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[libpng15] 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 20:47:45 -06:00
parent 69ac844654
commit 596f052d69
3 changed files with 7 additions and 3 deletions
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4
pngset.c
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@@ -515,8 +515,8 @@ png_set_PLTE(png_structp png_ptr, png_infop info_ptr,
if (png_ptr == NULL || info_ptr == NULL)
return;
max_palette_length = (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ?
(1 << png_ptr->bit_depth) : PNG_MAX_PALETTE_LENGTH;
max_palette_length = (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ?
(1 << info_ptr->bit_depth) : PNG_MAX_PALETTE_LENGTH;
if (num_palette < 0 || num_palette > (int) max_palette_length)
{