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Diffstat (limited to 'contrib/bzip2/README')
| -rw-r--r-- | contrib/bzip2/README | 100 |
1 files changed, 60 insertions, 40 deletions
diff --git a/contrib/bzip2/README b/contrib/bzip2/README index 1aff448..b18c096 100644 --- a/contrib/bzip2/README +++ b/contrib/bzip2/README @@ -1,33 +1,48 @@ -This is the README for bzip2, a block-sorting file compressor, version -1.0.3. This version is fully compatible with the previous public -releases, versions 0.1pl2, 0.9.0, 0.9.5, 1.0.0, 1.0.1 and 1.0.2. +This is the README for bzip2/libzip2. +This version is fully compatible with the previous public releases. -bzip2-1.0.3 is distributed under a BSD-style license. For details, -see the file LICENSE. +------------------------------------------------------------------ +This file is part of bzip2/libbzip2, a program and library for +lossless, block-sorting data compression. + +bzip2/libbzip2 version 1.0.4 of 20 December 2006 +Copyright (C) 1996-2006 Julian Seward <jseward@bzip.org> + +Please read the WARNING, DISCLAIMER and PATENTS sections in this file. + +This program is released under the terms of the license contained +in the file LICENSE. +------------------------------------------------------------------ Complete documentation is available in Postscript form (manual.ps), PDF (manual.pdf) or html (manual.html). A plain-text version of the -manual page is available as bzip2.txt. A statement about Y2K issues -is now included in the file Y2K_INFO. +manual page is available as bzip2.txt. HOW TO BUILD -- UNIX -Type `make'. This builds the library libbz2.a and then the -programs bzip2 and bzip2recover. Six self-tests are run. -If the self-tests complete ok, carry on to installation: +Type 'make'. This builds the library libbz2.a and then the programs +bzip2 and bzip2recover. Six self-tests are run. If the self-tests +complete ok, carry on to installation: + +To install in /usr/local/bin, /usr/local/lib, /usr/local/man and +/usr/local/include, type -To install in /usr/bin, /usr/lib, /usr/man and /usr/include, type make install -To install somewhere else, eg, /xxx/yyy/{bin,lib,man,include}, type + +To install somewhere else, eg, /xxx/yyy/{bin,lib,man,include}, type + make install PREFIX=/xxx/yyy + If you are (justifiably) paranoid and want to see what 'make install' is going to do, you can first do + make -n install or make -n install PREFIX=/xxx/yyy respectively. -The -n instructs make to show the commands it would execute, but -not actually execute them. + +The -n instructs make to show the commands it would execute, but not +actually execute them. HOW TO BUILD -- UNIX, shared library libbz2.so. @@ -49,23 +64,25 @@ Important note for people upgrading .so's from 0.9.0/0.9.5 to version bzCompress to BZ2_bzCompress, to avoid namespace pollution. Unfortunately this means that the libbz2.so created by Makefile-libbz2_so will not work with any program which used an older -version of the library. Sorry. I do encourage library clients to -make the effort to upgrade to use version 1.0, since it is both faster -and more robust than previous versions. +version of the library. I do encourage library clients to make the +effort to upgrade to use version 1.0, since it is both faster and more +robust than previous versions. HOW TO BUILD -- Windows 95, NT, DOS, Mac, etc. It's difficult for me to support compilation on all these platforms. My approach is to collect binaries for these platforms, and put them -on the master web page (http://sources.redhat.com/bzip2). Look there. -However (FWIW), bzip2-1.0.X is very standard ANSI C and should compile +on the master web site (http://www.bzip.org). Look there. However +(FWIW), bzip2-1.0.X is very standard ANSI C and should compile unmodified with MS Visual C. If you have difficulties building, you might want to read README.COMPILATION.PROBLEMS. At least using MS Visual C++ 6, you can build from the unmodified sources by issuing, in a command shell: + nmake -f makefile.msc + (you may need to first run the MSVC-provided script VCVARS32.BAT so as to set up paths to the MSVC tools correctly). @@ -86,18 +103,19 @@ Please read and be aware of the following: WARNING: - This program (attempts to) compress data by performing several - non-trivial transformations on it. Unless you are 100% familiar - with *all* the algorithms contained herein, and with the - consequences of modifying them, you should NOT meddle with the - compression or decompression machinery. Incorrect changes can and - very likely *will* lead to disastrous loss of data. + This program and library (attempts to) compress data by + performing several non-trivial transformations on it. + Unless you are 100% familiar with *all* the algorithms + contained herein, and with the consequences of modifying them, + you should NOT meddle with the compression or decompression + machinery. Incorrect changes can and very likely *will* + lead to disastrous loss of data. DISCLAIMER: I TAKE NO RESPONSIBILITY FOR ANY LOSS OF DATA ARISING FROM THE - USE OF THIS PROGRAM, HOWSOEVER CAUSED. + USE OF THIS PROGRAM/LIBRARY, HOWSOEVER CAUSED. Every compression of a file implies an assumption that the compressed file can be decompressed to reproduce the original. @@ -110,19 +128,18 @@ DISCLAIMER: PROGRAM UNLESS YOU ARE PREPARED TO ACCEPT THE POSSIBILITY, HOWEVER SMALL, THAT THE DATA WILL NOT BE RECOVERABLE. - That is not to say this program is inherently unreliable. Indeed, - I very much hope the opposite is true. bzip2 has been carefully - constructed and extensively tested. + That is not to say this program is inherently unreliable. + Indeed, I very much hope the opposite is true. bzip2/libbzip2 + has been carefully constructed and extensively tested. PATENTS: - To the best of my knowledge, bzip2 does not use any patented - algorithms. However, I do not have the resources to carry out - a patent search. Therefore I cannot give any guarantee of the - above statement. + To the best of my knowledge, bzip2/libbzip2 does not use any + patented algorithms. However, I do not have the resources + to carry out a patent search. Therefore I cannot give any + guarantee of the above statement. -End of legalities. WHAT'S NEW IN 0.9.0 (as compared to 0.1pl2) ? @@ -156,21 +173,23 @@ WHAT'S NEW IN 1.0.3 ? See the CHANGES file. +WHAT'S NEW IN 1.0.4 ? + + See the CHANGES file. + I hope you find bzip2 useful. Feel free to contact me at jseward@bzip.org if you have any suggestions or queries. Many people mailed me with comments, suggestions and patches after the releases of bzip-0.15, -bzip-0.21, and bzip2 versions 0.1pl2, 0.9.0, 0.9.5, 1.0.0, 1.0.1 and -1.0.2, and the changes in bzip2 are largely a result of this feedback. -I thank you for your comments. +bzip-0.21, and bzip2 versions 0.1pl2, 0.9.0, 0.9.5, 1.0.0, 1.0.1, +1.0.2 and 1.0.3, and the changes in bzip2 are largely a result of this +feedback. I thank you for your comments. -At least for the time being, bzip2's "home" is (or can be reached via) -http://www.bzip.org +bzip2's "home" is http://www.bzip.org/ Julian Seward jseward@bzip.org - Cambridge, UK. 18 July 1996 (version 0.15) @@ -183,3 +202,4 @@ Cambridge, UK. 5 May 2000 (bzip2, version 1.0pre8) 30 December 2001 (bzip2, version 1.0.2pre1) 15 February 2005 (bzip2, version 1.0.3) +20 December 2006 (bzip2, version 1.0.4) |
