X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=zlib%2FREADME;h=0f171029d207be6872180c8f164e3aefb791e2e4;hb=6bbb9299fde27d7158bd815406e0ec7616be4949;hp=29d67146a9bde941f927d4925bdfeb34ae731132;hpb=8c16c8c7be08247db45d9fdc459058f148d1dcb9;p=pf3gnuchains%2Fgcc-fork.git diff --git a/zlib/README b/zlib/README index 29d67146a9b..0f171029d20 100644 --- a/zlib/README +++ b/zlib/README @@ -1,110 +1,89 @@ -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 -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 +This directory contains the zlib package, which is not part of GCC but +shipped with GCC as convenience. + +ZLIB DATA COMPRESSION LIBRARY + +zlib 1.2.3 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://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 All functions of the compression library are documented in the file zlib.h -(volunteer to write man pages welcome, contact jloup@gzip.org). A usage -example of the library is given in the file example.c which also tests that -the library is working correctly. Another example is given in the file -minigzip.c. The compression library itself is composed of all source files -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" -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 , or to -Gilles Vollant for the Windows DLL version. -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. - -PLEASE read the zlib FAQ http://www.gzip.org/zlib/zlib_faq.html -before asking for help. +(volunteer to write man pages welcome, contact zlib@gzip.org). A usage example +of the library is given in the file example.c which also tests that the library +is working correctly. Another example is given in the file minigzip.c. The +compression library itself is composed of all source files 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". For MSDOS, use one +of the special makefiles such as Makefile.msc. For VMS, use make_vms.com. + +Questions about zlib should be sent to , or to Gilles Vollant + for the Windows DLL version. 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. + +PLEASE read the zlib FAQ http://www.gzip.org/zlib/zlib_faq.html before asking +for help. Mark Nelson wrote an article about zlib for the Jan. 1997 issue of Dr. Dobb's Journal; a copy of the article is available in 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. - +The changes made in version 1.2.3 are documented in the file ChangeLog. Unsupported third party contributions are provided in directory "contrib". 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 +http://java.sun.com/j2se/1.4.2/docs/api/java/util/zip/package-summary.html See the zlib home page http://www.zlib.org for details. -A Perl interface to zlib written by Paul Marquess -is in the CPAN (Comprehensive Perl Archive Network) sites +A Perl interface to zlib written by Paul Marquess 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 -is available in Python 1.5 and later versions, see +A Python interface to zlib written by A.M. Kuchling is +available in Python 1.5 and later versions, see http://www.python.org/doc/lib/module-zlib.html -A zlib binding for TCL written by Andreas Kupries -is availlable at http://www.westend.com/~kupries/doc/trf/man/man.html +A zlib binding for TCL written by Andreas Kupries is +availlable at http://www.oche.de/~akupries/soft/trf/trf_zip.html -An experimental package to read and write files in .zip format, -written on top of zlib by Gilles Vollant , is -available at http://www.winimage.com/zLibDll/unzip.html -and also in the contrib/minizip directory of zlib. +An experimental package to read and write files in .zip format, written on top +of zlib by Gilles Vollant , is available in the +contrib/minizip directory of zlib. Notes for some targets: -- To build a Windows DLL version, include in a DLL project zlib.def, zlib.rc - and all .c files except example.c and minigzip.c; compile with -DZLIB_DLL - The zlib DLL support was initially done by Alessandro Iacopetti and is - now maintained by Gilles Vollant . Check the zlib DLL - home page at http://www.winimage.com/zLibDll - - From Visual Basic, you can call the DLL functions which do not take - a structure as argument: compress, uncompress and all gz* functions. - See contrib/visual-basic.txt for more information, or get - http://www.tcfb.com/dowseware/cmp-z-it.zip +- 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. +- 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. +- 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. +- 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. +- 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, BEOS and by some Mac compilers. -- For Turbo C the small model is supported only with reduced performance to - avoid any far allocation; it was tested with -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 +- For PalmOs, see http://palmzlib.sourceforge.net/ -- For PalmOs, see http://www.cs.uit.no/~perm/PASTA/pilot/software.html - Per Harald Myrvang +- When building a shared, i.e. dynamic library on Mac OS X, the library must be + installed before testing (do "make install" before "make test"), since the + library location is specified in the library. Acknowledgments: @@ -116,7 +95,7 @@ Acknowledgments: Copyright notice: - (C) 1995-2002 Jean-loup Gailly and Mark Adler + (C) 1995-2004 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 @@ -144,4 +123,6 @@ entirely written by Jean-loup Gailly and Mark Adler; it does not include third-party code. If you redistribute modified sources, we would appreciate that you include -in the file ChangeLog history information documenting your changes. +in the file ChangeLog history information documenting your changes. Please +read the FAQ for more information on the distribution of modified source +versions.