public function Archive_Tar::_readBlock in Drupal 7

Return value

null|string

4 calls to Archive_Tar::_readBlock()

Archive_Tar::_extractInString in modules/system/system.tar.inc

This method extract from the archive one file identified by $p_filename. The return value is a string with the file content, or null on error.

Archive_Tar::_extractList in modules/system/system.tar.inc

Archive_Tar::_jumpBlock in modules/system/system.tar.inc

Archive_Tar::_readLongHeader in modules/system/system.tar.inc

File

modules/system/system.tar.inc, line 1106

Class

Archive_Tar

Code

public function _readBlock() {
  $v_block = null;
  if (is_resource($this->_file)) {
    if ($this->_compress_type == 'gz') {
      $v_block = @gzread($this->_file, 512);
    }
    else {
      if ($this->_compress_type == 'bz2') {
        $v_block = @bzread($this->_file, 512);
      }
      else {
        if ($this->_compress_type == 'lzma2') {
          $v_block = @xzread($this->_file, 512);
        }
        else {
          if ($this->_compress_type == 'none') {
            $v_block = @fread($this->_file, 512);
          }
          else {
            $this
              ->_error('Unknown or missing compression type (' . $this->_compress_type . ')');
          }
        }
      }
    }
  }
  return $v_block;
}