[libpng15] Imported from libpng-1.5.29beta01.tar

This commit is contained in:
Glenn Randers-Pehrson 2017-04-01 09:33:25 -05:00
parent ece1601032
commit 934593011b
19 changed files with 70 additions and 70 deletions

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@ -1,5 +1,5 @@
Libpng 1.5.29beta01 - March 30, 2017
Libpng 1.5.29beta01 - April 1, 2017
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -26,12 +26,13 @@ Other information:
Changes since the last public release (1.5.28):
version 1.5.29beta01 [March 30, 2017]
version 1.5.29beta01 [April 1, 2017]
Suppress clang warnings about implicit sign changes in png.c
Avoid potential overflow of shift operations in png_do_expand() (Aaron Boxer).
Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in
makefile.linux and makefile.solaris-x86 (Cosmin).
Silence clang -Wcomma warnings (Viktor SzaKats).
Silence clang -Wcomma warnings (Viktor Szakats).
Update Sourceforge URLs in documentation (https instead of http).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

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@ -4531,12 +4531,13 @@ version 1.5.28 [December 29, 2016]
Fixed a potential null pointer dereference in png_set_text_2() (bug report
and patch by Patrick Keshishian, CVE-2016-10087).
version 1.5.29beta01 [March 30, 2017]
version 1.5.29beta01 [April 1, 2017]
Suppress clang warnings about implicit sign changes in png.c
Avoid potential overflow of shift operations in png_do_expand() (Aaron Boxer).
Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in
makefile.linux and makefile.solaris-x86 (Cosmin).
Silence clang -Wcomma warnings (Viktor SzaKats).
Silence clang -Wcomma warnings (Viktor Szakats).
Update Sourceforge URLs in documentation (https instead of http).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

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@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.5.29beta01, December 30, 2016 are
libpng versions 1.0.7, July 1, 2000 through 1.5.29beta01, April 1, 2017 are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals
@ -126,4 +126,4 @@ any encryption software. See the EAR, paragraphs 734.3(b)(3) and
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
December 30, 2016
April 1, 2017

4
README
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@ -1,4 +1,4 @@
README for libpng version 1.5.29beta01 - December 30, 2016 (shared library 15.0)
README for libpng version 1.5.29beta01 - April 1, 2017 (shared library 15.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@ -90,7 +90,7 @@ You may also want a copy of the PNG specification. It is available
as an RFC, a W3C Recommendation, and an ISO/IEC Standard. You can find
these at http://www.libpng.org/pub/png/documents/
This code is currently being archived at libpng.sf.net in the
This code is currently being archived at libpng.sourceforge.io in the
[DOWNLOAD] area, and at ftp://ftp.simplesystems.org. If you can't find it
in any of those places, e-mail me, and I'll help you find it.

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@ -55,7 +55,7 @@ mation and links to the latest version of the source code, and Chapters
13-15 of the book for detailed discussion of the three programs.
Greg Roelofs
http://pobox.com/~newt/greg_contact.html
https://pobox.com/~newt/greg_contact.html
16 March 2008

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@ -1,8 +1,8 @@
/* pngvalid.c - validate libpng by constructing then reading png files.
*
* Last changed in libpng 1.6.27 [(PENDING RELEASE)]
* Copyright (c) 2014-2016 John Cunningham Bowler
* Last changed in libpng 1.6.29 [(PENDING RELEASE)]
* Copyright (c) 2014-2017 John Cunningham Bowler
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@ -7742,13 +7742,11 @@ image_transform_png_set_rgb_to_gray_ini(const image_transform *this,
* NOTE: this number only affects the internal limit check in pngvalid,
* it has no effect on the limits applied to the libpng values.
*/
that->pm->limit += pow(
# if DIGITIZE
2.0
# else
1.0
# endif
/255, data.gamma);
#if DIGITIZE
that->pm->limit += pow( 2.0/255, data.gamma);
#else
that->pm->limit += pow( 1.0/255, data.gamma);
#endif
}
}

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@ -1,6 +1,6 @@
Libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.5.29beta01 - December 30, 2016
libpng version 1.5.29beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ Libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.5.29beta01 - December 30, 2016
libpng versions 0.97, January 1998, through 1.5.29beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -47,17 +47,17 @@ file format in application programs.
The PNG specification (second edition), November 2003, is available as
a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at
<http://www.w3.org/TR/2003/REC-PNG-20031110/
<https://www.w3.org/TR/2003/REC-PNG-20031110/
The W3C and ISO documents have identical technical content.
The PNG-1.2 specification is available at
<http://png-mng.sourceforge.net/pub/png/spec/1.2/>.
<https://png-mng.sourceforge.io/pub/png/spec/1.2/>.
It is technically equivalent
to the PNG specification (second edition) but has some additional material.
The PNG-1.0 specification is available as RFC 2083
<http://png-mng.sourceforge.net/pub/png/spec/1.0/> and as a
W3C Recommendation <http://www.w3.org/TR/REC-png-961001>.
The PNG-1.0 specification is available as RFC 2083
<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
W3C Recommendation <https://www.w3.org/TR/REC-png-961001>.
Some additional chunks are described in the special-purpose public chunks
documents at <http://www.libpng.org/pub/png/spec/register/>
@ -3605,7 +3605,7 @@ However, there are some uncertainties about the status of local variables
after a longjmp, so the user may want to be careful about doing anything
after setjmp returns non-zero besides returning itself. Consult your
compiler documentation for more details. For an alternative approach, you
may wish to use the "cexcept" facility (see http://cexcept.sourceforge.net),
may wish to use the "cexcept" facility (see https://cexcept.sourceforge.io/),
which is illustrated in pngvalid.c and in contrib/visupng.
Beginning in libpng-1.4.0, the png_set_benign_errors() API became available.
@ -3822,7 +3822,7 @@ in a MNG datastream. As a minimum, it must have the MNG 8-byte signature
and the MHDR and MEND chunks. Libpng does not provide support for these
or any other MNG chunks; your application must provide its own support for
them. You may wish to consider using libmng (available at
http://www.libmng.com) instead.
https://www.libmng.com/) instead.
VII. Changes to Libpng from version 0.88
@ -4369,7 +4369,7 @@ control. The git repository was built from old libpng-x.y.z.tar.gz files
going back to version 0.70. You can access the git repository (read only)
at
git://git.code.sf.net/p/libpng/code
https://git.code.sf.net/p/libpng/code.git
or you can browse it with a web browser by selecting the "code" button at
@ -4379,7 +4379,7 @@ Patches can be sent to glennrp at users.sourceforge.net or to
png-mng-implement at lists.sourceforge.net or you can upload them to
the libpng bug tracker at
http://libpng.sourceforge.net
https://libpng.sourceforge.io/
We also accept patches built from the tar or zip distributions, and
simple verbal discriptions of bug fixes, reported either to the
@ -4389,7 +4389,7 @@ mailing list, or directly to glennrp.
XIII. Coding style
Our coding style is similar to the "Allman" style
(See http://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
(See https://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
braces on separate lines:
if (condition)
@ -4479,7 +4479,7 @@ preprocessor macros begin with "PNG". We request that applications that
use libpng *not* begin any of their own symbols with either of these strings.
Control keywords if, for, while, and switch are always followed by a space
to distinguish them from function calls, which have no trailing space.
to distinguish them from function calls, which have no trailing space.
We put a space after each comma and after each semicolon
in "for" statements, and we put spaces before and after each

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@ -1,4 +1,4 @@
.TH LIBPNG 3 "December 30, 2016"
.TH LIBPNG 3 "April 1, 2017"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.29beta01
.SH SYNOPSIS
@ -496,7 +496,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT
Libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.5.29beta01 - December 30, 2016
libpng version 1.5.29beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -507,7 +507,7 @@ Libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.5.29beta01 - December 30, 2016
libpng versions 0.97, January 1998, through 1.5.29beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -543,17 +543,17 @@ file format in application programs.
The PNG specification (second edition), November 2003, is available as
a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at
<http://www.w3.org/TR/2003/REC-PNG-20031110/
<https://www.w3.org/TR/2003/REC-PNG-20031110/
The W3C and ISO documents have identical technical content.
The PNG-1.2 specification is available at
<http://png-mng.sourceforge.net/pub/png/spec/1.2/>.
<https://png-mng.sourceforge.io/pub/png/spec/1.2/>.
It is technically equivalent
to the PNG specification (second edition) but has some additional material.
The PNG-1.0 specification is available as RFC 2083
<http://png-mng.sourceforge.net/pub/png/spec/1.0/> and as a
W3C Recommendation <http://www.w3.org/TR/REC-png-961001>.
The PNG-1.0 specification is available as RFC 2083
<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
W3C Recommendation <https://www.w3.org/TR/REC-png-961001>.
Some additional chunks are described in the special-purpose public chunks
documents at <http://www.libpng.org/pub/png/spec/register/>
@ -4101,7 +4101,7 @@ However, there are some uncertainties about the status of local variables
after a longjmp, so the user may want to be careful about doing anything
after setjmp returns non-zero besides returning itself. Consult your
compiler documentation for more details. For an alternative approach, you
may wish to use the "cexcept" facility (see http://cexcept.sourceforge.net),
may wish to use the "cexcept" facility (see https://cexcept.sourceforge.io/),
which is illustrated in pngvalid.c and in contrib/visupng.
Beginning in libpng-1.4.0, the png_set_benign_errors() API became available.
@ -4318,7 +4318,7 @@ in a MNG datastream. As a minimum, it must have the MNG 8-byte signature
and the MHDR and MEND chunks. Libpng does not provide support for these
or any other MNG chunks; your application must provide its own support for
them. You may wish to consider using libmng (available at
http://www.libmng.com) instead.
https://www.libmng.com/) instead.
.SH VII. Changes to Libpng from version 0.88
@ -4865,7 +4865,7 @@ control. The git repository was built from old libpng-x.y.z.tar.gz files
going back to version 0.70. You can access the git repository (read only)
at
git://git.code.sf.net/p/libpng/code
https://git.code.sf.net/p/libpng/code.git
or you can browse it with a web browser by selecting the "code" button at
@ -4875,7 +4875,7 @@ Patches can be sent to glennrp at users.sourceforge.net or to
png-mng-implement at lists.sourceforge.net or you can upload them to
the libpng bug tracker at
http://libpng.sourceforge.net
https://libpng.sourceforge.io/
We also accept patches built from the tar or zip distributions, and
simple verbal discriptions of bug fixes, reported either to the
@ -4885,7 +4885,7 @@ mailing list, or directly to glennrp.
.SH XIII. Coding style
Our coding style is similar to the "Allman" style
(See http://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
(See https://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
braces on separate lines:
if (condition)
@ -4975,7 +4975,7 @@ preprocessor macros begin with "PNG". We request that applications that
use libpng *not* begin any of their own symbols with either of these strings.
Control keywords if, for, while, and switch are always followed by a space
to distinguish them from function calls, which have no trailing space.
to distinguish them from function calls, which have no trailing space.
We put a space after each comma and after each semicolon
in "for" statements, and we put spaces before and after each
@ -5167,7 +5167,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.5.29beta01 - December 30, 2016:
Libpng version 1.5.29beta01 - April 1, 2017:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -5192,7 +5192,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000, through 1.5.29beta01, December 30, 2016, are
libpng versions 1.0.7, July 1, 2000, through 1.5.29beta01, April 1, 2017, are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals
@ -5316,7 +5316,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
December 30, 2016
April 1, 2017
.\" end of man page

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@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "December 30, 2016"
.TH LIBPNGPF 3 "April 1, 2017"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.29beta01
(private functions)

10
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "December 30, 2016"
.TH PNG 5 "April 1, 2017"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
@ -23,11 +23,11 @@ platforms.
PNG specification (second edition), November 2003:
.IP
.br
<http://www.w3.org/TR/2003/REC-PNG-20031110/
<https://www.w3.org/TR/2003/REC-PNG-20031110/
PNG 1.2 specification, July 1999:
.IP
.br
http://png-mng.sourceforge.net/pub/png/spec/1.2/
https://png-mng.sourceforge.io/pub/png/spec/1.2/
.LP
PNG 1.0 specification, October 1996:
.IP
@ -35,11 +35,11 @@ PNG 1.0 specification, October 1996:
RFC 2083
.IP
.br
http://www.ietf.org/rfc/rfc2083.txt
https://www.ietf.org/rfc/rfc2083.txt
.br
or (as a W3C Recommendation) at
.br
http://www.w3.org/TR/REC-png-961001
https://www.w3.org/TR/REC-png-961001
.SH AUTHORS
This man page: Glenn Randers-Pehrson
.LP

4
png.c
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@ -656,14 +656,14 @@ png_get_copyright(png_const_structp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.5.29beta01 - March 30, 2017" PNG_STRING_NEWLINE \
"libpng version 1.5.29beta01 - April 1, 2017" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.5.29beta01 - March 30, 2017\
return "libpng version 1.5.29beta01 - April 1, 2017\
Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";

12
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.5.29beta01, December 30, 2016
* libpng version 1.5.29beta01, April 1, 2017
*
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -12,7 +12,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.5.29beta01, December 30, 2016:
* libpng versions 0.97, January 1998, through 1.5.29beta01, April 1, 2017:
* Glenn Randers-Pehrson.
* See also "Contributing Authors", below.
*/
@ -25,7 +25,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.0.7, July 1, 2000 through 1.5.29beta01, December 30, 2016 are
* libpng versions 1.0.7, July 1, 2000 through 1.5.29beta01, April 1, 2017 are
* Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
* derived from libpng-1.0.6, and are distributed according to the same
* disclaimer and license as libpng-1.0.6 with the following individuals
@ -228,14 +228,14 @@
*
* See libpng.txt or libpng.3 for more information. The PNG specification
* is available as a W3C Recommendation and as an ISO Specification,
* <http://www.w3.org/TR/2003/REC-PNG-20031110/
* <https://www.w3.org/TR/2003/REC-PNG-20031110/
*/
/*
* Y2K compliance in libpng:
* =========================
*
* December 30, 2016
* April 1, 2017
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -304,7 +304,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.5.29beta01"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.5.29beta01 - December 30, 2016\n"
" libpng version 1.5.29beta01 - April 1, 2017\n"
#define PNG_LIBPNG_VER_SONUM 15
#define PNG_LIBPNG_VER_DLLNUM 15

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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.5.29beta01, December 30, 2016
* libpng version 1.5.29beta01, April 1, 2017
*
* Copyright (c) 1998-2002,2004,2006-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -3186,7 +3186,7 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
* using the equation given in Poynton's ColorFAQ of 1998-01-04 at
* <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008 but
* versions dated 1998 through November 2002 have been archived at
* http://web.archive.org/web/20000816232553/http://www.inforamp.net/
* https://web.archive.org/web/20000816232553/www.inforamp.net/
* ~poynton/notes/colour_and_gamma/ColorFAQ.txt )
* Charles Poynton poynton at poynton.com
*

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@ -126,7 +126,7 @@ $# to work, download Brian Kernighan's awk (Brian Kernighan is the author of
$# awk.) You can find source code and a built executable (called awk95.exe)
$# here:
$#
$# http://www.cs.princeton.edu/~bwk/btl.mirror/
$# https://www.cs.princeton.edu/~bwk/btl.mirror/
$#
$# The executable works just fine.
$#

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@ -1,7 +1,7 @@
VisualStudio instructions
libpng version 1.5.29beta01 - December 30, 2016
libpng version 1.5.29beta01 - April 1, 2017
Copyright (c) 2010,2013,2016 Glenn Randers-Pehrson

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@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source
*
* libpng version 1.5.29beta01 - December 30, 2016
* libpng version 1.5.29beta01 - April 1, 2017
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
*

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@ -1,5 +1,5 @@
Makefiles for libpng version 1.5.29beta01 - December 30, 2016
Makefiles for libpng version 1.5.29beta01 - April 1, 2017
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile

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@ -1,7 +1,7 @@
/* 1.5.29beta01 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
/* libpng version 1.5.29beta01 - December 30, 2016 */
/* libpng version 1.5.29beta01 - April 1, 2017 */
/* Copyright (c) 2011-2015 Glenn Randers-Pehrson */