dossplit.c

开放源码的编译器open watcom 1.6.0版的源代码

/****************************************************************************
*
*                            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 "trpimp.h"

unsigned ReqSplit_cmd()
{
    char             *cmd;
    char             *start;
    split_cmd_ret       *ret;
    unsigned            len;

    cmd = GetInPtr( sizeof( split_cmd_req ) );
    len = GetTotalSize() - sizeof( split_cmd_req );
    start = cmd;
    ret = GetOutPtr( 0 );
    ret->parm_start = 0;
    for( ;; ) {
        if( len == 0 ) goto done;
        switch( *cmd ) {
        case '/':
        case '=':
        case '(':
        case ';':
        case ',':
            goto done;
        case '\0':
        case ' ':
        case '\t':
            ret->parm_start = 1;
            goto done;
        }
        ++cmd;
        --len;
    }
done:
    ret->parm_start += cmd - start;
    ret->cmd_end = cmd - start;
    return( sizeof( *ret ) );
}