43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/****************************************************************
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*
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* stdarg.h - variable length parameter list handling
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*
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* February 1989
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* Mike Westerfield
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*
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* Copyright 1989
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* Byte Works, Inc.
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*
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*****************************************************************
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*
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* Modified July 1994
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*
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* Thanks to Doug Gwyn for the new va_start & va_arg declarations.
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*
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*****************************************************************
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*
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* Modified October 2021 for better standards conformance.
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* This version will only work with ORCA/C 2.2.0 B6 or later.
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*
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****************************************************************/
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#ifndef __stdarg__
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#define __stdarg__
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#ifndef __va_list__
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#define __va_list__
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typedef char *__va_list[2];
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#endif
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typedef __va_list va_list;
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#define va_end(ap) __record_va_info(ap)
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#define va_start(ap,LastFixedParm) ((void) ((ap)[0] = (char *)__orcac_va_info[1], (ap)[1] = (char *)&__orcac_va_info))
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#define va_arg(ap,type) _Generic(*(type *)0, \
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double: (type)((long double *)((ap)[0] += sizeof(long double)))[-1], \
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default: ((type *)((ap)[0] += sizeof(type)))[-1])
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#define va_copy(dest,src) ((void)((dest)[0]=(src)[0],(dest)[1]=(src)[1]))
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void __record_va_info(va_list);
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#endif
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