function Archive_Tar::_jumpBlock

7.x system.tar.inc Archive_Tar::_jumpBlock($p_len = null)

2 calls to Archive_Tar::_jumpBlock()

Archive_Tar::_extractInString in drupal-7.x/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 drupal-7.x/modules/system/system.tar.inc

File

drupal-7.x/modules/system/system.tar.inc, line 859

Class

Archive_Tar: Creates a (compressed) Tar archive *

Code

function _jumpBlock($p_len = null) 
 {
  if (is_resource($this->_file)) {
    if ($p_len === null) {
      $p_len = 1;
    }

    if ($this->_compress_type == 'gz') {
      @gzseek($this->_file, gztell($this->_file) + ($p_len * 512));
    }
    else if ($this->_compress_type == 'bz2') {
      // ----- Replace missing bztell() and bzseek()
      for ($i = 0; $i < $p_len; $i++) {
        $this->_readBlock();
      };
    }
    else if ($this->_compress_type == 'none') {
      @fseek($this->_file, ftell($this->_file) + ($p_len * 512));
    }
    else {
      $this->_error('Unknown or missing compression type ('
        . $this->_compress_type . ')');
    }

  }
  return true;
}