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[libpng17] Check (png_uint_16) casts for overflow. Also removed png_muldiv_warn,

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added RELEASE/!RELEASE convenience macros. png_muldiv_warn was used in
only one place, and the overflow condition is a genuine warning not
an internal error.  Four macros allow code or function parameters to be
condition on RELEASE (or not) builds and tidy up the #ifdef handling of
functions.
This commit is contained in:
John Bowler
2015-03-22 20:26:13 -05:00
committed by Glenn Randers-Pehrson
parent 36562c1032
commit 53097f5bbb
14 changed files with 265 additions and 249 deletions
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10
ANNOUNCE
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@@ -1,5 +1,5 @@
Libpng 1.7.0beta58 - March 22, 2015
Libpng 1.7.0beta58 - March 23, 2015
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -757,7 +757,7 @@ Version 1.7.0beta57 [March 16, 2015]
in libpng-1.6.17beta01 (John Bowler).
Revert change to png_default_read_data() made in libpng-1.7.0beta55.
Version 1.7.0beta58 [March 22, 2015]
Version 1.7.0beta58 [March 23, 2015]
Implemented affirm() support and usage.
Remove pnglibconf.dfn and pnglibconf.pre with "make clean".
Added byte, short and other overflow checking
@@ -772,6 +772,12 @@ Version 1.7.0beta58 [March 22, 2015]
macros/affirm functions so that beta builds will abort on overflow and
release builds will quietly ignore it. This avoids release builds
producing warnings that are of no use to end users.
Check (png_uint_16) casts for overflow. Also removed png_muldiv_warn,
added RELEASE/!RELEASE convenience macros. png_muldiv_warn was used in
only one place, and the overflow condition is a genuine warning not
an internal error. Four macros allow code or function parameters to be
condition on RELEASE (or not) builds and tidy up the #ifdef handling of
functions.
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