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Annotation of coherent/b/bin/unzip/COPYING, revision 1.1

1.1     ! root        1: ===============================================================================
        !             2:    The following copyrights are claimed on portions of the UnZip source code.
        !             3:    Further comments are at the bottom.
        !             4: ===============================================================================
        !             5: 
        !             6:   Copyright in unzip.c, originally from unzip version 1.2 (?):
        !             7: 
        !             8:      * Copyright 1989 Samuel H. Smith;  All rights reserved
        !             9:      *
        !            10:      * Do not distribute modified versions without my permission.
        !            11:      * Do not remove or alter this notice or any other copyright notice.
        !            12:      * If you use this in your own program you must distribute source code.
        !            13:      * Do not use any of this in a commercial product.
        !            14: 
        !            15: -------------------------------------------------------------------------------
        !            16: 
        !            17:   Copyright in misc.c, applying to UpdateCRC() and crc_32_tab[]:
        !            18: 
        !            19:      COPYRIGHT (C) 1986 Gary S. Brown.  You may use this program, or code
        !            20:      or tables extracted from it, as desired without restriction.
        !            21: 
        !            22: -------------------------------------------------------------------------------
        !            23: 
        !            24:   Copyright in vms.c, distributed with UnZip versions 4.2 and later:
        !            25: 
        !            26:      * Copyright (C) 1992 Igor Mandrichenko.
        !            27:      * Permission is granted to any individual or institution to use, copy,
        !            28:      * or redistribute this software so long as all of the original files
        !            29:      * are included unmodified, that it is not sold for profit, and that
        !            30:      * this copyright notice is retained.
        !            31: 
        !            32: -------------------------------------------------------------------------------
        !            33: 
        !            34:   Additional copyright information:
        !            35: 
        !            36:      BILF (distributed with the VMS stuff) is copyrighted by Rahul Dhesi,
        !            37:      but it is freely distributable.
        !            38: 
        !            39:      The functions extract_or_test_files() and store_info() in extract.c,
        !            40:      do_string() and return_VMS() in misc.c, VMS version of echo() in
        !            41:      file_io.c, and find_end_central_dir() in unzip.c, were written by
        !            42:      Greg Roelofs and subsequently modified by many others via Info-ZIP.
        !            43:      I do not claim a copyright on these routines, but I do ask that no
        !            44:      one else do so either, :-) and that anyone using them in other pro-
        !            45:      grams note their source.
        !            46: 
        !            47:      The function decrypt_member() in extract.c and the password functions
        !            48:      in file_io.c were written by Mark Adler, as were the inflate.c and
        !            49:      explode.c modules.
        !            50: 
        !            51:      The function mapped_name() in mapname.c was written by David Kirschbaum,
        !            52:      based on the XXU program by Frank Da Cruz.
        !            53: 
        !            54:      The module match.c was written by J. Kercheval and modified by David
        !            55:      Kirschbaum for use in UnZip.
        !            56: 
        !            57:      Original notes from unzip 2.0a by Carl Mascott, [email protected]
        !            58:      (these are only the modifications which seem still to exist):
        !            59:         * 12/14/89  C. Mascott  2.0a   adapt for UNIX
        !            60:         *              don't pre-allocate output file space
        !            61:         *              implement -t, -v, member file specs
        !            62:         *              buffer all input
        !            63:         *              fix "Bad CRC" msg: good/bad CRCs were swapped
        !            64:         *              check for write error on output file
        !            65: 
        !            66:      Most of the remaining routines have contributions from all of us, and
        !            67:      show it. :-)
        !            68: 
        !            69: ===============================================================================
        !            70: 
        !            71:    Info-ZIP comments:
        !            72: 
        !            73:    Info-ZIP has very little interest in legal matters, aside from the usual
        !            74:    "CYA" sense (that's an acronym, and you can figure it out yourself :-) ).
        !            75: 
        !            76:    As far as we are aware--and please note that the numerous contributors 
        !            77:    and copyright holders make this a little uncertain--the UnZip code is now 
        !            78:    "clean" in the sense that an UnZip executable may be distributed with a
        !            79:    commercial product SO LONG AS IT IS CLEAR THAT UNZIP IS NOT BEING SOLD,
        !            80:    THAT THE SOURCE CODE IS FREELY AVAILABLE, AND THAT THERE ARE NO EXTRA OR
        !            81:    HIDDEN CHARGES RESULTING FROM ITS USE BY OR INCLUSION WITH THE COMMERCIAL
        !            82:    PRODUCT.  In particular, the retroactive copyright on unimplode.c which
        !            83:    Carl Mascott requested we include in UnZip 4.2 is no longer in force, since
        !            84:    Mark Adler has rewritten the module in question from scratch (it's about
        !            85:    twice as fast, too! :-) ).
        !            86: 
        !            87:    Regarding the original copyright by Mr. Smith:  Info-ZIP has finally found
        !            88:    him again (he's moved to southern California), and he's apparently happy
        !            89:    with the current code and restrictions.  More specifically, since the 
        !            90:    current incarnation of UnZip can be considered "our own"--it bears very 
        !            91:    little resemblance to his original program, in either content or size :-)
        !            92:    --and since we freely distribute the source code, we believe that we are 
        !            93:    within the bounds of his third stipulation.
        !            94: 
        !            95:    Info-ZIP continues to rewrite portions of the code as time permits, in an
        !            96:    effort to eliminate as many of the restrictions (and bugs) as possible.
        !            97:    The bugs are our primary concern, however, so don't hold your breath. :-)
        !            98: 
        !            99: ===============================================================================

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