aria2/src/DefaultDiskWriter.cc

/* <!-- copyright */
/*
 * aria2 - a simple utility for downloading files faster
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/* copyright --> */
#include "DefaultDiskWriter.h"
#include "DlAbortEx.h"
#include <errno.h>

DefaultDiskWriter::DefaultDiskWriter():AbstractDiskWriter(), totalLength(0) {}

DefaultDiskWriter::DefaultDiskWriter(long long int totalLength):AbstractDiskWriter(), totalLength(totalLength) {}

DefaultDiskWriter::~DefaultDiskWriter() {}

void DefaultDiskWriter::initAndOpenFile(string filename) {
  createFile(filename);
  if(totalLength > 0) {
    ftruncate(fd, totalLength);
  }
}