varargs.mh

来自「开放源码的编译器open watcom 1.6.0版的源代码」· MH 代码 · 共 47 行

/*
 *  varargs.h   Variable argument macros (UNIX System V definition)
 *              definitions for use with variable argument lists
 *
:include crwat.sp
 */
#ifndef _VARARGS_H_INCLUDED
#define _VARARGS_H_INCLUDED
:include readonly.sp
:include cpluspro.sp

#ifndef _COMDEF_H_INCLUDED
 #include <_comdef.h>
#endif
#ifndef _STDARG_H_INCLUDED
 #include <stdarg.h>
#else
 #error stdarg.h has already been included
#endif

#undef va_start

#if defined(__PPC__)
 extern void *__builtin_va_start(va_list*, ...);
 #pragma intrinsic(__builtin_va_start);
 #define va_alist       void *__alist, ...
 #define va_dcl
 #define va_start(ap)   (__builtin_va_start(&ap,__alist,0))
#elif defined(__AXP__)
 extern void *__builtin_va_start(va_list*, ...);
 #pragma intrinsic(__builtin_va_start);
 #define va_alist       void *__alist, ...
 #define va_dcl
 #define va_start(ap)   (__builtin_va_start(&ap,__alist,0))
#else
 #define va_alist       void *__alist, ...
 #define va_dcl
 #if defined(__HUGE__) || defined(__SW_ZU)
  #define va_start(ap)  ((ap)[0]=(char _WCFAR*)&__alist,(void)0)
 #else
  #define va_start(ap)  ((ap)[0]=(char *)&__alist,(void)0)
 #endif
#endif

:include cplusepi.sp
#endif