libdlldr.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 97 行

/****************************************************************************
*
*                            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:  Librarian DLL version mainline.
*
****************************************************************************/


#include <stdlib.h>
#include <string.h>
#ifdef __WATCOMC__
#include <process.h>
#endif
#ifdef IDE_PGM
#include <stdlib.h>
#include <limits.h>
char *ImageName;
#endif
#include "idedrv.h"

#define DLL_NAME "wlibd.dll"
#define AR_MODE_ENV "WLIB$AR"

static IDEDRV info =
{   DLL_NAME
};

#ifndef __WATCOMC__
const char **_argv;
#endif

int main                        // MAIN-LINE FOR DLL DRIVER
    ( int count                 // - # args
    , char *args[] )            // - arguments
{
    int retcode;                // - return code
#ifndef __UNIX__
    int len;
    char *cmd_line;
#endif

#ifdef IDE_PGM
#ifdef __UNIX__
    static char buffer[PATH_MAX];
    _cmdname( buffer );
    ImageName = buffer;
#else
    ImageName = args[0];
#endif
#endif
#ifndef __WATCOMC__
    _argv = args;
#endif
#ifndef __UNIX__
    count = count;
    args = args;
    len = _bgetcmd( NULL, 0 ) + 1;
    cmd_line = malloc( len );
    _bgetcmd( cmd_line, len );
    /* Turn on 'ar' mode by setting WLIB$AR env var */
    if( stricmp( strrchr( args[0], '\\' ) + 1, "ar.exe" ) == 0 ) {
        putenv( AR_MODE_ENV "=ON" );
    }
    retcode = IdeDrvExecDLL( &info, cmd_line );
    free( cmd_line );
#else
    retcode = IdeDrvExecDLLArgv( &info, count, args );
#endif
    if( retcode != IDEDRV_ERR_INIT_EXEC ) {
        IdeDrvUnloadDLL( &info );               // UNLOAD THE DLL
    }
    return retcode;
}