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434
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1 /* Decomposed printf argument list.
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2 Copyright (C) 1999, 2002-2003, 2006-2007, 2009-2010 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 3, 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, write to the Free Software Foundation,
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17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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18
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19 #ifndef _PRINTF_ARGS_H
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20 #define _PRINTF_ARGS_H
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21
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22 /* This file can be parametrized with the following macros:
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23 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
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24 PRINTF_FETCHARGS Name of the function to be declared.
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25 STATIC Set to 'static' to declare the function static. */
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26
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27 /* Default parameters. */
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28 #ifndef PRINTF_FETCHARGS
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29 # define PRINTF_FETCHARGS printf_fetchargs
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30 #endif
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31
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32 /* Get size_t. */
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33 #include <stddef.h>
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34
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35 /* Get wchar_t. */
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36 #if HAVE_WCHAR_T
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37 # include <stddef.h>
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38 #endif
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39
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40 /* Get wint_t. */
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41 #if HAVE_WINT_T
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42 # include <wchar.h>
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43 #endif
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44
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45 /* Get va_list. */
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46 #include <stdarg.h>
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47
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48
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49 /* Argument types */
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50 typedef enum
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51 {
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52 TYPE_NONE,
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53 TYPE_SCHAR,
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54 TYPE_UCHAR,
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55 TYPE_SHORT,
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56 TYPE_USHORT,
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57 TYPE_INT,
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58 TYPE_UINT,
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59 TYPE_LONGINT,
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60 TYPE_ULONGINT,
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61 #if HAVE_LONG_LONG_INT
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62 TYPE_LONGLONGINT,
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63 TYPE_ULONGLONGINT,
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64 #endif
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65 TYPE_DOUBLE,
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66 TYPE_LONGDOUBLE,
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67 TYPE_CHAR,
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68 #if HAVE_WINT_T
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69 TYPE_WIDE_CHAR,
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70 #endif
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71 TYPE_STRING,
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72 #if HAVE_WCHAR_T
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73 TYPE_WIDE_STRING,
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74 #endif
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75 TYPE_POINTER,
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76 TYPE_COUNT_SCHAR_POINTER,
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77 TYPE_COUNT_SHORT_POINTER,
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78 TYPE_COUNT_INT_POINTER,
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79 TYPE_COUNT_LONGINT_POINTER
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80 #if HAVE_LONG_LONG_INT
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81 , TYPE_COUNT_LONGLONGINT_POINTER
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82 #endif
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83 #if ENABLE_UNISTDIO
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84 /* The unistdio extensions. */
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85 , TYPE_U8_STRING
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86 , TYPE_U16_STRING
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87 , TYPE_U32_STRING
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88 #endif
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89 } arg_type;
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90
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91 /* Polymorphic argument */
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92 typedef struct
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93 {
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94 arg_type type;
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95 union
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96 {
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97 signed char a_schar;
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98 unsigned char a_uchar;
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99 short a_short;
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100 unsigned short a_ushort;
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101 int a_int;
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102 unsigned int a_uint;
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103 long int a_longint;
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104 unsigned long int a_ulongint;
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105 #if HAVE_LONG_LONG_INT
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106 long long int a_longlongint;
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107 unsigned long long int a_ulonglongint;
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108 #endif
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109 float a_float;
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110 double a_double;
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111 long double a_longdouble;
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112 int a_char;
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113 #if HAVE_WINT_T
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114 wint_t a_wide_char;
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115 #endif
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116 const char* a_string;
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117 #if HAVE_WCHAR_T
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118 const wchar_t* a_wide_string;
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119 #endif
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120 void* a_pointer;
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121 signed char * a_count_schar_pointer;
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122 short * a_count_short_pointer;
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123 int * a_count_int_pointer;
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124 long int * a_count_longint_pointer;
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125 #if HAVE_LONG_LONG_INT
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126 long long int * a_count_longlongint_pointer;
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127 #endif
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128 #if ENABLE_UNISTDIO
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129 /* The unistdio extensions. */
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130 const uint8_t * a_u8_string;
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131 const uint16_t * a_u16_string;
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132 const uint32_t * a_u32_string;
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133 #endif
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134 }
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135 a;
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136 }
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137 argument;
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138
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139 typedef struct
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140 {
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141 size_t count;
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142 argument *arg;
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143 }
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144 arguments;
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145
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146
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147 /* Fetch the arguments, putting them into a. */
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148 #ifdef STATIC
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149 STATIC
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150 #else
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151 extern
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152 #endif
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153 int PRINTF_FETCHARGS (va_list args, arguments *a);
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154
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155 #endif /* _PRINTF_ARGS_H */
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