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Author SHA1 Message Date
Mark Adler
e54e129940 Avoid shifts of negative values inflateMark(). 
The C standard says that bit shifts of negative integers is
undefined.  This casts to unsigned values to assure a known
result.
 2015-09-05 17:45:55 -07:00
Mark Adler
27ef026603 Fix typo. 2015-08-15 18:14:50 -07:00
Mark Adler
82e9dc6093 Use const for static tree descriptions in deflate. 
This is in order to permit shared memory for these structures.
 2015-08-15 18:04:50 -07:00
Mark Adler
55d98b4c30 Allow building zlib outside of the source directory. 
To build, simply run configure from the source directory by
specifying its path.  That path will be used to find the source
files.  The source directory will not be touched.  All new and
modified files will be made in the current directory.  Discovered
in the process that not all makes understand % or $<, and not all
compilers understand -include or -I-.  This required a larger
Makefile.in with explicit dependencies.
 2015-08-02 21:35:50 -07:00
Mark Adler
bfcace04f9 Do not initialize unsigned with -1 in compress.c uncompr.c. 
Sun compiler complained.  Use (unsigned)0 - 1 instead.
 2015-08-02 17:22:20 -07:00
Mark Adler
43bfaba3d7 Align deflateParams() and its documentation in zlib.h. 
This updates the documentation to reflect the behavior of
deflateParams() when it is not able to compress all of the input
data provided so far due to insufficient output space.  It also
assures that data provided is compressed before the parameter
changes, even if at the beginning of the stream.
 2015-08-02 00:06:28 -07:00
Mark Adler
b4ce6caf09 Compile the gzopen_w() function when __CYGWIN__ defined. 2015-08-01 17:38:56 -07:00
Mark Adler
2fc6d66797 Define _POSIX_SOURCE to enable POSIX extensions on some systems. 2015-07-28 23:32:35 -07:00
Mark Adler
5701f48cf5 Clarify deflateReset() documentation. 
It previously could have been misinterpreted to mean that parameter
changes after deflateInit2() would be reversed, which is not the
case.
 2015-07-28 23:19:50 -07:00
Mark Adler
c901a34c92 Avoid uninitialized access by gzclose_w(). 2015-07-28 23:13:53 -07:00
Mark Adler
51a223def4 Avoid use of DEBUG macro -- change to ZLIB_DEBUG. 2015-07-28 22:44:31 -07:00
Mark Adler
0b22337126 Avoid use of reallocf() in test/infcover.c. 2015-07-28 21:55:09 -07:00
Mark Adler
0db8fd3714 Fix inflateInit2() bug when windowBits is 16 or 32. 
A windowBits value of 0, 16, or 32 gets the window bits from the
zlib header.  However there is no zlib header for 16, or for 32
when the input is gzip.  This commit sets the window bits for
inflate to 15 if a gzip stream is detected and windowBits was 16
or 32.
 2015-07-28 21:41:20 -07:00
Mark Adler
b56d1c62ee Add comment about not using windowBits of 8 for deflate(). 2015-07-28 21:06:06 -07:00
Mark Adler
e7ebb399d7 Put license in zlib.3 man page. 
Previously there was a confusing reference to a "distribution
directory".
 2015-07-07 20:11:01 -07:00
Mark Adler
95698093f0 Improve speed of gzprintf() in transparent mode. 2015-07-05 18:14:53 -07:00
Mark Adler
8a979f6c79 Avoid left shift of a negative value in flush rank calculation. 
The C standard permits an undefined result for a left shift of a
negative value.
 2015-07-05 13:51:50 -07:00
Mark Adler
9859a94c10 Remedy Coverity warning. [Randers-Pehrson] 2015-01-26 21:42:42 -08:00
Mark Adler
5370d99a2a Add inflateCodesUsed() function for internal use. 2014-12-29 00:18:42 -08:00
Mark Adler
283520baf7 Fix bug in test/example.c where error code not saved. 2014-07-02 16:34:22 -07:00
Mark Adler
9cbda797c1 Note in zlib.h that compress() uses Z_DEFAULT_COMPRESSION. 2014-04-26 08:12:37 -07:00
Mark Adler
7d54c69413 Fix uncompress() to work on lengths more than a maximum unsigned. 2014-04-26 08:08:25 -07:00
Mark Adler
f898bbed89 Fix compress() to work on lengths more than a maximum unsigned. 2014-04-26 08:08:12 -07:00
Mark Adler
72c70060d8 Assure that gzoffset() is correct when appending. 
An open() with O_APPEND followed by an lseek() to determine the
position will return zero for a non-empty file, even though the
next write will start at the end of the file.  This commit works
around that by doing an lseek() to the end when appending.
 2014-04-24 19:45:36 -04:00
Mark Adler
799c87c0d8 Improve contrib/blast to return unused bytes. Fix the test code 
to report the count of unused bytes at the end correctly.  Add the
ability to provide initial input to blast().
 2013-08-24 10:36:32 -07:00
Mark Adler
89e335abb4 Fix contrib/minizip to permit unzipping with desktop API [Zouzou]. 2013-08-03 18:13:23 -07:00
Mark Adler
303d92cfee Spacing cleanup. 2013-05-23 20:11:54 -07:00
Mark Adler
ceeb615f46 Change version number to 1.2.8.1. 2013-05-02 23:12:54 -07:00
Mark Adler
5089329162 zlib 1.2.8 2013-04-28 17:23:49 -07:00
Mark Adler
5b5da45640 Fix mixed line endings in contrib/vstudio. 2013-04-28 17:22:27 -07:00
Mark Adler
2dad5389af Correct spelling error in zlib.h. 2013-04-28 15:57:11 -07:00
Mark Adler
b4d802825a Clean up contrib/vstudio [Roß]. 2013-04-28 15:57:11 -07:00
Mark Adler
f5ec26344f Update some copyright years. 2013-04-28 15:57:11 -07:00
Mark Adler
bddc968b14 Do not force Z_CONST for C++. 
Forcing Z_CONST resulted in an issue when compiling Firefox.  Now
if someone wants to compile zlib as C++ code (which it isn't), now
they will need to #define Z_CONST themselves.
 2013-04-28 15:57:11 -07:00
Mark Adler
5481269e1f Update contrib/minizip/iowin32.c for Windows RT [Vollant]. 2013-04-28 15:57:11 -07:00
Mark Adler
e8fee0ea7b Change version number to 1.2.8. 2013-04-28 15:57:10 -07:00
Mark Adler
b7bc388454 zlib 1.2.7.3 2013-04-13 21:18:35 -07:00
Mark Adler
c714072020 Fix version numbers and DLL names in contrib/vstudio/*/zlib.rc. 2013-04-13 19:33:28 -07:00
Mark Adler
388a285cb8 Change version number to 1.2.7.3. 2013-04-13 18:58:46 -07:00
Mark Adler
139c67fc87 zlib 1.2.7.2 2013-04-13 18:15:42 -07:00
Mark Adler
70252daf89 Add casts in gzwrite.c for pointer differences. 2013-04-13 18:04:06 -07:00
Mark Adler
9b703f2000 Fix typo in win32/Makefile.msc. 2013-04-13 17:54:57 -07:00
Mark Adler
5d33c62c7d Change check for a four-byte type back to hexadecimal. 2013-04-13 15:54:03 -07:00
Mark Adler
8a93f49c86 Change version number to 1.2.7.2. 2013-04-13 08:08:57 -07:00
Mark Adler
0b16609409 zlib 1.2.7.1 2013-03-24 22:47:59 -07:00
Mark Adler
f81b79c559 Line length cleanup. 2013-03-24 22:30:40 -07:00
Mark Adler
c661c374e8 Do not return Z_BUF_ERROR if deflateParam() has nothing to write. 
If the compressed data was already at a block boundary, then
deflateParam() would report Z_BUF_ERROR, because there was nothing
to write.  With this patch, Z_OK is returned in that case.
 2013-03-24 22:15:04 -07:00
Mark Adler
81c3068b9a In Makefile uninstall, don't rm if preceding cd fails. 2013-03-24 16:57:32 -07:00
Mark Adler
d3b613e320 Minor spacing cleanup in a comment in gzguts.h. 2013-03-24 16:56:05 -07:00
Enrico Weigelt, metux IT service
318a5e190e Add man pages for minizip and miniunzip. 2013-03-24 16:28:41 -07:00