/****************************************************************************
*
*                            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 <stdlib.h>
#include <stdarg.h>
#include <process.h>
#include <malloc.h>
#include <memory.h>
#include <errno.h>
#include "seterrno.h"
#include "rtdata.h"
#include "wenviron.h"

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

        arg0 = arg0;
        va_start(ap, path);

#if defined(__AXP__) || defined(__PPC__)
        memcpy(&bp, &ap, sizeof(ap));

        for(num = 1; va_arg(ap, CHAR_TYPE*); ++num)
                ;

        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*);

        #ifdef __WIDECHAR__
            if( _RWD_wenviron == NULL )  __create_wide_environment();
            return( _wspawnve( mode,
                               path,
                               a,
                               (wchar_t const * const *)_RWD_wenviron ) );
        #else
            return( spawnve( mode,
                             path,
                             a,
                             (char const * const *)_RWD_environ ) );
        #endif
#else
        #ifdef __WIDECHAR__
            if( _RWD_wenviron == NULL )  __create_wide_environment();
            return( _wspawnve( mode,
                               path,
                               (wchar_t const * const *)ap[0],
                               (wchar_t const * const *)_RWD_wenviron ) );
        #else
            return( spawnve( mode,
                             path,
                             (char const * const *)ap[0],
                             (char const * const *)_RWD_environ ) );
        #endif
#endif
    }
