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annotate lib/printf-args.h @ 17282:a4996fb12971

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locale: port to Solaris 2.6 and 7 + GNU gettext * lib/locale.in.h: Just include_next <locale.h> when being invoked recursively. This prevents problems on Solaris 2.6 and 7 when combining the localename module with GNU gettext 0.18.2. Problem reported by Tom G. Christensen in <http://lists.gnu.org/archive/html/bug-gnulib/2013-01/msg00084.html>.
author Paul Eggert <eggert@cs.ucla.edu>
date Thu, 10 Jan 2013 13:24:13 -0800
parents e542fd46ad6f
children 344018b6e5d7
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1 /* Decomposed printf argument list.
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2 Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2013 Free Software
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3 Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License along
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16 with this program; if not, see <http://www.gnu.org/licenses/>. */
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17
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18 #ifndef _PRINTF_ARGS_H
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19 #define _PRINTF_ARGS_H
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20
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21 /* This file can be parametrized with the following macros:
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22 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
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23 PRINTF_FETCHARGS Name of the function to be declared.
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24 STATIC Set to 'static' to declare the function static. */
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25
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26 /* Default parameters. */
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27 #ifndef PRINTF_FETCHARGS
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28 # define PRINTF_FETCHARGS printf_fetchargs
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29 #endif
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30
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31 /* Get size_t. */
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32 #include <stddef.h>
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33
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34 /* Get wchar_t. */
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35 #if HAVE_WCHAR_T
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36 # include <stddef.h>
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37 #endif
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38
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39 /* Get wint_t. */
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40 #if HAVE_WINT_T
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41 # include <wchar.h>
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42 #endif
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43
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44 /* Get va_list. */
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45 #include <stdarg.h>
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46
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47
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48 /* Argument types */
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49 typedef enum
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50 {
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51 TYPE_NONE,
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52 TYPE_SCHAR,
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53 TYPE_UCHAR,
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54 TYPE_SHORT,
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55 TYPE_USHORT,
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56 TYPE_INT,
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57 TYPE_UINT,
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58 TYPE_LONGINT,
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59 TYPE_ULONGINT,
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60 #if HAVE_LONG_LONG_INT
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61 TYPE_LONGLONGINT,
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62 TYPE_ULONGLONGINT,
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63 #endif
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64 TYPE_DOUBLE,
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65 TYPE_LONGDOUBLE,
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66 TYPE_CHAR,
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67 #if HAVE_WINT_T
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68 TYPE_WIDE_CHAR,
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69 #endif
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70 TYPE_STRING,
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71 #if HAVE_WCHAR_T
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72 TYPE_WIDE_STRING,
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73 #endif
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74 TYPE_POINTER,
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75 TYPE_COUNT_SCHAR_POINTER,
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76 TYPE_COUNT_SHORT_POINTER,
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77 TYPE_COUNT_INT_POINTER,
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78 TYPE_COUNT_LONGINT_POINTER
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79 #if HAVE_LONG_LONG_INT
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80 , TYPE_COUNT_LONGLONGINT_POINTER
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81 #endif
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82 #if ENABLE_UNISTDIO
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83 /* The unistdio extensions. */
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84 , TYPE_U8_STRING
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85 , TYPE_U16_STRING
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86 , TYPE_U32_STRING
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87 #endif
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88 } arg_type;
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89
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90 /* Polymorphic argument */
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91 typedef struct
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92 {
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93 arg_type type;
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94 union
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95 {
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96 signed char a_schar;
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97 unsigned char a_uchar;
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98 short a_short;
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99 unsigned short a_ushort;
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100 int a_int;
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101 unsigned int a_uint;
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102 long int a_longint;
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103 unsigned long int a_ulongint;
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104 #if HAVE_LONG_LONG_INT
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105 long long int a_longlongint;
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106 unsigned long long int a_ulonglongint;
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107 #endif
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108 float a_float;
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109 double a_double;
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110 long double a_longdouble;
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111 int a_char;
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112 #if HAVE_WINT_T
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113 wint_t a_wide_char;
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114 #endif
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115 const char* a_string;
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116 #if HAVE_WCHAR_T
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117 const wchar_t* a_wide_string;
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118 #endif
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119 void* a_pointer;
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120 signed char * a_count_schar_pointer;
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121 short * a_count_short_pointer;
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122 int * a_count_int_pointer;
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123 long int * a_count_longint_pointer;
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124 #if HAVE_LONG_LONG_INT
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125 long long int * a_count_longlongint_pointer;
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126 #endif
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127 #if ENABLE_UNISTDIO
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128 /* The unistdio extensions. */
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129 const uint8_t * a_u8_string;
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130 const uint16_t * a_u16_string;
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131 const uint32_t * a_u32_string;
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132 #endif
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133 }
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134 a;
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135 }
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136 argument;
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137
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138 /* Number of directly allocated arguments (no malloc() needed). */
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139 #define N_DIRECT_ALLOC_ARGUMENTS 7
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140
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141 typedef struct
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142 {
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143 size_t count;
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144 argument *arg;
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145 argument direct_alloc_arg[N_DIRECT_ALLOC_ARGUMENTS];
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146 }
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147 arguments;
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148
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149
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150 /* Fetch the arguments, putting them into a. */
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151 #ifdef STATIC
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152 STATIC
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153 #else
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154 extern
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155 #endif
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156 int PRINTF_FETCHARGS (va_list args, arguments *a);
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157
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158 #endif /* _PRINTF_ARGS_H */