buffer overruns: added simple support for initialized array

src/checkbufferoverrun.cpp

@@ -405,7 +405,7 @@ void CheckBufferOverrunClass::CheckBufferOverrun_GlobalAndLocalVariable()
         unsigned int varid = 0;
         int nextTok = 0;
 
-        if (Token::Match(tok, "%type% %var% [ %num% ] ;"))
+        if (Token::Match(tok, "%type% %var% [ %num% ] [;=]"))
         {
             varname[0] = tok->strAt(1);
             size = std::strtoul(tok->strAt(3), NULL, 10);

test/testbufferoverrun.cpp

@@ -94,6 +94,8 @@ private:
 
         TEST_CASE(varid1);
         TEST_CASE(varid2);
+
+        TEST_CASE(assign1);
     }
 
 
@@ -492,6 +494,17 @@ private:
               "}\n");
         ASSERT_EQUALS(std::string(""), errout.str());
     }
+
+    void assign1()
+    {
+        check("char str[3] = {'a', 'b', 'c'};\n"
+              "\n"
+              "void foo()\n"
+              "{\n"
+              "    str[3] = 0;\n"
+              "}\n");
+        ASSERT_EQUALS(std::string("[test.cpp:5]: (all) Array index out of bounds\n"), errout.str());
+    }
 };
 
 REGISTER_TEST(TestBufferOverrun)