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001 /* Copyright (C) 2003 The KOS Team 002 Copyright (C) 1999 Free Software Foundation 003 004 This program is free software; you can redistribute it and/or 005 modify it under the terms of the GNU General Public License 006 as published by the Free Software Foundation; either version 2 007 of the License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU General Public License for more details. 013 014 You should have received a copy of the GNU General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 017 USA. 018 */ 019 #ifndef _SOS_LIBC_STDARG_H_ 020 #define _SOS_LIBC_STDARG_H_ 021 022 #include <types.h> 023 024 /** 025 * @file stdarg.h 026 */ 027 028 /* Borrowed from GCC */ 029 #define __GNUC_VA_LIST 030 typedef void *__gnuc_va_list; 031 typedef __gnuc_va_list va_list; 032 #define __va_rounded_size(TYPE) \ 033 (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) 034 #define va_start(AP, LASTARG) \ 035 (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG))) 036 #define va_end(AP) \ 037 ((void)0) 038 #define va_arg(AP, TYPE) \ 039 (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ 040 *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))) 041 #define __va_copy(dest, src) \ 042 (dest) = (src) 043 044 /* stdarg.h functions. There might be a non-standard behavior: there 045 will always be a trailing '\0' in the resulting string */ 046 int vsnprintf(char *, size_t, const char *, va_list); 047 int snprintf(char *, size_t, const char *, /*args*/ ...) 048 __attribute__ ((format (printf, 3, 4))); 049 050 #endif /* _SOS_LIBC_STDARG_H_ */
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