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[libpng16] Fixed incorrect handling of the iTXt compression flag

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in pngrutil.c (bug report by Shunsaku Hirata).  Bug was introduced
in libpng-1.6.0.
This commit is contained in:
Glenn Randers-Pehrson
2014-09-27 09:37:50 -05:00
parent 1b3a9fd6bf
commit 48e6fad71c
3 changed files with 10 additions and 6 deletions
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4
pngrutil.c
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@@ -2671,7 +2671,7 @@ png_handle_iTXt(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
buffer[uncompressed_length+prefix_length] = 0;
if (compressed != 0)
if (compressed == 0)
text.compression = PNG_ITXT_COMPRESSION_NONE;
else
@@ -3330,7 +3330,7 @@ png_combine_row(png_const_structrp png_ptr, png_bytep dp, int display)
/* This can only be the RGB case, so each copy is exactly one
* pixel and it is not necessary to check for a partial copy.
*/
for(;;)
for (;;)
{
dp[0] = sp[0], dp[1] = sp[1], dp[2] = sp[2];