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[libpng16] Free the unknown_chunks structure even when it contains no data.

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Glenn Randers-Pehrson
2015-03-09 09:13:58 -05:00
parent 06ee532286
commit 3645008e22
5 changed files with 41 additions and 37 deletions
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12
libpng-manual.txt
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@@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.17rc02 - March 7, 2015
libpng version 1.6.17rc02 - March 9, 2015
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2015 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 1.6.17rc02 - March 7, 2015
libpng versions 0.97, January 1998, through 1.6.17rc02 - March 9, 2015
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2015 Glenn Randers-Pehrson
@@ -1994,7 +1994,7 @@ value when you call it in this position:
png_set_gamma(png_ptr, screen_gamma, 0.45455);
If you need to reduce an RGB file to a paletted file, or if a paletted
file has more entries then will fit on your screen, png_set_quantize()
file has more entries than will fit on your screen, png_set_quantize()
will do that. Note that this is a simple match quantization that merely
finds the closest color available. This should work fairly well with
optimized palettes, but fairly badly with linear color cubes. If you
@@ -5032,6 +5032,10 @@ The signatures of many exported functions were changed, such that
png_infop became png_inforp or png_const_inforp
where "rp" indicates a "restricted pointer".
The support for FAR/far types has been eliminated and the definition of
png_alloc_size_t is now controlled by a flag so that 'small size_t' systems
can select it if necessary.
Error detection in some chunks has improved; in particular the iCCP chunk
reader now does pretty complete validation of the basic format. Some bad
profiles that were previously accepted are now accepted with a warning or
@@ -5275,7 +5279,7 @@ Other rules can be inferred by inspecting the libpng source.
XVI. Y2K Compliance in libpng
March 7, 2015
March 9, 2015
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.