A18-0-1: improve query logic

change_notes/2024-02-12-improve-a18-0-1.md

@@ -0,0 +1,2 @@
+- `A18-0-1` - `CLibraryFacilitiesNotAccessedThroughCPPLibraryHeaders.ql`:
+    - Fix issue #7 - improve query logic to only match on exact standard library names (exclude local files with same names. Now excludes sys/header.h type headers as well from the results as those are not C standard libraries).

cpp/autosar/src/rules/A18-0-1/CLibraryFacilitiesNotAccessedThroughCPPLibraryHeaders.ql

@@ -28,7 +28,7 @@ where
    *    not use any of 'signal.h's facilities, for example.
    */
 
-  filename = i.getIncludedFile().getBaseName() and
+  filename = i.getIncludeText().substring(1, i.getIncludeText().length() - 1) and
   filename in [
       "assert.h", "ctype.h", "errno.h", "fenv.h", "float.h", "inttypes.h", "limits.h", "locale.h",
       "math.h", "setjmp.h", "signal.h", "stdarg.h", "stddef.h", "stdint.h", "stdio.h", "stdlib.h",

cpp/autosar/test/rules/A18-0-1/CLibraryFacilitiesNotAccessedThroughCPPLibraryHeaders.expected

@@ -19,3 +19,4 @@
 | test.cpp:19:1:19:18 | #include <uchar.h> | C library "uchar.h" is included instead of the corresponding C++ library <cuchar>. |
 | test.cpp:20:1:20:18 | #include <wchar.h> | C library "wchar.h" is included instead of the corresponding C++ library <cwchar>. |
 | test.cpp:21:1:21:19 | #include <wctype.h> | C library "wctype.h" is included instead of the corresponding C++ library <cwctype>. |
+| test.cpp:45:1:45:17 | #include "time.h" | C library "time.h" is included instead of the corresponding C++ library <ctime>. |

cpp/autosar/test/rules/A18-0-1/lib/example.h

@@ -0,0 +1,4 @@
+#ifndef LIB_EXAMPLE_H_
+#define LIB_EXAMPLE_H_
+
+#endif

cpp/autosar/test/rules/A18-0-1/test.cpp

@@ -39,4 +39,7 @@
 #include <ctime>     // COMPLIANT
 #include <cuchar>    // COMPLIANT
 #include <cwchar>    // COMPLIANT
-#include <cwctype>   // COMPLIANT
+#include <cwctype>   // COMPLIANT
+
+#include "lib/example.h" // COMPLIANT
+#include "time.h"        // NON_COMPLIANT

cpp/autosar/test/rules/A18-0-1/time.h

@@ -0,0 +1,4 @@
+#ifndef LIB_TIME_EXAMPLE_H_
+#define LIB_TIME_EXAMPLE_H_
+// may be a user lib or a std lib checked into a project
+#endif