2021-09-14 15:48:57 +00:00
|
|
|
#ifndef __STDARG__H
|
|
|
|
|
#define __STDARG__H
|
2021-09-14 15:34:14 +00:00
|
|
|
|
|
|
|
|
#include <va_list.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C"
|
|
|
|
|
{
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* width of stack == width of int */
|
|
|
|
|
#define STACKITEM int
|
|
|
|
|
|
|
|
|
|
/* round up width of objects pushed on stack. The expression before the
|
|
|
|
|
& ensures that we get 0 for objects of size 0. */
|
|
|
|
|
#define VA_SIZE(TYPE) \
|
|
|
|
|
((sizeof(TYPE) + sizeof(STACKITEM) - 1) \
|
|
|
|
|
& ~(sizeof(STACKITEM) - 1))
|
|
|
|
|
|
|
|
|
|
/* &(LASTARG) points to the LEFTMOST argument of the function call
|
|
|
|
|
(before the ...) */
|
|
|
|
|
#define va_start(AP, LASTARG) \
|
|
|
|
|
(AP=((va_list)&(LASTARG) + VA_SIZE(LASTARG)))
|
|
|
|
|
|
|
|
|
|
/* nothing for va_end */
|
|
|
|
|
#define va_end(AP)
|
|
|
|
|
|
|
|
|
|
#define va_arg(AP, TYPE) \
|
|
|
|
|
(AP += VA_SIZE(TYPE), *((TYPE *)(AP - VA_SIZE(TYPE))))
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|
