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Merged
merged 2 commits into from
May 22, 2024
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3rdparty: update libpng 1.6.43 #25580

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b96b07f
3rdparty: update libpng 1.6.43
sturkmen72 May 12, 2024
a98c60f
Fixed PNG diagnostics.
asmorkalov May 22, 2024
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117 changes: 105 additions & 12 deletions 3rdparty/libpng/CHANGES
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ Version 0.97 [January, 1998]
Added simple sRGB support (Glenn R-P)
Easier conditional compiling, e.g.,
define PNG_READ/WRITE_NOT_FULLY_SUPPORTED;
all configurable options can be selected from command-line instead
all configurable options can be selected from command line instead
of having to edit pngconf.h (Glenn R-P)
Fixed memory leak in pngwrite.c (free info_ptr->text) (Glenn R-P)
Added more conditions for png_do_background, to avoid changing
Expand Down Expand Up @@ -942,7 +942,7 @@ Version 1.0.8 [July 24, 2000]
Version 1.0.9beta1 [November 10, 2000]
Fixed typo in scripts/makefile.hpux
Updated makevms.com in scripts and contrib/* and contrib/* (Martin Zinser)
Fixed seqence-point bug in contrib/pngminus/png2pnm (Martin Zinser)
Fixed sequence-point bug in contrib/pngminus/png2pnm (Martin Zinser)
Changed "cdrom.com" in documentation to "libpng.org"
Revised pnggccrd.c to get it all working, and updated makefile.gcmmx (Greg).
Changed type of "params" from voidp to png_voidp in png_read|write_png().
Expand Down Expand Up @@ -2295,7 +2295,7 @@ Version 1.4.0beta58 [May 14, 2009]
Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)

Version 1.4.0beta59 [May 15, 2009]
Reformated sources in libpng style (3-space intentation, comment format)
Reformatted sources in libpng style (3-space indentation, comment format)
Fixed typo in libpng docs (PNG_FILTER_AVE should be PNG_FILTER_AVG)
Added sections about the git repository and our coding style to the
documentation
Expand Down Expand Up @@ -2661,7 +2661,7 @@ Version 1.4.1beta06 [January 28, 2010]

Version 1.4.1beta07 [February 6, 2010]
Folded some long lines in the source files.
Added defineable PNG_USER_CHUNK_CACHE_MAX, PNG_USER_CHUNK_MALLOC_MAX,
Added definable PNG_USER_CHUNK_CACHE_MAX, PNG_USER_CHUNK_MALLOC_MAX,
and a PNG_USER_LIMITS_SUPPORTED flag.
Eliminated use of png_ptr->irowbytes and reused the slot in png_ptr as
png_ptr->png_user_chunk_malloc_max.
Expand Down Expand Up @@ -3886,7 +3886,7 @@ Version 1.6.0beta06 [January 24, 2012]
Version 1.6.0beta07 [January 28, 2012]
Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
compiler issues slightly different warnings from those issued by the
current vesions of GCC. This eliminates those warnings by
current versions of GCC. This eliminates those warnings by
adding/removing casts and small code rewrites.
Updated configure.ac from autoupdate: added --enable-werror option.
Also some layout regularization and removal of introduced tab characters
Expand Down Expand Up @@ -3919,7 +3919,7 @@ Version 1.6.0beta08 [February 1, 2012]
version checking to configure.ac
Improved pngstest speed by not doing redundant tests and add const to
the background parameter of png_image_finish_read. The --background
option is now done automagically only when required, so that commandline
option is now done automagically only when required, so that command-line
option no longer exists.
Cleaned up pngpriv.h to consistently declare all functions and data.
Also eliminated PNG_CONST_DATA, which is apparently not needed but we
Expand Down Expand Up @@ -4052,7 +4052,7 @@ Version 1.6.0beta16 [March 6, 2012]
(in fact this is harmless, but the PNG data produced may be sub-optimal).

Version 1.6.0beta17 [March 10, 2012]
Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition.
Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition.
Reject all iCCP chunks after the first, even if the first one is invalid.
Deflate/inflate was reworked to move common zlib calls into single
functions [rw]util.c. A new shared keyword check routine was also added
Expand Down Expand Up @@ -4962,7 +4962,7 @@ Version 1.6.13beta01 [July 4, 2014]
Changed "if defined(__ARM_NEON__)" to
"if (defined(__ARM_NEON__) || defined(__ARM_NEON))" (James Wu).
Fixed clang no-warning builds: png_digit was defined but never used.

Version 1.6.13beta02 [July 21, 2014]
Fixed an incorrect separator ("/" should be "\") in scripts/makefile.vcwin32
(bug report from Wolfgang S. Kechel). Bug was introduced in libpng-1.6.11.
Expand Down Expand Up @@ -5453,7 +5453,7 @@ Version 1.6.21beta01 [December 11, 2015]
Version 1.6.21beta02 [December 14, 2015]
Moved png_check_keyword() from pngwutil.c to pngset.c
Removed LE/BE dependencies in pngvalid, to 'fix' the current problem
in the BigEndian tests by not testing it, making the BE code the same
in the BigEndian tests by not testing it, making the BE code the same
as the LE version.
Fixes to pngvalid for various reduced build configurations (eliminate unused
statics) and a fix for the case in rgb_to_gray when the digitize option
Expand Down Expand Up @@ -5517,7 +5517,7 @@ Version 1.6.22beta03 [March 9, 2016]
Added a common-law trademark notice and export control information
to the LICENSE file, png.h, and the man page.
Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that
were accidentally removed from libpng-1.6.17.
were accidentally removed from libpng-1.6.17.
Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h
(Robert C. Seacord).
Removed dubious "#if INT_MAX" test from png.h that was added to
Expand Down Expand Up @@ -5927,7 +5927,7 @@ Version 1.6.32beta03 [August 2, 2017]
(Bug report from the OSS-fuzz project).

Version 1.6.32beta04 [August 2, 2017]
Replaced local eXIf_buf with info_ptr-eXIf_buf in png_handle_eXIf().
Replaced local eXIf_buf with info_ptr->eXIf_buf in png_handle_eXIf().
Update libpng.3 and libpng-manual.txt about eXIf functions.

Version 1.6.32beta05 [August 2, 2017]
Expand All @@ -5950,7 +5950,7 @@ Version 1.6.32beta09 [August 3, 2017]
Require cmake-2.8.8 in CMakeLists.txt. Revised symlink creation,
no longer using deprecated cmake LOCATION feature (Clifford Yapp).
Fixed five-byte error in the calculation of IDAT maximum possible size.

Version 1.6.32beta10 [August 5, 2017]
Moved chunk-length check into a png_check_chunk_length() private
function (Suggested by Max Stepin).
Expand Down Expand Up @@ -6103,6 +6103,99 @@ Version 1.6.37 [April 14, 2019]
Added makefiles for AddressSanitizer-enabled builds.
Cleaned up various makefiles.

Version 1.6.38 [September 14, 2022]
Added configurations and scripts for continuous integration.
Fixed various errors in the handling of tRNS, hIST and eXIf.
Implemented many stability improvements across all platforms.
Updated the internal documentation.

Version 1.6.39 [November 20, 2022]
Changed the error handler of oversized chunks (i.e. larger than
PNG_USER_CHUNK_MALLOC_MAX) from png_chunk_error to png_benign_error.
Fixed a buffer overflow error in contrib/tools/pngfix.
Fixed a memory leak (CVE-2019-6129) in contrib/tools/pngcp.
Disabled the ARM Neon optimizations by default in the CMake file,
following the default behavior of the configure script.
Allowed configure.ac to work with the trunk version of autoconf.
Removed the support for "install" targets from the legacy makefiles;
removed the obsolete makefile.cegcc.
Cleaned up the code and updated the internal documentation.

Version 1.6.40 [June 21, 2023]
Fixed the eXIf chunk multiplicity checks.
Fixed a memory leak in pCAL processing.
Corrected the validity report about tRNS inside png_get_valid().
Fixed various build issues on *BSD, Mac and Windows.
Updated the configurations and the scripts for continuous integration.
Cleaned up the code, the build scripts, and the documentation.

Version 1.6.41 [January 24, 2024]
Added SIMD-optimized code for the LoongArch LSX hardware.
(Contributed by GuXiWei, JinBo and ZhangLixia)
Fixed the run-time discovery of MIPS MSA hardware.
(Contributed by Sui Jingfeng)
Fixed an off-by-one error in the function png_do_check_palette_indexes(),
which failed to recognize errors that might have existed in the first
column of a broken palette-encoded image. This was a benign regression
accidentally introduced in libpng-1.6.33. No pixel was harmed.
(Contributed by Adam Richter; reviewed by John Bowler)
Fixed, improved and modernized the contrib/pngminus programs, i.e.,
png2pnm.c and pnm2png.c
Removed old and peculiar portability hacks that were meant to silence
warnings issued by gcc version 7.1 alone.
(Contributed by John Bowler)
Fixed and modernized the CMake file, and raised the minimum required
CMake version from 3.1 to 3.6.
(Contributed by Clinton Ingram, Timothy Lyanguzov, Tyler Kropp, et al.)
Allowed the configure script to disable the building of auxiliary tools
and tests, thus catching up with the CMake file.
(Contributed by Carlo Bramini)
Fixed a build issue on Mac.
(Contributed by Zixu Wang)
Moved the Autoconf macro files to scripts/autoconf.
Moved the CMake files (except for the main CMakeLists.txt) to
scripts/cmake and moved the list of their contributing authors to
scripts/cmake/AUTHORS.md
Updated the CI configurations and scripts.
Relicensed the CI scripts to the MIT License.
Improved the test coverage.
(Contributed by John Bowler)

Version 1.6.42 [January 29, 2024]
Fixed the implementation of the macro function png_check_sig().
This was an API regression, introduced in libpng-1.6.41.
(Reported by Matthieu Darbois)
Fixed and updated the libpng manual.

Version 1.6.43 [February 23, 2024]
Fixed the row width check in png_check_IHDR().
This corrected a bug that was specific to the 16-bit platforms,
and removed a spurious compiler warning from the 64-bit builds.
(Reported by Jacek Caban; fixed by John Bowler)
Added eXIf chunk support to the push-mode reader in pngpread.c.
(Contributed by Chris Blume)
Added contrib/pngexif for the benefit of the users who would like
to inspect the content of eXIf chunks.
Added contrib/conftest/basic.dfa, a basic build-time configuration.
(Contributed by John Bowler)
Fixed a preprocessor condition in pngread.c that broke build-time
configurations like contrib/conftest/pngcp.dfa.
(Contributed by John Bowler)
Added CMake build support for LoongArch LSX.
(Contributed by GuXiWei)
Fixed a CMake build error that occurred under a peculiar state of the
dependency tree. This was a regression introduced in libpng-1.6.41.
(Contributed by Dan Rosser)
Marked the installed libpng headers as system headers in CMake.
(Contributed by Benjamin Buch)
Updated the build support for RISCOS.
(Contributed by Cameron Cawley)
Updated the makefiles to allow cross-platform builds to initialize
conventional make variables like AR and ARFLAGS.
Added various improvements to the CI scripts in areas like version
consistency verification and text linting.
Added version consistency verification to pngtest.c also.

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