Fixed Ticket 2144 (false negatives: Old Style Pointer Cast apply only on .cpp files)

lib/checkother.cpp

@@ -276,9 +276,13 @@ void CheckOther::SuspiciousSemicolonError(const Token* tok)
 //---------------------------------------------------------------------------
 void CheckOther::warningOldStylePointerCast()
 {
-    if (!_settings->isEnabled("style") ||
-        (_tokenizer->tokens() && _tokenizer->fileLine(_tokenizer->tokens()).find(".cpp") == std::string::npos))
+    if (!_settings->isEnabled("style")) {
         return;
+    }
+
+    if (!_tokenizer->isCPP()) {
+        return;
+    }
 
     for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next()) {
         // Old style pointer casting..

lib/tokenize.h

@@ -59,6 +59,21 @@ public:
         return false;
     }
 
+    /** Is the code C. Used for bailouts */
+    bool isC() const {
+        if (_files.size() != 1)
+            return false;
+        const std::string::size_type pos = _files[0].rfind(".");
+        if (pos != std::string::npos)
+            return (_files[0].substr(pos) == ".c");
+        return false;
+    }
+
+    /** Is the code CPP. Used for bailouts */
+    bool isCPP() const {
+ 	return !isJavaOrCSharp() && !isC();
+    }
+
     /**
      * Tokenize code
      * @param code input stream for code, e.g.