MISRA C:2004 rules mapped to Klocwork checkers

Guideline Category Checker name and description
Dir. 1.3 Required

Dir. 1.4 Required

Dir. 1.5 Advisory

Dir. 2.4 Advisory

Dir. 3.1 Required

Dir. 3.2 Required

Dir. 3.3 Advisory

Dir. 3.5 Required

Dir. 3.6 Required

Dir. 18.3 Required

Dir. 21.1 Required

Rule 1.1 Required

Rule 1.2 Required

Rule 2.1 Required

MISRA.ASM.ENCAPS   Assembly language is not isolated.

Rule 2.2 Required

MISRA.TOKEN.CPCOM   C++ style comments

Rule 2.3 Required

MISRA.TOKEN.BADCOM   Inappropriate character sequence in a comment

Rule 3.4 Required

MISRA.PRAGMA   Non-documented pragma directive

Rule 4.1 Required

MISRA.TOKEN.WRONGESC.C.2004   Incorrect escape sequence in a literal

Rule 4.2 Required

MISRA.CHAR.TRIGRAPH   Trigraph usage

Rule 5.1 Required

MISRA.DEFINE.LONGNAME   Macro name is too long

MISRA.IDENT.LONG   Identifier is longer than 31 characters

Rule 5.2 Required

MISRA.VAR.HIDDEN   Identifier declared in an inner scope hides identifier in outer scope

Rule 5.3 Required

MISRA.TYPEDEF.NOT_UNIQUE   Typedef name is used for another entity

Rule 5.4 Required

MISRA.CT.UNIQUE.ID   Identifier clashes with tag name

Rule 5.5 Advisory

MISRA.VAR.UNIQUE.STATIC   Identifier with static storage specifier clashes with other identifier

Rule 5.6 Advisory

MISRA.TYPE.NAMECLASH.C.2004   Identifier in one name space has same spelling as identifier in other name space

Rule 5.7 Advisory

MISRA.VAR.UNIQUE   Identifier clashes with other identifier

Rule 6.1 Required

MISRA.CHAR.NOT_CHARACTER   'char' is used for non-character value

Rule 6.2 Required

MISRA.SIGNED_CHAR.NOT_NUMERIC   'signed char' or 'unsigned char' is used for non-numeric value

Rule 6.3 Advisory

MISRA.BUILTIN_NUMERIC   Builtin numeric type is used

Rule 6.4 Required

MISRA.BITFIELD.TYPE   Type of bit-field is not signed/unsigned integer

Rule 6.5 Required

MISRA.BITFIELD.SIGNED   Length of a named signed bit-field is less than 2

MISRA.BITFIELD.SIGNED.UNNAMED   Length of an unnamed signed bit-field is less than 2

Rule 7.1 Required

MISRA.TOKEN.OCTAL.ESCAPE   Usage of octal escape sequences

MISRA.TOKEN.OCTAL.INT   Usage of octal integer constants

Rule 8.1 Required

MISRA.FUNC.NOPROT.CALL   Function is called but has no prototype

MISRA.FUNC.NOPROT.DEF   Function has a definition but no prototype

Rule 8.2 Required

MISRA.DECL.NO_TYPE   Declaration without a type

Rule 8.3 Required

MISRA.OBJ.TYPE.IDENT   Type not identical with type of other declaration

Rule 8.4 Required

MISRA.OBJ.TYPE.COMPAT   Type not compatible with type of other declaration

Rule 8.5 Required

MISRA.ONEDEFRULE.FUNC   Global function definition in a header file

MISRA.ONEDEFRULE.VAR   Global variable definition in a header file

Rule 8.6 Required

MISRA.DECL.FUNC_LOCAL   Function is declared locally

Rule 8.7 Required

MISRA.VAR.MIN.VIS   Name visibility is too wide

Rule 8.8 Required

Rule 8.9 Required

Rule 8.10 Required

Rule 8.11 Required

MISRA.FUNC.STATIC.REDECL   Function or object redeclaration does not include 'static' modifier

Rule 8.12 Required

MISRA.DECL.ARRAY_SIZE   Declaration of array with unknown size

Rule 9.1 Required

UNINIT.HEAP.MIGHT   Uninitialized Heap Use - possible

UNINIT.HEAP.MUST   Uninitialized Heap Use

UNINIT.STACK.ARRAY.MIGHT   Uninitialized Array - possible

UNINIT.STACK.ARRAY.MUST   Uninitialized Array

UNINIT.STACK.ARRAY.PARTIAL.MUST   Partially Uninitialized Array

UNINIT.STACK.MIGHT   Uninitialized Variable - possible

UNINIT.STACK.MUST   Uninitialized Variable

Rule 9.2 Required

MISRA.INIT.BRACES   Incorrect initializer braces placement.

Rule 9.3 Required

MISRA.ENUM.INIT   Non-first enumerator is explicitly initialized, but not all elements are explicitly initialized.

Rule 10.1 Required

MISRA.CVALUE.IMPL.CAST   The value of an expression implicitly converted to a different type

Rule 10.2 Required

MISRA.CVALUE.IMPL.CAST   The value of an expression implicitly converted to a different type

Rule 10.3 Required

MISRA.CAST.INT   Non-trivial integer expression is cast to a wider type, or type with a different signedness

Rule 10.4 Required

MISRA.CAST.FLOAT   Non-trivial float expression is cast to a wider type

Rule 10.5 Required

MISRA.CAST.UNSIGNED_BITS   The result of bitwise operation on unsigned char or short is not cast back to original type

Rule 10.6 Required

MISRA.LITERAL.UNSIGNED.SUFFIX   Unsigned integer literal without 'U' suffix

Rule 11.1 Required

MISRA.CAST.FUNC_PTR   Cast between a function pointer and a non-integral type

Rule 11.2 Required

MISRA.CAST.PTR.UNRELATED   Object of pointer type cast to unrelated type

Rule 11.3 Advisory

MISRA.CAST.PTR_TO_INT   Cast between a pointer and an integral type

Rule 11.4 Advisory

MISRA.CAST.PTR   Cast between a pointer to object type and a different pointer to object type

Rule 11.5 Required

MISRA.CAST.CONST   Cast operation removes const or volatile modifier from a pointer or reference

Rule 12.1 Advisory

MISRA.EXPR.PARENS.INSUFFICIENT   Limited dependence required for operator precedence rules in expressions

MISRA.EXPR.PARENS.REDUNDANT   Limited dependence required for operator precedence rules in expressions

Rule 12.2 Required

PORTING.VAR.EFFECTS   Variable used twice in one expression where one usage is subject to side-effects

Rule 12.3 Required

MISRA.SIZEOF.SIDE_EFFECT   Operand of sizeof has side effects

Rule 12.4 Required

MISRA.LOGIC.SIDEEFF   Right operand in a logical 'and' or 'or' expression contains side effects

MISRA.LOGIC.SIDEEFF.COND   Branch expression in a conditional expression contains side effects

Rule 12.5 Required

MISRA.LOGIC.PRIMARY   Operand in a logical 'and' or 'or' expression is not a primary expression

Rule 12.6 Advisory

MISRA.LOGIC.OPERAND.NOT_BOOL   Operand of logical operator is not effectively boolean

MISRA.LOGIC.OPERATOR.NOT_BOOL   Operand of non-logical operator is effectively boolean

Rule 12.7 Required

MISRA.BITS.NOT_UNSIGNED   Operand of bitwise operation is not unsigned integer

MISRA.BITS.NOT_UNSIGNED.PREP   Operand of bitwise operation is not unsigned integer

Rule 12.8 Required

MISRA.SHIFT.RANGE   Right operand of shift operation is out of range - greater or equal to max bit-length of left operand, or negative

Rule 12.9 Required

MISRA.UMINUS.UNSIGNED   Operand of unary minus is unsigned

Rule 12.10 Required

MISRA.COMMA   Comma operator is used

Rule 12.11 Advisory

MISRA.COMP.WRAPAROUND   Wrap-around in a condition

MISRA.ELIF.WRAPAROUND   Wrap-around in #elif directive

MISRA.IF.WRAPAROUND   Wrap-around in #if directive

NUM.OVERFLOW.DF   Possible numeric overflow or wraparound

Rule 12.12 Required

MISRA.FLOAT.BIT.REPR   Use of bit manipulations of floating-point values which rely on storage layout

Rule 12.13 Advisory

MISRA.INCR_DECR.OTHER   Increment or decrement operator is mixed with other operators in expression

Rule 13.1 Required

MISRA.ASSIGN.COND   Assignment operator is used in a condition

Rule 13.2 Advisory

MISRA.ZERO_EQ.IMPLICIT   Non-boolean expression is implicitly tested against zero

Rule 13.3 Required

MISRA.FLOAT_EQUAL   Floating point expression is tested for equality

Rule 13.4 Required

MISRA.FOR.COND.FLT   Floating point object is used in the condition section of a 'for' loop

Rule 13.5 Required

MISRA.FOR.COND   For loop condition does not depend on loop counter

MISRA.FOR.INCR.CHANGE   For loop increment expression does not change loop counter

Rule 13.6 Required

MISRA.FOR.STMT.CHANGE   For loop counter is modified within the loop statement

Rule 13.7 Required

INVARIANT_CONDITION.GEN   Invariant expression in a condition

INVARIANT_CONDITION.UNREACH   Invariant expression in a condition

Rule 14.1 Advisory

UNREACH.ENUM   Code is unreachable due to the possible value(s) of an enum

UNREACH.GEN   Unreachable code

UNREACH.RETURN   Unreachable Void Return

Rule 14.2 Required

MISRA.STMT.NO_EFFECT   The statement has no side effects, and does not change control flow

Rule 14.3 Required

MISRA.NULL.STMT   Null statement is not the only statement on line or comments are placed incorrectly

Rule 14.4 Required

MISRA.GOTO   Goto statement is used

Rule 14.5 Required

MISRA.CONTINUE   Continue statement is used

Rule 14.6 Required

MISRA.ITER.ONETERM   Iteration statement has more than one break or goto for loop termination.

Rule 14.7 Required

MISRA.RETURN.NOT_LAST   Return is not the last statement in a function

Rule 14.8 Required

MISRA.STMT.NO_COMPOUND   The body of switch, while, do/while or for statement is not a compound statement

Rule 14.9 Required

MISRA.IF.NO_COMPOUND   The body of if/else statement is not a compound statement

Rule 14.10 Required

MISRA.IF.NO_ELSE   A chain of if/else-if statements is not terminated with else or is terminated with an empty else clause

Rule 15.0 Required

Rule 15.1 Required

MISRA.SWITCH.LABEL   A switch label belongs to nested compound statement inside switch body

Rule 15.2 Required

MISRA.SWITCH.NO_BREAK   No break or throw statement at the end of switch-clause

Rule 15.3 Required

MISRA.SWITCH.NODEFAULT   No default clause at the end of a switch statement

Rule 15.4 Required

MISRA.SWITCH.BOOL   Condition of switch statement is boolean expression

Rule 15.5 Required

MISRA.SWITCH.NO_CASE   No case-clause in a switch statement

Rule 16.1 Required

MISRA.FUNC.VARARG   Function with variable number of arguments

Rule 16.2 Required

MISRA.FUNC.RECUR   Recursive function

Rule 16.3 Required

MISRA.FUNC.UNNAMED.PARAMS   Function declaration has unnamed parameters

Rule 16.4 Required

MISRA.FUNC.PARAMS.IDENT   Identifiers used in declaration and definition of function are not identical

Rule 16.5 Required

MISRA.FUNC.NO_PARAMS   Function without parameters is missing void parameter type

Rule 16.6 Required

MISRA.FUNC.UNMATCHED.PARAMS   Number of formal and actual parameters passed to function do not match

Rule 16.7 Advisory

MISRA.PPARAM.NEEDS.CONST   Pointer parameter is not used to modify the addressed object but is not declared as a pointer to const

Rule 16.8 Required

FUNCRET.GEN   Non-void function does not return value

FUNCRET.IMPLICIT   Non-void function implicitly returning int does not return value

Rule 16.9 Required

MISRA.FUNC.ADDR   Address of a function is used without & operator

Rule 16.10 Required

SV.RVT.RETVAL_NOTTESTED   Ignored Return Value

Rule 17.1 Required

MISRA.PTR.ARITH   Pointer is used in arithmetic or array index expression

Rule 17.2 Required

MISRA.PTR.SUB   Pointer subtraction shall only be applied if pointing to same array

MISRA.PTR.SUB.OBJECT   Pointer subtraction shall only be applied if pointing to same object

Rule 17.3 Required

MISRA.PTR.CMP.2008   Pointer comparison using comparison operators shall only be applied if pointing to same array and within the range

MISRA.PTR.CMP.OBJECT.2008   Pointer comparison using comparison operators shall only be applied if pointing to same object and within the range

Rule 17.4 Required

MISRA.PTR.ARITH   Pointer is used in arithmetic or array index expression

Rule 17.5 Advisory

MISRA.PTR.TO_PTR_TO_PTR   Pointer declaration has more than two levels of indirection

Rule 17.6 Required

LOCRET.ARG   Function returns address of local variable

LOCRET.GLOB   Function returns address of local variable

LOCRET.RET   Function returns address of local variable

Rule 18.1 Required

MISRA.INCOMPLETE.STRUCT   Incomplete struct type is used

MISRA.INCOMPLETE.STRUCT.UNNAMED   Incomplete unnamed struct type is used

MISRA.INCOMPLETE.UNION   Incomplete union type is used

MISRA.INCOMPLETE.UNION.UNNAMED   Incomplete unnamed union type is used

Rule 18.2 Required

MISRA.ASSIGN.OVERLAP   Object is assigned to an overlapping object

Rule 18.4 Required

MISRA.UNION   Union is used

Rule 19.1 Advisory

MISRA.INCL.INSIDE   Include directive preceded by a preprocessor output token

Rule 19.2 Advisory

MISRA.INCL.SYMS   Non-standard characters in header file names

Rule 19.3 Required

MISRA.INCL.BAD   Non-standard include directive

Rule 19.4 Required

MISRA.DEFINE.BADEXP   Inappropriate macro expansion

Rule 19.5 Required

MISRA.DEFINE.NOTGLOBAL   Define not at the global level

MISRA.UNDEF.NOTGLOBAL   Undef not at the global level

Rule 19.6 Required

MISRA.UNDEF   Undef usage

Rule 19.7 Advisory

MISRA.DEFINE.FUNC   Function-like macro definition

Rule 19.8 Required

MISRA.EXPANSION.NARGS   Missing macro argument

Rule 19.9 Required

MISRA.EXPANSION.DIRECTIVE   Directive-like tokens within a macro argument

Rule 19.10 Required

MISRA.DEFINE.NOPARS   Macro parameter with no parentheses

Rule 19.11 Required

MISRA.ELIF.UNDEF   Undefined macros in #elif directive

MISRA.IF.UNDEF   Undefined macros in #if directive

Rule 19.12 Required

MISRA.DEFINE.SHARP.MANY   Several # or ## operators in a macro definition

Rule 19.13 Advisory

MISRA.DEFINE.SHARP   # or ## operator in a macro definition

Rule 19.14 Required

MISRA.ELIF.DEFINED   Incorrect 'defined' usage in #elif directive

MISRA.IF.DEFINED   Incorrect 'defined' usage in #if directive

Rule 19.15 Required

MISRA.INCGUARD   Include guard is not provided

Rule 19.16 Required

Rule 19.17 Required

MISRA.ELIF.OTHERFILE   #elif in an improper file

MISRA.ELSE.OTHERFILE   #else in an improper file

MISRA.ENDIF.OTHERFILE   #endif in an improper file

Rule 20.1 Required

MISRA.DEFINE.WRONGNAME   Usage of a name from the standard library for naming a macro

MISRA.DEFINE.WRONGNAME.UNDERSCORE   Usage of a reserved name for naming a macro

MISRA.EXPANSION.UNSAFE   Unsafe macro usage

MISRA.INCL.UNSAFE   Unsafe header inclusion

Rule 20.2 Required

MISRA.STDLIB.WRONGNAME   Reused name of standard library macro, object or function

MISRA.STDLIB.WRONGNAME.UNDERSCORE   Usage of a reserved name for naming a language entity

MISRA.UNDEF.WRONGNAME   Undefinition of a name from the standard library

MISRA.UNDEF.WRONGNAME.UNDERSCORE   Undefinition of a reserved name

Rule 20.3 Required

Rule 20.4 Required

MISRA.STDLIB.MEMORY   Use of dynamic heap memory allocation

Rule 20.5 Required

MISRA.EXPANSION.UNSAFE   Unsafe macro usage

MISRA.STDLIB.ERRNO   Use of error indicator 'errno'

Rule 20.6 Required

MISRA.EXPANSION.UNSAFE   Unsafe macro usage

Rule 20.7 Required

MISRA.EXPANSION.UNSAFE   Unsafe macro usage

MISRA.STDLIB.LONGJMP   Use of setjmp macro or longjmp function

Rule 20.8 Required

MISRA.EXPANSION.UNSAFE   Unsafe macro usage

MISRA.INCL.UNSAFE   Unsafe header inclusion

MISRA.STDLIB.SIGNAL   Use of the signal handling facilities of signal.h

Rule 20.9 Required

MISRA.INCL.UNSAFE   Unsafe header inclusion

MISRA.STDLIB.STDIO   Use of input/output library stdio.h in production code

Rule 20.10 Required

MISRA.STDLIB.ATOI   Use of 'atof', 'atoi' or 'atol' from library stdlib.h

Rule 20.11 Required

MISRA.STDLIB.ABORT   Use of 'abort', 'exit', 'getenv' or 'system' from library stdlib.h

Rule 20.12 Required

MISRA.INCL.UNSAFE   Unsafe header inclusion

MISRA.STDLIB.TIME   Use of the time handling functions of library time.h

Support Summary

Number of rules not statically verifiable: 11 of 142

Number of statically verifiable rules supported: 124 of 131

MISRA C:2004 coverage = 95% (excludes rules that are not statically verifiable)

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