$this->tmpFileName = $fileName . '.tmp.' . mt_rand( 0, 0x7fffffff );
$this->handle = fopen( $this->tmpFileName, 'wb' );
if ( !$this->handle ) {
- throw new MWException(
+ $this->throwException(
'Unable to open CDB file "' . $this->tmpFileName . '" for write.' );
}
$this->hplist = array();
$this->numentries = 0;
$this->pos = 2048; // leaving space for the pointer array, 256 * 8
if ( fseek( $this->handle, $this->pos ) == -1 ) {
- throw new MWException(
- 'fseek failed in file "' . $this->tmpFileName . '".' );
+ $this->throwException( 'fseek failed in file "' . $this->tmpFileName . '".' );
}
}
unlink( $this->realFileName );
}
if ( !rename( $this->tmpFileName, $this->realFileName ) ) {
- throw new MWException( 'Unable to move the new CDB file into place.' );
+ $this->throwException( 'Unable to move the new CDB file into place.' );
}
unset( $this->handle );
}
protected function write( $buf ) {
$len = fwrite( $this->handle, $buf );
if ( $len !== strlen( $buf ) ) {
- throw new MWException( 'Error writing to CDB file "'.$this->tmpFileName.'".' );
+ $this->throwException( 'Error writing to CDB file "'.$this->tmpFileName.'".' );
}
}
protected function posplus( $len ) {
$newpos = $this->pos + $len;
if ( $newpos > 0x7fffffff ) {
- throw new MWException(
+ $this->throwException(
'A value in the CDB file "'.$this->tmpFileName.'" is too large.' );
}
$this->pos = $newpos;
*/
protected function addbegin( $keylen, $datalen ) {
if ( $keylen > 0x7fffffff ) {
- throw new MWException( 'Key length too long in file "'.$this->tmpFileName.'".' );
+ $this->throwException( 'Key length too long in file "'.$this->tmpFileName.'".' );
}
if ( $datalen > 0x7fffffff ) {
- throw new MWException( 'Data length too long in file "'.$this->tmpFileName.'".' );
+ $this->throwException( 'Data length too long in file "'.$this->tmpFileName.'".' );
}
$buf = pack( 'VV', $keylen, $datalen );
$this->write( $buf );
// Write the pointer array at the start of the file
rewind( $this->handle );
if ( ftell( $this->handle ) != 0 ) {
- throw new MWException( 'Error rewinding to start of file "'.$this->tmpFileName.'".' );
+ $this->throwException( 'Error rewinding to start of file "'.$this->tmpFileName.'".' );
}
$this->write( $final );
}
+
+ /**
+ * Clean up the temp file and throw an exception
+ *
+ * @param $msg string
+ * @throws MWException
+ */
+ protected function throwException( $msg ) {
+ if ( $this->handle ) {
+ fclose( $this->handle );
+ unlink( $this->tmpFileName );
+ }
+ throw new MWException( $msg );
+ }
}