File

drupal-7.x/modules/system/system.tar.inc, line 735

Class

Archive_Tar

Creates a (compressed) Tar archive *

Code

function _openReadWrite() 
 {
  if ($this->_compress_type == 'gz') {
    $this->_file = @gzopen($this->_tarname, "r+b");
  }
  else if ($this->_compress_type == 'bz2') {
    $this->_error('Unable to open bz2 in read/write mode \''
      . $this->_tarname . '\' (limitation of bz2 extension)');
    return false;
  }
  else if ($this->_compress_type == 'none') {
    $this->_file = @fopen($this->_tarname, "r+b");
  }
  else {
    $this->_error('Unknown or missing compression type ('
      . $this->_compress_type . ')');
  }

  if ($this->_file == 0) {
    $this->_error('Unable to open in read/write mode \''
      . $this->_tarname . '\'');
    return false;
  }

  return true;
}