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| author | Matthieu Darbois <mayeut@users.noreply.github.com> | 2016-04-28 13:16:43 +0200 |
|---|---|---|
| committer | Matthieu Darbois <mayeut@users.noreply.github.com> | 2016-04-28 13:16:43 +0200 |
| commit | 29313eb5f1b2c01c7493087fa2d8f1a20495a34e (patch) | |
| tree | 8692044fc432188990ac74aa0aef440321cbb12d /src/lib/openjp2/opj_includes.h | |
| parent | e982d0396607a16ca0c373020cc93449504eb4e8 (diff) | |
Fix unsigned int overflow reported by UBSan (#761)
* Fix unsigned int overflow reported by UBSan
Please add -DOPJ_UBSAN_BUILD to CFLAGS when building with
-fsanitize=undefined,unsigned-integer-overflow
It seems clang/gcc do not allow to disable checking for block of code
other than function or file.
Diffstat (limited to 'src/lib/openjp2/opj_includes.h')
| -rw-r--r-- | src/lib/openjp2/opj_includes.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/lib/openjp2/opj_includes.h b/src/lib/openjp2/opj_includes.h index 5add0918..58a5a9a9 100644 --- a/src/lib/openjp2/opj_includes.h +++ b/src/lib/openjp2/opj_includes.h @@ -112,6 +112,14 @@ #endif #endif +#ifdef __has_attribute + #if __has_attribute(no_sanitize) + #define OPJ_NOSANITIZE(kind) __attribute__((no_sanitize(kind))) + #endif +#endif +#ifndef OPJ_NOSANITIZE + #define OPJ_NOSANITIZE(kind) +#endif /* MSVC before 2013 and Borland C do not have lrintf */ |