Mercurial > hg > octave-kai > gnulib-hg

annotate lib/printf-parse.c @ 4872:c5afc99b8ce5

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Use xsize.h to protect against memory size overflows.
author Bruno Haible <bruno@clisp.org>
date Mon, 17 Nov 2003 15:14:21 +0000 (2003-11-17)
parents 87df35000dab
children e4317f1f2e2c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* Formatted output to strings.
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2 Copyright (C) 1999-2000, 2002-2003 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License along
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15 with this program; if not, write to the Free Software Foundation,
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16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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17
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18 #ifdef HAVE_CONFIG_H
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19 # include <config.h>
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20 #endif
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21
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22 /* Specification. */
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23 #if WIDE_CHAR_VERSION
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24 # include "wprintf-parse.h"
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25 #else
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26 # include "printf-parse.h"
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27 #endif
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28
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29 /* Get size_t, NULL. */
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30 #include <stddef.h>
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31
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32 /* Get ssize_t. */
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33 #include <sys/types.h>
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34
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35 /* Get intmax_t. */
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36 #if HAVE_STDINT_H_WITH_UINTMAX
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37 # include <stdint.h>
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38 #endif
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39 #if HAVE_INTTYPES_H_WITH_UINTMAX
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40 # include <inttypes.h>
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41 #endif
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42
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43 /* malloc(), realloc(), free(). */
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44 #include <stdlib.h>
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45
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46 /* Checked size_t computations. */
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47 #include "xsize.h"
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48
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49 #ifndef SSIZE_MAX
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50 # define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
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51 #endif
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52
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53 #if WIDE_CHAR_VERSION
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54 # define PRINTF_PARSE wprintf_parse
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55 # define CHAR_T wchar_t
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56 # define DIRECTIVE wchar_t_directive
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57 # define DIRECTIVES wchar_t_directives
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58 #else
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59 # define PRINTF_PARSE printf_parse
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60 # define CHAR_T char
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61 # define DIRECTIVE char_directive
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62 # define DIRECTIVES char_directives
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63 #endif
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64
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65 #ifdef STATIC
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66 STATIC
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67 #endif
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68 int
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69 PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a)
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70 {
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71 const CHAR_T *cp = format; /* pointer into format */
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72 ssize_t arg_posn = 0; /* number of regular arguments consumed */
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73 size_t d_allocated; /* allocated elements of d->dir */
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74 size_t a_allocated; /* allocated elements of a->arg */
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75 size_t max_width_length = 0;
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76 size_t max_precision_length = 0;
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77
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78 d->count = 0;
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79 d_allocated = 1;
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80 d->dir = malloc (d_allocated * sizeof (DIRECTIVE));
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81 if (d->dir == NULL)
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82 /* Out of memory. */
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83 return -1;
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84
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85 a->count = 0;
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86 a_allocated = 0;
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87 a->arg = NULL;
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88
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89 #define REGISTER_ARG(_index_,_type_) \
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90 { \
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91 size_t n = (_index_); \
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92 if (n >= a_allocated) \
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93 { \
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94 size_t memory_size; \
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95 argument *memory; \
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96 \
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97 a_allocated = xtimes (a_allocated, 2); \
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98 if (a_allocated <= n) \
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99 a_allocated = xsum (n, 1); \
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100 memory_size = xtimes (a_allocated, sizeof (argument)); \
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101 if (size_overflow_p (memory_size)) \
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102 /* Overflow, would lead to out of memory. */ \
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103 goto error; \
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104 memory = (a->arg \
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105 ? realloc (a->arg, memory_size) \
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106 : malloc (memory_size)); \
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107 if (memory == NULL) \
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108 /* Out of memory. */ \
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109 goto error; \
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110 a->arg = memory; \
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111 } \
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112 while (a->count <= n) \
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113 a->arg[a->count++].type = TYPE_NONE; \
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114 if (a->arg[n].type == TYPE_NONE) \
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115 a->arg[n].type = (_type_); \
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116 else if (a->arg[n].type != (_type_)) \
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117 /* Ambiguous type for positional argument. */ \
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118 goto error; \
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119 }
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120
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121 while (*cp != '\0')
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122 {
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123 CHAR_T c = *cp++;
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124 if (c == '%')
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125 {
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126 ssize_t arg_index = -1;
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127 DIRECTIVE *dp = &d->dir[d->count];/* pointer to next directive */
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128
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129 /* Initialize the next directive. */
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130 dp->dir_start = cp - 1;
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131 dp->flags = 0;
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132 dp->width_start = NULL;
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133 dp->width_end = NULL;
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134 dp->width_arg_index = -1;
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135 dp->precision_start = NULL;
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136 dp->precision_end = NULL;
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137 dp->precision_arg_index = -1;
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138 dp->arg_index = -1;
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139
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140 /* Test for positional argument. */
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parents:
diff changeset
141 if (*cp >= '0' && *cp <= '9')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
142 {
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
143 const CHAR_T *np;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
144
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
145 for (np = cp; *np >= '0' && *np <= '9'; np++)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
146 ;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
147 if (*np == '$')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
148 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
149 size_t n = 0;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
150
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
151 for (np = cp; *np >= '0' && *np <= '9'; np++)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
152 n = xsum (xtimes (n, 10), *np - '0');
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
153 if (n == 0)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
154 /* Positional argument 0. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
155 goto error;
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
156 if (size_overflow_p (n) || n - 1 > SSIZE_MAX)
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
157 /* n too large, would lead to out of memory later. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
158 goto error;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
159 arg_index = n - 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
160 cp = np + 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
161 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
162 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
163
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
164 /* Read the flags. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
165 for (;;)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
166 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
167 if (*cp == '\'')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
168 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
169 dp->flags |= FLAG_GROUP;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
170 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
171 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
172 else if (*cp == '-')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
173 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
174 dp->flags |= FLAG_LEFT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
175 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
176 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
177 else if (*cp == '+')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
178 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
179 dp->flags |= FLAG_SHOWSIGN;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
180 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
181 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
182 else if (*cp == ' ')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
183 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
184 dp->flags |= FLAG_SPACE;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
185 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
186 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
187 else if (*cp == '#')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
188 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
189 dp->flags |= FLAG_ALT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
190 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
191 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
192 else if (*cp == '0')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
193 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
194 dp->flags |= FLAG_ZERO;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
195 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
196 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
197 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
198 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
199 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
200
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
201 /* Parse the field width. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
202 if (*cp == '*')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
203 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
204 dp->width_start = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
205 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
206 dp->width_end = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
207 if (max_width_length < 1)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
208 max_width_length = 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
209
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
210 /* Test for positional argument. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
211 if (*cp >= '0' && *cp <= '9')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
212 {
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
213 const CHAR_T *np;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
214
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
215 for (np = cp; *np >= '0' && *np <= '9'; np++)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
216 ;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
217 if (*np == '$')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
218 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
219 size_t n = 0;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
220
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
221 for (np = cp; *np >= '0' && *np <= '9'; np++)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
222 n = xsum (xtimes (n, 10), *np - '0');
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
223 if (n == 0)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
224 /* Positional argument 0. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
225 goto error;
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
226 if (size_overflow_p (n) || n - 1 > SSIZE_MAX)
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
227 /* n too large, would lead to out of memory later. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
228 goto error;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
229 dp->width_arg_index = n - 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
230 cp = np + 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
231 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
232 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
233 if (dp->width_arg_index < 0)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
234 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
235 dp->width_arg_index = arg_posn++;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
236 if (dp->width_arg_index < 0)
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
237 /* arg_posn wrapped around at SSIZE_MAX. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
238 goto error;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
239 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
240 REGISTER_ARG (dp->width_arg_index, TYPE_INT);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
241 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
242 else if (*cp >= '0' && *cp <= '9')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
243 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
244 size_t width_length;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
245
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
246 dp->width_start = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
247 for (; *cp >= '0' && *cp <= '9'; cp++)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
248 ;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
249 dp->width_end = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
250 width_length = dp->width_end - dp->width_start;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
251 if (max_width_length < width_length)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
252 max_width_length = width_length;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
253 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
254
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
255 /* Parse the precision. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
256 if (*cp == '.')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
257 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
258 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
259 if (*cp == '*')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
260 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
261 dp->precision_start = cp - 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
262 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
263 dp->precision_end = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
264 if (max_precision_length < 2)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
265 max_precision_length = 2;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
266
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
267 /* Test for positional argument. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
268 if (*cp >= '0' && *cp <= '9')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
269 {
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
270 const CHAR_T *np;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
271
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
272 for (np = cp; *np >= '0' && *np <= '9'; np++)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
273 ;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
274 if (*np == '$')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
275 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
276 size_t n = 0;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
277
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
278 for (np = cp; *np >= '0' && *np <= '9'; np++)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
279 n = xsum (xtimes (n, 10), *np - '0');
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
280 if (n == 0)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
281 /* Positional argument 0. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
282 goto error;
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
283 if (size_overflow_p (n) || n - 1 > SSIZE_MAX)
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
284 /* n too large, 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
285 later. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
286 goto error;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
287 dp->precision_arg_index = n - 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
288 cp = np + 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
289 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
290 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
291 if (dp->precision_arg_index < 0)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
292 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
293 dp->precision_arg_index = arg_posn++;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
294 if (dp->precision_arg_index < 0)
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
295 /* arg_posn wrapped around at SSIZE_MAX. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
296 goto error;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
297 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
298 REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
299 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
300 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
301 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
302 size_t precision_length;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
303
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
304 dp->precision_start = cp - 1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
305 for (; *cp >= '0' && *cp <= '9'; cp++)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
306 ;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
307 dp->precision_end = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
308 precision_length = dp->precision_end - dp->precision_start;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
309 if (max_precision_length < precision_length)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
310 max_precision_length = precision_length;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
311 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
312 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
313
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
314 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
315 arg_type type;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
316
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
317 /* Parse argument type/size specifiers. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
318 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
319 int flags = 0;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
320
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
321 for (;;)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
322 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
323 if (*cp == 'h')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
324 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
325 flags |= (1 << (flags & 1));
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
326 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
327 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
328 else if (*cp == 'L')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
329 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
330 flags |= 4;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
331 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
332 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
333 else if (*cp == 'l')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
334 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
335 flags += 8;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
336 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
337 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
338 #ifdef HAVE_INTMAX_T
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
339 else if (*cp == 'j')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
340 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
341 if (sizeof (intmax_t) > sizeof (long))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
342 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
343 /* intmax_t = long long */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
344 flags += 16;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
345 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
346 else if (sizeof (intmax_t) > sizeof (int))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
347 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
348 /* intmax_t = long */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
349 flags += 8;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
350 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
351 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
352 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
353 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
354 else if (*cp == 'z' || *cp == 'Z')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
355 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
356 /* 'z' is standardized in ISO C 99, but glibc uses 'Z'
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
357 because the warning facility in gcc-2.95.2 understands
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
358 only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
359 if (sizeof (size_t) > sizeof (long))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
360 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
361 /* size_t = long long */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
362 flags += 16;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
363 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
364 else if (sizeof (size_t) > sizeof (int))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
365 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
366 /* size_t = long */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
367 flags += 8;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
368 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
369 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
370 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
371 else if (*cp == 't')
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
372 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
373 if (sizeof (ptrdiff_t) > sizeof (long))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
374 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
375 /* ptrdiff_t = long long */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
376 flags += 16;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
377 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
378 else if (sizeof (ptrdiff_t) > sizeof (int))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
379 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
380 /* ptrdiff_t = long */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
381 flags += 8;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
382 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
383 cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
384 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
385 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
386 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
387 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
388
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
389 /* Read the conversion character. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
390 c = *cp++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
391 switch (c)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
392 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
393 case 'd': case 'i':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
394 #ifdef HAVE_LONG_LONG
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
395 if (flags >= 16 || (flags & 4))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
396 type = TYPE_LONGLONGINT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
397 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
398 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
399 if (flags >= 8)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
400 type = TYPE_LONGINT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
401 else if (flags & 2)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
402 type = TYPE_SCHAR;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
403 else if (flags & 1)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
404 type = TYPE_SHORT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
405 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
406 type = TYPE_INT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
407 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
408 case 'o': case 'u': case 'x': case 'X':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
409 #ifdef HAVE_LONG_LONG
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
410 if (flags >= 16 || (flags & 4))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
411 type = TYPE_ULONGLONGINT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
412 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
413 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
414 if (flags >= 8)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
415 type = TYPE_ULONGINT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
416 else if (flags & 2)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
417 type = TYPE_UCHAR;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
418 else if (flags & 1)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
419 type = TYPE_USHORT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
420 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
421 type = TYPE_UINT;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
422 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
423 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
424 case 'a': case 'A':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
425 #ifdef HAVE_LONG_DOUBLE
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
426 if (flags >= 16 || (flags & 4))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
427 type = TYPE_LONGDOUBLE;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
428 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
429 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
430 type = TYPE_DOUBLE;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
431 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
432 case 'c':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
433 if (flags >= 8)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
434 #ifdef HAVE_WINT_T
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
435 type = TYPE_WIDE_CHAR;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
436 #else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
437 goto error;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
438 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
439 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
440 type = TYPE_CHAR;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
441 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
442 #ifdef HAVE_WINT_T
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
443 case 'C':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
444 type = TYPE_WIDE_CHAR;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
445 c = 'c';
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
446 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
447 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
448 case 's':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
449 if (flags >= 8)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
450 #ifdef HAVE_WCHAR_T
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
451 type = TYPE_WIDE_STRING;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
452 #else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
453 goto error;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
454 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
455 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
456 type = TYPE_STRING;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
457 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
458 #ifdef HAVE_WCHAR_T
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
459 case 'S':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
460 type = TYPE_WIDE_STRING;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
461 c = 's';
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
462 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
463 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
464 case 'p':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
465 type = TYPE_POINTER;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
466 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
467 case 'n':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
468 #ifdef HAVE_LONG_LONG
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
469 if (flags >= 16 || (flags & 4))
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
470 type = TYPE_COUNT_LONGLONGINT_POINTER;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
471 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
472 #endif
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
473 if (flags >= 8)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
474 type = TYPE_COUNT_LONGINT_POINTER;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
475 else if (flags & 2)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
476 type = TYPE_COUNT_SCHAR_POINTER;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
477 else if (flags & 1)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
478 type = TYPE_COUNT_SHORT_POINTER;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
479 else
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
480 type = TYPE_COUNT_INT_POINTER;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
481 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
482 case '%':
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
483 type = TYPE_NONE;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
484 break;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
485 default:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
486 /* Unknown conversion character. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
487 goto error;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
488 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
489 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
490
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
491 if (type != TYPE_NONE)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
492 {
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
493 dp->arg_index = arg_index;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
494 if (dp->arg_index < 0)
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
495 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
496 dp->arg_index = arg_posn++;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
497 if (dp->arg_index < 0)
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
498 /* arg_posn wrapped around at SSIZE_MAX. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
499 goto error;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
500 }
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
501 REGISTER_ARG (dp->arg_index, type);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
502 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
503 dp->conversion = c;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
504 dp->dir_end = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
505 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
506
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
507 d->count++;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
508 if (d->count >= d_allocated)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
509 {
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
510 size_t memory_size;
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
511 DIRECTIVE *memory;
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
512
4872
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
513 d_allocated = xtimes (d_allocated, 2);
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
514 if (size_overflow_p (d_allocated))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
515 /* 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
516 goto error;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
517 memory_size = xtimes (d_allocated, sizeof (DIRECTIVE));
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
518 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
519 /* 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
520 goto error;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows.
Bruno Haible <bruno@clisp.org>
parents: 4871
diff changeset
521 memory = realloc (d->dir, memory_size);
4224
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
522 if (memory == NULL)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
523 /* Out of memory. */
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
524 goto error;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
525 d->dir = memory;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
526 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
527 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
528 }
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
529 d->dir[d->count].dir_start = cp;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
530
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
531 d->max_width_length = max_width_length;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
532 d->max_precision_length = max_precision_length;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
533 return 0;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
534
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
535 error:
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
536 if (a->arg)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
537 free (a->arg);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
538 if (d->dir)
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
539 free (d->dir);
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
540 return -1;
83eabea25586 New modules vasnprintf and vasprintf.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
541 }
4871
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
542
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
543 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
544 #undef DIRECTIVE
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
545 #undef CHAR_T
87df35000dab Merge support for wide characters, from GNU gettext.
Bruno Haible <bruno@clisp.org>
parents: 4440
diff changeset
546 #undef PRINTF_PARSE