35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
|
/* Define __gnuc_va_list. */
|
||
|
|
|
||
|
|
#ifndef __GNUC_VA_LIST
|
||
|
|
#define __GNUC_VA_LIST
|
||
|
|
typedef void *__gnuc_va_list;
|
||
|
|
#endif /* not __GNUC_VA_LIST */
|
||
|
|
|
||
|
|
/* If this is for internal libc use, don't define anything but
|
||
|
|
__gnuc_va_list. */
|
||
|
|
#if defined (_STDARG_H) || defined (_VARARGS_H)
|
||
|
|
|
||
|
|
#ifdef _STDARG_H
|
||
|
|
#define va_start(AP, LASTARG) \
|
||
|
|
(AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
|
||
|
|
#else
|
||
|
|
#define __va_ellipsis ...
|
||
|
|
#define va_alist __builtin_va_alist
|
||
|
|
#define va_dcl int __builtin_va_alist; __va_ellipsis
|
||
|
|
#define va_start(AP) AP=(char *) &__builtin_va_alist
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Now stuff common to both varargs & stdarg implementations. */
|
||
|
|
#define __va_rounded_size(TYPE) \
|
||
|
|
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
|
||
|
|
#undef va_end
|
||
|
|
void va_end (__gnuc_va_list);
|
||
|
|
#define va_end(AP) ((void)0)
|
||
|
|
#define va_arg(AP, TYPE) \
|
||
|
|
(sizeof (TYPE) > 8 \
|
||
|
|
? (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (char *)),\
|
||
|
|
**((TYPE **) (void *) ((char *) (AP) - __va_rounded_size (char *))))\
|
||
|
|
: (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
|
||
|
|
*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))))
|
||
|
|
#endif
|