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MISRA C:2012 with Amendment 2 rules mapped to Klocwork checkers

MISRA C Rule	Category	Decidable?	Klocwork Checker Code and Description
Dir. 1.1	Required	No
Dir. 2.1	Required	No
Dir. 3.1	Required	No
Dir. 4.1	Required	No
Dir. 4.2	Advisory	No
Dir. 4.3	Required	No	`MISRA.ASM.ENCAPS` Assembly language is not isolated.
Dir. 4.4	Advisory	No
Dir. 4.5	Advisory	No
Dir. 4.6	Advisory	No	`MISRA.BUILTIN_NUMERIC` Builtin numeric type is used
Dir. 4.7	Required	No
Dir. 4.8	Advisory	No
Dir. 4.9	Advisory	No	`MISRA.DEFINE.FUNC` Function-like macro definition
Dir. 4.10	Required	No	`MISRA.INCGUARD` Include guard is not provided
Dir. 4.11	Required	No
Dir. 4.12	Required	No
Dir. 4.13	Advisory	No
Dir. 4.14	Required	No	`ABV.TAINTED` Buffer Overflow from Unvalidated Input `NNTS.TAINTED` Unvalidated User Input Causing Buffer Overflow - Non-Null Terminated String `SV.TAINTED.ALLOC_SIZE` Use of Unvalidated Integer in Memory Allocation `SV.TAINTED.BINOP` Use of Unvalidated Integer in Binary Operation `SV.TAINTED.CALL.BINOP` Use of Unvalidated Integer in Binary Operation `SV.TAINTED.CALL.DEREF` Dereference Of An Unvalidated Pointer `SV.TAINTED.CALL.INDEX_ACCESS` Use of Unvalidated Integer as Array Index by Function Call `SV.TAINTED.CALL.LOOP_BOUND` Use of Unvalidated Integer in Loop Condition through a Function Call `SV.TAINTED.DEREF` Dereference Of An Unvalidated Pointer `SV.TAINTED.FMTSTR` Use of Unvalidated Data in a Format String `SV.TAINTED.INDEX_ACCESS` Use of Unvalidated Integer as Array Index `SV.TAINTED.INJECTION` Command Injection `SV.TAINTED.LOOP_BOUND` Use of Unvalidated Integer in Loop Condition `SV.TAINTED.PATH_TRAVERSAL` Use of Unvalidated Data in a Path Traversal `SV.TAINTED.SECURITY_DECISION` Security Decision
1.1	Required	Yes
1.2	Advisory	No
1.3	Required	No
1.4	Required	Yes
2.1	Required	No	`UNREACH.GEN` Unreachable code `UNREACH.RETURN` Unreachable Void Return
2.2	Required	No	`EFFECT` Statement has no effect `LV_UNUSED.GEN` Local variable unused `VA_UNUSED.GEN` Value is Never Used after Assignment `VA_UNUSED.INIT` Value is Never Used after Initialization
2.3	Advisory	Yes
2.4	Advisory	Yes
2.5	Advisory	Yes
2.6	Advisory	Yes	`LA_UNUSED` Label unused
2.7	Advisory	Yes	`MISRA.FUNC.UNUSEDPAR.2012` Unused parameters in functions
3.1	Required	Yes	`MISRA.TOKEN.BADCOM` Inappropriate character sequence in a comment
3.2	Required	Yes	`MISRA.TOKEN.CPCOM.MULTILINE.2012` Line-splicing used in a // comment
4.1	Required	Yes	`MISRA.TOKEN.UNTERMINATED.ESCAPE.2012` Unterminated escape sequence in a string literal
4.2	Advisory	Yes	`MISRA.CHAR.TRIGRAPH` Trigraph usage
5.1	Required	Yes
5.2	Required	Yes	`MISRA.IDENT.DISTINCT.C99.2012` Identifiers declared in the same scope or name space are not distinct
5.3	Required	Yes	`MISRA.VAR.HIDDEN` Identifier declared in an inner scope hides identifier in outer scope
5.4	Required	Yes	`MISRA.DEFINE.NOT_DISTINCT.C99.2012` Identifier name is too long
5.5	Required	Yes
5.6	Required	Yes	`MISRA.TYPEDEF.NOT_UNIQUE` Typedef name is used for another entity
5.7	Required	Yes	`MISRA.CT.UNIQUE.ID` Identifier clashes with type name
5.8	Required	Yes	`MISRA.IDENT.NONUNIQUE.EXTERNAL.2012` Identifiers that define objects or functions with external linkage shall be unique.
5.9	Advisory	Yes	`MISRA.IDENT.NONUNIQUE.INTERNAL.2012` Identifiers that define objects or functions with internal linkage should be unique.
6.1	Required	Yes	`MISRA.BITFIELD.TYPE` Type of bit-field is not signed/unsigned integer
6.2	Required	Yes	`MISRA.BITFIELD.SIGNED` Length of a named signed bit-field is less than 2
7.1	Required	Yes	`MISRA.TOKEN.OCTAL.INT` Usage of octal integer constants
7.2	Required	Yes	`MISRA.LITERAL.UNSIGNED.SUFFIX` Unsigned integer literal without 'U' suffix
7.3	Required	Yes	`MISRA.TOKEN.L.SUFFIX.FLOAT` Usage of lowercase character "l" suffix in floating constant `MISRA.TOKEN.L.SUFFIX.INT` Usage of lowercase character "l" suffix in integer constant
7.4	Required	Yes	`MISRA.STRING_LITERAL.NON_CONST.2012` A string literal shall not be assigned to an object unless the object's type is pointer to const-qualified char
8.2	Required	Yes	`MISRA.FUNC.NO_PARAMS` Function without parameters is missing void parameter type `MISRA.FUNC.PROT_FORM.KR.2012` Function types shall be in prototype form `MISRA.FUNC.UNMATCHED.PARAMS` Number of formal and actual parameters passed to function do not match `MISRA.FUNC.UNNAMED.PARAMS` Function declaration has unnamed parameters
8.3	Required	Yes
8.4	Required	Yes	`MISRA.FUNC.NOPROT.DEF.2012` Function has a definition but no prototype
8.5	Required	Yes
8.6	Required	Yes
8.7	Advisory	Yes
8.8	Required	Yes	`MISRA.FUNC.STATIC.REDECL` Function or object redeclaration does not include 'static' modifier
8.9	Advisory	Yes
8.10	Required	Yes	`MISRA.DECL.FUNC.INLINE.STATIC.2012` Declaration of inline function without static storage class
8.11	Advisory	Yes	`MISRA.DECL.ARRAY_SIZE` Declaration of array with unknown size
8.12	Required	Yes	`MISRA.ENUM.IMPLICIT.VAL.NON_UNIQUE.2012` Implicit enumerator value is not unique
8.13	Advisory	No	`MISRA.PPARAM.NEEDS.CONST` Pointer parameter is not used to modify the addressed object but is not declared as a pointer to const
8.14	Required	Yes	`MISRA.TYPE.RESTRICT.QUAL.2012` The restrict type qualifier shall not be used
9.1	Mandatory	No	`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
9.2	Required	Yes	`MISRA.INIT.BRACES.2012` The initializer for an aggregate or union is not enclosed in braces
9.3	Required	Yes	`MISRA.INIT.PARTIAL.2012` Array is partially initialized
9.4	Required	Yes	`MISRA.INIT.MULTIPLE.2012` An element of an object is initialized more than once
9.5	Required	Yes	`MISRA.INIT.SIZE.IMPLICIT.2012` A designated initializer is used to initialize an array object when the size of the array is not specified explicitly
10.1	Required	Yes	`MISRA.ETYPE.INAPPR.OPERAND.BINOP.2012` Operand(s) to a binary operator have inappropriate essential type `MISRA.ETYPE.INAPPR.OPERAND.INDEXPR.2012` Index expression has inappropriate essential type `MISRA.ETYPE.INAPPR.OPERAND.TERNOP.2012` First operand to a ternary operator has inappropriate essential type `MISRA.ETYPE.INAPPR.OPERAND.UNOP.2012` Operand to a unary operator has inappropriate essential type
10.2	Required	Yes	`MISRA.ETYPE.INAPPR.CHAR.2012` Inappropriate usage of Essentially Character type in an addition or subtraction operation
10.3	Required	Yes	`MISRA.ETYPE.ASSIGN.2012` Assignment to an object of a narrower essential type or a different essential type category
10.4	Required	Yes	`MISRA.ETYPE.CATEGORY.DIFFERENT.2012` The operands of an operator in which the usual arithmetic conversions are performed do not have the same essential type category
10.5	Advisory	Yes	`MISRA.ETYPE.INAPPR.CAST.2012` The value of an expression is cast to an inappropriate essential type
10.6	Required	Yes	`MISRA.ETYPE.COMP.ASSIGN.2012` The value of a composite expression is assigned to an object with a wider essential type
10.7	Required	Yes	`MISRA.ETYPE.COMP.CAST.IMPL.WIDER.2012` A composite expression used as an operand of an operator in which the usual arithmetic conversions are performed has its other operand having a wider essential type
10.8	Required	Yes	`MISRA.ETYPE.COMP.CAST.EXPL.DIFFERENT.2012` The value of a composite expression is cast to a different essential type category `MISRA.ETYPE.COMP.CAST.EXPL.WIDER.2012` The value of a composite expression is cast to a wider essential type
11.1	Required	Yes	`MISRA.CAST.FUNC_PTR.2012` Conversion performed between a pointer to a function and another incompatible type
11.2	Required	Yes	`MISRA.CAST.INCOMPLETE_PTR_TO_ANY.2012` Conversion performed between a pointer to an incomplete type and a different type
11.3	Required	Yes	`MISRA.CAST.OBJ_PTR_TO_OBJ_PTR.2012` Cast between a pointer to object type and a pointer to a different object type
11.4	Advisory	Yes	`MISRA.CAST.OBJ_PTR_TO_INT.2012` Conversion performed between a pointer to an object and an integer type
11.5	Advisory	Yes	`MISRA.CAST.VOID_PTR_TO_OBJ_PTR.2012` Conversion performed from a pointer to void to a pointer to an object
11.6	Required	Yes	`MISRA.CAST.VOID_PTR_TO_INT.2012` Cast between a pointer to void and an arithmetic type
11.7	Required	Yes	`MISRA.CAST.OBJ_PTR_TO_NON_INT.2012` A cast between a pointer to object and a non-integer arithmetic type
11.8	Required	Yes	`MISRA.CAST.CONST` Cast operation removes const or volatile modifier from a pointer or reference
11.9	Required	Yes	`MISRA.LITERAL.NULL.PTR.CONST.2012` The macro NULL is the only permitted form of integer null pointer constant
12.1	Advisory	Yes	`MISRA.EXPR.PARENS.2012` The precedence of operators within expressions should be made explicit. `MISRA.EXPR.PARENS.SIZEOF.2012` The operand of the sizeof operator should be parenthesized.
12.2	Required	No	`MISRA.SHIFT.RANGE.2012` Right operand of shift operation is out of range - greater or equal to the essential type size of left operand, or is negative
12.3	Advisory	Yes	`MISRA.COMMA` Comma operator is used
12.4	Advisory	Yes	`MISRA.COMP.WRAPAROUND` Wrap-around in a condition
12.5	Mandatory	Yes	`MISRA.EXPR.SIZEOF.ARRAY_PARAM.2012_AMD1` The sizeof operator has an operand which is a function parameter declared as "array of type"
13.1	Required	No
13.2	Required	No	`PORTING.VAR.EFFECTS` Variable used twice in one expression where one usage is subject to side-effects
13.3	Advisory	Yes	`MISRA.INCR_DECR.SIDEEFF.2012` A full expression containing an increment (++) or decrement (--) operator should have no other potential side effects other than that caused by the increment or decrement operator
13.4	Advisory	Yes	`MISRA.ASSIGN.SUBEXPR.2012` The result of an assignment operator is used
13.5	Required	No	`MISRA.LOGIC.SIDEEFF` Right operand in a logical 'and' or 'or' expression contains side effects
13.6	Mandatory	Yes	`MISRA.SIZEOF.SIDE_EFFECT` Operand of sizeof has side effects
14.1	Required	No	`MISRA.FOR.COUNTER.FLT` For loop counter has a floating point type
14.2	Required	No
14.3	Required	No	`INVARIANT_CONDITION.GEN` Invariant expression in a condition `INVARIANT_CONDITION.UNREACH` Invariant expression in a condition
14.4	Required	Yes	`MISRA.STMT.COND.NOT_BOOLEAN.2012` The controlling expression of an if statement or loop statement is not 'Essentially Boolean' type
15.1	Advisory	Yes	`MISRA.GOTO` Goto statement is used
15.2	Required	Yes	`MISRA.GOTO.AFTER_LABEL.2012` Goto jumps to label declared before in same function.
15.3	Required	Yes	`MISRA.GOTO.NESTED.2012` Label referenced by goto is not in this or enclosing block.
15.4	Advisory	Yes	`MISRA.BREAK_OR_GOTO.MULTIPLE.2012` Iteration statement has more than one break or goto for loop termination.
15.5	Advisory	Yes	`MISRA.RETURN.NOT_LAST` Return is not the last statement in a function
15.6	Required	Yes	`MISRA.IF.NO_COMPOUND` The body of if/else statement is not a compound statement `MISRA.STMT.NO_COMPOUND` The body of switch, while, do/while or for statement is not a compound statement
15.7	Required	Yes	`MISRA.IF.NO_ELSE` A chain of if/else-if statements is not terminated with else or is terminated with an empty else clause
16.1	Required	Yes	`MISRA.SWITCH.WELL_FORMED.2012` All switch statements shall be well-formed.
16.2	Required	Yes	`MISRA.SWITCH.WELL_FORMED.NESTED_LABEL.2012` A switch label shall only be used when the most closely-enclosing compound statement is the body of the switch statement.
16.3	Required	Yes	`MISRA.SWITCH.WELL_FORMED.BREAK.2012` An unconditional break statement shall terminate every switch-clause.
16.4	Required	Yes	`MISRA.SWITCH.WELL_FORMED.DEFAULT.2012` Every switch statement shall have a default label.
16.5	Required	Yes	`MISRA.SWITCH.WELL_FORMED.DEFAULT.FIRST_OR_LAST.2012` A default label shall appear as either the first or the last switch label of a switch statement.
16.6	Required	Yes	`MISRA.SWITCH.WELL_FORMED.TWO_CLAUSES.2012` Every switch statement shall have at least two switch-clauses.
16.7	Required	Yes	`MISRA.SWITCH.COND.BOOL.2012` A switch-expression shall not have essentially Boolean type.
17.1	Required	Yes	`MISRA.FUNC.VARARG` Function with variable number of arguments
17.2	Required	No	`MISRA.FUNC.RECUR` Recursive function
17.4	Mandatory	Yes	`FUNCRET.GEN` Non-void function does not return value `FUNCRET.IMPLICIT` Non-void function implicitly returning int does not return value
17.5	Advisory	No
17.6	Mandatory	Yes	`MISRA.FUNC.ARRAY.PARAM.STATIC.2012` The declaration of an array parameter shall not contain the static keyword between the []
17.7	Required	Yes	`MISRA.FUNC.UNUSEDRET.2012` The return value of a non-void function shall be used.
17.8	Advisory	No	`MISRA.FUNC.MODIFIEDPAR.2012` A function parameter should not be modified
18.1	Required	No	`ABV.GENERAL` Buffer Overflow - Array Index Out of Bounds `MISRA.PTR.ARITH.NOT_SAME.2012` A pointer resulting from arithmetic on a pointer operand shall address an element of the same array as that pointer operand
18.2	Required	No
18.3	Required	No
18.4	Advisory	Yes	`MISRA.PTR.ARITH.2012` Pointer is used in arithmetic expression
18.5	Advisory	Yes	`MISRA.PTR.TO_PTR_TO_PTR` Pointer declaration has more than two levels of indirection
18.6	Required	No	`LOCRET.ARG` Function returns address of local variable `LOCRET.GLOB` Function returns address of local variable `LOCRET.RET` Function returns address of local variable
18.7	Required	Yes	`MISRA.MEMB.FLEX_ARRAY.2012` Flexible array member shall not be declared
18.8	Required	Yes	`MISRA.ARRAY.VAR_LENGTH.2012` Variable-length array types shall not be used
19.1	Mandatory	Yes	`MISRA.ASSIGN.OVERLAP` Object is assigned to an overlapping object
19.2	Advisory	Yes	`MISRA.UNION` Union is used
20.1	Advisory	Yes	`MISRA.INCL.INSIDE` Include directive preceded by a preprocessor output token
20.2	Required	Yes	`MISRA.INCL.SYMS` Non-standard characters in header file names
20.3	Required	Yes	`MISRA.INCL.BAD` Non-standard include directive
20.4	Required	Yes	`MISRA.DEFINE.WRONGNAME.C99.2012` A macro shall not be defined with the same name as a keyword
20.5	Advisory	Yes	`MISRA.UNDEF` Undef usage
20.6	Required	Yes	`MISRA.EXPANSION.DIRECTIVE` Directive-like tokens within a macro argument
20.7	Required	Yes
20.8	Required	Yes	`MISRA.ELIF.COND.NOT_BOOL.2012` #elif condition is not 0 or 1 `MISRA.IF.COND.NOT_BOOL.2012` #if condition is not 0 or 1
20.9	Required	Yes	`MISRA.ELIF.UNDEF` Undefined macros in #elif directive `MISRA.IF.UNDEF` Undefined macros in #if directive
20.10	Advisory	Yes	`MISRA.DEFINE.SHARP` # or ## operator in a macro definition
20.11	Required	Yes	`MISRA.DEFINE.SHARP.ORDER.2012` Unspecified order of evaluation of multiple '#' or '##'
20.12	Required	Yes	`MISRA.DEFINE.SHARP.REPLACE.2012` A macro parameter used as an operand to the '#' or '##' operators, which is itself subject to further macro replacement, shall only be used as an operand to these operators
20.13	Required	Yes	`MISRA.USE.UNKNOWNDIR` Unknown preprocessor directive is used
20.14	Required	Yes	`MISRA.ELIF.OTHERFILE` #elif in an improper file `MISRA.ELSE.OTHERFILE` #else in an improper file `MISRA.ENDIF.OTHERFILE` #endif in an improper file
21.1	Required	Yes	`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.UNDEF.WRONGNAME` Undefinition of a name from the standard library `MISRA.UNDEF.WRONGNAME.UNDERSCORE` Undefinition of a reserved name
21.2	Required	Yes	`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
21.3	Required	Yes	`MISRA.STDLIB.MEMORY` Use of dynamic heap memory allocation
21.4	Required	Yes	`MISRA.STDLIB.LONGJMP` Use of setjmp macro or longjmp function
21.5	Required	Yes	`MISRA.INCL.SIGNAL.2012` The standard header file signal.h shall not be used `MISRA.STDLIB.SIGNAL` Use of the signal handling facilities of signal.h
21.6	Required	Yes	`MISRA.DEFINE.STDIO.WCHAR.2012` Inappropriate macro expansion `MISRA.INCL.STDIO.2012` The standard header files stdio.h shall not be used `MISRA.STDLIB.STDIO` Use of input/output library stdio.h in production code `MISRA.STDLIB.STDIO.WCHAR.2012` Wide-character equivalent identifiers from stdio.h shall not be used
21.7	Required	Yes	`MISRA.STDLIB.ATOI` Use of 'atof', 'atoi' or 'atol' from library stdlib.h
21.8	Required	Yes	`MISRA.STDLIB.ABORT.2012_AMD1` Use of 'abort', 'exit', or 'system' from library stdlib.h
21.9	Required	Yes	`MISRA.STDLIB.BSEARCH.2012` Use of 'bsearch' or 'qsort' from library stdlib.h
21.10	Required	Yes	`MISRA.DEFINE.WCSFTIME.2012` No macro with 'wcsftime' name shall be expanded `MISRA.INCL.TIME.2012` The standard header file time.h shall not be used `MISRA.STDLIB.TIME` Use of the time handling functions of library time.h `MISRA.STDLIB.WCSFTIME.2012` The identifier 'wcsftime' shall not be used
21.11	Required	Yes	`MISRA.INCL.TGMATH.2012` The standard header file tgmath.h shall not be used
21.12	Advisory	Yes	`MISRA.STDLIB.FENV.2012` Floating-point exception feature from fenv.h is used `MISRA.STDLIB.FENV.MACRO.2012` Floating-point exception feature from fenv.h is used
21.13	Mandatory	No	`MISRA.STDLIB.CTYPE.RANGE.2012_AMD1` Any value passed to a function in ctype.h shall be representable as an unsigned char or be the value EOF
21.14	Required	No
21.15	Required	Yes	`MISRA.STDLIB.INCOMPAT_ARGS.2012_AMD1` The pointer arguments to memcpy, memmove, or memcmp are not pointers to compatible types
21.16	Required	Yes
21.17	Mandatory	No	`ABV.ANY_SIZE_ARRAY` Buffer Overflow - Array Index Out of Bounds `ABV.GENERAL` Buffer Overflow - Array Index Out of Bounds `ABV.MEMBER` Buffer Overflow - Array Index Out of Bounds `ABV.STACK` Buffer Overflow - Local Array Index Out of Bounds `ABV.UNKNOWN_SIZE` Buffer Overflow - Array Index Out of Bounds `NNTS.MIGHT` Buffer Overflow - Non-null Terminated String `NNTS.MUST` Buffer Overflow - Non-null Terminated String
21.18	Mandatory	No	`ABV.ANY_SIZE_ARRAY` Buffer Overflow - Array Index Out of Bounds `ABV.GENERAL` Buffer Overflow - Array Index Out of Bounds `ABV.MEMBER` Buffer Overflow - Array Index Out of Bounds `ABV.STACK` Buffer Overflow - Local Array Index Out of Bounds `ABV.UNKNOWN_SIZE` Buffer Overflow - Array Index Out of Bounds
21.19	Mandatory	No	`MISRA.STDLIB.ILLEGAL_WRITE.2012_AMD1` The pointers returned by the Standard Library functions localeconv, getenv, setlocale or, strerror shall only be used as if they have pointer to const-qualified type
21.20	Mandatory	No	`MISRA.STDLIB.ILLEGAL_REUSE.2012_AMD1` The pointer returned by the Standard Library functions asctime and similar shall not be used following a subsequent call to the same function
21.21	Required	Yes
22.1	Required	No	`FREE.INCONSISTENT` Inconsistent Freeing of Memory `MLK.MIGHT` Memory Leak - possible `MLK.MUST` Memory Leak `MLK.RET.MIGHT` Memory Leak - possible `MLK.RET.MUST` Memory Leak `RH.LEAK` Resource leak
22.2	Mandatory	No	`FMM.MIGHT` Freeing Mismatched Memory - possible `FMM.MUST` Freeing Mismatched Memory `FNH.MIGHT` Freeing Non-Heap Memory - possible `FNH.MUST` Freeing Non-Heap Memory `FUM.GEN.MIGHT` Freeing Unallocated Memory - possible `FUM.GEN.MUST` Freeing Unallocated Memory
22.3	Required	No
22.4	Mandatory	No	`MISRA.RESOURCES.FILE.READ_ONLY_WRITE.2012` There shall be no attempt to write to a stream which has been opened as read-only
22.5	Mandatory	No	`MISRA.FILE_PTR.DEREF.2012` A pointer to a FILE object shall not be dereferenced `MISRA.FILE_PTR.DEREF.CAST.2012` Object is casted to a FILE pointer, and it shall not be dereferenced `MISRA.FILE_PTR.DEREF.INDIRECT.2012` A pointer to a FILE object shall not be indirectly dereferenced by a system function `MISRA.FILE_PTR.DEREF.RETURN.2012` A pointer to a FILE object (returned by function) shall not be dereferenced
22.6	Mandatory	No	`MISRA.RESOURCES.FILE.USE_AFTER_CLOSE.2012` The value of a pointer to a FILE shall not be used after the associated stream has been closed
22.7	Required	No
22.8	Required	No
22.9	Required	No
22.10	Required	No