| /* 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 |