8295685: Update Libpng to 1.6.38
Reviewed-by: prr, azvegint
This commit is contained in:
Harshitha Onkar
Phil Race
parent
94eb25a4f1
commit
b685fc2de4
src/java.desktop/share
@ -1,4 +1,4 @@
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## libpng v1.6.37
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## libpng v1.6.38
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### libpng License
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<pre>
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@ -9,11 +9,11 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
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PNG Reference Library License version 2
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---------------------------------------
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* Copyright (c) 1995-2019 The PNG Reference Library Authors.
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* Copyright (c) 2018-2019 Cosmin Truta.
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* Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
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* Copyright (c) 1996-1997 Andreas Dilger.
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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Copyright (c) 1995-2022 The PNG Reference Library Authors.
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Copyright (c) 2018-2022 Cosmin Truta
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Copyright (c) 1998-2018 Glenn Randers-Pehrson
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Copyright (c) 1996-1997 Andreas Dilger
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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The software is supplied "as is", without warranty of any kind,
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express or implied, including, without limitation, the warranties
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@ -138,4 +138,66 @@ to supporting the PNG file format in commercial products. If you use
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this source code in a product, acknowledgment is not required but would
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be appreciated.
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TRADEMARK
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=========
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The name "libpng" has not been registered by the Copyright owners
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as a trademark in any jurisdiction. However, because libpng has
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been distributed and maintained world-wide, continually since 1995,
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the Copyright owners claim "common-law trademark protection" in any
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jurisdiction where common-law trademark is recognized.
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</pre>
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### AUTHORS File Information
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```
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PNG REFERENCE LIBRARY AUTHORS
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=============================
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This is the list of PNG Reference Library ("libpng") Contributing
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Authors, for copyright and licensing purposes.
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* Andreas Dilger
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* Cosmin Truta
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* Dave Martindale
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* Eric S. Raymond
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* Gilles Vollant
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* Glenn Randers-Pehrson
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* Greg Roelofs
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* Guy Eric Schalnat
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* James Yu
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* John Bowler
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* Kevin Bracey
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* Magnus Holmgren
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* Mandar Sahastrabuddhe
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* Mans Rullgard
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* Matt Sarett
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* Mike Klein
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* Pascal Massimino
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* Paul Schmidt
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* Qiang Zhou
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* Sam Bushell
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* Samuel Williams
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* Simon-Pierre Cadieux
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* Tim Wegner
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* Tom Lane
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* Tom Tanner
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* Vadim Barkov
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* Willem van Schaik
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* Zhijie Liang
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* Arm Holdings
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- Richard Townsend
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* Google Inc.
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- Matt Sarett
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- Mike Klein
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- Dan Field
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- Sami Boukortt
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The build projects, the build scripts, the test scripts, and other
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files in the "ci", "projects", "scripts" and "tests" directories, have
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other copyright owners, but are released under the libpng license.
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Some files in the "contrib" directory, and some tools-generated files
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that are distributed with libpng, have other copyright owners, and are
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released under other open source licenses.
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```
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@ -2295,7 +2295,7 @@ Version 1.4.0beta58 [May 14, 2009]
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Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)
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Version 1.4.0beta59 [May 15, 2009]
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Reformated sources in libpng style (3-space intentation, comment format)
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Reformated sources in libpng style (3-space indentation, comment format)
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Fixed typo in libpng docs (PNG_FILTER_AVE should be PNG_FILTER_AVG)
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Added sections about the git repository and our coding style to the
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documentation
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@ -3886,7 +3886,7 @@ Version 1.6.0beta06 [January 24, 2012]
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Version 1.6.0beta07 [January 28, 2012]
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Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
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compiler issues slightly different warnings from those issued by the
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current vesions of GCC. This eliminates those warnings by
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current versions of GCC. This eliminates those warnings by
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adding/removing casts and small code rewrites.
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Updated configure.ac from autoupdate: added --enable-werror option.
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Also some layout regularization and removal of introduced tab characters
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@ -6103,6 +6103,12 @@ Version 1.6.37 [April 14, 2019]
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Added makefiles for AddressSanitizer-enabled builds.
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Cleaned up various makefiles.
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Version 1.6.38 [September 14, 2022]
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Added configurations and scripts for continuous integration.
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Fixed various errors in the handling of tRNS, hIST and eXIf.
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Implemented many stability improvements across all platforms.
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Updated the internal documentation.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
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Subscription is required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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@ -4,8 +4,8 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
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PNG Reference Library License version 2
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---------------------------------------
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* Copyright (c) 1995-2019 The PNG Reference Library Authors.
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* Copyright (c) 2018-2019 Cosmin Truta.
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* Copyright (c) 1995-2022 The PNG Reference Library Authors.
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* Copyright (c) 2018-2022 Cosmin Truta.
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* Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
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* Copyright (c) 1996-1997 Andreas Dilger.
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -1,12 +1,12 @@
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README for libpng version 1.6.37 - April 14, 2019
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=================================================
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README for libpng version 1.6.38
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================================
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See the note about version numbers near the top of png.h.
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See INSTALL for instructions on how to install libpng.
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Libpng comes in several distribution formats. Get libpng-*.tar.gz or
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libpng-*.tar.xz or if you want UNIX-style line endings in the text
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files, or lpng*.7z or lpng*.zip if you want DOS-style line endings.
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libpng-*.tar.xz if you want UNIX-style line endings in the text files,
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or lpng*.7z or lpng*.zip if you want DOS-style line endings.
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Version 0.89 was the first official release of libpng. Don't let the
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fact that it's the first release fool you. The libpng library has been
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@ -4,7 +4,7 @@ Updating libpng in OpenJDK
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Usually this is just a matter of updating the version at the top,
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and in the embedded text, and extending the copyright date.
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The updated info comes from the LICENSE file.
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The updated info comes from the LICENSE, TRADEMARK and AUTHORS files.
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2) Copy LICENSE, README, and CHANGES from the new version into OpenJDK's
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libpng source directory
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@ -21,9 +21,9 @@ OpenJDK has a heavily modified copy of pnglibconf.h.
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This is the trickiest part of the whole exercise.
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This file is generated by png at build time.
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Except for the dates and version, you should generally not need to update
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OpenJDK's copy unless the new version of PNG has added rquired new #defines
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OpenJDK's copy unless the new version of PNG has added required new #defines
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that cause problems building.
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You can run configure && make on the downloaded source and compare but we
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You can run configure && make on the downloaded source and compare, but we
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do not want to enable any of the WRITE support, and there are many more
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modifications as well.
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So do NOT just copy in a file from the new libpng.
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@ -33,15 +33,22 @@ line in the GPL header.
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So lots of reasons to not copy over the new version,
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and instead just tweak the existing one.
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5) Run scripts to expand tabs and remove trailing white space from source files.
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5) Run script to expand tabs and remove trailing white space from source files.
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Use expand to remove tabs
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expand ${f} > ${f}.tmp
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mv ${f}.tmp $f
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First cd into the libpng folder and run the following script.
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Use sed to remove trailing white space
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sed -e 's/[ ]* $//' ${f} > ${f}.tmp
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mv ${f}.tmp $f
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for f in *.c *.h;
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do
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# replace tabs with spaces
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expand ${f} > ${f}.tmp;
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mv ${f}.tmp $f;
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# fix line endings to LF
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sed -i -e 's/\r$//g' ${f};
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# remove trailing spaces
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sed -i -e 's/[ ]* $//g' ${f};
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done
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6) As with all native code, run it through the official build systems, in case
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the updated code trigger any fatal warnings with the official compilers.
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@ -29,7 +29,7 @@
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* However, the following notice accompanied the original version of this
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* file and, per its terms, should not be removed:
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -42,7 +42,7 @@
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#include "pngpriv.h"
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/* Generate a compiler error if there is an old png.h in the search path. */
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typedef png_libpng_version_1_6_37 Your_png_h_is_not_version_1_6_37;
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typedef png_libpng_version_1_6_38 Your_png_h_is_not_version_1_6_38;
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#ifdef __GNUC__
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/* The version tests may need to be added to, but the problem warning has
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@ -748,7 +748,7 @@ png_init_io(png_structrp png_ptr, png_FILE_p fp)
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*
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* Where UNSIGNED_MAX is the appropriate maximum unsigned value, so when the
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* negative integral value is added the result will be an unsigned value
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* correspnding to the 2's complement representation.
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* corresponding to the 2's complement representation.
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*/
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void PNGAPI
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png_save_int_32(png_bytep buf, png_int_32 i)
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@ -843,8 +843,8 @@ png_get_copyright(png_const_structrp png_ptr)
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return PNG_STRING_COPYRIGHT
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#else
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return PNG_STRING_NEWLINE \
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"libpng version 1.6.37" PNG_STRING_NEWLINE \
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"Copyright (c) 2018-2019 Cosmin Truta" PNG_STRING_NEWLINE \
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"libpng version 1.6.38" PNG_STRING_NEWLINE \
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"Copyright (c) 2018-2022 Cosmin Truta" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
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PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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@ -1871,12 +1871,12 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
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# ifdef PNG_WARNINGS_SUPPORTED
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else
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{
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char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114*/
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char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */
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pos = png_safecat(message, (sizeof message), pos,
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png_format_number(number, number+(sizeof number),
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PNG_NUMBER_FORMAT_x, value));
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pos = png_safecat(message, (sizeof message), pos, "h: "); /*+2 = 116*/
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pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */
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}
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# endif
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/* The 'reason' is an arbitrary message, allow +79 maximum 195 */
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@ -29,9 +29,9 @@
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* However, the following notice accompanied the original version of this
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* file and, per its terms, should not be removed:
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*
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* libpng version 1.6.37 - April 14, 2019
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* libpng version 1.6.38 - September 14, 2022
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -43,7 +43,7 @@
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* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.6.35, July 2018:
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* Glenn Randers-Pehrson
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* libpng versions 1.6.36, December 2018, through 1.6.37, April 2019:
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* libpng versions 1.6.36, December 2018, through 1.6.38, September 2022:
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* Cosmin Truta
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* See also "Contributing Authors", below.
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*/
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@ -55,8 +55,8 @@
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* PNG Reference Library License version 2
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* ---------------------------------------
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*
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* * Copyright (c) 1995-2019 The PNG Reference Library Authors.
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* * Copyright (c) 2018-2019 Cosmin Truta.
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* * Copyright (c) 1995-2022 The PNG Reference Library Authors.
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* * Copyright (c) 2018-2022 Cosmin Truta.
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* * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
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* * Copyright (c) 1996-1997 Andreas Dilger.
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* * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -267,7 +267,7 @@
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* ...
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* 1.5.30 15 10530 15.so.15.30[.0]
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* ...
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* 1.6.37 16 10637 16.so.16.37[.0]
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* 1.6.38 16 10638 16.so.16.38[.0]
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*
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* Henceforth the source version will match the shared-library major and
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* minor numbers; the shared-library major version number will be used for
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@ -306,8 +306,8 @@
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*/
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.6.37"
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#define PNG_HEADER_VERSION_STRING " libpng version 1.6.37 - April 14, 2019\n"
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#define PNG_LIBPNG_VER_STRING "1.6.38"
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#define PNG_HEADER_VERSION_STRING " libpng version 1.6.38 - September 14, 2022\n"
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#define PNG_LIBPNG_VER_SONUM 16
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#define PNG_LIBPNG_VER_DLLNUM 16
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@ -315,7 +315,7 @@
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/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
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#define PNG_LIBPNG_VER_MAJOR 1
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#define PNG_LIBPNG_VER_MINOR 6
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#define PNG_LIBPNG_VER_RELEASE 37
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#define PNG_LIBPNG_VER_RELEASE 38
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/* This should be zero for a public release, or non-zero for a
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* development version. [Deprecated]
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@ -346,7 +346,7 @@
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* From version 1.0.1 it is:
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* XXYYZZ, where XX=major, YY=minor, ZZ=release
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*/
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#define PNG_LIBPNG_VER 10637 /* 1.6.37 */
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#define PNG_LIBPNG_VER 10638 /* 1.6.38 */
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/* Library configuration: these options cannot be changed after
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* the library has been built.
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@ -456,7 +456,7 @@ extern "C" {
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/* This triggers a compiler error in png.c, if png.c and png.h
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* do not agree upon the version number.
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*/
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typedef char* png_libpng_version_1_6_37;
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typedef char* png_libpng_version_1_6_38;
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/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
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*
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@ -1474,7 +1474,7 @@ PNG_EXPORT(66, void, png_set_crc_action, (png_structrp png_ptr, int crit_action,
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* mainly useful for testing, as the defaults should work with most users.
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* Those users who are tight on memory or want faster performance at the
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* expense of compression can modify them. See the compression library
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* header file (zlib.h) for an explination of the compression functions.
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* header file (zlib.h) for an explanation of the compression functions.
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*/
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/* Set the filtering method(s) used by libpng. Currently, the only valid
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@ -1529,7 +1529,7 @@ PNG_FIXED_EXPORT(209, void, png_set_filter_heuristics_fixed,
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* 0 - 9, corresponding directly to the zlib compression levels 0 - 9
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* (0 - no compression, 9 - "maximal" compression). Note that tests have
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* shown that zlib compression levels 3-6 usually perform as well as level 9
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* for PNG images, and do considerably fewer caclulations. In the future,
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* for PNG images, and do considerably fewer calculations. In the future,
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* these values may not correspond directly to the zlib compression levels.
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*/
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#ifdef PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED
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@ -29,9 +29,9 @@
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* However, the following notice accompanied the original version of this
|
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* file and, per its terms, should not be removed:
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||||
*
|
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* libpng version 1.6.37
|
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* libpng version 1.6.38
|
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*
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* Copyright (c) 2018-2019 Cosmin Truta
|
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* Copyright (c) 2018-2022 Cosmin Truta
|
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* Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson
|
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -208,8 +208,8 @@
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* compiler-specific macros to the values required to change the calling
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* conventions of the various functions.
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*/
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#if defined(_Windows) || defined(_WINDOWS) || defined(WIN32) ||\
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defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
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#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || \
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defined(__CYGWIN__)
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/* Windows system (DOS doesn't support DLLs). Includes builds under Cygwin or
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* MinGW on any architecture currently supported by Windows. Also includes
|
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* Watcom builds but these need special treatment because they are not
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@ -1179,7 +1179,7 @@ png_get_unknown_chunks(png_const_structrp png_ptr, png_inforp info_ptr,
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#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED
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png_byte PNGAPI
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png_get_rgb_to_gray_status (png_const_structrp png_ptr)
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png_get_rgb_to_gray_status(png_const_structrp png_ptr)
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{
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return (png_byte)(png_ptr ? png_ptr->rgb_to_gray_status : 0);
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}
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@ -1220,27 +1220,27 @@ png_get_compression_buffer_size(png_const_structrp png_ptr)
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/* These functions were added to libpng 1.2.6 and were enabled
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* by default in libpng-1.4.0 */
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png_uint_32 PNGAPI
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png_get_user_width_max (png_const_structrp png_ptr)
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png_get_user_width_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_width_max : 0);
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}
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png_uint_32 PNGAPI
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png_get_user_height_max (png_const_structrp png_ptr)
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png_get_user_height_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_height_max : 0);
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}
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/* This function was added to libpng 1.4.0 */
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png_uint_32 PNGAPI
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png_get_chunk_cache_max (png_const_structrp png_ptr)
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png_get_chunk_cache_max(png_const_structrp png_ptr)
|
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{
|
||||
return (png_ptr ? png_ptr->user_chunk_cache_max : 0);
|
||||
}
|
||||
|
||||
/* This function was added to libpng 1.4.1 */
|
||||
png_alloc_size_t PNGAPI
|
||||
png_get_chunk_malloc_max (png_const_structrp png_ptr)
|
||||
png_get_chunk_malloc_max(png_const_structrp png_ptr)
|
||||
{
|
||||
return (png_ptr ? png_ptr->user_chunk_malloc_max : 0);
|
||||
}
|
||||
@ -1249,13 +1249,13 @@ png_get_chunk_malloc_max (png_const_structrp png_ptr)
|
||||
/* These functions were added to libpng 1.4.0 */
|
||||
#ifdef PNG_IO_STATE_SUPPORTED
|
||||
png_uint_32 PNGAPI
|
||||
png_get_io_state (png_const_structrp png_ptr)
|
||||
png_get_io_state(png_const_structrp png_ptr)
|
||||
{
|
||||
return png_ptr->io_state;
|
||||
}
|
||||
|
||||
png_uint_32 PNGAPI
|
||||
png_get_io_chunk_type (png_const_structrp png_ptr)
|
||||
png_get_io_chunk_type(png_const_structrp png_ptr)
|
||||
{
|
||||
return png_ptr->chunk_name;
|
||||
}
|
||||
|
||||
@ -31,9 +31,9 @@
|
||||
* However, the following notice accompanied the original version of this
|
||||
* file and, per its terms, should not be removed:
|
||||
*/
|
||||
/* libpng version 1.6.37 */
|
||||
/* libpng version 1.6.38 */
|
||||
|
||||
/* Copyright (c) 2018-2019 Cosmin Truta */
|
||||
/* Copyright (c) 2018-2022 Cosmin Truta */
|
||||
/* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */
|
||||
|
||||
/* This code is released under the libpng license. */
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
* However, the following notice accompanied the original version of this
|
||||
* file and, per its terms, should not be removed:
|
||||
*
|
||||
* Copyright (c) 2018-2019 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.
|
||||
@ -202,7 +202,7 @@
|
||||
# else /* !defined __ARM_NEON__ */
|
||||
/* The 'intrinsics' code simply won't compile without this -mfpu=neon:
|
||||
*/
|
||||
# if !defined(__aarch64__)
|
||||
# if !defined(__aarch64__) && !defined(_M_ARM64)
|
||||
/* The assembler code currently does not work on ARM64 */
|
||||
# define PNG_ARM_NEON_IMPLEMENTATION 2
|
||||
# endif /* __aarch64__ */
|
||||
@ -213,6 +213,8 @@
|
||||
/* Use the intrinsics code by default. */
|
||||
# define PNG_ARM_NEON_IMPLEMENTATION 1
|
||||
# endif
|
||||
#else /* PNG_ARM_NEON_OPT == 0 */
|
||||
# define PNG_ARM_NEON_IMPLEMENTATION 0
|
||||
#endif /* PNG_ARM_NEON_OPT > 0 */
|
||||
|
||||
#ifndef PNG_MIPS_MSA_OPT
|
||||
@ -291,11 +293,15 @@
|
||||
# ifndef PNG_MIPS_MSA_IMPLEMENTATION
|
||||
# define PNG_MIPS_MSA_IMPLEMENTATION 1
|
||||
# endif
|
||||
#else
|
||||
# define PNG_MIPS_MSA_IMPLEMENTATION 0
|
||||
#endif /* PNG_MIPS_MSA_OPT > 0 */
|
||||
|
||||
#if PNG_POWERPC_VSX_OPT > 0
|
||||
# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx
|
||||
# define PNG_POWERPC_VSX_IMPLEMENTATION 1
|
||||
#else
|
||||
# define PNG_POWERPC_VSX_IMPLEMENTATION 0
|
||||
#endif
|
||||
|
||||
|
||||
@ -520,16 +526,7 @@
|
||||
static_cast<type>(static_cast<const void*>(value))
|
||||
#else
|
||||
# define png_voidcast(type, value) (value)
|
||||
# ifdef _WIN64
|
||||
# ifdef __GNUC__
|
||||
typedef unsigned long long png_ptruint;
|
||||
# else
|
||||
typedef unsigned __int64 png_ptruint;
|
||||
# endif
|
||||
# else
|
||||
typedef unsigned long png_ptruint;
|
||||
# endif
|
||||
# define png_constcast(type, value) ((type)(png_ptruint)(const void*)(value))
|
||||
# define png_constcast(type, value) ((type)(void*)(const void*)(value))
|
||||
# define png_aligncast(type, value) ((void*)(value))
|
||||
# define png_aligncastconst(type, value) ((const void*)(value))
|
||||
#endif /* __cplusplus */
|
||||
@ -571,9 +568,8 @@
|
||||
# include <alloc.h>
|
||||
#endif
|
||||
|
||||
#if defined(WIN32) || defined(_Windows) || defined(_WINDOWS) || \
|
||||
defined(_WIN32) || defined(__WIN32__)
|
||||
# include <windows.h> /* defines _WINDOWS_ macro */
|
||||
#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
|
||||
# include <windows.h>
|
||||
#endif
|
||||
#endif /* PNG_VERSION_INFO_ONLY */
|
||||
|
||||
@ -582,24 +578,20 @@
|
||||
* functions that are passed far data must be model-independent.
|
||||
*/
|
||||
|
||||
/* Memory model/platform independent fns */
|
||||
/* Platform-independent functions */
|
||||
#ifndef PNG_ABORT
|
||||
# ifdef _WINDOWS_
|
||||
# define PNG_ABORT() ExitProcess(0)
|
||||
# else
|
||||
# define PNG_ABORT() abort()
|
||||
# endif
|
||||
# define PNG_ABORT() abort()
|
||||
#endif
|
||||
|
||||
/* These macros may need to be architecture dependent. */
|
||||
#define PNG_ALIGN_NONE 0 /* do not use data alignment */
|
||||
#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */
|
||||
#define PNG_ALIGN_NONE 0 /* do not use data alignment */
|
||||
#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */
|
||||
#ifdef offsetof
|
||||
# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */
|
||||
# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */
|
||||
#else
|
||||
# define PNG_ALIGN_OFFSET -1 /* prevent the use of this */
|
||||
#endif
|
||||
#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */
|
||||
#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */
|
||||
|
||||
#ifndef PNG_ALIGN_TYPE
|
||||
/* Default to using aligned access optimizations and requiring alignment to a
|
||||
@ -613,26 +605,25 @@
|
||||
/* This is used because in some compiler implementations non-aligned
|
||||
* structure members are supported, so the offsetof approach below fails.
|
||||
* Set PNG_ALIGN_SIZE=0 for compiler combinations where unaligned access
|
||||
* is good for performance. Do not do this unless you have tested the result
|
||||
* and understand it.
|
||||
* is good for performance. Do not do this unless you have tested the
|
||||
* result and understand it.
|
||||
*/
|
||||
# define png_alignof(type) (sizeof (type))
|
||||
# define png_alignof(type) (sizeof(type))
|
||||
#else
|
||||
# if PNG_ALIGN_TYPE == PNG_ALIGN_OFFSET
|
||||
# define png_alignof(type) offsetof(struct{char c; type t;}, t)
|
||||
# define png_alignof(type) offsetof(struct{char c; type t;}, t)
|
||||
# else
|
||||
# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS
|
||||
# define png_alignof(type) (1)
|
||||
# endif
|
||||
/* Else leave png_alignof undefined to prevent use thereof */
|
||||
# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS
|
||||
# define png_alignof(type) 1
|
||||
# endif
|
||||
/* Else leave png_alignof undefined to prevent use thereof */
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* This implicitly assumes alignment is always to a power of 2. */
|
||||
/* This implicitly assumes alignment is always a multiple of 2. */
|
||||
#ifdef png_alignof
|
||||
# define png_isaligned(ptr, type)\
|
||||
(((type)((const char*)ptr-(const char*)0) & \
|
||||
(type)(png_alignof(type)-1)) == 0)
|
||||
# define png_isaligned(ptr, type) \
|
||||
(((type)(size_t)((const void*)(ptr)) & (type)(png_alignof(type)-1)) == 0)
|
||||
#else
|
||||
# define png_isaligned(ptr, type) 0
|
||||
#endif
|
||||
|
||||
@ -3480,7 +3480,6 @@ png_image_read_background(png_voidp argument)
|
||||
|
||||
for (pass = 0; pass < passes; ++pass)
|
||||
{
|
||||
png_bytep row = png_voidcast(png_bytep, display->first_row);
|
||||
unsigned int startx, stepx, stepy;
|
||||
png_uint_32 y;
|
||||
|
||||
@ -3585,8 +3584,6 @@ png_image_read_background(png_voidp argument)
|
||||
|
||||
inrow += 2; /* gray and alpha channel */
|
||||
}
|
||||
|
||||
row += display->row_bytes;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -49,7 +49,7 @@
|
||||
#ifdef PNG_ARM_NEON_IMPLEMENTATION
|
||||
# if PNG_ARM_NEON_IMPLEMENTATION == 1
|
||||
# define PNG_ARM_NEON_INTRINSICS_AVAILABLE
|
||||
# if defined(_MSC_VER) && defined(_M_ARM64)
|
||||
# if defined(_MSC_VER) && !defined(__clang__) && defined(_M_ARM64)
|
||||
# include <arm64_neon.h>
|
||||
# else
|
||||
# include <arm_neon.h>
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
* However, the following notice accompanied the original version of this
|
||||
* file and, per its terms, should not be removed:
|
||||
*
|
||||
* 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.
|
||||
@ -329,7 +329,6 @@ png_read_buffer(png_structrp png_ptr, png_alloc_size_t new_size, int warn)
|
||||
|
||||
if (buffer != NULL && new_size > png_ptr->read_buffer_size)
|
||||
{
|
||||
png_ptr->read_buffer = NULL;
|
||||
png_ptr->read_buffer = NULL;
|
||||
png_ptr->read_buffer_size = 0;
|
||||
png_free(png_ptr, buffer);
|
||||
@ -2104,21 +2103,22 @@ png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
||||
png_byte buf[1];
|
||||
png_crc_read(png_ptr, buf, 1);
|
||||
info_ptr->eXIf_buf[i] = buf[0];
|
||||
if (i == 1 && buf[0] != 'M' && buf[0] != 'I'
|
||||
&& info_ptr->eXIf_buf[0] != buf[0])
|
||||
if (i == 1)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
return;
|
||||
if ((buf[0] != 'M' && buf[0] != 'I') ||
|
||||
(info_ptr->eXIf_buf[0] != buf[0]))
|
||||
{
|
||||
png_crc_finish(png_ptr, length - 2);
|
||||
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (png_crc_finish(png_ptr, 0) != 0)
|
||||
return;
|
||||
|
||||
png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf);
|
||||
if (png_crc_finish(png_ptr, 0) == 0)
|
||||
png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf);
|
||||
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
@ -2154,8 +2154,9 @@ png_handle_hIST(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
||||
|
||||
num = length / 2 ;
|
||||
|
||||
if (num != (unsigned int) png_ptr->num_palette ||
|
||||
num > (unsigned int) PNG_MAX_PALETTE_LENGTH)
|
||||
if (length != num * 2 ||
|
||||
num != (unsigned int)png_ptr->num_palette ||
|
||||
num > (unsigned int)PNG_MAX_PALETTE_LENGTH)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "invalid");
|
||||
@ -4649,14 +4650,13 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
||||
*/
|
||||
{
|
||||
png_bytep temp = png_ptr->big_row_buf + 32;
|
||||
int extra = (int)((temp - (png_bytep)0) & 0x0f);
|
||||
size_t extra = (size_t)temp & 0x0f;
|
||||
png_ptr->row_buf = temp - extra - 1/*filter byte*/;
|
||||
|
||||
temp = png_ptr->big_prev_row + 32;
|
||||
extra = (int)((temp - (png_bytep)0) & 0x0f);
|
||||
extra = (size_t)temp & 0x0f;
|
||||
png_ptr->prev_row = temp - extra - 1/*filter byte*/;
|
||||
}
|
||||
|
||||
#else
|
||||
/* Use 31 bytes of padding before and 17 bytes after row_buf. */
|
||||
png_ptr->row_buf = png_ptr->big_row_buf + 31;
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
* However, the following notice accompanied the original version of this
|
||||
* file and, per its terms, should not be removed:
|
||||
*
|
||||
* Copyright (c) 2018 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
@ -1047,6 +1047,9 @@ png_set_tRNS(png_structrp png_ptr, png_inforp info_ptr,
|
||||
info_ptr->trans_alpha = png_voidcast(png_bytep,
|
||||
png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
|
||||
memcpy(info_ptr->trans_alpha, trans_alpha, (size_t)num_trans);
|
||||
|
||||
info_ptr->valid |= PNG_INFO_tRNS;
|
||||
info_ptr->free_me |= PNG_FREE_TRNS;
|
||||
}
|
||||
png_ptr->trans_alpha = info_ptr->trans_alpha;
|
||||
}
|
||||
@ -1354,7 +1357,7 @@ png_set_unknown_chunk_location(png_const_structrp png_ptr, png_inforp info_ptr,
|
||||
|
||||
#ifdef PNG_MNG_FEATURES_SUPPORTED
|
||||
png_uint_32 PNGAPI
|
||||
png_permit_mng_features (png_structrp png_ptr, png_uint_32 mng_features)
|
||||
png_permit_mng_features(png_structrp png_ptr, png_uint_32 mng_features)
|
||||
{
|
||||
png_debug(1, "in png_permit_mng_features");
|
||||
|
||||
@ -1661,7 +1664,7 @@ png_set_invalid(png_const_structrp png_ptr, png_inforp info_ptr, int mask)
|
||||
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
|
||||
/* This function was added to libpng 1.2.6 */
|
||||
void PNGAPI
|
||||
png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
png_set_user_limits(png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
png_uint_32 user_height_max)
|
||||
{
|
||||
/* Images with dimensions larger than these limits will be
|
||||
@ -1677,7 +1680,7 @@ png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
|
||||
/* This function was added to libpng 1.4.0 */
|
||||
void PNGAPI
|
||||
png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
png_set_chunk_cache_max(png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
{
|
||||
if (png_ptr != NULL)
|
||||
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
|
||||
@ -1685,7 +1688,7 @@ png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
|
||||
/* This function was added to libpng 1.4.1 */
|
||||
void PNGAPI
|
||||
png_set_chunk_malloc_max (png_structrp png_ptr,
|
||||
png_set_chunk_malloc_max(png_structrp png_ptr,
|
||||
png_alloc_size_t user_chunk_malloc_max)
|
||||
{
|
||||
if (png_ptr != NULL)
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
* However, the following notice accompanied the original version of this
|
||||
* file and, per its terms, should not be removed:
|
||||
*
|
||||
* Copyright (c) 2018-2019 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.
|
||||
@ -362,18 +362,8 @@ struct png_struct_def
|
||||
size_t current_buffer_size; /* amount of data now in current_buffer */
|
||||
int process_mode; /* what push library is currently doing */
|
||||
int cur_palette; /* current push library palette index */
|
||||
|
||||
#endif /* PROGRESSIVE_READ */
|
||||
|
||||
#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
|
||||
/* For the Borland special 64K segment handler */
|
||||
png_bytepp offset_table_ptr;
|
||||
png_bytep offset_table;
|
||||
png_uint_16 offset_table_number;
|
||||
png_uint_16 offset_table_count;
|
||||
png_uint_16 offset_table_count_free;
|
||||
#endif
|
||||
|
||||
#ifdef PNG_READ_QUANTIZE_SUPPORTED
|
||||
png_bytep palette_lookup; /* lookup table for quantizing */
|
||||
png_bytep quantize_index; /* index translation for palette files */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user