[libpng16] Imported from libpng-1.6.30beta01.tar

This commit is contained in:
Glenn Randers-Pehrson 2017-04-01 09:27:08 -05:00
parent b3ffdc5991
commit 82add753e5
15 changed files with 64 additions and 62 deletions

View File

@ -1,4 +1,4 @@
Libpng 1.6.30beta01 - March 30, 2017
Libpng 1.6.30beta01 - 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.
@ -25,11 +25,12 @@ Other information:
Changes since the last public release (1.6.29):
Version 1.6.30beta01 [March 30, 2017]
Version 1.6.30beta01 [April 1, 2017]
Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in
makefile.linux and makefile.solaris-x86 (Cosmin).
Revised documentation of png_get_error_ptr() in the libpng manual.
Silence clang -Wcomma and const drop warnings (Viktor SzaKats).
Silence clang -Wcomma and const drop 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

View File

@ -5818,11 +5818,12 @@ Version 1.6.29beta03 [March 1, 2017]
Version 1.6.29 [March 16, 2017]
No changes.
Version 1.6.30beta01 [March 30, 2017]
Version 1.6.30beta01 [April 1, 2017]
Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in
makefile.linux and makefile.solaris-x86 (Cosmin).
Revised documentation of png_get_error_ptr() in the libpng manual.
Silence clang -Wcomma and const drop warnings (Viktor SzaKats).
Silence clang -Wcomma and const drop 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

View File

@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.30beta01, March 16, 2017 are
libpng versions 1.0.7, July 1, 2000 through 1.6.30beta01, 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
@ -130,4 +130,4 @@ any encryption software. See the EAR, paragraphs 734.3(b)(3) and
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
March 16, 2017
April 1, 2017

2
README
View File

@ -1,4 +1,4 @@
README for libpng version 1.6.30beta01 - March 16, 2017 (shared library 16.0)
README for libpng version 1.6.30beta01 - April 1, 2017 (shared library 16.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.

View File

@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.30beta01 - March 28, 2017
libpng version 1.6.30beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2016 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 1.6.30beta01 - March 28, 2017
libpng versions 0.97, January 1998, through 1.6.30beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -66,17 +66,17 @@ 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
<https://www.w3.org/TR/2003/REC-PNG-20031110/
<http://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
<https://png-mng.sourceforge.io/pub/png/spec/1.2/>.
<http://png-mng.sourceforge.net/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
<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
W3C Recommendation <https://www.w3.org/TR/REC-png-961001>.
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>.
Some additional chunks are described in the special-purpose public chunks
documents at <http://www.libpng.org/pub/png/spec/register/>
@ -3824,7 +3824,7 @@ PNG_FORMAT_FLAG_LINEAR flag below.
When the simplified API needs to convert between sRGB and linear colorspaces,
the actual sRGB transfer curve defined in the sRGB specification (see the
article at https://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
approximation used elsewhere in libpng.
When an alpha channel is present it is expected to denote pixel coverage
@ -4088,7 +4088,7 @@ READ APIs
When the simplified API needs to convert between sRGB and linear colorspaces,
the actual sRGB transfer curve defined in the sRGB specification (see the
article at https://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
approximation used elsewhere in libpng.
WRITE APIS
@ -4269,7 +4269,7 @@ 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 https://cexcept.sourceforge.io/),
may wish to use the "cexcept" facility (see http://cexcept.sourceforge.net),
which is illustrated in pngvalid.c and in contrib/visupng.
Beginning in libpng-1.4.0, the png_set_benign_errors() API became available.
@ -4497,7 +4497,7 @@ 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
https://www.libmng.com/) instead.
http://www.libmng.com) instead.
VIII. Changes to Libpng from version 0.88
@ -5197,7 +5197,7 @@ 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
https://git.code.sf.net/p/libpng/code.git
git://git.code.sf.net/p/libpng/code
or you can browse it with a web browser by selecting the "code" button at
@ -5207,7 +5207,7 @@ 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
https://libpng.sourceforge.io/
http://libpng.sourceforge.net
We also accept patches built from the tar or zip distributions, and
simple verbal discriptions of bug fixes, reported either to the
@ -5217,7 +5217,7 @@ mailing list, or directly to glennrp.
XV. Coding style
Our coding style is similar to the "Allman" style
(See https://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
(See http://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
braces on separate lines:
if (condition)
@ -5318,7 +5318,7 @@ Prior to libpng-1.6.0 we used a "png_sizeof()" macro, formatted as
though it were a function.
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
@ -5344,7 +5344,7 @@ for a few type names that we inherit from zlib.h.
We prefer "if (something != 0)" and "if (something == 0)" over
"if (something)" and if "(!something)", respectively, and for pointers
we prefer "if (some_pointer != NULL)" or "if (some_pointer == NULL)".
we prefer "if (some_pointer != NULL)" or "if (some_pointer == NULL)".
We do not use the TAB character for indentation in the C sources.

View File

@ -1,4 +1,4 @@
.TH LIBPNG 3 "March 28, 2017"
.TH LIBPNG 3 "April 1, 2017"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.30beta01
.SH SYNOPSIS
@ -510,7 +510,7 @@ 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 1.6.30beta01 - March 28, 2017
libpng version 1.6.30beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -521,7 +521,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.30beta01 - March 28, 2017
libpng versions 0.97, January 1998, through 1.6.30beta01 - April 1, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -576,17 +576,17 @@ 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
<https://www.w3.org/TR/2003/REC-PNG-20031110/
<http://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
<https://png-mng.sourceforge.io/pub/png/spec/1.2/>.
<http://png-mng.sourceforge.net/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
<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
W3C Recommendation <https://www.w3.org/TR/REC-png-961001>.
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>.
Some additional chunks are described in the special-purpose public chunks
documents at <http://www.libpng.org/pub/png/spec/register/>
@ -4334,7 +4334,7 @@ PNG_FORMAT_FLAG_LINEAR flag below.
When the simplified API needs to convert between sRGB and linear colorspaces,
the actual sRGB transfer curve defined in the sRGB specification (see the
article at https://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
approximation used elsewhere in libpng.
When an alpha channel is present it is expected to denote pixel coverage
@ -4598,7 +4598,7 @@ READ APIs
When the simplified API needs to convert between sRGB and linear colorspaces,
the actual sRGB transfer curve defined in the sRGB specification (see the
article at https://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2
approximation used elsewhere in libpng.
WRITE APIS
@ -4779,7 +4779,7 @@ 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 https://cexcept.sourceforge.io/),
may wish to use the "cexcept" facility (see http://cexcept.sourceforge.net),
which is illustrated in pngvalid.c and in contrib/visupng.
Beginning in libpng-1.4.0, the png_set_benign_errors() API became available.
@ -5007,7 +5007,7 @@ 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
https://www.libmng.com/) instead.
http://www.libmng.com) instead.
.SH VIII. Changes to Libpng from version 0.88
@ -5707,7 +5707,7 @@ 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
https://git.code.sf.net/p/libpng/code.git
git://git.code.sf.net/p/libpng/code
or you can browse it with a web browser by selecting the "code" button at
@ -5717,7 +5717,7 @@ 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
https://libpng.sourceforge.io/
http://libpng.sourceforge.net
We also accept patches built from the tar or zip distributions, and
simple verbal discriptions of bug fixes, reported either to the
@ -5727,7 +5727,7 @@ mailing list, or directly to glennrp.
.SH XV. Coding style
Our coding style is similar to the "Allman" style
(See https://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
(See http://en.wikipedia.org/wiki/Indent_style#Allman_style), with curly
braces on separate lines:
if (condition)
@ -5828,7 +5828,7 @@ Prior to libpng-1.6.0 we used a "png_sizeof()" macro, formatted as
though it were a function.
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
@ -5854,7 +5854,7 @@ for a few type names that we inherit from zlib.h.
We prefer "if (something != 0)" and "if (something == 0)" over
"if (something)" and if "(!something)", respectively, and for pointers
we prefer "if (some_pointer != NULL)" or "if (some_pointer == NULL)".
we prefer "if (some_pointer != NULL)" or "if (some_pointer == NULL)".
We do not use the TAB character for indentation in the C sources.
@ -5987,7 +5987,7 @@ release number plus "betaNN" or "rcNN".
.LP
.IR libpng :
.IP
https://libpng.sourceforge.io/ (follow the [DOWNLOAD] link)
http://libpng.sourceforge.net (follow the [DOWNLOAD] link)
http://www.libpng.org/pub/png
.LP
@ -5997,7 +5997,7 @@ http://www.libpng.org/pub/png
.I libpng
or at
.br
http://zlib.net/
ftp://ftp.info-zip.org/pub/infozip/zlib
.LP
.IR PNG specification: RFC 2083
@ -6006,11 +6006,11 @@ http://zlib.net/
.I libpng
or at
.br
https://www.ietf.org/rfc/rfc2083.txt
ftp://ftp.rfc-editor.org:/in-notes/rfc2083.txt
.br
or (as a W3C Recommendation) at
.br
https://www.w3.org/TR/REC-png.html
http://www.w3.org/TR/REC-png.html
.LP
In the case of any inconsistency between the PNG specification
@ -6026,7 +6026,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.30beta01 - March 28, 2017:
Libpng version 1.6.30beta01 - 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).
@ -6051,7 +6051,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.30beta01, March 28, 2017 are
libpng versions 1.0.7, July 1, 2000 through 1.6.30beta01, 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
@ -6179,7 +6179,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
March 28, 2017
April 1, 2017
.\" end of man page

View File

@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "March 16, 2017"
.TH LIBPNGPF 3 "April 1, 2017"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.30beta01
(private functions)

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "March 16, 2017"
.TH PNG 5 "April 1, 2017"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

4
png.c
View File

@ -776,14 +776,14 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.6.30beta01 - March 30, 2017" PNG_STRING_NEWLINE \
"libpng version 1.6.30beta01 - 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 1.6.30beta01 - March 30, 2017\
return "libpng version 1.6.30beta01 - 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.";

10
png.h
View File

@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.30beta01, March 30, 2017
* libpng version 1.6.30beta01, 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 1.6.30beta01, March 30, 2017:
* libpng versions 0.97, January 1998, through 1.6.30beta01, 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 1.6.30beta01, March 30, 2017 are
* libpng versions 1.0.7, July 1, 2000 through 1.6.30beta01, 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
@ -241,7 +241,7 @@
* Y2K compliance in libpng:
* =========================
*
* March 30, 2017
* April 1, 2017
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -310,7 +310,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.30beta01"
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.30beta01 - March 30, 2017\n"
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.30beta01 - April 1, 2017\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16

View File

@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.6.30beta01, March 30, 2017
* libpng version 1.6.30beta01, April 1, 2017
*
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

View File

@ -1,7 +1,7 @@
VisualStudio instructions
libpng version 1.6.30beta01 - March 16, 2017
libpng version 1.6.30beta01 - April 1, 2017
Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson

View File

@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source
*
* libpng version 1.6.30beta01 - March 16, 2017
* libpng version 1.6.30beta01 - April 1, 2017
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
*

View File

@ -1,5 +1,5 @@
Makefiles for libpng version 1.6.30beta01 - March 16, 2017
Makefiles for libpng version 1.6.30beta01 - April 1, 2017
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile

View File

@ -2,7 +2,7 @@
/* pnglibconf.h - library build configuration */
/* Libpng version 1.6.30beta01 - March 16, 2017 */
/* Libpng version 1.6.30beta01 - April 1, 2017 */
/* Copyright (c) 1998-2015 Glenn Randers-Pehrson */