3680 size_t precision;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3681 #endif
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3682 #if NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3683 int prec_ourselves;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3684 #else
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3685 # define prec_ourselves 0
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3686 #endif
9674
b69f1141e94f Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents: 9672
diff changeset
3687 #if NEED_PRINTF_FLAG_LEFTADJUST
b69f1141e94f Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents: 9672
diff changeset
3688 # define pad_ourselves 1
b69f1141e94f Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents: 9672
diff changeset
3689 #elif !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3690 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
3691 #else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3692 # 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
3693 #endif
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
3694 TCHAR_T *fbp;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3695 unsigned int prefix_count;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3696 int prefixes[2];
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
3697 #if !USE_SNPRINTF
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3698 size_t tmp_length;
8962
aea67e2678d9 Tweak last patch.
Bruno Haible <bruno@clisp.org>
parents: 8961
diff changeset
3699 TCHAR_T tmpbuf[700];
aea67e2678d9 Tweak last patch.
Bruno Haible <bruno@clisp.org>
parents: 8961
diff changeset
3700 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
3701 #endif
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3702
9674
b69f1141e94f Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents: 9672
diff changeset
3703 #if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3704 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
3705 width = 0;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3706 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
3707 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3708 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
3709 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3710 int arg;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3711
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3712 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
3713 abort ();
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3714 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
3715 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
3716 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3717 /* "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
3718 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
3719 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
3720 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
3721 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3722 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3723 width = arg;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3724 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3725 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3726 {
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
3727 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
3728
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3729 do
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3730 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
3731 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
3732 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3733 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
3734 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3735 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3736
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3737 #if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3738 has_precision = 0;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3739 precision = 6;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3740 if (dp->precision_start != dp->precision_end)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3741 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3742 if (dp->precision_arg_index != ARG_NONE)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3743 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3744 int arg;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3745
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3746 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3747 abort ();
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3748 arg = a.arg[dp->precision_arg_index].a.a_int;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3749 /* "A negative precision is taken as if the precision
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3750 were omitted." */
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3751 if (arg >= 0)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3752 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3753 precision = arg;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3754 has_precision = 1;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3755 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3756 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3757 else
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3758 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3759 const FCHAR_T *digitp = dp->precision_start + 1;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3760
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3761 precision = 0;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3762 while (digitp != dp->precision_end)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3763 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3764 has_precision = 1;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3765 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3766 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3767 #endif
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
3768
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3769 /* Decide whether to handle the precision ourselves. */
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3770 #if NEED_PRINTF_UNBOUNDED_PRECISION
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3771 switch (dp->conversion)
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3772 {
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3773 case 'd': case 'i': case 'u':
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3774 case 'o':
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3775 case 'x': case 'X': case 'p':
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3776 prec_ourselves = has_precision && (precision > 0);
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3777 break;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3778 default:
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3779 prec_ourselves = 0;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3780 break;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3781 }
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3782 #endif
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3783
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3784 /* Decide whether to perform the padding ourselves. */
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3785 #if !NEED_PRINTF_FLAG_LEFTADJUST && (!DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION)
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3786 switch (dp->conversion)
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3787 {
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3788 # if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3789 /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3790 to perform the padding after this conversion. Functions
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3791 with unistdio extensions perform the padding based on
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3792 character count rather than element count. */
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3793 case 'c': case 's':
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3794 # endif
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3795 # if NEED_PRINTF_FLAG_ZERO
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3796 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3797 case 'a': case 'A':
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3798 # endif
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3799 pad_ourselves = 1;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3800 break;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3801 default:
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3802 pad_ourselves = prec_ourselves;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3803 break;
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3804 }
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3805 #endif
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3806
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
3807 #if !USE_SNPRINTF
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3808 /* Allocate a temporary buffer of sufficient size for calling
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3809 sprintf. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3810 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3811 switch (dp->conversion)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3812 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3813
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3814 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
3815 # if HAVE_LONG_LONG_INT
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3816 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3817 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3818 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3819 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3820 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3821 + 1; /* turn floor into ceil */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3822 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3823 # endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3824 if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3825 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3826 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3827 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3828 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3829 + 1; /* turn floor into ceil */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3830 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3831 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3832 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3833 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3834 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3835 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3836 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3837 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3838 /* 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
3839 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
3840 /* 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
3841 tmp_length = xsum (tmp_length, 1);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3842 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3843
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3844 case 'o':
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
3845 # if HAVE_LONG_LONG_INT
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3846 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3847 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3848 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3849 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3850 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3851 + 1; /* turn floor into ceil */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3852 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3853 # endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3854 if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3855 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3856 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3857 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3858 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3859 + 1; /* turn floor into ceil */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3860 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3861 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3862 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3863 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3864 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3865 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3866 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3867 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3868 /* 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
3869 tmp_length = xsum (tmp_length, 1);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3870 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3871
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3872 case 'x': case 'X':
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
3873 # if HAVE_LONG_LONG_INT
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3874 if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3875 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3876 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3877 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3878 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3879 + 1; /* turn floor into ceil */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3880 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3881 # endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3882 if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3883 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3884 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3885 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3886 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3887 + 1; /* turn floor into ceil */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3888 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3889 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3890 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3891 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3892 )
6583
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3893 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3894 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3895 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size.
Bruno Haible <bruno@clisp.org>
parents: 5848
diff changeset
3896 /* 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
3897 tmp_length = xsum (tmp_length, 2);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3898 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3899
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3900 case 'f': case 'F':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3901 if (type == TYPE_LONGDOUBLE)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3902 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3903 (unsigned int) (LDBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3904 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3905 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3906 )
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3907 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3908 + 10; /* sign, decimal point etc. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3909 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3910 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3911 (unsigned int) (DBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3912 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3913 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3914 )
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3915 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3916 + 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
3917 tmp_length = xsum (tmp_length, precision);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3918 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3919
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3920 case 'e': case 'E': case 'g': case 'G':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3921 tmp_length =
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3922 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
3923 tmp_length = xsum (tmp_length, precision);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3924 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3925
8254
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3926 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
3927 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
3928 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3929 (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
3930 * 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
3931 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3932 + 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
3933 else
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3934 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3935 (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
3936 * 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
3937 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3938 + 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
3939 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
3940 tmp_length = precision;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3941 /* 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
3942 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
3943 break;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion.
Bruno Haible <bruno@clisp.org>
parents: 8051
diff changeset
3944
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3945 case 'c':
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
3946 # if HAVE_WINT_T && !WIDE_CHAR_VERSION
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3947 if (type == TYPE_WIDE_CHAR)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3948 tmp_length = MB_CUR_MAX;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3949 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3950 # endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3951 tmp_length = 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3952 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3953
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3954 case 's':
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
3955 # if HAVE_WCHAR_T
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3956 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
3957 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3958 tmp_length =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3959 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
3960
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3961 # if !WIDE_CHAR_VERSION
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3962 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
3963 # endif
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
3964 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3965 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3966 # endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3967 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
3968 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3969
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3970 case 'p':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3971 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3972 (unsigned int) (sizeof (void *) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3973 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3974 )
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3975 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3976 + 2; /* account for leading 0x */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3977 break;
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 default:
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 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3982
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3983 if (!pad_ourselves)
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3984 {
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 # if ENABLE_UNISTDIO
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3986 /* Padding considers the number of characters, therefore
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3987 the number of elements after padding may be
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3988 > max (tmp_length, width)
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3989 but is certainly
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3990 <= tmp_length + width. */
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3991 tmp_length = xsum (tmp_length, width);
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
3992 # else
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3993 /* Padding considers the number of elements,
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3994 says POSIX. */
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3995 if (tmp_length < width)
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3996 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
3997 # endif
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
3998 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3999
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4000 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
4001 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4002
8962
aea67e2678d9 Tweak last patch.
Bruno Haible <bruno@clisp.org>
parents: 8961
diff changeset
4003 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T))
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4004 tmp = tmpbuf;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4005 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4006 {
8962
aea67e2678d9 Tweak last patch.
Bruno Haible <bruno@clisp.org>
parents: 8961
diff changeset
4007 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
4008
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4009 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
4010 /* 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
4011 goto out_of_memory;
8962
aea67e2678d9 Tweak last patch.
Bruno Haible <bruno@clisp.org>
parents: 8961
diff changeset
4012 tmp = (TCHAR_T *) malloc (tmp_memsize);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4013 if (tmp == NULL)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4014 /* Out of memory. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4015 goto out_of_memory;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4016 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4017 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4018
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4019 /* Construct the format string for calling snprintf or
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4020 sprintf. */
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4021 fbp = buf;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4022 *fbp++ = '%';
8803
6c1d98929550 Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents: 8664
diff changeset
4023 #if NEED_PRINTF_FLAG_GROUPING
6c1d98929550 Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents: 8664
diff changeset
4024 /* 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
4025 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
4026 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
4027 #else
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4028 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
4029 *fbp++ = '\'';
8803
6c1d98929550 Work around lack of support of grouping flag.
Bruno Haible <bruno@clisp.org>
parents: 8664
diff changeset
4030 #endif
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4031 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
4032 *fbp++ = '-';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4033 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
4034 *fbp++ = '+';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4035 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
4036 *fbp++ = ' ';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4037 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
4038 *fbp++ = '#';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4039 if (!pad_ourselves)
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4040 {
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4041 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
4042 *fbp++ = '0';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4043 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
4044 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4045 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
4046 /* 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
4047 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
4048 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
4049 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4050 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
4051 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
4052 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4053 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4054 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4055 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
4056 do
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4057 *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
4058 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
4059 }
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4060 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4061 }
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4062 if (!prec_ourselves)
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4063 {
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4064 if (dp->precision_start != dp->precision_end)
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4065 {
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4066 size_t n = dp->precision_end - dp->precision_start;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4067 /* The precision specification is known to consist only
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4068 of standard ASCII characters. */
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4069 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4070 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4071 memcpy (fbp, dp->precision_start, n * sizeof (TCHAR_T));
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4072 fbp += n;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4073 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4074 else
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4075 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4076 const FCHAR_T *mp = dp->precision_start;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4077 do
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4078 *fbp++ = (unsigned char) *mp++;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4079 while (--n > 0);
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4080 }
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4081 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4082 }
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 switch (type)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4085 {
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
4086 #if HAVE_LONG_LONG_INT
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4087 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4088 case TYPE_ULONGLONGINT:
8830
abc2bcb16721 Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8804
diff changeset
4089 # 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
4090 *fbp++ = 'I';
abc2bcb16721 Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8804
diff changeset
4091 *fbp++ = '6';
abc2bcb16721 Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8804
diff changeset
4092 *fbp++ = '4';
abc2bcb16721 Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8804
diff changeset
4093 break;
abc2bcb16721 Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8804
diff changeset
4094 # else
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4095 *fbp++ = 'l';
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4096 /*FALLTHROUGH*/
8830
abc2bcb16721 Support output of 64-bit numbers on mingw.
Bruno Haible <bruno@clisp.org>
parents: 8804
diff changeset
4097 # endif
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4098 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4099 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4100 case TYPE_ULONGINT:
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
4101 #if HAVE_WINT_T
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4102 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4103 #endif
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
4104 #if HAVE_WCHAR_T
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4105 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4106 #endif
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4107 *fbp++ = 'l';
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4108 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4109 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
4110 *fbp++ = 'L';
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4111 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4112 default:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4113 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4114 }
8664
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents: 8655
diff changeset
4115 #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
4116 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
4117 *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
4118 else
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents: 8655
diff changeset
4119 #endif
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4120 *fbp = dp->conversion;
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4121 #if USE_SNPRINTF
9676
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4122 # if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4123 fbp[1] = '%';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4124 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
4125 fbp[3] = '\0';
9361
40389da21b02 Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents: 9095
diff changeset
4126 # else
40389da21b02 Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents: 9095
diff changeset
4127 /* 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
4128 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
4129 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
4130 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
4131 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
4132 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
4133 (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
4134 in this situation. */
9676
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4135 /* On native Win32 systems (such as mingw), we can avoid using
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4136 %n because:
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4137 - Although the gl_SNPRINTF_TRUNCATION_C99 test fails,
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4138 snprintf does not write more than the specified number
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4139 of bytes. (snprintf (buf, 3, "%d %d", 4567, 89) writes
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4140 '4', '5', '6' into buf, not '4', '5', '\0'.)
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4141 - Although the gl_SNPRINTF_RETVAL_C99 test fails, snprintf
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4142 allows us to recognize the case of an insufficient
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4143 buffer size: it returns -1 in this case.
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4144 On native Win32 systems (such as mingw) where the OS is
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4145 Windows Vista, the use of %n in format strings by default
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4146 crashes the program. See
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4147 <http://gcc.gnu.org/ml/gcc/2007-06/msg00122.html> and
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4148 <http://msdn2.microsoft.com/en-us/library/ms175782(VS.80).aspx>
cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems.
Bruno Haible <bruno@clisp.org>
parents: 9674
diff changeset
4149 So we should avoid %n in this situation. */
9361
40389da21b02 Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents: 9095
diff changeset
4150 fbp[1] = '\0';
40389da21b02 Don't use %n on glibc >= 2.3 systems.
Bruno Haible <bruno@clisp.org>
parents: 9095
diff changeset
4151 # endif
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4152 #else
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4153 fbp[1] = '\0';
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4154 #endif
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 /* Construct the arguments for calling snprintf or sprintf. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4157 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
4158 if (!pad_ourselves && dp->width_arg_index != ARG_NONE)
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4159 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4160 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
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 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
4163 }
4886
e4317f1f2e2c Use size_t instead of ssize_t.
Bruno Haible <bruno@clisp.org>
parents: 4879
diff changeset
4164 if (dp->precision_arg_index != ARG_NONE)
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4165 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4166 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4167 abort ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4168 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
4169 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4170
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4171 #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
4172 /* 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
4173 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
4174 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
4175 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
4176 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
4177 # define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T))
9462
7bbddc0fae4a Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents: 9461
diff changeset
4178 /* Ensure that maxlen below will be >= 2. Needed on BeOS,
7bbddc0fae4a Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents: 9461
diff changeset
4179 where an snprintf() with maxlen==1 acts like sprintf(). */
7bbddc0fae4a Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents: 9461
diff changeset
4180 ENSURE_ALLOCATION (xsum (length,
7bbddc0fae4a Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents: 9461
diff changeset
4181 (2 + TCHARS_PER_DCHAR - 1)
7bbddc0fae4a Document and work around a BeOS snprintf() bug.
Bruno Haible <bruno@clisp.org>
parents: 9461
diff changeset
4182 / TCHARS_PER_DCHAR));
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4183 /* Prepare checking whether snprintf returns the count
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4184 via %n. */
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4185 *(TCHAR_T *) (result + length) = '\0';
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4186 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4187
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4188 for (;;)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4189 {
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4190 int count = -1;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4191
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4192 #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
4193 int retcount = 0;
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4194 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
4195 /* 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
4196 > 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
4197 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
4198 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
4199 maxlen = maxlen * TCHARS_PER_DCHAR;
4704
b7a1b14802c8 Correct cpp indentation.
Jim Meyering <jim@meyering.net>
parents: 4589
diff changeset
4200 # define SNPRINTF_BUF(arg) \
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4201 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4202 { \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4203 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
4204 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
4205 maxlen, buf, \
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4206 arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4207 break; \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4208 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
4209 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
4210 maxlen, buf, \
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4211 prefixes[0], arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4212 break; \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4213 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
4214 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
4215 maxlen, buf, \
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4216 prefixes[0], prefixes[1], arg, \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4217 &count); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4218 break; \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4219 default: \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4220 abort (); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4221 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4222 #else
4704
b7a1b14802c8 Correct cpp indentation.
Jim Meyering <jim@meyering.net>
parents: 4589
diff changeset
4223 # define SNPRINTF_BUF(arg) \
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4224 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4225 { \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4226 case 0: \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4227 count = sprintf (tmp, buf, arg); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4228 break; \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4229 case 1: \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4230 count = sprintf (tmp, buf, prefixes[0], arg); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4231 break; \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4232 case 2: \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4233 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4234 arg); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4235 break; \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4236 default: \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4237 abort (); \
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4238 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4239 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4240
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4241 switch (type)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4242 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4243 case TYPE_SCHAR:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4244 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4245 int arg = a.arg[dp->arg_index].a.a_schar;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4246 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4247 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4248 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4249 case TYPE_UCHAR:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4250 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4251 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
4252 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4253 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4254 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4255 case TYPE_SHORT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4256 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4257 int arg = a.arg[dp->arg_index].a.a_short;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4258 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4259 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4260 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4261 case TYPE_USHORT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4262 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4263 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
4264 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4265 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4266 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4267 case TYPE_INT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4268 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4269 int arg = a.arg[dp->arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4270 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4271 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4272 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4273 case TYPE_UINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4274 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4275 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
4276 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4277 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4278 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4279 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4280 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4281 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
4282 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4283 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4284 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4285 case TYPE_ULONGINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4286 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4287 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
4288 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4289 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4290 break;
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
4291 #if HAVE_LONG_LONG_INT
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4292 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4293 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4294 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
4295 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4296 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4297 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4298 case TYPE_ULONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4299 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4300 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
4301 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4302 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4303 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4304 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4305 case TYPE_DOUBLE:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4306 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4307 double arg = a.arg[dp->arg_index].a.a_double;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4308 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4309 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4310 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4311 case TYPE_LONGDOUBLE:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4312 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4313 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
4314 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4315 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4316 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4317 case TYPE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4318 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4319 int arg = a.arg[dp->arg_index].a.a_char;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4320 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4321 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4322 break;
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
4323 #if HAVE_WINT_T
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4324 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4325 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4326 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
4327 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4328 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4329 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4330 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4331 case TYPE_STRING:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4332 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4333 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
4334 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4335 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4336 break;
8051
9c2b0396b27c Stylistic change: Use '#if HAVE_*' instead of '#ifdef HAVE_*'.
Bruno Haible <bruno@clisp.org>
parents: 7475
diff changeset
4337 #if HAVE_WCHAR_T
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4338 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4339 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4340 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
4341 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4342 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4343 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4344 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4345 case TYPE_POINTER:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4346 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4347 void *arg = a.arg[dp->arg_index].a.a_pointer;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4348 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4349 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4350 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4351 default:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4352 abort ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4353 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4354
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4355 #if USE_SNPRINTF
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4356 /* Portability: Not all implementations of snprintf()
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4357 are ISO C 99 compliant. Determine the number of
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4358 bytes that snprintf() has produced or would have
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4359 produced. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4360 if (count >= 0)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4361 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4362 /* Verify that snprintf() has NUL-terminated its
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4363 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
4364 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
4365 && ((TCHAR_T *) (result + length)) [count] != '\0')
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4366 abort ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4367 /* Portability hack. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4368 if (retcount > count)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4369 count = retcount;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4370 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4371 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4372 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4373 /* snprintf() doesn't understand the '%n'
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4374 directive. */
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4375 if (fbp[1] != '\0')
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4376 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4377 /* Don't use the '%n' directive; instead, look
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4378 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
4379 fbp[1] = '\0';
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4380 continue;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4381 }
4801
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4382 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4383 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4384 /* 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
4385 if (retcount < 0)
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4386 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4387 /* 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
4388 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
4389 *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
4390 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
4391 buffer is too small. */
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4392 size_t bigger_need =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4393 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
4394 ENSURE_ALLOCATION (bigger_need);
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4395 continue;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4396 }
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4397 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4398 count = retcount;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering.
Bruno Haible <bruno@clisp.org>
parents: 4704
diff changeset
4399 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4400 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4401 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4402
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4403 /* Attempt to handle failure. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4404 if (count < 0)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4405 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4406 if (!(result == resultbuf || result == NULL))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4407 free (result);
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4408 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4409 free (buf_malloced);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4410 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4411 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4412 return NULL;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4413 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4414
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4415 #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
4416 /* 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
4417 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
4418 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
4419 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
4420 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
4421 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
4422 {
9371
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4423 /* 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
4424 allocating more memory will not increase maxlen.
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4425 Instead of looping, bail out. */
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4426 if (maxlen == INT_MAX / TCHARS_PER_DCHAR)
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4427 goto overflow;
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4428 else
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4429 {
9461
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4430 /* Need at least (count + 1) * sizeof (TCHAR_T)
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4431 bytes. (The +1 is for the trailing NUL.)
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4432 But ask for (count + 2) * sizeof (TCHAR_T)
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4433 bytes, so that in the next round, we likely get
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4434 maxlen > (unsigned int) count + 1
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4435 and so we don't get here again.
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4436 And allocate proportionally, to avoid looping
9371
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4437 eternally if snprintf() reports a too small
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4438 count. */
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4439 size_t n =
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4440 xmax (xsum (length,
9461
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4441 ((unsigned int) count + 2
c6d483077434 Fix inefficiency introduced on 2007-11-03.
Bruno Haible <bruno@clisp.org>
parents: 9454
diff changeset
4442 + TCHARS_PER_DCHAR - 1)
9371
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4443 / TCHARS_PER_DCHAR),
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4444 xtimes (allocated, 2));
8837
6d6277df29a9 Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents: 8835
diff changeset
4445
9371
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4446 ENSURE_ALLOCATION (n);
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4447 continue;
8b3c48038257 Don't report an unjustified overflow error.
Bruno Haible <bruno@clisp.org>
parents: 9361
diff changeset
4448 }
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4449 }
8837
6d6277df29a9 Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents: 8835
diff changeset
4450 #endif
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4451
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4452 #if NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4453 if (prec_ourselves)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4454 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4455 /* Handle the precision. */
9651
cee38e50f29c vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents: 9646
diff changeset
4456 TCHAR_T *prec_ptr =
9446
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4457 # if USE_SNPRINTF
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4458 (TCHAR_T *) (result + length);
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4459 # else
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4460 tmp;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4461 # endif
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4462 size_t prefix_count;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4463 size_t move;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4464
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4465 prefix_count = 0;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4466 /* Put the additional zeroes after the sign. */
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4467 if (count >= 1
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4468 && (*prec_ptr == '-' || *prec_ptr == '+'
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4469 || *prec_ptr == ' '))
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4470 prefix_count = 1;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4471 /* Put the additional zeroes after the 0x prefix if
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4472 (flags & FLAG_ALT) || (dp->conversion == 'p'). */
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4473 else if (count >= 2
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4474 && prec_ptr[0] == '0'
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4475 && (prec_ptr[1] == 'x' || prec_ptr[1] == 'X'))
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4476 prefix_count = 2;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4477
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4478 move = count - prefix_count;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4479 if (precision > move)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4480 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4481 /* Insert zeroes. */
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4482 size_t insert = precision - move;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4483 TCHAR_T *prec_end;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4484
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4485 # if USE_SNPRINTF
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4486 size_t n =
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4487 xsum (length,
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4488 (count + insert + TCHARS_PER_DCHAR - 1)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4489 / TCHARS_PER_DCHAR);
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4490 length += (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4491 ENSURE_ALLOCATION (n);
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4492 length -= (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4493 prec_ptr = (TCHAR_T *) (result + length);
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4494 # endif
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4495
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4496 prec_end = prec_ptr + count;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4497 prec_ptr += prefix_count;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4498
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4499 while (prec_end > prec_ptr)
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4500 {
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4501 prec_end--;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4502 prec_end[insert] = prec_end[0];
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4503 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4504
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4505 prec_end += insert;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4506 do
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4507 *--prec_end = '0';
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4508 while (prec_end > prec_ptr);
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4509
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4510 count += insert;
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4511 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4512 }
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4513 #endif
0519fc8ce06a Fix *printf behaviour for large precisions on mingw and BeOS.
Bruno Haible <bruno@clisp.org>
parents: 9445
diff changeset
4514
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4515 #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
4516 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
4517 /* 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
4518 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
4519 abort ();
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4520 #endif
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4521
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4522 #if !DCHAR_IS_TCHAR
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4523 /* 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
4524 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
4525 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4526 /* 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
4527 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
4528 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
4529 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
4530 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
4531 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
4532 /* 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
4533 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
4534 [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
4535 # 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
4536 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
4537 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4538 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
4539 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4540 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
4541 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
4542 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
4543 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
4544 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
4545 NULL,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4546 &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
4547 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4548 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4549 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
4550 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
4551 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
4552 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
4553 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
4554 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4555 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
4556 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
4557 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4558 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
4559 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
4560 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
4561 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
4562 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4563 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4564 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4565 /* 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
4566 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
4567 # 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
4568 /* 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
4569 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
4570 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
4571 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
4572 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4573 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4574 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
4575 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
4576 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
4577
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4578 # 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
4579 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
4580 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4581 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
4582 /* 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
4583 (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
4584 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
4585 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4586 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4587 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4588 /* 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
4589 (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
4590 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
4591 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
4592 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4593 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4594 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
4595 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
4596 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4597 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
4598 /* 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
4599 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
4600 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
4601 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
4602 *--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
4603 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4604 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4605 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4606
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4607 #if DCHAR_IS_TCHAR && !USE_SNPRINTF
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4608 /* Make room for the result. */
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4609 if (count > allocated - length)
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4610 {
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4611 /* Need at least count elements. But allocate
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4612 proportionally. */
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4613 size_t n =
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4614 xmax (xsum (length, count), xtimes (allocated, 2));
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4615
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4616 ENSURE_ALLOCATION (n);
8837
6d6277df29a9 Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents: 8835
diff changeset
4617 }
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4618 #endif
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4619
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4620 /* Here count <= allocated - length. */
8837
6d6277df29a9 Fix logic bug introduced on 2007-05-06.
Bruno Haible <bruno@clisp.org>
parents: 8835
diff changeset
4621
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4622 /* Perform padding. */
9674
b69f1141e94f Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
Bruno Haible <bruno@clisp.org>
parents: 9672
diff changeset
4623 #if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4624 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
4625 {
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4626 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
4627 # 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
4628 /* 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
4629 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
4630 value. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4631 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
4632 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4633 /* 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
4634 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
4635 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
4636 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4637 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
4638 {
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4639 size_t pad = width - w;
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4640
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4641 /* 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
4642 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
4643 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4644 /* 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
4645 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
4646 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
4647 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
4648 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
4649
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4650 # 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
4651 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
4652 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
4653 length -= count;
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4654 # else
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4655 ENSURE_ALLOCATION (n);
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4656 # 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
4657 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4658 /* Here count + pad <= allocated - length. */
9834
b4f1e5627265 Fix buffer overrun.
Bruno Haible <bruno@clisp.org>
parents: 9831
diff changeset
4659
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4660 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4661 # 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
4662 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
4663 # 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
4664 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
4665 # 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
4666 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
4667 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
4668 DCHAR_T *pad_ptr;
9827
32d08ee66484 Fix a bug in unistdio routines, introduced on 2007-06-10.
Bruno Haible <bruno@clisp.org>
parents: 9676
diff changeset
4669 # if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4670 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
4671 || 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
4672 /* 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
4673 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
4674 else
9672
c0fb9d4d860d Fix bug introduced on 2007-06-10.
Bruno Haible <bruno@clisp.org>
parents: 9651
diff changeset
4675 # 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
4676 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4677 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
4678 /* 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
4679 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
4680 || (*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
4681 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
4682 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4683 /* 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
4684 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
4685 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
4686
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4687 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
4688
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4689 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
4690 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4691 /* 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
4692 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
4693 *p++ = ' ';
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4694 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4695 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
4696 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4697 /* 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
4698 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
4699
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4700 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
4701 *--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
4702 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
4703 *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
4704 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4705 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4706 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4707 /* 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
4708 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
4709
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4710 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
4711 *--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
4712 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
4713 *p++ = ' ';
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4714 }
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4715 }
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4716 }
8804
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4717 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4718 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms.
Bruno Haible <bruno@clisp.org>
parents: 8803
diff changeset
4719
8963
f2b97e5b14f5 Tweak the size computations and reallocations.
Bruno Haible <bruno@clisp.org>
parents: 8962
diff changeset
4720 /* Here still count <= allocated - length. */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4721
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4722 #if !DCHAR_IS_TCHAR || USE_SNPRINTF
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4723 /* The snprintf() result did fit. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4724 #else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4725 /* Append the sprintf() result. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4726 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
4727 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4728 #if !USE_SNPRINTF
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4729 if (tmp != tmpbuf)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4730 free (tmp);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4731 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4732
8664
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents: 8655
diff changeset
4733 #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
4734 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
4735 {
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents: 8655
diff changeset
4736 /* Convert the %f result to upper case for %F. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4737 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
4738 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
4739 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
4740 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
4741 *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
4742 }
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents: 8655
diff changeset
4743 #endif
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly.
Bruno Haible <bruno@clisp.org>
parents: 8655
diff changeset
4744
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4745 length += count;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4746 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4747 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4748 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4749 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4750 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4751
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4752 /* Add the final NUL. */
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4753 ENSURE_ALLOCATION (xsum (length, 1));
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4754 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4755
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4756 if (result != resultbuf && length + 1 < allocated)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4757 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4758 /* Shrink the allocated memory if possible. */
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4759 DCHAR_T *memory;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4760
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4761 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
4762 if (memory != NULL)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4763 result = memory;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4764 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4765
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4766 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4767 free (buf_malloced);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4768 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4769 *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
4770 /* 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
4771 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
4772 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
4773 not have this limitation. */
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4774 return result;
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4775
9651
cee38e50f29c vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents: 9646
diff changeset
4776 #if USE_SNPRINTF
8468
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4777 overflow:
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4778 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
4779 free (result);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4780 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
4781 free (buf_malloced);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4782 CLEANUP ();
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4783 errno = EOVERFLOW;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4784 return NULL;
9651
cee38e50f29c vasnprintf.c: Avoid warning about unused label
Jim Meyering <meyering@redhat.com>
parents: 9646
diff changeset
4785 #endif
8468
336e69863755 Fix endless loop when the given allocated size was > INT_MAX.
Bruno Haible <bruno@clisp.org>
parents: 8465
diff changeset
4786
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4787 out_of_memory:
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4788 if (!(result == resultbuf || result == NULL))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4789 free (result);
4879
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4790 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4791 free (buf_malloced);
9b96adbed643 Avoid alloca with too large size.
Bruno Haible <bruno@clisp.org>
parents: 4872
diff changeset
4792 out_of_memory_1:
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4793 CLEANUP ();
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4794 errno = ENOMEM;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
4795 return NULL;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4796 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4797 }
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4798
8973
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to
Bruno Haible <bruno@clisp.org>
parents: 8963
diff changeset
4799 #undef TCHARS_PER_DCHAR
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4800 #undef SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4801 #undef USE_SNPRINTF
9450
9928de4bfe8a Undefine two macros after they are not needed any more.
Bruno Haible <bruno@clisp.org>
parents: 9446
diff changeset
4802 #undef DCHAR_CPY
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4803 #undef PRINTF_PARSE
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4804 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4805 #undef DIRECTIVE
9450
9928de4bfe8a Undefine two macros after they are not needed any more.
Bruno Haible <bruno@clisp.org>
parents: 9446
diff changeset
4806 #undef DCHAR_IS_TCHAR
8961
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4807 #undef TCHAR_T
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4808 #undef DCHAR_T
f1938b0a1252 More type parameters.
Bruno Haible <bruno@clisp.org>
parents: 8916
diff changeset
4809 #undef FCHAR_T
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4801
diff changeset
4810 #undef VASNPRINTF