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authorkcwu <kcwu@chromium.org>2016-12-16 19:42:30 -0800
committerCommit bot <commit-bot@chromium.org>2016-12-16 19:42:30 -0800
commitda587fab57602e5e10c058e6e632df513fba0c93 (patch)
treed8afdd7bfae597a258fb63bb3be657d54a5f6378 /third_party/lcms2-2.6/src/cmsplugin.c
parentd5b81ce5722398cc8c259d76e7cd1a5ddc2c562f (diff)
downloadpdfium-da587fab57602e5e10c058e6e632df513fba0c93.tar.xz
lcms: Sanitize floating point readchromium/2956chromium/2955
This is partially backported from upstream https://github.com/mm2/Little-CMS/commit/4011a6e3 BUG=chromium:665054 Review-Url: https://codereview.chromium.org/2577963007
Diffstat (limited to 'third_party/lcms2-2.6/src/cmsplugin.c')
-rw-r--r--third_party/lcms2-2.6/src/cmsplugin.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/third_party/lcms2-2.6/src/cmsplugin.c b/third_party/lcms2-2.6/src/cmsplugin.c
index b95befbd96..42c4002b55 100644
--- a/third_party/lcms2-2.6/src/cmsplugin.c
+++ b/third_party/lcms2-2.6/src/cmsplugin.c
@@ -182,7 +182,9 @@ cmsBool CMSEXPORT _cmsReadFloat32Number(cmsIOHANDLER* io, cmsFloat32Number* n)
if (isnan(*n))
return FALSE;
}
- return TRUE;
+
+ // fpclassify() required by C99
+ return (fpclassify(*n) == FP_ZERO) || (fpclassify(*n) == FP_NORMAL);
}