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-rw-r--r--src/3rdparty/libpng/ANNOUNCE30
-rw-r--r--src/3rdparty/libpng/CHANGES22
-rw-r--r--src/3rdparty/libpng/INSTALL10
-rw-r--r--src/3rdparty/libpng/README137
-rw-r--r--src/3rdparty/libpng/libpng-manual.txt4
-rw-r--r--src/3rdparty/libpng/png.c6
-rw-r--r--src/3rdparty/libpng/png.h16
-rw-r--r--src/3rdparty/libpng/pngconf.h2
-rw-r--r--src/3rdparty/libpng/pnglibconf.h2
-rw-r--r--src/3rdparty/libpng/pngpriv.h2
-rw-r--r--src/3rdparty/libpng/pngread.c4
-rw-r--r--src/3rdparty/libpng/pngrutil.c2
-rw-r--r--src/3rdparty/libpng/pngwrite.c8
-rw-r--r--src/3rdparty/libpng/pngwutil.c6
-rw-r--r--src/3rdparty/libpng/qt_attribution.json2
15 files changed, 136 insertions, 117 deletions
diff --git a/src/3rdparty/libpng/ANNOUNCE b/src/3rdparty/libpng/ANNOUNCE
index 9c9bb18918..5675b973ab 100644
--- a/src/3rdparty/libpng/ANNOUNCE
+++ b/src/3rdparty/libpng/ANNOUNCE
@@ -1,5 +1,5 @@
-libpng 1.6.38 - September 14, 2022
-==================================
+libpng 1.6.39 - November 20, 2022
+=================================
This is a public release of libpng, intended for use in production code.
@@ -9,13 +9,13 @@ Files available for download
Source files with LF line endings (for Unix/Linux):
- * libpng-1.6.38.tar.xz (LZMA-compressed, recommended)
- * libpng-1.6.38.tar.gz
+ * libpng-1.6.39.tar.xz (LZMA-compressed, recommended)
+ * libpng-1.6.39.tar.gz
Source files with CRLF line endings (for Windows):
- * lp1638.7z (LZMA-compressed, recommended)
- * lp1638.zip
+ * lpng1639.7z (LZMA-compressed, recommended)
+ * lpng1639.zip
Other information:
@@ -25,13 +25,19 @@ Other information:
* TRADEMARK.md
-Changes since the previous public release (version 1.6.37)
-----------------------------------------------------------
+Changes from version 1.6.38 to version 1.6.39
+---------------------------------------------
- * 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.
+ * 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.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
diff --git a/src/3rdparty/libpng/CHANGES b/src/3rdparty/libpng/CHANGES
index 9a86869681..366e0f6a7b 100644
--- a/src/3rdparty/libpng/CHANGES
+++ b/src/3rdparty/libpng/CHANGES
@@ -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
@@ -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.
@@ -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
@@ -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
@@ -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).
@@ -6109,6 +6109,18 @@ Version 1.6.38 [September 14, 2022]
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.
+
Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
Subscription is required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/src/3rdparty/libpng/INSTALL b/src/3rdparty/libpng/INSTALL
index d3aaa28842..042d729291 100644
--- a/src/3rdparty/libpng/INSTALL
+++ b/src/3rdparty/libpng/INSTALL
@@ -192,11 +192,11 @@ test. For more confidence, you can run another test by typing
Also, you can run "pngtest -m contrib/pngsuite/*.png" and compare
your output with the result shown in contrib/pngsuite/README.
-Most of the makefiles will allow you to run "make install" to
-put the library in its final resting place (if you want to
-do that, run "make install" in the zlib directory first if necessary).
-Some also allow you to run "make test-installed" after you have
-run "make install".
+Most of the makefiles used to allow you to run "make install" to put
+the library in its final resting place, but that feature is no longer
+supported. The only tested and supported manners to install libpng are
+the conventional build and install procedures driven by the configure
+script or by the CMake file.
VIII. Configuring for DOS and other 16-bit platforms
diff --git a/src/3rdparty/libpng/README b/src/3rdparty/libpng/README
index e6e72aa547..097a3c2184 100644
--- a/src/3rdparty/libpng/README
+++ b/src/3rdparty/libpng/README
@@ -1,4 +1,4 @@
-README for libpng version 1.6.38
+README for libpng version 1.6.39
================================
See the note about version numbers near the top of png.h.
@@ -106,73 +106,74 @@ subscribe).
Files in this distribution:
- ANNOUNCE => Announcement of this version, with recent changes
- AUTHORS => List of contributing authors
- CHANGES => Description of changes between libpng versions
- KNOWNBUG => List of known bugs and deficiencies
- LICENSE => License to use and redistribute libpng
- README => This file
- TODO => Things not implemented in the current library
- TRADEMARK => Trademark information
- example.c => Example code for using libpng functions
- libpng.3 => manual page for libpng (includes libpng-manual.txt)
- libpng-manual.txt => Description of libpng and its functions
- libpngpf.3 => manual page for libpng's private functions
- png.5 => manual page for the PNG format
- png.c => Basic interface functions common to library
- png.h => Library function and interface declarations (public)
- pngpriv.h => Library function and interface declarations (private)
- pngconf.h => System specific library configuration (public)
- pngstruct.h => png_struct declaration (private)
- pnginfo.h => png_info struct declaration (private)
- pngdebug.h => debugging macros (private)
- pngerror.c => Error/warning message I/O functions
- pngget.c => Functions for retrieving info from struct
- pngmem.c => Memory handling functions
- pngbar.png => PNG logo, 88x31
- pngnow.png => PNG logo, 98x31
- pngpread.c => Progressive reading functions
- pngread.c => Read data/helper high-level functions
- pngrio.c => Lowest-level data read I/O functions
- pngrtran.c => Read data transformation functions
- pngrutil.c => Read data utility functions
- pngset.c => Functions for storing data into the info_struct
- pngtest.c => Library test program
- pngtest.png => Library test sample image
- pngtrans.c => Common data transformation functions
- pngwio.c => Lowest-level write I/O functions
- pngwrite.c => High-level write functions
- pngwtran.c => Write data transformations
- pngwutil.c => Write utility functions
- arm => Contains optimized code for the ARM platform
- powerpc => Contains optimized code for the PowerPC platform
- contrib => Contributions
- arm-neon => Optimized code for ARM-NEON platform
- powerpc-vsx => Optimized code for POWERPC-VSX platform
- examples => Example programs
- gregbook => source code for PNG reading and writing, from
- Greg Roelofs' "PNG: The Definitive Guide",
- O'Reilly, 1999
- libtests => Test programs
- mips-msa => Optimized code for MIPS-MSA platform
- pngminim => Minimal decoder, encoder, and progressive decoder
- programs demonstrating use of pngusr.dfa
- pngminus => Simple pnm2png and png2pnm programs
- pngsuite => Test images
- testpngs
- tools => Various tools
- visupng => Contains a MSVC workspace for VisualPng
- intel => Optimized code for INTEL-SSE2 platform
- mips => Optimized code for MIPS platform
- projects => Contains project files and workspaces for
- building a DLL
- owatcom => Contains a WATCOM project for building libpng
- visualc71 => Contains a Microsoft Visual C++ (MSVC)
- workspace for building libpng and zlib
- vstudio => Contains a Microsoft Visual C++ (MSVC)
- workspace for building libpng and zlib
- scripts => Directory containing scripts for building libpng:
- (see scripts/README.txt for the list of scripts)
+ ANNOUNCE => Announcement of this version, with recent changes
+ AUTHORS => List of contributing authors
+ CHANGES => Description of changes between libpng versions
+ INSTALL => Instructions to install libpng
+ LICENSE => License to use and redistribute libpng
+ README => This file
+ TODO => Things not implemented in the current library
+ TRADEMARK => Trademark information
+ example.c => Example code for using libpng functions
+ libpng.3 => Manual page for libpng (includes libpng-manual.txt)
+ libpng-manual.txt => Description of libpng and its functions
+ libpngpf.3 => Manual page for libpng's private functions (deprecated)
+ png.5 => Manual page for the PNG format
+ png.c => Basic interface functions common to library
+ png.h => Library function and interface declarations (public)
+ pngpriv.h => Library function and interface declarations (private)
+ pngconf.h => System specific library configuration (public)
+ pngstruct.h => png_struct declaration (private)
+ pnginfo.h => png_info struct declaration (private)
+ pngdebug.h => debugging macros (private)
+ pngerror.c => Error/warning message I/O functions
+ pngget.c => Functions for retrieving info from struct
+ pngmem.c => Memory handling functions
+ pngbar.png => PNG logo, 88x31
+ pngnow.png => PNG logo, 98x31
+ pngpread.c => Progressive reading functions
+ pngread.c => Read data/helper high-level functions
+ pngrio.c => Lowest-level data read I/O functions
+ pngrtran.c => Read data transformation functions
+ pngrutil.c => Read data utility functions
+ pngset.c => Functions for storing data into the info_struct
+ pngtest.c => Library test program
+ pngtest.png => Library test sample image
+ pngtrans.c => Common data transformation functions
+ pngwio.c => Lowest-level write I/O functions
+ pngwrite.c => High-level write functions
+ pngwtran.c => Write data transformations
+ pngwutil.c => Write utility functions
+ arm/ => Optimized code for the ARM platform
+ intel/ => Optimized code for the INTEL-SSE2 platform
+ mips/ => Optimized code for the MIPS platform
+ powerpc/ => Optimized code for the PowerPC platform
+ ci/ => Scripts for continuous integration
+ contrib/ => External contributions
+ arm-neon/ => Optimized code for the ARM-NEON platform
+ mips-msa/ => Optimized code for the MIPS-MSA platform
+ powerpc-vsx/ => Optimized code for the POWERPC-VSX platform
+ examples/ => Example programs
+ gregbook/ => Source code for PNG reading and writing, from
+ "PNG: The Definitive Guide" by Greg Roelofs,
+ O'Reilly, 1999
+ libtests/ => Test programs
+ oss-fuzz/ => Files used by the OSS-Fuzz project for fuzz-testing
+ libpng
+ pngminim/ => Minimal decoder, encoder, and progressive decoder
+ programs demonstrating the use of pngusr.dfa
+ pngminus/ => Simple pnm2png and png2pnm programs
+ pngsuite/ => Test images
+ testpngs/ => Test images
+ tools/ => Various tools
+ visupng/ => VisualPng, a Windows viewer for PNG images
+ projects/ => Project files and workspaces for various IDEs
+ owatcom/ => OpenWatcom project
+ visualc71/ => Microsoft Visual C++ 7.1 workspace
+ vstudio/ => Microsoft Visual Studio workspace
+ scripts/ => Scripts and makefiles for building libpng
+ (see scripts/README.txt for the complete list)
+ tests/ => Test scripts
Good luck, and happy coding!
diff --git a/src/3rdparty/libpng/libpng-manual.txt b/src/3rdparty/libpng/libpng-manual.txt
index 19b1e0c356..d856796169 100644
--- a/src/3rdparty/libpng/libpng-manual.txt
+++ b/src/3rdparty/libpng/libpng-manual.txt
@@ -9,7 +9,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
- libpng version 1.6.36, December 2018, through 1.6.38 - September 2022
+ libpng version 1.6.36, December 2018, through 1.6.39 - November 2022
Updated and distributed by Cosmin Truta
Copyright (c) 2018-2022 Cosmin Truta
@@ -877,7 +877,7 @@ described below (the latter being the two common names for associated alpha
color channels). Note that PNG files always contain non-associated color
channels; png_set_alpha_mode() with one of the modes causes the decoder to
convert the pixels to an associated form before returning them to your
-application.
+application.
Since it is not necessary to perform arithmetic on opaque color values so
long as they are not to be resampled and are in the final color space it is
diff --git a/src/3rdparty/libpng/png.c b/src/3rdparty/libpng/png.c
index fc09564262..4f3e8bbd31 100644
--- a/src/3rdparty/libpng/png.c
+++ b/src/3rdparty/libpng/png.c
@@ -14,7 +14,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_6_38 Your_png_h_is_not_version_1_6_38;
+typedef png_libpng_version_1_6_39 Your_png_h_is_not_version_1_6_39;
#ifdef __GNUC__
/* The version tests may need to be added to, but the problem warning has
@@ -815,7 +815,7 @@ png_get_copyright(png_const_structrp png_ptr)
return PNG_STRING_COPYRIGHT
#else
return PNG_STRING_NEWLINE \
- "libpng version 1.6.38" PNG_STRING_NEWLINE \
+ "libpng version 1.6.39" PNG_STRING_NEWLINE \
"Copyright (c) 2018-2022 Cosmin Truta" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \
@@ -2710,7 +2710,7 @@ png_check_IHDR(png_const_structrp png_ptr,
int /* PRIVATE */
png_check_fp_number(png_const_charp string, size_t size, int *statep,
- png_size_tp whereami)
+ size_t *whereami)
{
int state = *statep;
size_t i = *whereami;
diff --git a/src/3rdparty/libpng/png.h b/src/3rdparty/libpng/png.h
index 5fb494fb1a..f109cdf336 100644
--- a/src/3rdparty/libpng/png.h
+++ b/src/3rdparty/libpng/png.h
@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.6.38 - September 14, 2022
+ * libpng version 1.6.39 - November 20, 2022
*
* Copyright (c) 2018-2022 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
@@ -15,7 +15,7 @@
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.35, July 2018:
* Glenn Randers-Pehrson
- * libpng versions 1.6.36, December 2018, through 1.6.38, September 2022:
+ * libpng versions 1.6.36, December 2018, through 1.6.39, November 2022:
* Cosmin Truta
* See also "Contributing Authors", below.
*/
@@ -239,7 +239,7 @@
* ...
* 1.5.30 15 10530 15.so.15.30[.0]
* ...
- * 1.6.38 16 10638 16.so.16.38[.0]
+ * 1.6.39 16 10639 16.so.16.39[.0]
*
* Henceforth the source version will match the shared-library major and
* minor numbers; the shared-library major version number will be used for
@@ -278,8 +278,8 @@
*/
/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.6.38"
-#define PNG_HEADER_VERSION_STRING " libpng version 1.6.38 - September 14, 2022\n"
+#define PNG_LIBPNG_VER_STRING "1.6.39"
+#define PNG_HEADER_VERSION_STRING " libpng version 1.6.39 - November 20, 2022\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
@@ -287,7 +287,7 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 6
-#define PNG_LIBPNG_VER_RELEASE 38
+#define PNG_LIBPNG_VER_RELEASE 39
/* This should be zero for a public release, or non-zero for a
* development version. [Deprecated]
@@ -318,7 +318,7 @@
* From version 1.0.1 it is:
* XXYYZZ, where XX=major, YY=minor, ZZ=release
*/
-#define PNG_LIBPNG_VER 10638 /* 1.6.38 */
+#define PNG_LIBPNG_VER 10639 /* 1.6.39 */
/* Library configuration: these options cannot be changed after
* the library has been built.
@@ -428,7 +428,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
-typedef char* png_libpng_version_1_6_38;
+typedef char* png_libpng_version_1_6_39;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
*
diff --git a/src/3rdparty/libpng/pngconf.h b/src/3rdparty/libpng/pngconf.h
index 89d28f83a0..fcb4b43069 100644
--- a/src/3rdparty/libpng/pngconf.h
+++ b/src/3rdparty/libpng/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine-configurable file for libpng
*
- * libpng version 1.6.38
+ * libpng version 1.6.39
*
* Copyright (c) 2018-2022 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson
diff --git a/src/3rdparty/libpng/pnglibconf.h b/src/3rdparty/libpng/pnglibconf.h
index 89d5b4c8ad..e5948c8ce1 100644
--- a/src/3rdparty/libpng/pnglibconf.h
+++ b/src/3rdparty/libpng/pnglibconf.h
@@ -1,6 +1,6 @@
/* pnglibconf.h - library build configuration */
-/* libpng version 1.6.38 */
+/* libpng version 1.6.39 */
/* Copyright (c) 2018-2022 Cosmin Truta */
/* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */
diff --git a/src/3rdparty/libpng/pngpriv.h b/src/3rdparty/libpng/pngpriv.h
index 2e426cf47d..b8a73b685d 100644
--- a/src/3rdparty/libpng/pngpriv.h
+++ b/src/3rdparty/libpng/pngpriv.h
@@ -1946,7 +1946,7 @@ PNG_INTERNAL_FUNCTION(void,png_ascii_from_fixed,(png_const_structrp png_ptr,
* the problem character.) This has not been tested within libpng.
*/
PNG_INTERNAL_FUNCTION(int,png_check_fp_number,(png_const_charp string,
- size_t size, int *statep, png_size_tp whereami),PNG_EMPTY);
+ size_t size, int *statep, size_t *whereami),PNG_EMPTY);
/* This is the same but it checks a complete string and returns true
* only if it just contains a floating point number. As of 1.5.4 this
diff --git a/src/3rdparty/libpng/pngread.c b/src/3rdparty/libpng/pngread.c
index 5ab9224038..96996ced5b 100644
--- a/src/3rdparty/libpng/pngread.c
+++ b/src/3rdparty/libpng/pngread.c
@@ -3762,13 +3762,13 @@ png_image_read_direct(png_voidp argument)
mode = PNG_ALPHA_PNG;
output_gamma = PNG_DEFAULT_sRGB;
}
-
+
if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0)
{
mode = PNG_ALPHA_OPTIMIZED;
change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA;
}
-
+
/* If 'do_local_background' is set check for the presence of gamma
* correction; this is part of the work-round for the libpng bug
* described above.
diff --git a/src/3rdparty/libpng/pngrutil.c b/src/3rdparty/libpng/pngrutil.c
index ca060dd15f..068ab193a3 100644
--- a/src/3rdparty/libpng/pngrutil.c
+++ b/src/3rdparty/libpng/pngrutil.c
@@ -3186,7 +3186,7 @@ png_check_chunk_length(png_const_structrp png_ptr, png_uint_32 length)
{
png_debug2(0," length = %lu, limit = %lu",
(unsigned long)length,(unsigned long)limit);
- png_chunk_error(png_ptr, "chunk data is too large");
+ png_benign_error(png_ptr, "chunk data is too large");
}
}
diff --git a/src/3rdparty/libpng/pngwrite.c b/src/3rdparty/libpng/pngwrite.c
index 06c45d16ab..4e58d776a9 100644
--- a/src/3rdparty/libpng/pngwrite.c
+++ b/src/3rdparty/libpng/pngwrite.c
@@ -75,10 +75,10 @@ write_unknown_chunks(png_structrp png_ptr, png_const_inforp info_ptr,
* library. If you have a new chunk to add, make a function to write it,
* and put it in the correct location here. If you want the chunk written
* after the image data, put it in png_write_end(). I strongly encourage
- * you to supply a PNG_INFO_ flag, and check info_ptr->valid before writing
- * the chunk, as that will keep the code from breaking if you want to just
- * write a plain PNG file. If you have long comments, I suggest writing
- * them in png_write_end(), and compressing them.
+ * you to supply a PNG_INFO_<chunk> flag, and check info_ptr->valid before
+ * writing the chunk, as that will keep the code from breaking if you want
+ * to just write a plain PNG file. If you have long comments, I suggest
+ * writing them in png_write_end(), and compressing them.
*/
void PNGAPI
png_write_info_before_PLTE(png_structrp png_ptr, png_const_inforp info_ptr)
diff --git a/src/3rdparty/libpng/pngwutil.c b/src/3rdparty/libpng/pngwutil.c
index 16345e4c0b..01f0607c70 100644
--- a/src/3rdparty/libpng/pngwutil.c
+++ b/src/3rdparty/libpng/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * Copyright (c) 2018 Cosmin Truta
+ * Copyright (c) 2018-2022 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
* Copyright (c) 1996-1997 Andreas Dilger
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
@@ -1747,7 +1747,7 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0,
{
png_uint_32 purpose_len;
size_t units_len, total_len;
- png_size_tp params_len;
+ size_t *params_len;
png_byte buf[10];
png_byte new_purpose[80];
int i;
@@ -1769,7 +1769,7 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0,
png_debug1(3, "pCAL units length = %d", (int)units_len);
total_len = purpose_len + units_len + 10;
- params_len = (png_size_tp)png_malloc(png_ptr,
+ params_len = (size_t *)png_malloc(png_ptr,
(png_alloc_size_t)((png_alloc_size_t)nparams * (sizeof (size_t))));
/* Find the length of each parameter, making sure we don't count the
diff --git a/src/3rdparty/libpng/qt_attribution.json b/src/3rdparty/libpng/qt_attribution.json
index 4867220ca3..2c51a05685 100644
--- a/src/3rdparty/libpng/qt_attribution.json
+++ b/src/3rdparty/libpng/qt_attribution.json
@@ -6,7 +6,7 @@
"Description": "libpng is the official PNG reference library.",
"Homepage": "http://www.libpng.org/pub/png/libpng.html",
- "Version": "1.6.38",
+ "Version": "1.6.39",
"License": "libpng License and PNG Reference Library version 2",
"LicenseId": "Libpng AND libpng-2.0",
"LicenseFile": "LICENSE",
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 17:44:26 +0000