[libpng16] Imported from libpng-1.6.27beta01.tarv1.6.27beta01

16 files changed, 35 insertions, 32 deletions

diff --git a/ANNOUNCE b/ANNOUNCE
index c3e6de2bc..11a7e1254 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.27beta01 - October 28, 2016
+Libpng 1.6.27beta01 - November 2, 2016
 
 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.
@@ -25,9 +25,11 @@ Other information:
 
 Changes since the last public release (1.6.26):
 
-Version 1.6.27beta01 [October 28, 2016]
+Version 1.6.27beta01 [November 2, 2016]
   Restrict the new ADLER32-skipping to IDAT chunks.  It broke iCCP chunk
-    handling.
+    handling: an erroneous iCCP chunk would throw a png_error and reject the
+    entire PNG image instead of rejecting just the iCCP chunk with a warning,
+    if build with zlib-1.2.8.1.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index b6dae0fc5..676bb2076 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5754,9 +5754,11 @@ Version 1.6.26 [October 20, 2016]
   Cosmetic change, "ptr != 0" to "ptr != NULL" in png.c and pngrutil.c
   Despammed email addresses (replaced "@" with " at ").
 
-Version 1.6.27beta01 [October 28, 2016]
+Version 1.6.27beta01 [November 2, 2016]
   Restrict the new ADLER32-skipping to IDAT chunks.  It broke iCCP chunk
-    handling.
+    handling: an erroneous iCCP chunk would throw a png_error and reject the
+    entire PNG image instead of rejecting just the iCCP chunk with a warning,
+    if build with zlib-1.2.8.1.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/LICENSE b/LICENSE
index 8a3fc223a..0f7c16180 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.6.27beta01, October 28, 2016 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.27beta01, November 2, 2016 are
 Copyright (c) 2000-2002, 2004, 2006-2016 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
@@ -127,4 +127,4 @@ any encryption software.  See the EAR, paragraphs 734.3(b)(3) and
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-October 28, 2016
+November 2, 2016
diff --git a/README b/README
index 81de87279..d22af23c3 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.6.27beta01 - October 28, 2016 (shared library 16.0)
+README for libpng version 1.6.27beta01 - November 2, 2016 (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.
diff --git a/TODO b/TODO
index cdb9e1fa8..fe9de4bf0 100644
--- a/TODO
+++ b/TODO
@@ -7,7 +7,7 @@ Fix problem with C++ and EXTERN "C".
 cHRM transformation.
 Remove setjmp/longjmp usage in favor of returning error codes. As a start on
   this, minimize the use of png_error(), replacing them with
-  png_warning(); return(0; or similar.
+  png_warning(); return(0); or similar.
 Palette creation.
 Add "grayscale->palette" transformation and "palette->grayscale" detection.
 Improved dithering.
@@ -24,7 +24,6 @@ Use greater precision when changing to linear gamma for compositing against
   background and doing rgb-to-gray transformation.
 Investigate pre-incremented loop counters and other loop constructions.
 Add interpolated method of handling interlacing.
-Switch to the simpler zlib (zlib/libpng) license if legally possible.
 Extend pngvalid.c to validate more of the libpng transformations.
 
 */
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 5e3411765..d8c73ba4f 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.27beta01 - October 28, 2016
+ libpng version 1.6.27beta01 - November 2, 2016
  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 1.6.27beta01 - October 28, 2016
+ libpng versions 0.97, January 1998, through 1.6.27beta01 - November 2, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
diff --git a/libpng.3 b/libpng.3
index 73d5e4957..6eefa5a10 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "October 28, 2016"
+.TH LIBPNG 3 "November 2, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.27beta01
 .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 1.6.27beta01 - October 28, 2016
+ libpng version 1.6.27beta01 - November 2, 2016
  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 1.6.27beta01 - October 28, 2016
+ libpng versions 0.97, January 1998, through 1.6.27beta01 - November 2, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
@@ -6023,7 +6023,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.6.27beta01 - October 28, 2016:
+Libpng version 1.6.27beta01 - November 2, 2016:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -6048,7 +6048,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.6.27beta01, October 28, 2016 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.27beta01, November 2, 2016 are
 Copyright (c) 2000-2002, 2004, 2006-2016 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
@@ -6173,7 +6173,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-October 28, 2016
+November 2, 2016
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 0696061f0..3444b74e3 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "October 28, 2016"
+.TH LIBPNGPF 3 "November 2, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.27beta01
 (private functions)
diff --git a/png.5 b/png.5
index 3b01ffde7..d710db69e 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "October 28, 2016"
+.TH PNG 5 "November 2, 2016"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 33ea84fa6..e2bb8c159 100644
--- a/png.c
+++ b/png.c
@@ -775,14 +775,14 @@ png_get_copyright(png_const_structrp png_ptr)
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-      "libpng version 1.6.27beta01 - October 28, 2016" PNG_STRING_NEWLINE \
+      "libpng version 1.6.27beta01 - November 2, 2016" PNG_STRING_NEWLINE \
       "Copyright (c) 1998-2002,2004,2006-2016 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 1.6.27beta01 - October 28, 2016\
+   return "libpng version 1.6.27beta01 - November 2, 2016\
       Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
diff --git a/png.h b/png.h
index 8e1ce5758..8efd23265 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.6.27beta01, October 28, 2016
+ * libpng version 1.6.27beta01, November 2, 2016
  *
  * Copyright (c) 1998-2002,2004,2006-2016 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 1.6.27beta01, October 28, 2016:
+ *   libpng versions 0.97, January 1998, through 1.6.27beta01, November 2, 2016:
  *     Glenn Randers-Pehrson.
  *   See also "Contributing Authors", below.
  */
@@ -29,7 +29,7 @@
  * files that are distributed with libpng have other copyright owners and
  * are released under other open source licenses.
  *
- * libpng versions 1.0.7, July 1, 2000 through 1.6.27beta01, October 28, 2016 are
+ * libpng versions 1.0.7, July 1, 2000 through 1.6.27beta01, November 2, 2016 are
  * Copyright (c) 2000-2002, 2004, 2006-2016 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
@@ -246,7 +246,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    October 28, 2016
+ *    November 2, 2016
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -315,7 +315,7 @@
 
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.6.27beta01"
-#define PNG_HEADER_VERSION_STRING " libpng version 1.6.27beta01 - October 28, 2016\n"
+#define PNG_HEADER_VERSION_STRING " libpng version 1.6.27beta01 - November 2, 2016\n"
 
 #define PNG_LIBPNG_VER_SONUM   16
 #define PNG_LIBPNG_VER_DLLNUM  16
diff --git a/pngconf.h b/pngconf.h
index 2c68ead92..c33e3dca6 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.6.27beta01, October 28, 2016
+ * libpng version 1.6.27beta01, November 2, 2016
  *
  * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/projects/vstudio/README.txt b/projects/vstudio/README.txt
index 0e0507a51..e94217e48 100644
--- a/projects/vstudio/README.txt
+++ b/projects/vstudio/README.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.6.27beta01 - October 28, 2016
+libpng version 1.6.27beta01 - November 2, 2016
 
 Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 88c0eb7b3..558443c55 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.27beta01 - October 28, 2016
+ * libpng version 1.6.27beta01 - November 2, 2016
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 7b51cfdf1..80e57421e 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.6.27beta01 - October 28, 2016
+Makefiles for  libpng version 1.6.27beta01 - November 2, 2016
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index 6ce27a47e..f71567825 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -2,7 +2,7 @@
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng version 1.6.27beta01 - October 28, 2016 */
+/* Libpng version 1.6.27beta01 - November 2, 2016 */
 
 /* Copyright (c) 1998-2015 Glenn Randers-Pehrson */