anisette is done, how to sign?

public/tier1/utlstring.h

@@ -26,6 +26,7 @@ public:
 	void RemoveAt( size_t nPosition, size_t nCount );
 
 	CUtlString GetFileName();
+	CUtlString GetFileExtension();
 	CUtlString GetDirectory();
 	CUtlString RemoveHeadFile();
 
@@ -126,13 +127,35 @@ inline CUtlString CUtlString::GetFileName()
 	while (pLast != m_data.GetData())
 	{
 		if (*pLast=='/')
+		{
+			pLast++;
 			break;			
+		}
 		pLast--;
 	}
 
 	return pLast;
 }
 
+inline CUtlString CUtlString::GetFileExtension()
+{
+	CUtlString szFileName = GetString();
+
+	char *pLast = &m_data[GetLenght()-1];	
+	while (pLast != m_data.GetData())
+	{
+		if (*pLast=='.')
+			break;			
+		if (*pLast=='/')
+			return NULL;
+		pLast--;
+	}
+
+	return pLast+1;
+}
+
+
+
 inline CUtlString CUtlString::GetDirectory()
 {
 	if (GetLenght() == 0)