// THIS FILE is almost entirely based upon code by Jean-loup Gailly
// and Mark Adler. It has been modified by Lucian Wischik.
// The modifications were: incorporate the bugfixes of 1.1.4, allow
// unzipping to/from handles/pipes/files/memory, encryption, unicode,
// a windowsish api, and putting everything into a single .cpp file.
// The original code may be found at http://www.gzip.org/zlib/
// The original copyright text follows.
//
//
//
// zlib.h -- interface of the 'zlib' general purpose compression library
//  version 1.1.3, July 9th, 1998
//
//  Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
//
//  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.
//
//  Jean-loup Gailly        Mark Adler
//  jloup@gzip.org          madler@alumni.caltech.edu