1 /* Decomposed printf argument list. 2 Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2012 Free Software 3 Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License along 16 with this program; if not, see <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _PRINTF_ARGS_H 19 #define _PRINTF_ARGS_H 20 21 /* This file can be parametrized with the following macros: 22 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. 23 PRINTF_FETCHARGS Name of the function to be declared. 24 STATIC Set to 'static' to declare the function static. */ 25 26 /* Default parameters. */ 27 #ifndef PRINTF_FETCHARGS 28 # define PRINTF_FETCHARGS printf_fetchargs 29 #endif 30 31 /* Get size_t. */ 32 #include <stddef.h> 33 34 /* Get wchar_t. */ 35 #if HAVE_WCHAR_T 36 # include <stddef.h> 37 #endif 38 39 /* Get wint_t. */ 40 #if HAVE_WINT_T 41 # include <wchar.h> 42 #endif 43 44 /* Get va_list. */ 45 #include <stdarg.h> 46 47 48 /* Argument types */ 49 typedef enum 50 { 51 TYPE_NONE, 52 TYPE_SCHAR, 53 TYPE_UCHAR, 54 TYPE_SHORT, 55 TYPE_USHORT, 56 TYPE_INT, 57 TYPE_UINT, 58 TYPE_LONGINT, 59 TYPE_ULONGINT, 60 #if HAVE_LONG_LONG_INT 61 TYPE_LONGLONGINT, 62 TYPE_ULONGLONGINT, 63 #endif 64 TYPE_DOUBLE, 65 TYPE_LONGDOUBLE, 66 TYPE_CHAR, 67 #if HAVE_WINT_T 68 TYPE_WIDE_CHAR, 69 #endif 70 TYPE_STRING, 71 #if HAVE_WCHAR_T 72 TYPE_WIDE_STRING, 73 #endif 74 TYPE_POINTER, 75 TYPE_COUNT_SCHAR_POINTER, 76 TYPE_COUNT_SHORT_POINTER, 77 TYPE_COUNT_INT_POINTER, 78 TYPE_COUNT_LONGINT_POINTER 79 #if HAVE_LONG_LONG_INT 80 , TYPE_COUNT_LONGLONGINT_POINTER 81 #endif 82 #if ENABLE_UNISTDIO 83 /* The unistdio extensions. */ 84 , TYPE_U8_STRING 85 , TYPE_U16_STRING 86 , TYPE_U32_STRING 87 #endif 88 } arg_type; 89 90 /* Polymorphic argument */ 91 typedef struct 92 { 93 arg_type type; 94 union 95 { 96 signed char a_schar; 97 unsigned char a_uchar; 98 short a_short; 99 unsigned short a_ushort; 100 int a_int; 101 unsigned int a_uint; 102 long int a_longint; 103 unsigned long int a_ulongint; 104 #if HAVE_LONG_LONG_INT 105 long long int a_longlongint; 106 unsigned long long int a_ulonglongint; 107 #endif 108 float a_float; 109 double a_double; 110 long double a_longdouble; 111 int a_char; 112 #if HAVE_WINT_T 113 wint_t a_wide_char; 114 #endif 115 const char* a_string; 116 #if HAVE_WCHAR_T 117 const wchar_t* a_wide_string; 118 #endif 119 void* a_pointer; 120 signed char * a_count_schar_pointer; 121 short * a_count_short_pointer; 122 int * a_count_int_pointer; 123 long int * a_count_longint_pointer; 124 #if HAVE_LONG_LONG_INT 125 long long int * a_count_longlongint_pointer; 126 #endif 127 #if ENABLE_UNISTDIO 128 /* The unistdio extensions. */ 129 const uint8_t * a_u8_string; 130 const uint16_t * a_u16_string; 131 const uint32_t * a_u32_string; 132 #endif 133 } 134 a; 135 } 136 argument; 137 138 /* Number of directly allocated arguments (no malloc() needed). */ 139 #define N_DIRECT_ALLOC_ARGUMENTS 7 140 141 typedef struct 142 { 143 size_t count; 144 argument *arg; 145 argument direct_alloc_arg[N_DIRECT_ALLOC_ARGUMENTS]; 146 } 147 arguments; 148 149 150 /* Fetch the arguments, putting them into a. */ 151 #ifdef STATIC 152 STATIC 153 #else 154 extern 155 #endif 156 int PRINTF_FETCHARGS (va_list args, arguments *a); 157 158 #endif /* _PRINTF_ARGS_H */ 159
