'use strict';

var gzheader;
var hasRequiredGzheader;

function requireGzheader () {
	if (hasRequiredGzheader) return gzheader;
	hasRequiredGzheader = 1;

	// (C) 1995-2013 Jean-loup Gailly and Mark Adler
	// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
	//
	// This software is provided 'as-is', without any express or implied
	// warranty. In no event will the authors be held liable for any damages
	// arising from the use of this software.
	//
	// Permission is granted to anyone to use this software for any purpose,
	// including commercial applications, and to alter it and redistribute it
	// freely, subject to the following restrictions:
	//
	// 1. The origin of this software must not be misrepresented; you must not
	//   claim that you wrote the original software. If you use this software
	//   in a product, an acknowledgment in the product documentation would be
	//   appreciated but is not required.
	// 2. Altered source versions must be plainly marked as such, and must not be
	//   misrepresented as being the original software.
	// 3. This notice may not be removed or altered from any source distribution.

	function GZheader() {
	  /* true if compressed data believed to be text */
	  this.text       = 0;
	  /* modification time */
	  this.time       = 0;
	  /* extra flags (not used when writing a gzip file) */
	  this.xflags     = 0;
	  /* operating system */
	  this.os         = 0;
	  /* pointer to extra field or Z_NULL if none */
	  this.extra      = null;
	  /* extra field length (valid if extra != Z_NULL) */
	  this.extra_len  = 0; // Actually, we don't need it in JS,
	                       // but leave for few code modifications

	  //
	  // Setup limits is not necessary because in js we should not preallocate memory
	  // for inflate use constant limit in 65536 bytes
	  //

	  /* space at extra (only when reading header) */
	  // this.extra_max  = 0;
	  /* pointer to zero-terminated file name or Z_NULL */
	  this.name       = '';
	  /* space at name (only when reading header) */
	  // this.name_max   = 0;
	  /* pointer to zero-terminated comment or Z_NULL */
	  this.comment    = '';
	  /* space at comment (only when reading header) */
	  // this.comm_max   = 0;
	  /* true if there was or will be a header crc */
	  this.hcrc       = 0;
	  /* true when done reading gzip header (not used when writing a gzip file) */
	  this.done       = false;
	}

	gzheader = GZheader;
	return gzheader;
}

exports.__require = requireGzheader;
