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1 ZLIB DATA COMPRESSION LIBRARY
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2
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3 zlib 1.2.11 is a general purpose data compression library. All the code is
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4 thread safe. The data format used by the zlib library is described by RFCs
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5 (Request for Comments) 1950 to 1952 in the files
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6 http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format)
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7 and rfc1952.txt (gzip format).
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8
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9 All functions of the compression library are documented in the file zlib.h
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10 (volunteer to write man pages welcome, contact zlib@gzip.org). Two compiled
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11 examples are distributed in this package, example and minigzip. The example_d
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12 and minigzip_d flavors validate that the zlib1.dll file is working correctly.
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13
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14 Questions about zlib should be sent to <zlib@gzip.org>. The zlib home page
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15 is http://zlib.net/ . Before reporting a problem, please check this site to
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16 verify that you have the latest version of zlib; otherwise get the latest
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17 version and check whether the problem still exists or not.
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18
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19 PLEASE read DLL_FAQ.txt, and the the zlib FAQ http://zlib.net/zlib_faq.html
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20 before asking for help.
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21
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22
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23 Manifest:
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24
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25 The package zlib-1.2.11-win32-x86.zip will contain the following files:
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26
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27 README-WIN32.txt This document
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28 ChangeLog Changes since previous zlib packages
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29 DLL_FAQ.txt Frequently asked questions about zlib1.dll
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30 zlib.3.pdf Documentation of this library in Adobe Acrobat format
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31
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32 example.exe A statically-bound example (using zlib.lib, not the dll)
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33 example.pdb Symbolic information for debugging example.exe
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34
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35 example_d.exe A zlib1.dll bound example (using zdll.lib)
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36 example_d.pdb Symbolic information for debugging example_d.exe
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37
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38 minigzip.exe A statically-bound test program (using zlib.lib, not the dll)
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39 minigzip.pdb Symbolic information for debugging minigzip.exe
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40
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41 minigzip_d.exe A zlib1.dll bound test program (using zdll.lib)
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42 minigzip_d.pdb Symbolic information for debugging minigzip_d.exe
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43
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44 zlib.h Install these files into the compilers' INCLUDE path to
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45 zconf.h compile programs which use zlib.lib or zdll.lib
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46
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47 zdll.lib Install these files into the compilers' LIB path if linking
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48 zdll.exp a compiled program to the zlib1.dll binary
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49
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50 zlib.lib Install these files into the compilers' LIB path to link zlib
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51 zlib.pdb into compiled programs, without zlib1.dll runtime dependency
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52 (zlib.pdb provides debugging info to the compile time linker)
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53
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54 zlib1.dll Install this binary shared library into the system PATH, or
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55 the program's runtime directory (where the .exe resides)
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56 zlib1.pdb Install in the same directory as zlib1.dll, in order to debug
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57 an application crash using WinDbg or similar tools.
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58
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59 All .pdb files above are entirely optional, but are very useful to a developer
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60 attempting to diagnose program misbehavior or a crash. Many additional
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61 important files for developers can be found in the zlib127.zip source package
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62 available from http://zlib.net/ - review that package's README file for details.
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63
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64
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65 Acknowledgments:
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66
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67 The deflate format used by zlib was defined by Phil Katz. The deflate and
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68 zlib specifications were written by L. Peter Deutsch. Thanks to all the
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69 people who reported problems and suggested various improvements in zlib; they
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70 are too numerous to cite here.
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71
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72
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73 Copyright notice:
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74
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75 (C) 1995-2017 Jean-loup Gailly and Mark Adler
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76
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77 This software is provided 'as-is', without any express or implied
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78 warranty. In no event will the authors be held liable for any damages
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79 arising from the use of this software.
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80
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81 Permission is granted to anyone to use this software for any purpose,
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82 including commercial applications, and to alter it and redistribute it
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83 freely, subject to the following restrictions:
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84
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85 1. The origin of this software must not be misrepresented; you must not
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86 claim that you wrote the original software. If you use this software
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87 in a product, an acknowledgment in the product documentation would be
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88 appreciated but is not required.
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89 2. Altered source versions must be plainly marked as such, and must not be
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90 misrepresented as being the original software.
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91 3. This notice may not be removed or altered from any source distribution.
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92
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93 Jean-loup Gailly Mark Adler
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94 jloup@gzip.org madler@alumni.caltech.edu
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95
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96 If you use the zlib library in a product, we would appreciate *not* receiving
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97 lengthy legal documents to sign. The sources are provided for free but without
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98 warranty of any kind. The library has been entirely written by Jean-loup
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99 Gailly and Mark Adler; it does not include third-party code.
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100
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101 If you redistribute modified sources, we would appreciate that you include in
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102 the file ChangeLog history information documenting your changes. Please read
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103 the FAQ for more information on the distribution of modified source versions.
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