Added Data() getter and an assignment operator getting a raw buffer.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37637 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/system/kernel/file_corruption/CheckSum.h

@@ -12,6 +12,10 @@
 
 
 struct CheckSum {
+	const uint8* Data() const
+	{
+		return fData;
+	}
 
 	bool IsZero() const
 	{
@@ -29,6 +33,12 @@ struct CheckSum {
 		return *this;
 	}
 
+	CheckSum& operator=(const void* buffer)
+	{
+		memcpy(fData, buffer, sizeof(fData));
+		return *this;
+	}
+
 	bool operator==(const void* buffer) const
 	{
 		return memcmp(fData, buffer, sizeof(fData)) == 0;