[libpng16] Free the unknown_chunks structure even when it contains no data.
This commit is contained in:
Glenn Randers-Pehrson
parent
06ee532286
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3645008e22
5
ANNOUNCE
5
ANNOUNCE
@ -1,4 +1,4 @@
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Libpng 1.6.17rc02 - March 8, 2015
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Libpng 1.6.17rc02 - March 9, 2015
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -68,9 +68,10 @@ Version 1.6.17beta06 [February 27, 2015]
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Version 1.6.17rc01 [March 4, 2015]
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No changes.
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Version 1.6.17rc02 [March 8, 2015]
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Version 1.6.17rc02 [March 9, 2015]
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Removed some comments that the configure script did not handle
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properly from scripts/pnglibconf.dfa and pnglibconf.h.prebuilt.
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Free the unknown_chunks structure even when it contains no data.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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3
CHANGES
3
CHANGES
@ -5169,9 +5169,10 @@ Version 1.6.17beta06 [February 27, 2015]
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Version 1.6.17rc01 [March 4, 2015]
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No changes.
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Version 1.6.17rc02 [March 8, 2015]
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Version 1.6.17rc02 [March 9, 2015]
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Removed some comments that the configure script did not handle
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properly from scripts/pnglibconf.dfa and pnglibconf.h.prebuilt.
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Free the unknown_chunks structure even when it contains no data.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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@ -1,6 +1,6 @@
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libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.6.17rc02 - March 7, 2015
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libpng version 1.6.17rc02 - March 9, 2015
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2015 Glenn Randers-Pehrson
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@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.6.17rc02 - March 7, 2015
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libpng versions 0.97, January 1998, through 1.6.17rc02 - March 9, 2015
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2015 Glenn Randers-Pehrson
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@ -1994,7 +1994,7 @@ value when you call it in this position:
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png_set_gamma(png_ptr, screen_gamma, 0.45455);
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If you need to reduce an RGB file to a paletted file, or if a paletted
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file has more entries then will fit on your screen, png_set_quantize()
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file has more entries than will fit on your screen, png_set_quantize()
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will do that. Note that this is a simple match quantization that merely
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finds the closest color available. This should work fairly well with
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optimized palettes, but fairly badly with linear color cubes. If you
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@ -5032,6 +5032,10 @@ The signatures of many exported functions were changed, such that
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png_infop became png_inforp or png_const_inforp
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where "rp" indicates a "restricted pointer".
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The support for FAR/far types has been eliminated and the definition of
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png_alloc_size_t is now controlled by a flag so that 'small size_t' systems
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can select it if necessary.
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Error detection in some chunks has improved; in particular the iCCP chunk
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reader now does pretty complete validation of the basic format. Some bad
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profiles that were previously accepted are now accepted with a warning or
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@ -5275,7 +5279,7 @@ Other rules can be inferred by inspecting the libpng source.
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XVI. Y2K Compliance in libpng
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March 7, 2015
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March 9, 2015
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Since the PNG Development group is an ad-hoc body, we can't make
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an official declaration.
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20
libpng.3
20
libpng.3
@ -1,4 +1,4 @@
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.TH LIBPNG 3 "March 7, 2015"
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.TH LIBPNG 3 "March 9, 2015"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.6.17rc02
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.SH SYNOPSIS
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@ -504,7 +504,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
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.SH LIBPNG.TXT
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libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.6.17rc02 - March 7, 2015
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libpng version 1.6.17rc02 - March 9, 2015
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2015 Glenn Randers-Pehrson
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@ -515,7 +515,7 @@ libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.6.17rc02 - March 7, 2015
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libpng versions 0.97, January 1998, through 1.6.17rc02 - March 9, 2015
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2015 Glenn Randers-Pehrson
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@ -2498,7 +2498,7 @@ value when you call it in this position:
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png_set_gamma(png_ptr, screen_gamma, 0.45455);
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If you need to reduce an RGB file to a paletted file, or if a paletted
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file has more entries then will fit on your screen, png_set_quantize()
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file has more entries than will fit on your screen, png_set_quantize()
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will do that. Note that this is a simple match quantization that merely
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finds the closest color available. This should work fairly well with
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optimized palettes, but fairly badly with linear color cubes. If you
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@ -5536,6 +5536,10 @@ The signatures of many exported functions were changed, such that
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png_infop became png_inforp or png_const_inforp
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where "rp" indicates a "restricted pointer".
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The support for FAR/far types has been eliminated and the definition of
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png_alloc_size_t is now controlled by a flag so that 'small size_t' systems
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can select it if necessary.
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Error detection in some chunks has improved; in particular the iCCP chunk
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reader now does pretty complete validation of the basic format. Some bad
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profiles that were previously accepted are now accepted with a warning or
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@ -5779,7 +5783,7 @@ Other rules can be inferred by inspecting the libpng source.
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.SH XVI. Y2K Compliance in libpng
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March 7, 2015
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March 9, 2015
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Since the PNG Development group is an ad-hoc body, we can't make
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an official declaration.
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@ -6095,7 +6099,7 @@ possible without all of you.
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Thanks to Frank J. T. Wojcik for helping with the documentation.
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Libpng version 1.6.17rc02 - March 7, 2015:
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Libpng version 1.6.17rc02 - March 9, 2015:
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Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
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Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
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@ -6118,7 +6122,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.2.6, August 15, 2004, through 1.6.17rc02, March 7, 2015, are
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libpng versions 1.2.6, August 15, 2004, through 1.6.17rc02, March 9, 2015, are
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Copyright (c) 2004,2006-2014 Glenn Randers-Pehrson, and are
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distributed according to the same disclaimer and license as libpng-1.2.5
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with the following individual added to the list of Contributing Authors
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@ -6217,7 +6221,7 @@ certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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March 7, 2015
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March 9, 2015
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.\" end of man page
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10
png.c
10
png.c
@ -546,8 +546,6 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
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}
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else
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{
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if (info_ptr->splt_palettes_num != 0)
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{
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int i;
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@ -560,7 +558,6 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
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png_free(png_ptr, info_ptr->splt_palettes);
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info_ptr->splt_palettes = NULL;
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info_ptr->splt_palettes_num = 0;
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}
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info_ptr->valid &= ~PNG_INFO_sPLT;
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}
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}
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@ -580,8 +577,6 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
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{
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int i;
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if (info_ptr->unknown_chunks_num != 0)
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{
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for (i = 0; i < info_ptr->unknown_chunks_num; i++)
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png_free(png_ptr, info_ptr->unknown_chunks[i].data);
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@ -590,7 +585,6 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
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info_ptr->unknown_chunks_num = 0;
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}
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}
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}
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#endif
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#ifdef PNG_hIST_SUPPORTED
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@ -772,13 +766,13 @@ png_get_copyright(png_const_structrp png_ptr)
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#else
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# ifdef __STDC__
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return PNG_STRING_NEWLINE \
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"libpng version 1.6.17rc02 - March 7, 2015" PNG_STRING_NEWLINE \
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"libpng version 1.6.17rc02 - March 9, 2015" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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PNG_STRING_NEWLINE;
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# else
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return "libpng version 1.6.17rc02 - March 7, 2015\
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return "libpng version 1.6.17rc02 - March 9, 2015\
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Copyright (c) 1998-2015 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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