trpld.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 65 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
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*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
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*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <stddef.h>
#include "trpimp.h"
#include "tcerr.h"

extern trap_version     TrapVer;
extern unsigned         (TRAPENTRY *ReqFunc)( unsigned, mx_entry *,
                                        unsigned, mx_entry * );

char *LoadTrap( char *trapbuff, char *buff, trap_version *trap_ver )
{
    char        *ptr;

    if( trapbuff == NULL ) trapbuff = "std";
    for( ptr = trapbuff; *ptr != '\0' && *ptr != ';'; ++ptr ) ;
    ptr = (*ptr != '\0') ? ptr + 1 : ptr;
    *trap_ver = TrapInit( ptr, buff, trap_ver->remote );
    if( buff[0] != '\0' ) {
        return( buff );
    }
    if( !TrapVersionOK( *trap_ver ) ) {
        KillTrap();
        return( TC_ERR_WRONG_TRAP_VERSION );
    }
    TrapVer = *trap_ver;
    ReqFunc = TrapRequest;
    return( NULL );
}

void KillTrap()
{
    TrapFini();
}