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split off arch-specific stdarg.h stuff

This commit is contained in:
Rich Felker 2011-02-15 05:06:15 -05:00
parent 03a2f3e48c
commit 13a026bd79
2 changed files with 10 additions and 15 deletions
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9
arch/i386/bits/stdarg.h Normal file
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@ -0,0 +1,9 @@
#define __VA_ALIGNED_SIZE(x) ((sizeof(x) + sizeof(int) - 1) & ~(sizeof(int) - 1))
#define va_start(ap, last) ((ap) = (void *)(((char *)&(last)) + __VA_ALIGNED_SIZE(last)))
#define va_end(ap) ((void)0)
#define va_copy(dest, src) ((dest) = (src))
#define va_arg(ap, type) \
( ((ap) = (va_list)((char *)(ap) + __VA_ALIGNED_SIZE(type))), \
*(type *)(void *)((char *)(ap) - __VA_ALIGNED_SIZE(type)) )

16
include/stdarg.h
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@ -9,21 +9,7 @@ extern "C" {
#include <bits/alltypes.h>
#define __VA_ALIGNED_SIZE(x) ((sizeof(x) + sizeof(int) - 1) & ~(sizeof(int) - 1))
#define va_start(ap, last) ((ap) = (void *)(((char *)&(last)) + __VA_ALIGNED_SIZE(last)))
#define va_end(ap) ((void)0)
#define va_copy(dest, src) ((dest) = (src))
#if 0
#define va_arg(ap, type) \
( ((ap) = (va_list)((char *)(ap) + sizeof(type))), \
*(type *)(void *)((char *)(ap) - sizeof(type)) )
#endif
#define va_arg(ap, type) \
( ((ap) = (va_list)((char *)(ap) + __VA_ALIGNED_SIZE(type))), \
*(type *)(void *)((char *)(ap) - __VA_ALIGNED_SIZE(type)) )
#include <bits/stdarg.h>
#ifdef __cplusplus
}