Misra: Add rule 21.9

addons/misra-test.c

@@ -221,3 +221,8 @@ void misra_21_8() {
   getenv("foo"); // 21.8
   system(""); // 21.8
 }
+
+void misra_21_9() {
+  bsearch(key,base,num,size,cmp); // 21.9
+  qsort(base,num,size,cmp); // 21.9
+}

addons/misra.py

@@ -679,6 +679,11 @@ def misra_21_8(data):
         if (token.str in ['abort', 'getenv', 'system']) and token.next and token.next.str == '(':
             reportError(token, 21, 8)
 
+def misra_21_9(data):
+    for token in data.tokenlist:
+        if (token.str in ['bsearch', 'qsort']) and token.next and token.next.str == '(':
+            reportError(token, 21, 9)
+
 if '-verify' in sys.argv[1:]:
     VERIFY = True
 
@@ -756,6 +761,7 @@ for arg in sys.argv[1:]:
             misra_21_5(data.rawTokens)
         misra_21_7(cfg)
         misra_21_8(cfg)
+        misra_21_9(cfg)
 
     if VERIFY:
         for expected in VERIFY_EXPECTED: