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annotate lib/printf-args.h @ 4224:83eabea25586

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New modules vasnprintf and vasprintf.
author Bruno Haible <bruno@clisp.org>
date Thu, 30 Jan 2003 13:48:21 +0000
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children e58a1c05a6ba
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4224
83eabea25586 New modules vasnprintf and vasprintf.
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1 /* Decomposed printf argument list.
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2 Copyright (C) 1999, 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 it
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5 under the terms of the GNU Library General Public License as published
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6 by 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 GNU
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12 Library 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 Library General Public
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15 License along with this program; if not, write to the Free Software
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16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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17 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 /* Get wchar_t. */
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23 #ifdef HAVE_WCHAR_T
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24 # include <stddef.h>
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25 #endif
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26
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27 /* Get wint_t. */
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28 #ifdef HAVE_WINT_T
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29 # include <wchar.h>
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30 #endif
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31
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32 /* Get va_list. */
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33 #include <stdarg.h>
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34
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35
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36 /* Argument types */
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37 typedef enum
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38 {
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39 TYPE_NONE,
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40 TYPE_SCHAR,
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41 TYPE_UCHAR,
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42 TYPE_SHORT,
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43 TYPE_USHORT,
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44 TYPE_INT,
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45 TYPE_UINT,
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46 TYPE_LONGINT,
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47 TYPE_ULONGINT,
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48 #ifdef HAVE_LONG_LONG
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49 TYPE_LONGLONGINT,
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50 TYPE_ULONGLONGINT,
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51 #endif
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52 TYPE_DOUBLE,
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53 #ifdef HAVE_LONG_DOUBLE
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54 TYPE_LONGDOUBLE,
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55 #endif
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56 TYPE_CHAR,
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57 #ifdef HAVE_WINT_T
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58 TYPE_WIDE_CHAR,
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59 #endif
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60 TYPE_STRING,
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61 #ifdef HAVE_WCHAR_T
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62 TYPE_WIDE_STRING,
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63 #endif
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64 TYPE_POINTER,
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65 TYPE_COUNT_SCHAR_POINTER,
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66 TYPE_COUNT_SHORT_POINTER,
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67 TYPE_COUNT_INT_POINTER,
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68 TYPE_COUNT_LONGINT_POINTER
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69 #ifdef HAVE_LONG_LONG
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70 , TYPE_COUNT_LONGLONGINT_POINTER
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71 #endif
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72 } arg_type;
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73
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74 /* Polymorphic argument */
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75 typedef struct
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76 {
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77 arg_type type;
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78 union
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79 {
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80 signed char a_schar;
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81 unsigned char a_uchar;
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82 short a_short;
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83 unsigned short a_ushort;
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84 int a_int;
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85 unsigned int a_uint;
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86 long int a_longint;
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87 unsigned long int a_ulongint;
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88 #ifdef HAVE_LONG_LONG
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89 long long int a_longlongint;
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90 unsigned long long int a_ulonglongint;
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91 #endif
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92 float a_float;
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93 double a_double;
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94 #ifdef HAVE_LONG_DOUBLE
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95 long double a_longdouble;
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96 #endif
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97 int a_char;
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98 #ifdef HAVE_WINT_T
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99 wint_t a_wide_char;
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100 #endif
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101 const char* a_string;
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102 #ifdef HAVE_WCHAR_T
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103 const wchar_t* a_wide_string;
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104 #endif
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105 void* a_pointer;
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106 signed char * a_count_schar_pointer;
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107 short * a_count_short_pointer;
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108 int * a_count_int_pointer;
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109 long int * a_count_longint_pointer;
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110 #ifdef HAVE_LONG_LONG
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111 long long int * a_count_longlongint_pointer;
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112 #endif
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113 }
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114 a;
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115 }
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116 argument;
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117
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118 typedef struct
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119 {
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120 unsigned int count;
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121 argument *arg;
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122 }
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123 arguments;
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124
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125
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126 /* Fetch the arguments, putting them into a. */
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127 #ifdef STATIC
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128 STATIC
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129 #else
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130 extern
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131 #endif
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132 int printf_fetchargs (va_list args, arguments *a);
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133
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134 #endif /* _PRINTF_ARGS_H */