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[libpng16] Removed erroneous setting of DETECT_UNINITIALIZED and added more

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checks. The code now does a png_error if an attempt is made to do the
row initialization twice; this is an application error and it has
serious consequences because the transform data in png_struct is
changed by each call.
This commit is contained in:
John Bowler
2012-03-18 21:10:29 -05:00
committed by Glenn Randers-Pehrson
parent 0c11b5f8e7
commit 66efa24241
5 changed files with 98 additions and 104 deletions
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@@ -4069,7 +4069,7 @@ Version 1.6.0beta18 [March 16, 2012]
read benign errors to warnings (regardless of the system default, unless
this is disabled in which case the simplified API can't be built.)
Version 1.6.0beta19 [March 18, 2012]
Version 1.6.0beta19 [March 19, 2012]
Work around for duplicate row start calls; added warning messages.
This turns on PNG_FLAG_DETECT_UNINITIALIZED to detect app code that
fails to call one of the 'start' routines (not enabled in libpng-1.5
@@ -4079,6 +4079,11 @@ Version 1.6.0beta19 [March 18, 2012]
they were before changes to use png_inflate_claim. Somehow webkit is
causing this to happen; this is probably a mis-feature in the zlib
changes so this commit is only a work-round.
Removed erroneous setting of DETECT_UNINITIALIZED and added more
checks. The code now does a png_error if an attempt is made to do the
row initialization twice; this is an application error and it has
serious consequences because the transform data in png_struct is
changed by each call.
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