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Differences between /userland/stdarg.h (Article 7) and /userland/stdarg.h (Article 7.5)


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

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