remfinfo.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 103 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:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <string.h>
#include "dbgdefn.h"
#include "dbgio.h"
#include "trpcore.h"
#include "trpfinfo.h"

extern trap_shandle     GetSuppId( char * );

#define SUPP_FILE_INFO_SERVICE( in, request )   \
        in.supp.core_req        = REQ_PERFORM_SUPPLEMENTARY_SERVICE;    \
        in.supp.id              = SuppFileInfoId;       \
        in.req                  = request;

static trap_shandle     SuppFileInfoId;

bool InitFileInfoSupp()
{
    SuppFileInfoId = GetSuppId( FILE_INFO_SUPP_NAME );
    if( SuppFileInfoId == 0 ) return( FALSE );
    return( TRUE );
}

long RemoteGetFileDate( char *name )
{
    mx_entry            in[2];
    mx_entry            out[1];
    file_info_get_date_req      acc;
    file_info_get_date_ret      ret;

    if( SuppFileInfoId == 0 ) return( -1 );
    SUPP_FILE_INFO_SERVICE( acc, REQ_FILE_INFO_GET_DATE );
    in[0].ptr = &acc;
    in[0].len = sizeof( acc );
    in[1].ptr = name;
    in[1].len = strlen( name ) + 1;
    out[0].ptr = &ret;
    out[0].len = sizeof( ret );
    TrapAccess( 2, &in, 1, &out );
    if( ret.err != 0 ) {
        StashErrCode( ret.err, OP_REMOTE );
        return( -1 );
    } else {
        return( ret.date );
    }
}

bool RemoteSetFileDate( char *name, long date )
{
    mx_entry                    in[2];
    mx_entry                    out[1];
    file_info_set_date_req      acc;
    file_info_set_date_ret      ret;

    if( SuppFileInfoId == 0 ) return( FALSE );
    SUPP_FILE_INFO_SERVICE( acc, REQ_FILE_INFO_SET_DATE );
    acc.date = date;
    in[0].ptr = &acc;
    in[0].len = sizeof( acc );
    in[1].ptr = name;
    in[1].len = strlen( name ) + 1;
    out[0].ptr = &ret;
    out[0].len = sizeof( ret );
    TrapAccess( 2, &in, 1, &out );
    if( ret.err != 0 ) {
        StashErrCode( ret.err, OP_REMOTE );
        return( FALSE );
    } else {
        return( TRUE );
    }
}