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