51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* stdarg.h for GNU.
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Note that the type used in va_arg is supposed to match the
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actual type **after default promotions**.
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Thus, va_arg (..., short) is not valid. */
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#ifndef _STDARG_H
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#define _STDARG_H
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#ifdef __m88k__
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#include "va-m88k.h"
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#else
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#ifdef __i860__
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#include "va-i860.h"
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#else
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/* The macro _VA_LIST_ is the same thing used by this file in Ultrix. */
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#ifndef _VA_LIST_
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/* The macro _VA_LIST is used in SCO Unix 3.2. */
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#ifndef _VA_LIST
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#define _VA_LIST_
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#define _VA_LIST
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typedef char *va_list;
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#endif /* _VA_LIST */
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#endif /* _VA_LIST_ */
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/* Amount of space required in an argument list for an arg of type TYPE.
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TYPE may alternatively be an expression whose type is used. */
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#ifndef __sparc__
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#define va_start(AP, LASTARG) \
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(AP = ((char *) __builtin_next_arg ()))
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#else
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#define va_start(AP, LASTARG) \
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(__builtin_saveregs (), \
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AP = ((char *) __builtin_next_arg ()))
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#endif
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void va_end (va_list); /* Defined in libgcc.a */
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#define va_end(AP)
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#define va_arg(AP, TYPE) \
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(AP += __va_rounded_size (TYPE), \
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*((TYPE *) (AP - __va_rounded_size (TYPE))))
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#endif /* not i860 */
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#endif /* not m88k */
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#endif /* _STDARG_H */
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