Fix in MISRA rule 6.1 check (#3458)

Author: danimartin82

addons/misra.py

@@ -1693,7 +1693,7 @@ def misra_6_1(self, data):
                 continue
 
             if data.standards.c == 'c89':
-                if token.valueType.type != 'int':
+                if token.valueType.type != 'int' and  not isUnsignedType(token.variable.typeStartToken.str):
                     self.reportError(token, 6, 1)
             elif data.standards.c == 'c99':
                 if token.valueType.type == 'bool':
@@ -1702,7 +1702,7 @@ def misra_6_1(self, data):
             isExplicitlySignedOrUnsigned = False
             typeToken = token.variable.typeStartToken
             while typeToken:
-                if typeToken.isUnsigned or typeToken.isSigned:
+                if typeToken.isUnsigned or typeToken.isSigned or isUnsignedType(typeToken.str):
                     isExplicitlySignedOrUnsigned = True
                     break
 

addons/test/misra/misra-test.c

@@ -252,6 +252,7 @@ struct struct_with_bitfields
   signed long  f:2; // 6.1 - signed long not compliant
   unsigned int g:1; // Compliant
   signed int   h:1; // 6.2 - signed int with size 1 is not compliant
+  uint16_t     i:1; // Compliant
 };
 
 static void misra6_1_fn(void) {