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| author | ztenghui <ztenghui@google.com> | 2014-05-14 23:15:21 +0000 |
|---|---|---|
| committer | Android (Google) Code Review <android-gerrit@google.com> | 2014-05-14 23:15:22 +0000 |
| commit | a6464b38fc3c807abbce0cb4e7b542b2dd34111c (patch) | |
| tree | 92185b9dbecea4e046b7e9f8eec18c6b490c89fe /libs | |
| parent | 4a644e390359a1715c88f54ed0174ffb5113d617 (diff) | |
| parent | f11310f395a135ac7ef204ced5b3d3facf491422 (diff) | |
| download | frameworks_base-a6464b38fc3c807abbce0cb4e7b542b2dd34111c.zip frameworks_base-a6464b38fc3c807abbce0cb4e7b542b2dd34111c.tar.gz frameworks_base-a6464b38fc3c807abbce0cb4e7b542b2dd34111c.tar.bz2 | |
Merge "Check the array before accessing it"
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/hwui/ShadowTessellator.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/hwui/ShadowTessellator.cpp b/libs/hwui/ShadowTessellator.cpp index be49aed..55b82e4 100644 --- a/libs/hwui/ShadowTessellator.cpp +++ b/libs/hwui/ShadowTessellator.cpp @@ -196,6 +196,10 @@ Vector2 ShadowTessellator::centroid2d(const Vector2* poly, int polyLength) { * @param len the number of points of the polygon */ bool ShadowTessellator::isClockwise(const Vector2* polygon, int len) { + if (len < 2 || polygon == NULL) { + ALOGW("Invalid polygon %p, length is %d @ isClockwise()", polygon, len); + return true; + } double sum = 0; double p1x = polygon[len - 1].x; double p1y = polygon[len - 1].y; |