diff options
| author |  reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-02-06 12:47:14 +0000 |
|---|---|---|
| committer | reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-02-06 12:47:14 +0000 |
| commit | 3fda0eadac18dc3071e2bb2979512bd580b39ead (patch) | |
| tree | 34a4da71759beee4ebb9fb80927e50d9ee60873c | |
| parent | ae683921ffda9108147a29da7319c7eee4dc9245 (diff) | |
check for self-assignment in operator=
git-svn-id: http://skia.googlecode.com/svn/trunk@7610 2bbb7eff-a529-9590-31e7-b0007b416f81
| -rw-r--r-- | include/utils/SkMatrix44.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/utils/SkMatrix44.h b/include/utils/SkMatrix44.h index 41f1a30209..9d9b6e0102 100644 --- a/include/utils/SkMatrix44.h +++ b/include/utils/SkMatrix44.h @@ -125,8 +125,10 @@ public: } SkMatrix44& operator=(const SkMatrix44& src) { - memcpy(fMat, src.fMat, sizeof(fMat)); - fTypeMask = src.fTypeMask; + if (&src != this) { + memcpy(fMat, src.fMat, sizeof(fMat)); + fTypeMask = src.fTypeMask; + } return *this; } |