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-Changes made for inclusion in libsquashfs:
-
- NOTE: THE SOURCE CODE IN THIS DIRECTORY IS NOT THE ORIGINAL ZLIB
- SOURCE CODE!
-
- A number of things were removed for inclusion in libsquashfs, part of the
- squashfs-tools-ng package.
-
- The original package that the source code in this directory is based on
- is the zlib-1.2.12 source tar ball obtained from http://zlib.net/ on
- March 30, 2022.
-
- An attempt has been made at removing the entire build system, samples,
- tests, documentation, 3rd party contributions and various utility functions.
-
- The following sub-directories were removed with all there contents:
- amiga/
- contrib/
- doc/
- examples/
- msdos/
- nintendods/
- old/
- os400/
- qnx/
- test/
- watcom/
- win32/
-
- The following source files were removed in their entirety:
- gzread.c
- gzclose.c
- gzwrite.c
- gzguts.h
- gzlib.c
- gzguts.h
- compress.c
- uncompr.c
- infback.c
-
- The following source files were modified (modifications marked with a
- comment in the source):
- zutil.c
- deflate.c
- inftrees.c
- zconf.h
- zutil.h
- crc32.c
-
- The following additional files were removed in their entirety:
- ChangeLog
- CMakeLists.txt
- configure
- FAQ
- INDEX
- Makefile
- Makefile.in
- make_vms.com
- treebuild.xml
- zconf.h.cmakein
- zconf.h.in
- zlib.3
- zlib.3.pdf
- zlib.map
- zlib.pc.cmakein
- zlib.pc.in
- zlib2ansi
-
- The following additional files were modified:
- README
-
- A copy of the zlib license is included in licenses/zlib.txt in the root
- directory of the squashfs-tools-ng source package.
-
-Rest of the original README follows:
--------------------------------------------------------------------------------
-
-ZLIB DATA COMPRESSION LIBRARY
-
-zlib 1.2.12 is a general purpose data compression library. All the code is
-thread safe. The data format used by the zlib library is described by RFCs
-(Request for Comments) 1950 to 1952 in the files
-http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
-rfc1952 (gzip format).
-
-All functions of the compression library are documented in the file zlib.h
-(volunteer to write man pages welcome, contact zlib@gzip.org). A usage example
-of the library is given in the file test/example.c which also tests that
-the library is working correctly. Another example is given in the file
-test/minigzip.c. The compression library itself is composed of all source
-files in the root directory.
-
-To compile all files and run the test program, follow the instructions given at
-the top of Makefile.in. In short "./configure; make test", and if that goes
-well, "make install" should work for most flavors of Unix. For Windows, use
-one of the special makefiles in win32/ or contrib/vstudio/ . For VMS, use
-make_vms.com.
-
-Questions about zlib should be sent to <zlib@gzip.org>, or to Gilles Vollant
-<info@winimage.com> for the Windows DLL version. The zlib home page is
-http://zlib.net/ . Before reporting a problem, please check this site to
-verify that you have the latest version of zlib; otherwise get the latest
-version and check whether the problem still exists or not.
-
-PLEASE read the zlib FAQ http://zlib.net/zlib_faq.html before asking for help.
-
-Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
-issue of Dr. Dobb's Journal; a copy of the article is available at
-http://marknelson.us/1997/01/01/zlib-engine/ .
-
-The changes made in version 1.2.12 are documented in the file ChangeLog.
-
-Unsupported third party contributions are provided in directory contrib/ .
-
-zlib is available in Java using the java.util.zip package, documented at
-http://java.sun.com/developer/technicalArticles/Programming/compression/ .
-
-A Perl interface to zlib written by Paul Marquess <pmqs@cpan.org> is available
-at CPAN (Comprehensive Perl Archive Network) sites, including
-http://search.cpan.org/~pmqs/IO-Compress-Zlib/ .
-
-A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is
-available in Python 1.5 and later versions, see
-http://docs.python.org/library/zlib.html .
-
-zlib is built into tcl: http://wiki.tcl.tk/4610 .
-
-An experimental package to read and write files in .zip format, written on top
-of zlib by Gilles Vollant <info@winimage.com>, is available in the
-contrib/minizip directory of zlib.
-
-
-Notes for some targets:
-
-- For Windows DLL versions, please see win32/DLL_FAQ.txt
-
-- For 64-bit Irix, deflate.c must be compiled without any optimization. With
- -O, one libpng test fails. The test works in 32 bit mode (with the -n32
- compiler flag). The compiler bug has been reported to SGI.
-
-- zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works
- when compiled with cc.
-
-- On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is
- necessary to get gzprintf working correctly. This is done by configure.
-
-- zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with
- other compilers. Use "make test" to check your compiler.
-
-- gzdopen is not supported on RISCOS or BEOS.
-
-- For PalmOs, see http://palmzlib.sourceforge.net/
-
-
-Acknowledgments:
-
- The deflate format used by zlib was defined by Phil Katz. The deflate and
- zlib specifications were written by L. Peter Deutsch. Thanks to all the
- people who reported problems and suggested various improvements in zlib; they
- are too numerous to cite here.
-
-Copyright notice:
-
- (C) 1995-2022 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
-
-If you use the zlib library in a product, we would appreciate *not* receiving
-lengthy legal documents to sign. The sources are provided for free but without
-warranty of any kind. The library has been entirely written by Jean-loup
-Gailly and Mark Adler; it does not include third-party code. We make all
-contributions to and distributions of this project solely in our personal
-capacity, and are not conveying any rights to any intellectual property of
-any third parties.
-
-If you redistribute modified sources, we would appreciate that you include in
-the file ChangeLog history information documenting your changes. Please read
-the FAQ for more information on the distribution of modified source versions.