1/* Define __gnuc_va_list. */ 2 3#ifndef __GNUC_VA_LIST 4#define __GNUC_VA_LIST 5typedef void *__gnuc_va_list; 6#endif /* not __GNUC_VA_LIST */ 7 8/* If this is for internal libc use, don't define anything but 9 __gnuc_va_list. */ 10#if defined (_STDARG_H) || defined (_VARARGS_H) 11 12#ifdef _STDARG_H 13#define va_start(AP, LASTARG) \ 14 (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG))) 15#else 16#define __va_ellipsis ... 17#define va_alist __builtin_va_alist 18#define va_dcl int __builtin_va_alist; __va_ellipsis 19#define va_start(AP) AP=(char *) &__builtin_va_alist 20#endif 21 22/* Now stuff common to both varargs & stdarg implementations. */ 23#define __va_rounded_size(TYPE) \ 24 (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) 25#undef va_end 26void va_end (__gnuc_va_list); 27#define va_end(AP) ((void)0) 28#define va_arg(AP, TYPE) \ 29 (sizeof (TYPE) > 8 \ 30 ? (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (char *)),\ 31 **((TYPE **) (void *) ((char *) (AP) - __va_rounded_size (char *))))\ 32 : (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ 33 *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))) 34#endif 35