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[libpng16] Fixed bug recently introduced in png_set_PLTE() that uses png_ptr

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not info_ptr.
This commit is contained in:
Glenn Randers-Pehrson 2015-11-22 20:53:02 -06:00
parent a1a2ae2a25
commit 0a9afc12de
3 changed files with 7 additions and 3 deletions
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4
ANNOUNCE
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@ -1,4 +1,4 @@
Libpng 1.6.20beta02 - November 22, 2015 Libpng 1.6.20beta02 - November 23, 2015
This is not intended to be a public release. It will be replaced 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. within a few weeks by a public version or by another test version.
@ -30,6 +30,8 @@ Version 1.6.20beta01 [November 20, 2015]
png_handle_pCAL() (Bug report by John Regehr). png_handle_pCAL() (Bug report by John Regehr).
Version 1.6.20beta02 [(PENDING RELEASE)] Version 1.6.20beta02 [(PENDING RELEASE)]
Fixed bug recently introduced in png_set_PLTE() that uses png_ptr
not info_ptr.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

2
CHANGES
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@ -5419,6 +5419,8 @@ Version 1.6.20beta01 [November 20, 2015]
png_handle_pCAL() (Bug report by John Regehr). png_handle_pCAL() (Bug report by John Regehr).
Version 1.6.20beta02 [(PENDING RELEASE)] Version 1.6.20beta02 [(PENDING RELEASE)]
Fixed bug recently introduced in png_set_PLTE() that uses png_ptr
not info_ptr.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

4
pngset.c
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@ -520,8 +520,8 @@ png_set_PLTE(png_structrp png_ptr, png_inforp info_ptr,
if (png_ptr == NULL || info_ptr == NULL) if (png_ptr == NULL || info_ptr == NULL)
return; return;
max_palette_length = (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ? max_palette_length = (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ?
(1 << png_ptr->bit_depth) : PNG_MAX_PALETTE_LENGTH; (1 << info_ptr->bit_depth) : PNG_MAX_PALETTE_LENGTH;
if (num_palette < 0 || num_palette > (int) max_palette_length) if (num_palette < 0 || num_palette > (int) max_palette_length)
{ {