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Diffstat (limited to 'lib/libz/README')
| -rw-r--r-- | lib/libz/README | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/lib/libz/README b/lib/libz/README index 8ff458799b9..29d67146a9b 100644 --- a/lib/libz/README +++ b/lib/libz/README @@ -1,7 +1,7 @@ -zlib 1.1.3 is a general purpose data compression library. All the code +zlib 1.1.4 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 -ftp://ds.internic.net/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate +http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). These documents are also available in other formats from ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html @@ -14,51 +14,50 @@ except example.c and minigzip.c. To compile all files and run the test program, follow the instructions given at the top of Makefile. In short "make test; make install" -should work for most machines. For Unix: "configure; make test; make install" +should work for most machines. For Unix: "./configure; make test; make install" For MSDOS, use one of the special makefiles such as Makefile.msc. For VMS, use Make_vms.com or descrip.mms. -Questions about zlib should be sent to <zlib@quest.jpl.nasa.gov>, or to +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://www.cdrom.com/pub/infozip/zlib/ -The official zlib ftp site is ftp://ftp.cdrom.com/pub/infozip/zlib/ -Before reporting a problem, please check those sites to verify that +The zlib home page is http://www.zlib.org or http://www.gzip.org/zlib/ +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. -Mark Nelson <markn@tiny.com> wrote an article about zlib for the Jan. 1997 +PLEASE read the zlib FAQ http://www.gzip.org/zlib/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 in -http://web2.airmail.net/markn/articles/zlibtool/zlibtool.htm - -The changes made in version 1.1.3 are documented in the file ChangeLog. -The main changes since 1.1.2 are: - -- fix "an inflate input buffer bug that shows up on rare but persistent - occasions" (Mark) -- fix gzread and gztell for concatenated .gz files (Didier Le Botlan) -- fix gzseek(..., SEEK_SET) in write mode -- fix crc check after a gzeek (Frank Faubert) -- fix miniunzip when the last entry in a zip file is itself a zip file - (J Lillge) -- add contrib/asm586 and contrib/asm686 (Brian Raiter) - See http://www.muppetlabs.com/~breadbox/software/assembly.html -- add support for Delphi 3 in contrib/delphi (Bob Dellaca) -- add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti) -- do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren) -- use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks) -- added a FAQ file - -plus many changes for portability. +http://dogma.net/markn/articles/zlibtool/zlibtool.htm + +The changes made in version 1.1.4 are documented in the file ChangeLog. +The only changes made since 1.1.3 are bug corrections: + +- ZFREE was repeated on same allocation on some error conditions. + This creates a security problem described in + http://www.zlib.org/advisory-2002-03-11.txt +- Returned incorrect error (Z_MEM_ERROR) on some invalid data +- Avoid accesses before window for invalid distances with inflate window + less than 32K. +- force windowBits > 8 to avoid a bug in the encoder for a window size + of 256 bytes. (A complete fix will be available in 1.1.5). + +The beta version 1.1.5beta includes many more changes. A new official +version 1.1.5 will be released as soon as extensive testing has been +completed on it. + Unsupported third party contributions are provided in directory "contrib". -A Java implementation of zlib is available in the Java Development Kit 1.1 +A Java implementation of zlib is available in the Java Development Kit http://www.javasoft.com/products/JDK/1.1/docs/api/Package-java.util.zip.html -See the zlib home page http://www.cdrom.com/pub/infozip/zlib/ for details. +See the zlib home page http://www.zlib.org for details. A Perl interface to zlib written by Paul Marquess <pmarquess@bfsec.bt.co.uk> -is in the CPAN (Comprehensive Perl Archive Network) sites, such as: -ftp://ftp.cis.ufl.edu/pub/perl/CPAN/modules/by-module/Compress/Compress-Zlib* +is in the CPAN (Comprehensive Perl Archive Network) sites +http://www.cpan.org/modules/by-module/Compress/ A Python interface to zlib written by A.M. Kuchling <amk@magnet.com> is available in Python 1.5 and later versions, see @@ -117,7 +116,7 @@ Acknowledgments: Copyright notice: - (C) 1995-1998 Jean-loup Gailly and Mark Adler + (C) 1995-2002 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 |