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
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().
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
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.
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
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
(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
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.
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
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
(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]
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).
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.
+
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