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[libpng12] Quiet an uninitialized memory warning from VC2013 in png_get_png().

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This commit is contained in:
Glenn Randers-Pehrson 2014-01-30 15:37:05 -06:00
parent 7c8ba2c0f6
commit 39126d5707
3 changed files with 28 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
ANNOUNCE
View File

@ -1,5 +1,5 @@
Libpng 1.2.51rc01 - January 28, 2014
Libpng 1.2.51rc02 - January 30, 2014
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.
@ -9,36 +9,36 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.2.51rc01.tar.xz (LZMA-compressed, recommended)
libpng-1.2.51rc01.tar.gz
libpng-1.2.51rc01.tar.bz2
libpng-1.2.51rc02.tar.xz (LZMA-compressed, recommended)
libpng-1.2.51rc02.tar.gz
libpng-1.2.51rc02.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
libpng-1.2.51rc01-no-config.tar.xz (LZMA-compressed, recommended)
libpng-1.2.51rc01-no-config.tar.gz
libpng-1.2.51rc01-no-config.tar.bz2
libpng-1.2.51rc02-no-config.tar.xz (LZMA-compressed, recommended)
libpng-1.2.51rc02-no-config.tar.gz
libpng-1.2.51rc02-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp1251r01.zip
lp1251r01.7z
lp1251r01.tar.bz2
lp1251r02.zip
lp1251r02.7z
lp1251r02.tar.bz2
Project files
libpng-1.2.51rc01-project-netware.zip
libpng-1.2.51rc01-project-wince.zip
libpng-1.2.51rc02-project-netware.zip
libpng-1.2.51rc02-project-wince.zip
Other information:
libpng-1.2.51rc01-README.txt
libpng-1.2.51rc01-KNOWNBUGS.txt
libpng-1.2.51rc01-LICENSE.txt
libpng-1.2.51rc01-Y2K-compliance.txt
libpng-1.2.51rc01-[previous version]-diff.txt
libpng-1.2.51rc02-README.txt
libpng-1.2.51rc02-KNOWNBUGS.txt
libpng-1.2.51rc02-LICENSE.txt
libpng-1.2.51rc02-Y2K-compliance.txt
libpng-1.2.51rc02-[previous version]-diff.txt
Changes since the last public release (1.2.50):
@ -66,6 +66,9 @@ version 1.2.51beta05 [January 22, 2014]
version 1.2.51rc01 [January 28, 2014]
No changes.
version 1.2.51rc02 [January 30, 2014]
Quiet an uninitialized memory warning from VC2013 in png_get_png().
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
to subscribe) or to glennrp at users.sourceforge.net

3
CHANGES
View File

@ -2801,6 +2801,9 @@ version 1.2.51beta05 [January 22, 2014]
version 1.2.51rc01 [January 28, 2014]
No changes.
version 1.2.51rc02 [January 30, 2014]
Quiet an uninitialized memory warning from VC2013 in png_get_png().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement

16
pngread.c
View File

@ -1,8 +1,8 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.2.48 [March 8, 2012]
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* Last changed in libpng 1.2.51 [%RDATE%]
* Copyright (c) 1998-2014 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.)
*
@ -1405,7 +1405,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
if (transforms & PNG_TRANSFORM_EXPAND)
if ((png_ptr->bit_depth < 8) ||
(png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ||
(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)))
(info_ptr->valid & PNG_INFO_tRNS))
png_set_expand(png_ptr);
#endif
@ -1424,14 +1424,8 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
* [0,65535] to the original [0,7] or [0,31], or whatever range the
* colors were originally in:
*/
if ((transforms & PNG_TRANSFORM_SHIFT)
&& png_get_valid(png_ptr, info_ptr, PNG_INFO_sBIT))
{
png_color_8p sig_bit;
png_get_sBIT(png_ptr, info_ptr, &sig_bit);
png_set_shift(png_ptr, sig_bit);
}
if ((transforms & PNG_TRANSFORM_SHIFT) && (info_ptr->valid & PNG_INFO_sBIT))
png_set_shift(png_ptr, &info_ptr->sig_bit);
#endif
#ifdef PNG_READ_BGR_SUPPORTED