1/* Decomposed printf argument list. 2 Copyright (C) 1999, 2002-2003, 2005-2006 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify it 5 under the terms of the GNU Library General Public License as published 6 by the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public 15 License along with this program; if not, write to the Free Software 16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17 USA. */ 18 19#include <config.h> 20 21/* Specification. */ 22#include "printf-args.h" 23 24#ifdef STATIC 25STATIC 26#endif 27int 28printf_fetchargs (va_list args, arguments *a) 29{ 30 size_t i; 31 argument *ap; 32 33 for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++) 34 switch (ap->type) 35 { 36 case TYPE_SCHAR: 37 ap->a.a_schar = va_arg (args, /*signed char*/ int); 38 break; 39 case TYPE_UCHAR: 40 ap->a.a_uchar = va_arg (args, /*unsigned char*/ int); 41 break; 42 case TYPE_SHORT: 43 ap->a.a_short = va_arg (args, /*short*/ int); 44 break; 45 case TYPE_USHORT: 46 ap->a.a_ushort = va_arg (args, /*unsigned short*/ int); 47 break; 48 case TYPE_INT: 49 ap->a.a_int = va_arg (args, int); 50 break; 51 case TYPE_UINT: 52 ap->a.a_uint = va_arg (args, unsigned int); 53 break; 54 case TYPE_LONGINT: 55 ap->a.a_longint = va_arg (args, long int); 56 break; 57 case TYPE_ULONGINT: 58 ap->a.a_ulongint = va_arg (args, unsigned long int); 59 break; 60#ifdef HAVE_LONG_LONG_INT 61 case TYPE_LONGLONGINT: 62 ap->a.a_longlongint = va_arg (args, long long int); 63 break; 64 case TYPE_ULONGLONGINT: 65 ap->a.a_ulonglongint = va_arg (args, unsigned long long int); 66 break; 67#endif 68 case TYPE_DOUBLE: 69 ap->a.a_double = va_arg (args, double); 70 break; 71#ifdef HAVE_LONG_DOUBLE 72 case TYPE_LONGDOUBLE: 73 ap->a.a_longdouble = va_arg (args, long double); 74 break; 75#endif 76 case TYPE_CHAR: 77 ap->a.a_char = va_arg (args, int); 78 break; 79#ifdef HAVE_WINT_T 80 case TYPE_WIDE_CHAR: 81 /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by 82 default argument promotions", this is not the case in mingw32, 83 where wint_t is 'unsigned short'. */ 84 ap->a.a_wide_char = 85 (sizeof (wint_t) < sizeof (int) 86 ? va_arg (args, int) 87 : va_arg (args, wint_t)); 88 break; 89#endif 90 case TYPE_STRING: 91 ap->a.a_string = va_arg (args, const char *); 92 /* A null pointer is an invalid argument for "%s", but in practice 93 it occurs quite frequently in printf statements that produce 94 debug output. Use a fallback in this case. */ 95 if (ap->a.a_string == NULL) 96 ap->a.a_string = "(NULL)"; 97 break; 98#ifdef HAVE_WCHAR_T 99 case TYPE_WIDE_STRING: 100 ap->a.a_wide_string = va_arg (args, const wchar_t *); 101 /* A null pointer is an invalid argument for "%ls", but in practice 102 it occurs quite frequently in printf statements that produce 103 debug output. Use a fallback in this case. */ 104 if (ap->a.a_wide_string == NULL) 105 { 106 static const wchar_t wide_null_string[] = 107 { 108 (wchar_t)'(', 109 (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L', 110 (wchar_t)')', 111 (wchar_t)0 112 }; 113 ap->a.a_wide_string = wide_null_string; 114 } 115 break; 116#endif 117 case TYPE_POINTER: 118 ap->a.a_pointer = va_arg (args, void *); 119 break; 120 case TYPE_COUNT_SCHAR_POINTER: 121 ap->a.a_count_schar_pointer = va_arg (args, signed char *); 122 break; 123 case TYPE_COUNT_SHORT_POINTER: 124 ap->a.a_count_short_pointer = va_arg (args, short *); 125 break; 126 case TYPE_COUNT_INT_POINTER: 127 ap->a.a_count_int_pointer = va_arg (args, int *); 128 break; 129 case TYPE_COUNT_LONGINT_POINTER: 130 ap->a.a_count_longint_pointer = va_arg (args, long int *); 131 break; 132#ifdef HAVE_LONG_LONG_INT 133 case TYPE_COUNT_LONGLONGINT_POINTER: 134 ap->a.a_count_longlongint_pointer = va_arg (args, long long int *); 135 break; 136#endif 137 default: 138 /* Unknown type. */ 139 return -1; 140 } 141 return 0; 142} 143