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[libpng16] Initialize tRNS read buffers in pngrutil.c

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This commit is contained in:
Glenn Randers-Pehrson 2017-10-20 19:38:03 -05:00
parent af08094ba6
commit aea0ec4346
1 changed files with 3 additions and 3 deletions
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6
pngrutil.c
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@ -1817,7 +1817,7 @@ png_handle_sPLT(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
void /* PRIVATE */
png_handle_tRNS(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
{
png_byte readbuf[PNG_MAX_PALETTE_LENGTH];
png_byte readbuf[PNG_MAX_PALETTE_LENGTH]={0};
png_debug(1, "in png_handle_tRNS");
@ -1840,7 +1840,7 @@ png_handle_tRNS(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY)
{
png_byte buf[2];
png_byte buf[2]={0};
if (length != 2)
{
@ -1856,7 +1856,7 @@ png_handle_tRNS(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
{
png_byte buf[6];
png_byte buf[6]={0};
if (length != 6)
{