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(va_arg): Copy both definitions from gstdarg.h.

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From-SVN: r2821
This commit is contained in:
Richard Stallman 1992-11-30 23:07:11 +00:00
parent 0cd3c247a3
commit 5153d9d693
1 changed files with 12 additions and 2 deletions
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14
gcc/ginclude/varargs.h
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@ -87,9 +87,19 @@ typedef void *__gnuc_va_list;
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#if defined (__arm__) || defined (__i386__) || defined (__ns32000__) || defined (__vax__)
/* This is for little-endian machines; small args are padded upward. */
#define va_arg(AP, TYPE) \
(AP += __va_rounded_size (TYPE), \
*((TYPE *) (AP - __va_rounded_size (TYPE))))
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
#else /* big-endian */
/* This is for big-endian machines; small args are padded downward. */
#define va_arg(AP, TYPE) \
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
*((TYPE *) (void *) ((char *) (AP) - ((sizeof (TYPE) < 4 \
? sizeof (TYPE) \
: __va_rounded_size (TYPE))))))
#endif /* big-endian */
#endif /* not alpha */
#endif /* not i960 */