53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/***
|
|
*stdarg.h - defines ANSI-style macros for variable argument functions
|
|
*
|
|
* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* This file defines ANSI-style macros for accessing arguments
|
|
* of functions which take a variable number of arguments.
|
|
* [ANSI]
|
|
*
|
|
****/
|
|
|
|
#ifndef _INC_STDARG
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifdef _WINDLL
|
|
#define _FARARG_ __far
|
|
#else
|
|
#define _FARARG_
|
|
#endif
|
|
|
|
#if (_MSC_VER <= 600)
|
|
#define __far _far
|
|
#endif
|
|
|
|
#ifndef _VA_LIST_DEFINED
|
|
typedef char _FARARG_ *va_list;
|
|
#define _VA_LIST_DEFINED
|
|
#endif
|
|
|
|
/*
|
|
* define a macro to compute the size of a type, variable or expression,
|
|
* rounded up to the nearest multiple of sizeof(int). This number is its
|
|
* size as function argument (Intel architecture). Note that the macro
|
|
* depends on sizeof(int) being a power of 2!
|
|
*/
|
|
|
|
#define _INTSIZEOF(n) ( (sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1) )
|
|
|
|
#define va_start(ap,v) ap = (va_list)&v + _INTSIZEOF(v)
|
|
#define va_arg(ap,t) ( *(t _FARARG_ *)((ap += _INTSIZEOF(t)) - _INTSIZEOF(t)) )
|
|
#define va_end(ap) ap = (va_list)0
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#define _INC_STDARG
|
|
#endif
|