Checker | Guideline |
|---|
| ALLOC_FREE_MISMATCH | MEM31-C. Free dynamically allocated memory when no longer needed |
| ALLOC_FREE_MISMATCH | CON30-C. Clean up thread-specific storage |
| ALLOC_FREE_MISMATCH (needs improvement) | WIN30-C. Properly pair allocation and deallocation functions | C checkers | Guideline |
|---|
| ARRAY_VS_SINGLETON | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| ARRAY_VS_SINGLETON | ARR37-C. Do not add or subtract an integer to a pointer to a non-array object |
| ASSERT_SIDE_EFFECT | MSC11-C. Incorporate diagnostic tests using assertions |
| ASSERT_SIDE_EFFECTS | EXP31 PRE31-C. Avoid side effects in assertionsarguments to unsafe macros |
| BAD_ALLOC_ARITHMETIC | ARR38-C. Guarantee that library functions do not form invalid pointers |
| BAD_ALLOC_STRLEN | ARR38-C. Guarantee that library functions do not form invalid pointers |
| BAD_ALLOC_STRLEN | MEM35-C. Allocate sufficient memory for an object |
| BAD_CHECK_OF_WAIT_COND | CON41-C. Wrap functions that can fail spuriously in a loop |
| BAD_COMPARE | EXP16-C. Do not compare function pointers to constant values |
| BAD_COMPARE | MSC02-C. Avoid errors of omission | BAD_FREE | MEM34-C. Only free memory allocated dynamically |
| BUFFER BAD_SIZE SHIFT | ARR33 INT32-C. Guarantee that copies are made into storage of sufficient size |
CHAR_IO | FIO34-C. Use int to capture the return value of character IO functions |
CHECKED_RETURN | ERR33-C. Detect and handle standard library errors |
CHECKED_RETURN | EXP12-C. Do not ignore values returned by functions |
CHECKED_RETURN | EXP34-C. Do not dereference null pointers |
CHECKED_RETURN | FIO04-C. Detect and handle input and output errors |
CHECKED_RETURN | FIO33-C. Detect and handle input output errors resulting in undefined behavior |
| Ensure that operations on signed integers do not result in overflow |
| BAD_SHIFT | INT34-C. Do not shift an expression by a negative number of bits or by greater than or equal to the number of bits that exist in the operand |
| BAD_SIZEOF | ARR38-C. Guarantee that library functions do not form invalid pointers |
| BAD_SIZEOF | ARR39-C. Do not add or subtract a scaled integer to a pointer |
| BUFFER_SIZE | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| BUFFER_SIZE | ARR38-C. Guarantee that library functions do not form invalid pointers |
| BUFFER_SIZE | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
| CHAR_IO | FIO34-C. Distinguish between characters read from a file and EOF or WEOF |
| CHECKED_RETURN | EXP34-C. Do not dereference null pointers |
| CHECKED_RETURN | POS54-C. Detect and handle POSIX library errors |
| CHECKED_RETURN | EXP12-C. Do not ignore values returned by functions | CHECKED_RETURN | MEM32-C. Detect and handle memory allocation errors |
| CONSTANT_EXPRESSION_RESULT | EXP17 EXP46-C. Do not perform bitwise operations in conditional expressionsuse a bitwise operator with a Boolean-like operand |
| DEADCODE | MSC07-C. Detect and remove dead code |
| DEADLOCK DEADCODE | CON35 MSC12-C. Avoid deadlock by locking in a predefined orderDetect and remove code that has no effect or is never executed |
| DIVIDE_BY_ZERO | INT33-C. Ensure that division and modulo remainder operations do not result in divide-by-zero errors |
| DONT_CALL | ENV33-C. Do not call system() |
| DONTCALL | MSC30-C. Do not use the rand() function for generating pseudorandom numbers |
| EVALUATION_ORDER | EXP30-C. Do not depend on the order of evaluation for side effects |
| EVALUATION_ORDER | EXP10-C. Do not depend on the order of evaluation of subexpressions or the order in which side effects take place |
| EVALUATION_ORDER (partial) | EXP30 CON40-C. Do not depend on order of evaluation for side-effectsrefer to an atomic variable twice in an expression |
| FORWARD_NULL | EXP34-C. Do not dereference null pointers |
| INTEGER_OVERFLOW | INT30-C. Ensure that unsigned integer operations do not wrap | LINKAGE_CONFLICT | DCL36-C. Do not declare an identifier with conflicting linkage classifications |
| LOCK | CON01-C. Acquire and release synchronization primitives in the same module, at the same level of abstraction |
| MISRA 2012 Rule 13.2 | CON40-C. Do not refer to an atomic variable twice in an expression |
| MISRA _CAST C 2004 17.2 | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
| MISRA C 2004 17.3 | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
| MISRA C 2004 Rule 10.x (needs investigation) | FLP36-C. Preserve precision when converting integral values to floating-point type |
| MISRA C 2004 Rule 11.4 | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| MISRA C 2004 Rule 11.5 | EXP40-C. Do not modify constant objects |
| MISRA C 2004 Rule 12.3 | EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic |
| MISRA C 2004 Rule 13.4 | FLP30-C. Do not use floating-point variables as loop counters |
| MISRA C 2004 Rule 15.0 | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| MISRA C 2004 Rule 20.1 | DCL37-C. Do not declare or define a reserved identifier |
| MISRA C 2004 Rule 20.2 | DCL37-C. Do not declare or define a reserved identifier |
| MISRA C 2012 18.2 | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
| MISRA C 2012 18.3 | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
| MISRA C 2012 Rule 8.1 | DCL31-C. Declare identifiers before using them |
| MISRA C 2012 Rule 8.2 | EXP37-C. Call functions with the correct number and type of arguments |
| MISRA C 2012 Rule 8.4 | DCL40-C. Do not create incompatible declarations of the same function or object |
| MISRA C 2012 Rule 8.14 | EXP43-C. Avoid undefined behavior when using restrict-qualified pointers |
| MISRA C 2012 Rule 10.1 | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
| MISRA C 2012 Rule 10.2 | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
| MISRA C 2012 Rule 10.3 | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
| MISRA C 2012 Rule 10.4 | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
| MISRA C 2012 Rule 11.1 | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| MISRA C 2012 Rule 11.2 | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| MISRA C 2012 Rule 11.5 | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| MISRA C 2012 Rule 11.7 | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| MISRA C 2012 Rule 11.8 | EXP32-C. Do not access a volatile object through a nonvolatile reference |
| MISRA C 2012 Rule 14.1 | FLP30-C. Do not use floating-point variables as loop counters |
| MISRA C 2012 Rule 16.1 | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| MISRA C 2012 Rule 17.3 | EXP37-C. Call functions with the correct number and type of arguments |
| MISRA C 2012 Rule 21.1 | DCL37-C. Do not declare or define a reserved identifier |
| MISRA C 2012 Rule 21.2 | DCL37-C. Do not declare or define a reserved identifier |
| MISRA C 2012 Rule 21.5 | CON37-C. Do not call signal() in a multithreaded program |
| MISRA C 2012 Rule 22.5 | FIO38-C. Do not copy a FILE object |
| MISRA C 2012 Rule 22.8 | ERR30-C. Take care when reading errno |
| MISRA C 2012 Rule 22.8 | ERR32-C. Do not rely on indeterminate values of errno |
| MISRA C 2012 Rule 22.8 | ERR33-C. Detect and handle standard library errors |
| MISRA C 2012 Rule 22.9 | ERR30-C. Take care when reading errno |
| MISRA C 2012 Rule 22.9 | ERR32-C. Do not rely on indeterminate values of errno |
| MISRA C 2012 Rule 22.9 | ERR33-C. Detect and handle standard library errors |
| MISRA C 2012 Rule 22.10 | ERR30-C. Take care when reading errno |
| MISRA C 2012 Rule 22.10 | ERR32-C. Do not rely on indeterminate values of errno |
| MISRA C 2012 Rule 22.10 | ERR33-C. Detect and handle standard library errors |
| MISRA | FLP34-C. Ensure that floating-point conversions are within range of the new type | MISRA_CAST | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
| MISRA_CAST (needs verification) | FLP34-C. Ensure that floating-point conversions are within range of the new type |
| MISSING_BREAK | MSC17-C. Finish every set of statements associated with a case label with a break statement |
| MISSING_LOCK | CON00 CON32-C. Avoid race conditions with Prevent data races when accessing bit-fields from multiple threads |
| MISSING_RETURN LOCK (partial) | CON43MSC02-C. Avoid errors of omissionDo not allow data races in multithreaded code |
| MISSING_RETURN | MSC37-C. Ensure that control never reaches the end of a non-void function | NEGATIVE_RETURNS | ARR30-C. Do not form or use out of bounds pointers or array subscripts |
| NEGATIVE_RETURNS | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
| NO NEGATIVE_EFFECT RETURNS | EXP33 ARR30-C. Do not read uninitialized memoryform or use out-of-bounds pointers or array subscripts |
| NO_EFFECT | MSC12-C. Detect and remove code that has no effect or is never executed |
| NULL_RETURNS | EXP34-C. Do not dereference null pointers |
| OPEN_ARGS | FIO03-C. Do not make assumptions about fopen() and file creation |
| ORDER_REVERSAL | CON35-C. Avoid deadlock by locking in a predefined order |
| OVERFLOW_BEFORE_WIDEN | INT18-C. Evaluate integer expressions in a larger size before comparing or assigning to that size |
| OVERRUN _DYNAMIC | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| OVERRUN _STATIC | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
| PW | EXP40-C. Do not modify constant objects |
| PW | STR30-C. Do not attempt to modify string literals |
| PW | STR38-C. Do not confuse narrow and wide character strings and functions |
| PW | FIO47-C. Use valid format strings |
| PW.LINKAGE_CONFLICT | DCL36ARR30-C. Do not form or use out of bounds pointers or array subscriptsdeclare an identifier with conflicting linkage classifications |
| PW.POINTER_CONVERSION_LOSES_BITS | INT11 INT36-C. Converting a pointer to integer or integer to pointer RACE_CONDITION |
CON32-C. Prevent data races when accessing adjacent data by multiple threads | READLINK | POS30-C. Use the readlink() function properly |
| RESOURCE_LEAK | MEM31-C. Free dynamically allocated memory when no longer needed |
| RESOURCE_LEAK | MEM00-C. Allocate and free memory in the same module, at the same level of abstraction |
| RESOURCE_LEAK (partial) | MEM31 FIO42-C. Free dynamically allocated memory exactly onceClose files when they are no longer needed |
| RETURN_LOCAL | DCL30-C. Declare objects with appropriate storage durations |
| REVERSE_INULL | EXP34-C. Do not dereference null pointers |
| REVERSE_NEGATIVE | ARR32-C. Ensure size arguments for variable length arrays are in a valid range | REVERSE_NEGATIVE | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
| SECURE REVERSE_CODING NEGATIVE | STR35 ARR32-C. Do not copy data from an unbounded source to a fixed-length arrayEnsure size arguments for variable length arrays are in a valid range |
| SECURE_TEMP | FIO43 FIO21-C. Do not create temporary files in shared directories |
| SIZECHECK (deprecated) | MEM35-C. Allocate sufficient memory for an object |
| STACK_USE | MEM05-C. Avoid large stack allocations |
| STRING_NULL | STR32-C. Null-terminate byte strings as requiredDo not pass a non-null-terminated character sequence to a library function that expects a string |
| STRING_OVERFLOW | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
| STRING_SIZE | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
| TAINTED_STATIC SCALAR | INT32-C. Ensure that operations on signed integers do not result in overflow |
| TAINTED_STRING | FIO30-C. Exclude user input from format strings |
| TAINTED_STRING | STR02-C. Sanitize data passed to complex subsystems |
| TOCTOU | FIO45-C. Avoid TOCTOU race conditions while accessing files |
| TOCTOU | POS35-C. Avoid race conditions while checking for the existence of a symbolic link | TAINTED_STRING_WARNING | FIO30-C. Exclude user input from format strings |
| TOCTOU | FIO01-C. Be careful using functions that use file names for identification | UNCAUGHT_EXCEPT | ERR30-C. Set errno to zero before calling a library function known to set errno, and check errno only after the function returns a value indicating failure |
| UNINIT | EXP33-C. Do not read uninitialized memory |
| UNREACHABLE | MSC07-C. Detect and remove dead code |
| UNREACHABLE | MSC12-C. Detect and remove code that has no effect or is never executed |
| UNUSED_VALUE | MSC13-C. Detect and remove unused values |
| USE_AFTER_FREE | MEM01 MEM30-C. Store a new value in pointers immediately after free()Do not access freed memory |
| USE_AFTER_FREE | MEM30 FIO46-C. Do not access freed memorya closed file |
| USE_AFTER_FREE | MEM31-C. Free dynamically allocated memory exactly once |
