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[libpng17] Added byte, short and other overflow checking

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Added 'assert' based overflow checking for debug builds for char
and short assignments. Simply ignore the error in release builds
(a truncated value will be used without warning). Controlled by
PNG_RANGE_CHECK_SUPPORTED.
This commit is contained in:
John Bowler
2015-03-22 15:57:53 -05:00
committed by Glenn Randers-Pehrson
parent 382de60042
commit 82fa6aed0e
14 changed files with 618 additions and 508 deletions
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@@ -5050,6 +5050,11 @@ Version 1.7.0beta57 [March 16, 2015]
Version 1.7.0beta58 [March 22, 2015]
Implemented affirm() support and usage.
Remove pnglibconf.dfn and pnglibconf.pre with "make clean".
Added byte, short and other overflow checking
Added 'assert' based overflow checking for debug builds for char
and short assignments. Simply ignore the error in release builds
(a truncated value will be used without warning). Controlled by
PNG_RANGE_CHECK_SUPPORTED.
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