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696 Commits

Author SHA1 Message Date
Mark Adler 7e6dc429af Add a NOPRIME #define to zran.c to not use inflatePrime(). 
This supports zlib versions earlier than 1.2.3 (July 2005), as
well as incomplete clones of zlib that do not have inflatePrime().
 2023-04-13 15:41:32 -07:00
Mark Adler eb0e038b29 Rewrite of zran in examples. See version history in zran.c. 2023-02-18 20:53:39 -08:00
Mark Adler 12b345c430 Assure that inflatePrime() can't shift a 32-bit integer by 32 bits. 
The inflate() functions never leave state->bits greater than 24, so
an inflatePrime() call could not cause this. The only way this
could have happened would be by using inflatePrime() to fill the
bit buffer with 32 bits, and then calling inflatePrime() a *second*
time asking to insert zero bits, for some reason. This commit
assures that a shift by 32 bits does not occur even in that case.
 2023-02-17 00:06:32 -08:00
Mark Adler fa8cd50ada Make z_size_t 64 bits when compiling on Windows with Z_SOLO. 
Z_SOLO defines z_size_t as an unsigned long. However Windows and
MinGW-w64 are LLP64, where a long is 32 bits, but a size_t is 64
bits. This makes z_size_t, used by adler32_z() and crc32_z(), 64
bits on those systems.
 2023-01-25 21:00:52 -08:00
Mark Adler a9b4c1de37 Update zlib_how.html to match the web page, and add a license. 2023-01-24 20:43:19 -08:00
Mark Adler 02a6049eb3 Fix crash when gzsetparams() attempted for transparent write. 
gzsetparams() now returns a Z_STREAM_ERROR in this case.
 2022-12-26 23:38:00 -08:00
Mark Adler e554695638 Fix bug in deflateBound() for level 0 and memLevel 9. 
memLevel 9 would cause deflateBound() to assume the use of fixed
blocks, even if the compression level was 0, which forces stored
blocks. That could result in a bound less than the size of the
compressed data. Now level 0 always uses the stored blocks bound.
 2022-12-15 09:15:31 -08:00
Mark Adler 76820e4107 Update broken article link in README. 
Signed-off-by: Marcus Müller <mueller_sourcecodinglib@baseband.digital>
 2022-11-08 11:55:40 -08:00
Mark Adler 41fda48fc2 Change version number on develop branch to 1.2.13.1. 2022-10-15 09:02:21 -07:00
Mark Adler 04f42ceca4 zlib 1.2.13 2022-10-12 22:06:55 -07:00
Nathan Moinvaziri aefaf43b28 CI: Add instance for GCC on Windows. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri d4fb7dd805 CI: Add instances for S390X using QEMU in configure workflow. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri 2a9cb5ae6e CI: Add instance for Clang on macOS in configure workflow. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri f5ceeb964d CI: Add instances for PPC using QEMU in configure workflow. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri da6f1623c1 CI: Run test applications against QEMU. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri b85c172e1d CI: Add instances for ARM using QEMU in configure workflow. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri 76f3536af8 CI: Add instance for GCC -O3 on Ubuntu in cmake workflow. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri e029de6080 CI: Run infcover during test runs. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri 594e8e8f62 CI: Upload build errors on failure. 2022-10-11 20:21:50 -07:00
Nathan Moinvaziri 462986f38e CI: Make in-source builds default so we can upload failure logs. 2022-10-11 20:21:48 -07:00
Mark Adler 723abd54d8 Minor formatting changes in configure. 
No code changes.
 2022-10-10 11:11:12 -07:00
Mark Adler 0091cb0281 Fix linking on AIX with gcc. 2022-10-10 11:00:49 -07:00
Mark Adler 29fd715fd0 Turn off RWX segment warnings on sparc systems. 2022-10-10 10:30:22 -07:00
Mark Adler 40c5a9bc06 Find other BSD's without *64 functions in contrib/minizip/ioapi.h. 2022-10-10 02:39:33 -07:00
Mark Adler 2bb4961990 Avoid C89 warning in contrib/minizip/crypt.h. 2022-10-10 01:01:38 -07:00
Mark Adler e61ff990c0 Comment out unused code in contrib/minizip/minizip.c. 2022-10-09 21:26:39 -07:00
Mark Adler d30b763dac Remove vestigial line from configure. 2022-10-09 19:44:32 -07:00
Mark Adler 19f8551627 Don't try to include unistd.h on Windows with LLVM. 2022-10-09 17:32:50 -07:00
Mark Adler 013c0ca0f4 Search for system name in CHOST instead of trying to extract it. 2022-10-09 16:55:49 -07:00
Mark Adler 8cca42c33f Remove bypass of MinGW gcc case in configure. 2022-10-09 15:40:35 -07:00
Mark Adler 67eb09a20b Add continuous integration workflows. [nmoinvaz] 
These workflows will be run to verify that project generation,
source file compilation, and test cases run successfully.
 2022-10-06 21:59:53 -07:00
Mark Adler 352cb28d12 Add a separate LICENSE file to the distribution. 2022-10-06 20:43:19 -07:00
Mark Adler 4572dfbe99 Remove some harmless semicolons in minizip. 2022-10-06 20:43:19 -07:00
Mark Adler 888b3da8de Provide missing function prototypes in CRC-32 code. [fredgan] 2022-10-06 20:43:18 -07:00
Mark Adler a9e14e8541 Avoid undefined negation behavior if windowBits is INT_MIN. 2022-10-06 20:43:18 -07:00
Mark Adler 138c93cffb Security and warning fixes for minizip. [gvollant] 
Remove unused code and unnecessary test for free().
 2022-10-06 20:43:18 -07:00
Mark Adler 9b291c9f01 Fix incorrect cast in minizip's ioapi.c. 2022-10-06 20:43:18 -07:00
Mark Adler 2d283adfee Fix c89 compatibility in minizip's ioapi.c. [gvollant] 2022-10-06 20:43:18 -07:00
Mark Adler 9331fecc10 Remove redundant check in gz_look(). 2022-10-06 20:43:18 -07:00
Mark Adler d0704a8201 Remove deleted assembler code references. 
The code was removed, but the builds that used the code were not
updated. This fixes that. Thanks to Adenilson and toxieainc for
the patches.
 2022-10-06 20:43:09 -07:00
Mark Adler 095da07753 Remove -pedantic from configure -w compile options. 2022-10-06 01:03:18 -07:00
Mark Adler cc8d08c21e Update copyright year in win32/zlib1.rc. 2022-10-05 19:46:40 -07:00
Mark Adler d39a2558bc Add missing symbols to os400/bndsrc. 2022-10-05 15:17:52 -07:00
Mark Adler 84c6716a48 Minor formatting improvements. 
No code changes.
 2022-10-05 15:17:52 -07:00
Mark Adler 3e4aa45834 Add new crc32 functions to z_ prefix defines. 2022-10-05 15:17:52 -07:00
Mark Adler 456775aec8 Add WIN32_LEAN_AND_MEAN for windows.h include. 2022-10-05 15:17:52 -07:00
Mark Adler 4078713e3b Tighten deflateBound bounds. 
This improves the non-default expansion from 14% down to 4% in
most cases, and 13% in the remainder.
 2022-10-05 15:16:42 -07:00
Mark Adler 7fabcb5357 Fix bug in block type selection when Z_FIXED used. 
A fixed block could be chosen when a stored block was smaller. Now
the smaller of the two is always chosen.
 2022-10-03 11:42:18 -07:00
Mark Adler 2d6d59e472 Avoid conversion warning in minigzip.c. 2022-10-01 16:52:35 -07:00
Mark Adler 59b948acee Fix typo in contrib readme. 2022-08-28 13:13:17 -07:00