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[libpng15] 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 15:14:22 -06:00
parent 799943a1e6
commit f1dd8adb83
3 changed files with 21 additions and 19 deletions
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20
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.5.18rc01 - January 28, 2014
Libpng 1.5.18rc02 - 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.
@ -9,20 +9,20 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.5.18rc01.tar.xz (LZMA-compressed, recommended)
1.5.18rc01.tar.gz
1.5.18rc01.tar.bz2
1.5.18rc02.tar.xz (LZMA-compressed, recommended)
1.5.18rc02.tar.gz
1.5.18rc02.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp1518r01.7z (LZMA-compressed, recommended)
lp1518r01.zip
lp1518r02.7z (LZMA-compressed, recommended)
lp1518r02.zip
Other information:
1.5.18rc01-README.txt
1.5.18rc01-LICENSE.txt
1.5.18rc02-README.txt
1.5.18rc02-LICENSE.txt
Changes since the last public release (1.5.17):
@ -71,6 +71,10 @@ Version 1.5.18beta05 [January 20, 2014]
Updated scripts/makefile.* to use CPPFLAGS (Cosmin)
Version 1.5.18rc01 [January 28, 2014]
No changes.
Version 1.5.18rc02 [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

4
CHANGES
View File

@ -4195,6 +4195,10 @@ Version 1.5.18beta05 [January 20, 2014]
Updated scripts/makefile.* to use CPPFLAGS (Cosmin)
Version 1.5.18rc01 [January 28, 2014]
No changes.
Version 1.5.18rc02 [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

16
pngread.c
View File

@ -1,8 +1,8 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.5.14 [January 24, 2013]
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* Last changed in libpng 1.5.18 [(PENDING RELEASE)]
* 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.)
*
@ -1191,7 +1191,7 @@ 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
@ -1210,14 +1210,8 @@ 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