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zlib 1.2.0.2
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‎ChangeLog‎

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ChangeLog file for zlib
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Changes in 1.2.0.2 (13 July 2003)
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- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
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- Attempt to avoid warnings in crc32.c for pointer-int conversion
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- Add AIX to configure, remove aix directory [Bakker]
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- Add some casts to minigzip.c
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- Improve checking after insecure sprintf() or vsprintf() calls
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- Remove #elif's from crc32.c
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- Change leave label to inf_leave in inflate.c and infback.c to avoid
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library conflicts
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- Remove inflate gzip decoding by default--only enable gzip decoding by
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special request for stricter backward compatibility
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- Add zlibCompileFlags() function to return compilation information
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- More typecasting in deflate.c to avoid warnings
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- Remove leading underscore from _Capital #defines [Truta]
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- Fix configure to link shared library when testing
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- Add some Windows CE target adjustments [Mai]
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- Remove #define ZLIB_DLL in zconf.h [Vollant]
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- Add zlib.3 [Rodgers]
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- Update RFC URL in deflate.c and algorithm.txt [Mai]
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- Add zlib_dll_FAQ.txt to contrib [Truta]
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- Add UL to some constants [Truta]
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- Update minizip and vstudio [Vollant]
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- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
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- Expand use of NO_DUMMY_DECL to avoid all dummy structures
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- Added iostream3 to contrib [Schwardt]
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- Replace rewind() with fseek() for WinCE [Truta]
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- Improve setting of zlib format compression level flags
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- Report 0 for huffman and rle strategies and for level == 0 or 1
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- Report 2 only for level == 6
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- Only deal with 64K limit when necessary at compile time [Truta]
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- Allow TOO_FAR check to be turned off at compile time [Truta]
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- Added gzclearerr() function [Souza]
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- Added gzungetc() function
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Changes in 1.2.0.1 (17 March 2003)
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- Add Z_RLE strategy for run-length encoding [Truta]
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- When Z_RLE requested, restrict matches to distance one
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- Include additional header file on VMS for off_t typedef
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- Try to use _vsnprintf where it supplants vsprintf [Vollant]
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- Add some casts in inffast.c
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- Enchance comments in zlib.h on what happens if the gzprintf() tries to
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- Enchance comments in zlib.h on what happens if gzprintf() tries to
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write more than 4095 bytes before compression
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- Remove unused state from inflateBackEnd()
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- Remove exit(0) from minigzip.c, example.c

‎FAQ‎

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hand, if zlib is compiled to use snprintf() or vsnprintf(), which should
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normally be the case, then there is no vulnerability. The ./configure
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script will display warnings if an insecure variation of sprintf() will
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be used by gzprintf().
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be used by gzprintf(). Also the zlibCompileFlags() functions will return
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information on what variant of sprintf() is used by gzprintf().
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If you don't have snprintf() or vsnprintf() and would like one, you can
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find a portable implementation here:

‎Makefile‎

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LDSHARED=$(CC)
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CPP=$(CC) -E
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VER=1.2.0.1
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VER=1.2.0.2
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LIBS=libz.a
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SHAREDLIB=libz.so
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‎Makefile.in‎

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LDSHARED=$(CC)
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CPP=$(CC) -E
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VER=1.2.0.1
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VER=1.2.0.2
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LIBS=libz.a
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SHAREDLIB=libz.so
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‎README‎

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ZLIB DATA COMPRESSION LIBRARY
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zlib 1.2.0.1 is a general purpose data compression library. All the code is
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zlib 1.2.0.2 is a general purpose data compression library. All the code is
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thread safe. The data format used by the zlib library is described by RFCs
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(Request for Comments) 1950 to 1952 in the files
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http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format)
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issue of Dr. Dobb's Journal; a copy of the article is available in
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http://dogma.net/markn/articles/zlibtool/zlibtool.htm
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The changes made in version 1.2.0.1 are documented in the file ChangeLog.
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The changes made in version 1.2.0.2 are documented in the file ChangeLog.
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Unsupported third party contributions are provided in directory "contrib".
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‎adler32.c‎

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/* @(#) $Id$ */
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#define ZLIB_INTERNAL
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#include "zlib.h"
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#define BASE 65521L /* largest prime smaller than 65536 */

‎aix/README‎

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‎aix/configure.diff‎

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‎aix/mkexps‎

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‎algorithm.txt‎

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pp. 337-343.
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``DEFLATE Compressed Data Format Specification'' available in
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ftp://ds.internic.net/rfc/rfc1951.txt
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http://www.ietf.org/rfc/rfc1951.txt

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