2lib
Massively Spiffy Yet Delicately Unobtrusive
Compression Library
(Also Free, Not to Mention Unencumbered by
Patents)
(Not Related to the Linux zlibc Compressing File-
IO Library)
Welcome to the zlib home page; web pages
originally created by
Roelofs and maintained
by Mark Adler: If this page seems suspiciously
similar to the PNG Home Page, rest assured that the
similarity is completely coincidental. No, really.
zlib was written by Jean-loup Gailly (compression)
and Mark Adler (decompression):
Current release:
zlib 1.2.11
January 15,2017
Version 1.2.11 has these
improvements over
1.2.10:
Fix deflate stored
when pulling last block
from window
Permit immediate deflateParams changes before
any deflate input
Due t0 the
fixes, any installations of 1.2.9 or
1.2.10 should be immediately replaced with 1.2.11.
Version 1.2.10 has these key improvements over
1.2.9:
Fix bug in deflate_stored() for zero-length input
Fix
in gzwrite € that produced corrupt gzip
files
Version 1.2.9 has these key improvements over
1.2.8:
Improve compress( ) and uncompress( ) to
support
lengths
Allow building zlib outside of the source directory
Fix
when level 0 used with Z_HUFFMAN or
Z
RLE
Fix bugs in creating a very
gzip header
Add uncompress2 ( ) function, which returns the
input size used
Dramatically speed up deflation for level 0
(storing)
Greg
key
bug
bug
bug
large
bug
large