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/*
Audio File Library
Copyright (C) 2010, Michael Pruett <michael@68k.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307 USA.
*/
#include "config.h"
#include "FileModule.h"
#include "File.h"
#include "Track.h"
FileModule::FileModule(Mode mode, Track *track, File *fh, bool canSeek) :
m_mode(mode),
m_track(track),
m_fh(fh),
m_canSeek(canSeek)
{
track->fpos_next_frame = track->fpos_first_frame;
track->frames2ignore = 0;
}
ssize_t FileModule::read(void *data, size_t nbytes)
{
ssize_t bytesRead = m_fh->read(data, nbytes);
if (bytesRead > 0)
{
m_track->fpos_next_frame += bytesRead;
}
else if (bytesRead < 0)
{
m_track->filemodhappy = false;
}
return bytesRead;
}
ssize_t FileModule::write(const void *data, size_t nbytes)
{
ssize_t bytesWritten = m_fh->write(data, nbytes);
if (bytesWritten > 0)
{
m_track->fpos_next_frame += bytesWritten;
m_track->data_size += bytesWritten;
}
else if (bytesWritten < 0)
{
m_track->filemodhappy = false;
}
return bytesWritten;
}
off_t FileModule::tell()
{
return m_fh->tell();
}
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