baggage.cpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C++ 代码 · 共 89 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!
*
****************************************************************************/


/*
BAGGAGE:  Baggage file handling.
*/
#include <stdlib.h>
#include <string.h>
#include "baggage.h"


//  Baggage::Baggage

Baggage::Baggage( HFSDirectory *d_file, char const filename[] )
    : File( filename )
{
    char    drive[_MAX_DRIVE];
    char    dir[_MAX_DIR];
    char    fname[_MAX_FNAME+_MAX_EXT];
    char    ext[_MAX_EXT];
    if( !_badFile ){
    fseek( _fp, 0, SEEK_END );
    _size = ftell( _fp );
    fseek( _fp, 0, SEEK_SET );
    _splitpath( _fullName, drive, dir, fname, ext );
    strcat( fname, ext );
    d_file->addFile( this, fname );
    close();
    } else {
    // run in circles, scream and shout.
    HCWarning( FILE_ERR, filename );
    _size = 0;
    }
}


//  Baggage::dump   --Overrides Dumpable::dump

#define BDUMP_SIZE  1024
int Baggage::dump( OutFile * dest )
{
    if( _badFile ){
    return 1;
    }
    if( !open() ){
    return 1;
    }
    char    *buf = new char[ BDUMP_SIZE ];
    uint_32 left_to_dump = _size;
    int     amount_dumped;
    while( left_to_dump ){
    amount_dumped = fread( buf, 1, BDUMP_SIZE, _fp );
    left_to_dump -= amount_dumped;
    dest->writebuf( buf, 1, amount_dumped );
    }
    delete[] buf;
    close();
    return 1;
}