Adding error checks to SkRBuffer
BUG=
R=robertphillips@google.com, bsalomon@google.com, reed@google.com
Author: sugoi@chromium.org
Review URL: https://codereview.chromium.org/61913002
git-svn-id: http://skia.googlecode.com/svn/trunk/include@12202 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/core/SkFlattenableBuffers.h b/core/SkFlattenableBuffers.h
index 8a94bb1..575dec8 100644
--- a/core/SkFlattenableBuffers.h
+++ b/core/SkFlattenableBuffers.h
@@ -144,7 +144,15 @@
return SkData::NewFromMalloc(buffer, len);
}
- virtual void validate(bool isValid) {}
+ /** This function validates that the isValid input parameter is true
+ * If isValidating() is false, then true is always returned
+ * If isValidating() is true, then true is returned until validate() is called with isValid
+ * set to false. When isValid is false, an error flag will be set internally and, from that
+ * point on, validate() will return false. The error flag cannot be unset.
+ *
+ * @param isValid result of a test that is expected to be true
+ */
+ virtual bool validate(bool isValid);
private:
template <typename T> T* readFlattenableT();
