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[libpng16] If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE,

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ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs.
This commit is contained in:
Glenn Randers-Pehrson
2016-09-25 17:42:15 -05:00
parent 7835716cef
commit 89ea081433
3 changed files with 26 additions and 16 deletions
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@@ -5703,7 +5703,7 @@ Version 1.6.25rc05 [August 30, 2016]
Version 1.6.25 [September 1, 2016]
No changes.
Version 1.6.26beta01 [September 19, 2016]
Version 1.6.26beta01 [September 25, 2016]
Fixed handling zero length IDAT in pngfix (bug report by Agostino Sarubbo,
bugfix by John Bowler).
Do not issue a png_error() on read in png_set_pCAL() because png_handle_pCAL
@@ -5713,6 +5713,8 @@ Version 1.6.26beta01 [September 19, 2016]
while decoding compressed data chunks.
Changed PNG_ZLIB_VERNUM to ZLIB_VERNUM in pngpriv.h, pngstruct.h, and
pngrutil.c.
If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE,
ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs.
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