/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include "variety.h"
#include "widechar.h"
#include <stdio.h>
#include <stdarg.h>
#include <process.h>
#include <malloc.h>
#include <memory.h>
#include <errno.h>
#include "seterrno.h"

_WCRTLINK int __F_NAME(spawnlpe,_wspawnlpe)( int mode, const CHAR_TYPE *path, const CHAR_TYPE *arg0, ... )
    {
        va_list ap;
        const CHAR_TYPE **env;
#if defined(__AXP__) || defined(__PPC__)
        va_list   bp;
        const CHAR_TYPE **a;
        const CHAR_TYPE **tmp;
        int       num = 1;
#endif

        arg0 = arg0;
        va_start(ap, path);
#if defined(__AXP__) || defined(__PPC__)
        memcpy(&bp, &ap, sizeof(ap));
#endif

        /*
         * Scan until NULL in parm list
         */
        while (va_arg(ap, CHAR_TYPE*))
        {
#if defined(__AXP__) || defined(__PPC__)
                ++num;
#else
                ;
#endif
        }

        /*
         * Point to environment parameter.
         */
        env = (const CHAR_TYPE **)va_arg(ap, const CHAR_TYPE**);

#if defined(__AXP__) || defined(__PPC__)
        a = (const CHAR_TYPE**) alloca(num * sizeof(CHAR_TYPE*));
        if (!a)
        {
                __set_errno(ENOMEM);
                return -1;
        }

        for(tmp = a; num > 0; --num)
                *tmp++ = (CHAR_TYPE*)va_arg(bp, CHAR_TYPE*);

        return( __F_NAME(spawnvpe,_wspawnvpe)( mode, path, a, env ) );
#else
        va_end( ap );
        va_start( ap, path );
        return( __F_NAME(spawnvpe,_wspawnvpe)( mode, path,
                (const CHAR_TYPE**)ap[0], env ) );
#endif
    }
