Be a bit more picky on config files

1 files changed, 3 insertions, 1 deletions

diff --git a/library/config.cpp b/library/config.cpp
index 8b60f60..0bfb476 100644
--- a/library/config.cpp
+++ b/library/config.cpp
@@ -431,148 +431,150 @@ QStringList Config::readListEntry( const QString &key, const QChar &sep )
 }
 
 /*!
   Removes all entries from the current group.
 */
 void Config::clearGroup()
 {
     if ( git == groups.end() ) {
 	qWarning( "no group set" );
 	return;
     }
     if ( !(*git).isEmpty() ) {
 	( *git ).clear();
 	changed = TRUE;
     }
 }
 
 /*!
   \internal
 */
 void Config::write( const QString &fn )
 {
     QString strNewFile;
     if ( !fn.isEmpty() )
 	filename = fn;
     strNewFile = filename + ".new";
 
     QFile f( strNewFile );
     if ( !f.open( IO_WriteOnly|IO_Raw ) ) {
 	qWarning( "could not open for writing `%s'", strNewFile.latin1() );
 	git = groups.end();
 	return;
     }
 
     QString str;
     QCString cstr;
     QMap< QString, ConfigGroup >::Iterator g_it = groups.begin();
 
     for ( ; g_it != groups.end(); ++g_it ) {
  	str += "[" + g_it.key() + "]\n";
  	ConfigGroup::Iterator e_it = ( *g_it ).begin();
  	for ( ; e_it != ( *g_it ).end(); ++e_it )
  	    str += e_it.key() + " = " + *e_it + "\n";
     }
     cstr = str.utf8();
 
     int total_length;
     total_length = f.writeBlock( cstr.data(), cstr.length() );
     if ( total_length != int(cstr.length()) ) {
 	QMessageBox::critical( 0, QObject::tr("Out of Space"),
 			       QObject::tr("There was a problem creating\nConfiguration Information \nfor this program.\n\nPlease free up some space and\ntry again.") );
 	f.close();
 	QFile::remove( strNewFile );
 	return;
     }
 
     f.close();
     // now rename the file...
     if ( rename( strNewFile, filename ) < 0 ) {
 	qWarning( "problem renaming the file %s to %s", strNewFile.latin1(),
 		  filename.latin1() );
 	QFile::remove( strNewFile );
     }
 }
 
 /*!
   Returns whether the Config is in a valid state.
 */
 bool Config::isValid() const
 {
     return groups.end() != git;
 }
 
 /*!
   \internal
 */
 void Config::read()
 {
     changed = FALSE;
 
     if ( !QFileInfo( filename ).exists() ) {
 	git = groups.end();
 	return;
     }
 
     QFile f( filename );
     if ( !f.open( IO_ReadOnly ) ) {
 	git = groups.end();
 	return;
     }
 
 
     // hack to avoid problems if big files are passed to test
     // if they are valid configs ( like passing a mp3 ... )
     // I just hope that there are no conf files > 100000 byte
     // not the best solution, find something else later
-    if ( f.size() > 100000 )  {
+    if ( f.getch()!='[' ||f.size() > 100000 )  {
+        git = groups.end();
         return;
     }
+    f.ungetch('[');
 
 
     QTextStream s( &f );
 #if QT_VERSION <= 230 && defined(QT_NO_CODECS)
     // The below should work, but doesn't in Qt 2.3.0
     s.setCodec( QTextCodec::codecForMib( 106 ) );
 #else
     s.setEncoding( QTextStream::UnicodeUTF8 );
 #endif
 
     QStringList list = QStringList::split('\n', s.read() );
     f.close();
 
     for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it ) {
         if ( !parse( *it ) ) {
             git = groups.end();
             return;
         }
     }
 }
 
 /*!
   \internal
 */
 bool Config::parse( const QString &l )
 {
     QString line = l.stripWhiteSpace();
 
     if ( line [0] == QChar ( '#' ))
     	return true; // ignore comments
 
     if ( line[ 0 ] == QChar( '[' ) ) {
 	QString gname = line;
 	gname = gname.remove( 0, 1 );
 	if ( gname[ (int)gname.length() - 1 ] == QChar( ']' ) )
 	    gname = gname.remove( gname.length() - 1, 1 );
 	git = groups.insert( gname, ConfigGroup() );
     } else if ( !line.isEmpty() ) {
 	if ( git == groups.end() )
 	    return FALSE;
 	int eq = line.find( '=' );
 	if ( eq == -1 )
 	    return FALSE;
 	QString key = line.left(eq).stripWhiteSpace();
 	QString value = line.mid(eq+1).stripWhiteSpace();
 	( *git ).insert( key, value );
     }
     return TRUE;
 }