Initialize state for writing a gzip file. Mark initialization by setting state->size to non-zero. Return -1 on failure or 0 on success. */

* path_basedir: * @path : path * * Extracts base directory by mutating path. * Keeps trailing '/'. **/

NOTE: address validation uses the read_memory callback to make sure the client * will return data for the requested address. As such, this func

Closes RZIP file. If file is open for writing, * flushes any remaining buffered data to disk. * Returns -1 in the event of a error. */

Writes 'len' bytes to an RZIP file. * Returns actual number of bytes written, or -1 * in the event of an error */