deep-c-rsc/JCGO/minihdr/common/stdarg.h
2021-07-16 17:12:20 -05:00

63 lines
2.2 KiB
C

/*
* @(#) $(JCGO)/minihdr/common/stdarg.h --
* a part of the minimalist "libc" headers for JCGO.
**
* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
* Copyright (C) 2001-2008 Ivan Maidanski <ivmai@ivmaisoft.com>
* All rights reserved.
*/
/*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
**
* This software is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License (GPL) for more details.
**
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
**
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#ifndef _STDARG_H
#define _STDARG_H
#ifndef _STDDEF_H
#include <stddef.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
#ifndef va_start
typedef void *va_list;
#define va_start(ap, parmN) ((void)((ap) = (va_list)((char *)(&parmN) + ((sizeof(parmN) + sizeof(int) - 1) & ~(sizeof(int) - 1)))))
#define va_arg(ap, type) (*(type *)(((*(char **)&(ap)) += (sizeof(type) + sizeof(int) - 1) & ~(sizeof(int) - 1)) - ((sizeof(type) + sizeof(int) - 1) & ~(sizeof(int) - 1))))
#define va_end(ap) ((void)0)
#endif
#ifdef __cplusplus
}
#endif
#endif