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[libpng17] Quiet an uninitialized memory warning from VS2013 in png_get_png().

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This commit is contained in:
Glenn Randers-Pehrson 2014-01-30 14:42:01 -06:00
parent 6d2b1a7dbc
commit 1bd81ffa21
3 changed files with 8 additions and 12 deletions
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5
ANNOUNCE
View File

@ -1,5 +1,5 @@
Libpng 1.7.0beta29 - January 20, 2014
Libpng 1.7.0beta29 - 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.
@ -493,7 +493,8 @@ Version 1.7.0beta28 [January 20, 2014]
Updated scripts/makefile.* to use CPPFLAGS (Cosmin).
Added clang attribute support (Cosmin).
Version 1.7.0beta29 [January 20, 2014]
Version 1.7.0beta29 [January 30, 2014]
Quiet an uninitialized memory warning from VS2013 in png_get_png().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

3
CHANGES
View File

@ -4782,7 +4782,8 @@ Version 1.7.0beta28 [January 20, 2014]
Updated scripts/makefile.* to use CPPFLAGS (Cosmin).
Added clang attribute support (Cosmin).
Version 1.7.0beta29 [January 20, 2014]
Version 1.7.0beta29 [January 30, 2014]
Quiet an uninitialized memory warning from VS2013 in png_get_png().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

12
pngread.c
View File

@ -1069,7 +1069,7 @@ png_read_png(png_structrp png_ptr, png_inforp 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
@ -1088,14 +1088,8 @@ png_read_png(png_structrp png_ptr, png_inforp 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