void TarArch::createTmp()
{
if ( compressed )
{
if ( !QFile::exists(tmpfile) )
{
QString strUncompressor = getUnCompressor();
// at least lzop doesn't want to pipe zerosize/nonexistent files
QFile originalFile( m_filename );
if ( strUncompressor != "gunzip" && strUncompressor !="bunzip2" &&
( !originalFile.exists() || originalFile.size() == 0 ) )
{
QFile temp( tmpfile );
temp.open( IO_ReadWrite );
temp.close();
emit createTempDone();
return;
}
// the tmpfile does not yet exist, so we create it.
createTmpInProgress = true;
int f_desc = KDE_open(QFile::encodeName(tmpfile), O_CREAT | O_TRUNC | O_WRONLY, 0666);
if (f_desc != -1)
fd = fdopen( f_desc, "w" );
else
fd = NULL;
KProcess *kp = m_currentProcess = new KProcess;
kp->clearArguments();
kdDebug(1601) << "Uncompressor is " << strUncompressor << endl;
*kp << strUncompressor;
KProcess::Communication flag = KProcess::AllOutput;
if (strUncompressor == "lzop")
{
// setting up a pty for lzop, since it doesn't like stdin to
// be /dev/null ( "no filename allowed when reading from stdin" )
// - but it used to work without this ? ( Feb 13, 2003 )
kp->setUsePty( KProcess::Stdin, false );
flag = KProcess::Stdout;
*kp << "-d";
}
*kp << "-c" << m_filename;
connect(kp, SIGNAL(processExited(KProcess *)),
this, SLOT(createTmpFinished(KProcess *)));
connect(kp, SIGNAL(receivedStdout(KProcess*, char*, int)),
this, SLOT(createTmpProgress( KProcess *, char *, int )));
connect( kp, SIGNAL(receivedStderr(KProcess*, char*, int)),
this, SLOT(slotReceivedOutput(KProcess*, char*, int)));
if (kp->start(KProcess::NotifyOnExit, flag ) == false)
{
KMessageBox::error(0, i18n("Unable to fork a decompressor"));
emit sigOpen( this, false, QString::null, 0 );
}
}
else
{
void TarArch::updateArch()
{
if (compressed)
{
updateInProgress = true;
int f_desc = KDE_open(QFile::encodeName(m_filename), O_CREAT | O_TRUNC | O_WRONLY, 0666);
if (f_desc != -1)
fd = fdopen( f_desc, "w" );
else
fd = NULL;
KProcess *kp = m_currentProcess = new KProcess;
kp->clearArguments();
KProcess::Communication flag = KProcess::AllOutput;
if ( getCompressor() == "lzop" )
{
kp->setUsePty( KProcess::Stdin, false );
flag = KProcess::Stdout;
}
if ( !getCompressor().isNull() )
*kp << getCompressor() << "-c" << tmpfile;
else
*kp << "cat" << tmpfile;
connect(kp, SIGNAL(receivedStdout(KProcess*, char*, int)),
this, SLOT(updateProgress( KProcess *, char *, int )));
connect( kp, SIGNAL(receivedStderr(KProcess*, char*, int)),
(Arch *)this, SLOT(slotReceivedOutput(KProcess*, char*, int)));
connect(kp, SIGNAL(processExited(KProcess *)),
this, SLOT(updateFinished(KProcess *)) );
if ( !fd || kp->start(KProcess::NotifyOnExit, flag) == false)
{
KMessageBox::error(0, i18n("Trouble writing to the archive..."));
emit updateDone();
}
}
}