license

给出了 zip 压缩算法的完整实现过程。

This is version 2005-Feb-10 of the Info-ZIP license.
The definitive version of this document should be available at
ftp://ftp.info-zip.org/pub/infozip/license.html indefinitely.


Copyright (c) 1990-2006 Info-ZIP.  All rights reserved.

For the purposes of this copyright and license, "Info-ZIP" is defined as
the following set of individuals:

   Mark Adler, John Bush, Karl Davis, Harald Denker, Jean-Michel Dubois,
   Jean-loup Gailly, Hunter Goatley, Ed Gordon, Ian Gorman, Chris Herborth,
   Dirk Haase, Greg Hartwig, Robert Heath, Jonathan Hudson, Paul Kienitz,
   David Kirschbaum, Johnny Lee, Onno van der Linden, Igor Mandrichenko,
   Steve P. Miller, Sergio Monesi, Keith Owens, George Petrov, Greg Roelofs,
   Kai Uwe Rommel, Steve Salisbury, Dave Smith, Steven M. Schweda,
   Christian Spieler, Cosmin Truta, Antoine Verheijen, Paul von Behren,
   Rich Wales, Mike White

This software is provided "as is," without warranty of any kind, express
or implied.  In no event shall Info-ZIP or its contributors be held liable
for any direct, indirect, incidental, special or consequential damages
arising out of the use of or inability to use 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. Redistributions of source code must retain the above copyright notice,
       definition, disclaimer, and this list of conditions.

    2. Redistributions in binary form (compiled executables) must reproduce
       the above copyright notice, definition, disclaimer, and this list of
       conditions in documentation and/or other materials provided with the
       distribution.  The sole exception to this condition is redistribution
       of a standard UnZipSFX binary (including SFXWiz) as part of a
       self-extracting archive; that is permitted without inclusion of this
       license, as long as the normal SFX banner has not been removed from
       the binary or disabled.

    3. Altered versions--including, but not limited to, ports to new operating
       systems, existing ports with new graphical interfaces, and dynamic,
       shared, or static library versions--must be plainly marked as such
       and must not be misrepresented as being the original source.  Such
       altered versions also must not be misrepresented as being Info-ZIP
       releases--including, but not limited to, labeling of the altered
       versions with the names "Info-ZIP" (or any variation thereof, including,
       but not limited to, different capitalizations), "Pocket UnZip," "WiZ"
       or "MacZip" without the explicit permission of Info-ZIP.  Such altered
       versions are further prohibited from misrepresentative use of the
       Zip-Bugs or Info-ZIP e-mail addresses or of the Info-ZIP URL(s).

    4. Info-ZIP retains the right to use the names "Info-ZIP," "Zip," "UnZip,"
       "UnZipSFX," "WiZ," "Pocket UnZip," "Pocket Zip," and "MacZip" for its
       own source and binary releases.