annotate zlib/README @ 144:8f4e72ab4e11

fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 This directory contains the zlib package, which is not part of GCC but
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 shipped with GCC as convenience.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
3
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 ZLIB DATA COMPRESSION LIBRARY
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
5
111
kono
parents: 51
diff changeset
6 zlib 1.2.11 is a general purpose data compression library. All the code is
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 thread safe. The data format used by the zlib library is described by RFCs
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 (Request for Comments) 1950 to 1952 in the files
111
kono
parents: 51
diff changeset
9 http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
kono
parents: 51
diff changeset
10 rfc1952 (gzip format).
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
11
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 All functions of the compression library are documented in the file zlib.h
111
kono
parents: 51
diff changeset
13 (volunteer to write man pages welcome, contact zlib@gzip.org). A usage example
kono
parents: 51
diff changeset
14 of the library is given in the file test/example.c which also tests that
kono
parents: 51
diff changeset
15 the library is working correctly. Another example is given in the file
kono
parents: 51
diff changeset
16 test/minigzip.c. The compression library itself is composed of all source
kono
parents: 51
diff changeset
17 files in the root directory.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
18
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 To compile all files and run the test program, follow the instructions given at
111
kono
parents: 51
diff changeset
20 the top of Makefile.in. In short "./configure; make test", and if that goes
kono
parents: 51
diff changeset
21 well, "make install" should work for most flavors of Unix. For Windows, use
kono
parents: 51
diff changeset
22 one of the special makefiles in win32/ or contrib/vstudio/ . For VMS, use
kono
parents: 51
diff changeset
23 make_vms.com.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
24
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 Questions about zlib should be sent to <zlib@gzip.org>, or to Gilles Vollant
111
kono
parents: 51
diff changeset
26 <info@winimage.com> for the Windows DLL version. The zlib home page is
kono
parents: 51
diff changeset
27 http://zlib.net/ . Before reporting a problem, please check this site to
kono
parents: 51
diff changeset
28 verify that you have the latest version of zlib; otherwise get the latest
kono
parents: 51
diff changeset
29 version and check whether the problem still exists or not.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
30
111
kono
parents: 51
diff changeset
31 PLEASE read the zlib FAQ http://zlib.net/zlib_faq.html before asking for help.
kono
parents: 51
diff changeset
32
kono
parents: 51
diff changeset
33 Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
kono
parents: 51
diff changeset
34 issue of Dr. Dobb's Journal; a copy of the article is available at
kono
parents: 51
diff changeset
35 http://marknelson.us/1997/01/01/zlib-engine/ .
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
36
111
kono
parents: 51
diff changeset
37 The changes made in version 1.2.11 are documented in the file ChangeLog.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
38
111
kono
parents: 51
diff changeset
39 Unsupported third party contributions are provided in directory contrib/ .
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
40
111
kono
parents: 51
diff changeset
41 zlib is available in Java using the java.util.zip package, documented at
kono
parents: 51
diff changeset
42 http://java.sun.com/developer/technicalArticles/Programming/compression/ .
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
43
111
kono
parents: 51
diff changeset
44 A Perl interface to zlib written by Paul Marquess <pmqs@cpan.org> is available
kono
parents: 51
diff changeset
45 at CPAN (Comprehensive Perl Archive Network) sites, including
kono
parents: 51
diff changeset
46 http://search.cpan.org/~pmqs/IO-Compress-Zlib/ .
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
47
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 available in Python 1.5 and later versions, see
111
kono
parents: 51
diff changeset
50 http://docs.python.org/library/zlib.html .
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
51
111
kono
parents: 51
diff changeset
52 zlib is built into tcl: http://wiki.tcl.tk/4610 .
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
53
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 An experimental package to read and write files in .zip format, written on top
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 of zlib by Gilles Vollant <info@winimage.com>, is available in the
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
56 contrib/minizip directory of zlib.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
57
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
58
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 Notes for some targets:
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
60
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 - For Windows DLL versions, please see win32/DLL_FAQ.txt
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
62
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 - For 64-bit Irix, deflate.c must be compiled without any optimization. With
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 -O, one libpng test fails. The test works in 32 bit mode (with the -n32
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 compiler flag). The compiler bug has been reported to SGI.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
66
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 - zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 when compiled with cc.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
69
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 - On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 necessary to get gzprintf working correctly. This is done by configure.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
72
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 - zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 other compilers. Use "make test" to check your compiler.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
75
111
kono
parents: 51
diff changeset
76 - gzdopen is not supported on RISCOS or BEOS.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
77
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 - For PalmOs, see http://palmzlib.sourceforge.net/
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
79
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
80
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 Acknowledgments:
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
82
111
kono
parents: 51
diff changeset
83 The deflate format used by zlib was defined by Phil Katz. The deflate and
kono
parents: 51
diff changeset
84 zlib specifications were written by L. Peter Deutsch. Thanks to all the
kono
parents: 51
diff changeset
85 people who reported problems and suggested various improvements in zlib; they
kono
parents: 51
diff changeset
86 are too numerous to cite here.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
87
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 Copyright notice:
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
89
111
kono
parents: 51
diff changeset
90 (C) 1995-2017 Jean-loup Gailly and Mark Adler
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
91
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
92 This software is provided 'as-is', without any express or implied
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 warranty. In no event will the authors be held liable for any damages
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 arising from the use of this software.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
95
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 Permission is granted to anyone to use this software for any purpose,
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 including commercial applications, and to alter it and redistribute it
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 freely, subject to the following restrictions:
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
99
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 1. The origin of this software must not be misrepresented; you must not
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 claim that you wrote the original software. If you use this software
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
102 in a product, an acknowledgment in the product documentation would be
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
103 appreciated but is not required.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 2. Altered source versions must be plainly marked as such, and must not be
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 misrepresented as being the original software.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
106 3. This notice may not be removed or altered from any source distribution.
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
107
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 Jean-loup Gailly Mark Adler
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
109 jloup@gzip.org madler@alumni.caltech.edu
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
110
111
kono
parents: 51
diff changeset
111 If you use the zlib library in a product, we would appreciate *not* receiving
kono
parents: 51
diff changeset
112 lengthy legal documents to sign. The sources are provided for free but without
kono
parents: 51
diff changeset
113 warranty of any kind. The library has been entirely written by Jean-loup
kono
parents: 51
diff changeset
114 Gailly and Mark Adler; it does not include third-party code.
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
115
111
kono
parents: 51
diff changeset
116 If you redistribute modified sources, we would appreciate that you include in
kono
parents: 51
diff changeset
117 the file ChangeLog history information documenting your changes. Please read
kono
parents: 51
diff changeset
118 the FAQ for more information on the distribution of modified source versions.