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[libpng16] Allow writing ICC V2 profiles that lack padding (Kai-Uwe Behrmann).

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Glenn Randers-Pehrson
2014-04-25 06:14:50 -05:00
parent 5a1d1b5369
commit ab9736a647
3 changed files with 8 additions and 6 deletions
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4
pngwutil.c
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@@ -1193,6 +1193,7 @@ png_write_iCCP(png_structrp png_ptr, png_const_charp name,
png_uint_32 profile_len;
png_byte new_name[81]; /* 1 byte for the compression byte */
compression_state comp;
png_uint_32 temp;
png_debug(1, "in png_write_iCCP");
@@ -1207,7 +1208,8 @@ png_write_iCCP(png_structrp png_ptr, png_const_charp name,
if (profile_len < 132)
png_error(png_ptr, "ICC profile too short");
if (profile_len & 0x03)
temp = (png_uint_32) (*(profile+8));
if (temp > 3 && (profile_len & 0x03))
png_error(png_ptr, "ICC profile length invalid (not a multiple of 4)");
{