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zlib 0.94

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Mark Adler
2011-09-09 23:09:18 -07:00
parent 6b834a58bd
commit 23c69f1069
34 changed files with 801 additions and 432 deletions
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README
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@@ -1,4 +1,6 @@
zlib 0.93 is a beta version of a general purpose compression library.
zlib 0.94 is a beta version of a general purpose compression library.
Unless new bugs are found it will be released again as the first official
version (1.0). This version has no known bugs.
The data format used by the zlib library is described in the
files zlib-3.1.doc, deflate-1.1.doc and gzip-4.1.doc, available
@@ -10,31 +12,30 @@ which also tests that the library is working correctly.
To compile all files and run the test program, just type: make test
(For MSDOS, use one of the special makefiles such as Makefile.msc.)
To install the zlib library (libgz.a) in /usr/local/lib, type: make install
To install in a different directory, use for example: make install prefix=$HOME
To install the zlib library (libz.a) in /usr/local/lib, type: make install
To install in a different directory, use for example:
make install prefix=$HOME
This will install in $HOME/lib instead of /usr/local/lib.
The changes made in version 0.93 are documented in the file ChangeLog.
The main changes since 0.9 are:
- temporarily disable inline functions
- make deflate deterministic
- don't use signed char in inflate (not portable enough)
- fix inflate memory leak for segmented architectures
- Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h
- Document the memory requirements in zconf.h
- added "make install"
- added support for DJGPP and Pyramid
- fix an inflate bug for stored blocks.
- various speedups
The changes made in version 0.94 are documented in the file ChangeLog.
The main changes since 0.93 are:
- support MSDOS small and medium model
- fix deflate with flush (could sometimes generate bad output)
- fix deflateReset (zlib header was incorrectly suppressed)
- added support for VMS
- allow a compression level in gzopen()
- gzflush now calls fflush
- For deflate with flush, flush even if no more input is provided.
- rename libgz.a as libz.a
On MSDOS, this version works in both large and small model. However
small model compression works only for small values of MAX_MEM_LEVEL
and MAX_WBITS (see zconf.h). Small model decompression should work up
to MAX_WBITS=15. This version of zlib does not support small or
medium model with far allocation of big objects.
For MSDOS, the small and medium models are supported only for Microsoft C.
(It should be easy to support them for Borland C also, but I don't have
a recent Borland compiler to test with.) The small model currently works
for Turbo/Borland C but only with reduced performance to avoid any far
allocation (tested with -DMAX_WBITS=11 -DDEF_WBITS=11 -DMAX_MEM_LEVEL=3).
Copyright (C) 1995 Jean-loup Gailly and Mark Adler
(C) 1995 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