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-rw-r--r--thirdparty/libpng/png.c23
-rw-r--r--thirdparty/libpng/png.h44
-rw-r--r--thirdparty/libpng/pngconf.h2
-rw-r--r--thirdparty/libpng/pnglibconf.h4
-rw-r--r--thirdparty/libpng/pngrutil.c23
-rw-r--r--thirdparty/libpng/pngstruct.h6
6 files changed, 45 insertions, 57 deletions
diff --git a/thirdparty/libpng/png.c b/thirdparty/libpng/png.c
index 6d5633cc09..78ce39f46d 100644
--- a/thirdparty/libpng/png.c
+++ b/thirdparty/libpng/png.c
@@ -1,8 +1,8 @@
/* png.c - location for general purpose libpng functions
*
- * Last changed in libpng 1.6.26 [October 20, 2016]
- * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
+ * Last changed in libpng 1.6.28 [January 5, 2017]
+ * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -14,7 +14,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_6_26 Your_png_h_is_not_version_1_6_26;
+typedef png_libpng_version_1_6_28 Your_png_h_is_not_version_1_6_28;
/* Tells libpng that we have already handled the first "num_bytes" bytes
* of the PNG file signature. If the PNG data is embedded into another
@@ -477,6 +477,7 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
png_free(png_ptr, info_ptr->text);
info_ptr->text = NULL;
info_ptr->num_text = 0;
+ info_ptr->max_text = 0;
}
}
#endif
@@ -775,15 +776,15 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
- "libpng version 1.6.26 - October 20, 2016" PNG_STRING_NEWLINE \
- "Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \
+ "libpng version 1.6.28 - January 5, 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 1.6.26 - October 20, 2016\
- Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\
+ return "libpng version 1.6.28 - January 5, 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.";
# endif
@@ -4259,11 +4260,11 @@ png_set_option(png_structrp png_ptr, int option, int onoff)
if (png_ptr != NULL && option >= 0 && option < PNG_OPTION_NEXT &&
(option & 1) == 0)
{
- int mask = 3 << option;
- int setting = (2 + (onoff != 0)) << option;
- int current = png_ptr->options;
+ png_uint_32 mask = 3 << option;
+ png_uint_32 setting = (2 + (onoff != 0)) << option;
+ png_uint_32 current = png_ptr->options;
- png_ptr->options = (png_byte)(((current & ~mask) | setting) & 0xff);
+ png_ptr->options = (png_uint_32)(((current & ~mask) | setting) & 0xff);
return (current & mask) >> option;
}
diff --git a/thirdparty/libpng/png.h b/thirdparty/libpng/png.h
index f0944631e0..e4cf032816 100644
--- a/thirdparty/libpng/png.h
+++ b/thirdparty/libpng/png.h
@@ -1,9 +1,9 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.6.26, October 20, 2016
+ * libpng version 1.6.28, January 5, 2017
*
- * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -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 1.6.26, October 20, 2016:
+ * libpng versions 0.97, January 1998, through 1.6.28, January 5, 2017:
* Glenn Randers-Pehrson.
* See also "Contributing Authors", below.
*/
@@ -25,12 +25,8 @@
*
* This code is released under the libpng license.
*
- * Some files in the "contrib" directory and some configure-generated
- * 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 1.6.26, October 20, 2016 are
- * Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
+ * libpng versions 1.0.7, July 1, 2000 through 1.6.28, January 5, 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
* added to the list of Contributing Authors:
@@ -52,10 +48,10 @@
* risk of satisfactory quality, performance, accuracy, and effort is with
* the user.
*
- * Some files in the "contrib" directory have other copyright owners and
+ * Some files in the "contrib" directory and some configure-generated
+ * files that are distributed with libpng have other copyright owners and
* are released under other open source licenses.
*
- *
* libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
* Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
* libpng-0.96, and are distributed according to the same disclaimer and
@@ -66,9 +62,6 @@
* Glenn Randers-Pehrson
* Willem van Schaik
*
- * Some files in the "scripts" directory have different copyright owners
- * but are also released under this license.
- *
* libpng versions 0.89, June 1996, through 0.96, May 1997, are
* Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
* and are distributed according to the same disclaimer and license as
@@ -214,11 +207,11 @@
* ...
* 1.0.19 10 10019 10.so.0.19[.0]
* ...
- * 1.2.56 13 10256 12.so.0.56[.0]
+ * 1.2.57 13 10257 12.so.0.57[.0]
* ...
- * 1.5.27 15 10527 15.so.15.27[.0]
+ * 1.5.28 15 10527 15.so.15.28[.0]
* ...
- * 1.6.26 16 10626 16.so.16.26[.0]
+ * 1.6.28 16 10628 16.so.16.28[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -246,13 +239,13 @@
* Y2K compliance in libpng:
* =========================
*
- * October 20, 2016
+ * January 5, 2017
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
- * upward through 1.6.26 are Y2K compliant. It is my belief that
+ * upward through 1.6.28 are Y2K compliant. It is my belief that
* earlier versions were also Y2K compliant.
*
* Libpng only has two year fields. One is a 2-byte unsigned integer
@@ -314,8 +307,8 @@
*/
/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.6.26"
-#define PNG_HEADER_VERSION_STRING " libpng version 1.6.26 - October 20, 2016\n"
+#define PNG_LIBPNG_VER_STRING "1.6.28"
+#define PNG_HEADER_VERSION_STRING " libpng version 1.6.28 - January 5, 2017\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
@@ -323,7 +316,7 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 6
-#define PNG_LIBPNG_VER_RELEASE 26
+#define PNG_LIBPNG_VER_RELEASE 28
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
@@ -354,7 +347,7 @@
* version 1.0.0 was mis-numbered 100 instead of 10000). From
* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release
*/
-#define PNG_LIBPNG_VER 10626 /* 1.6.26 */
+#define PNG_LIBPNG_VER 10628 /* 1.6.28 */
/* Library configuration: these options cannot be changed after
* the library has been built.
@@ -464,7 +457,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
-typedef char* png_libpng_version_1_6_26;
+typedef char* png_libpng_version_1_6_28;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
*
@@ -3230,7 +3223,8 @@ PNG_EXPORT(245, int, png_image_write_to_memory, (png_imagep image, void *memory,
#ifdef PNG_MIPS_MSA_API_SUPPORTED
# define PNG_MIPS_MSA 6 /* HARDWARE: MIPS Msa SIMD instructions supported */
#endif
-#define PNG_OPTION_NEXT 8 /* Next option - numbers must be even */
+#define PNG_IGNORE_ADLER32 8
+#define PNG_OPTION_NEXT 10 /* Next option - numbers must be even */
/* Return values: NOTE: there are four values and 'off' is *not* zero */
#define PNG_OPTION_UNSET 0 /* Unset - defaults to off */
diff --git a/thirdparty/libpng/pngconf.h b/thirdparty/libpng/pngconf.h
index 5c891eb8b8..5e8b40bcfb 100644
--- a/thirdparty/libpng/pngconf.h
+++ b/thirdparty/libpng/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
- * libpng version 1.6.26, October 20, 2016
+ * libpng version 1.6.28, January 5, 2017
*
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/thirdparty/libpng/pnglibconf.h b/thirdparty/libpng/pnglibconf.h
index ba7805ff59..ee70573605 100644
--- a/thirdparty/libpng/pnglibconf.h
+++ b/thirdparty/libpng/pnglibconf.h
@@ -1,8 +1,8 @@
-/* libpng 1.6.26 STANDARD API DEFINITION */
+/* libpng 1.6.28 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
-/* Libpng version 1.6.26 - October 20, 2016 */
+/* Libpng version 1.6.28 - January 5, 2017 */
/* Copyright (c) 1998-2015 Glenn Randers-Pehrson */
diff --git a/thirdparty/libpng/pngrutil.c b/thirdparty/libpng/pngrutil.c
index fb5f5f083d..bee0ea1158 100644
--- a/thirdparty/libpng/pngrutil.c
+++ b/thirdparty/libpng/pngrutil.c
@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
- * Last changed in libpng 1.6.26 [October 20, 2016]
+ * Last changed in libpng 1.6.27 [January 5, 2017]
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -418,9 +418,10 @@ png_inflate_claim(png_structrp png_ptr, png_uint_32 owner)
png_ptr->flags |= PNG_FLAG_ZSTREAM_INITIALIZED;
}
-#if ZLIB_VERNUM >= 0x1281
- /* Turn off validation of the ADLER32 checksum */
- if ((png_ptr->flags & PNG_FLAG_CRC_CRITICAL_IGNORE) != 0)
+#if ZLIB_VERNUM >= 0x1281 && \
+ defined(PNG_SET_OPTION_SUPPORTED) && defined(PNG_IGNORE_ADLER32)
+ if (((png_ptr->options >> PNG_IGNORE_ADLER32) & 3) == PNG_OPTION_ON)
+ /* Turn off validation of the ADLER32 checksum in IDAT chunks */
ret = inflateValidate(&png_ptr->zstream, 0);
#endif
@@ -716,7 +717,7 @@ png_decompress_chunk(png_structrp png_ptr,
* the extra space may otherwise be used as a Trojan Horse.
*/
if (ret == Z_STREAM_END &&
- chunklength - prefix_size != lzsize)
+ chunklength - prefix_size != lzsize)
png_chunk_benign_error(png_ptr, "extra compressed data");
}
@@ -826,7 +827,7 @@ png_inflate_read(png_structrp png_ptr, png_bytep read_buffer, uInt read_size,
return Z_STREAM_ERROR;
}
}
-#endif
+#endif /* READ_iCCP */
/* Read and check the IDHR chunk */
@@ -4107,15 +4108,7 @@ png_read_IDAT_data(png_structrp png_ptr, png_bytep output,
png_zstream_error(png_ptr, ret);
if (output != NULL)
- {
- if(!strncmp(png_ptr->zstream.msg,"incorrect data check",20))
- {
- png_chunk_benign_error(png_ptr, "ADLER32 checksum mismatch");
- continue;
- }
- else
- png_chunk_error(png_ptr, png_ptr->zstream.msg);
- }
+ png_chunk_error(png_ptr, png_ptr->zstream.msg);
else /* checking */
{
diff --git a/thirdparty/libpng/pngstruct.h b/thirdparty/libpng/pngstruct.h
index 55516eaaa1..749d7e35b1 100644
--- a/thirdparty/libpng/pngstruct.h
+++ b/thirdparty/libpng/pngstruct.h
@@ -1,8 +1,8 @@
/* pngstruct.h - header file for PNG reference library
*
- * Last changed in libpng 1.6.24 [August 4, 2016]
- * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
+ * Last changed in libpng 1.6.28 [January 5, 2017]
+ * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -353,7 +353,7 @@ struct png_struct_def
/* Options */
#ifdef PNG_SET_OPTION_SUPPORTED
- png_byte options; /* On/off state (up to 4 options) */
+ png_uint_32 options; /* On/off state (up to 16 options) */
#endif
#if PNG_LIBPNG_VER < 10700
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 23:10:15 +0000