Checker | Guideline |
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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 |
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 | PRE31-C. Avoid side effects in arguments 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_FREE | MEM34-C. Only free memory allocated dynamically |
BAD_SHIFT | INT32-C. 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 | ERR33-C. Detect and handle standard library errors |
CHECKED_RETURN | POS54-C. Detect and handle POSIX library errors |
CHECKED_RETURN | EXP12-C. Do not ignore values returned by functions |
CONSTANT_EXPRESSION_RESULT | EXP46-C. Do not use a bitwise operator with a Boolean-like operand |
DEADCODE | MSC07-C. Detect and remove dead code |
DEADCODE | MSC12-C. Detect and remove code that has no effect or is never executed |
DIVIDE_BY_ZERO | INT33-C. Ensure that division and 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) | CON40-C. Do not refer 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 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_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 | CON32-C. Prevent data races when accessing bit-fields from multiple threads |
MISSING_LOCK (partial) | CON43-C. Do 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 | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
NEGATIVE_RETURNS | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts | NO_EFFECT | EXP33-C. Do not read uninitialized memory |
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 | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
POINTER_CONVERSION_LOSES_BITS | INT36-C. Converting a pointer to integer or integer to pointer |
OVERRUN | 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 PW.DEPRECATED_STRING_CONV | STR30-C. Do not attempt to modify string literals |
PW | STR38-C. Do not confuse narrow and wide character strings and functions |
PW .PRINTF_ARG_MISMATCH | FIO47-C. Use valid format strings |
PW.LINKAGE_CONFLICT | DCL36-C. Do not declare an identifier with conflicting linkage classifications |
PW.POINTER_CONVERSION_LOSES_BITS | INT36-C. Converting a pointer to integer or integer to pointer |
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) | FIO42-C. Close 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 | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
REVERSE_NEGATIVE | ARR32-C. Ensure size arguments for variable length arrays are in a valid range | SECURE_CODING | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
SECURE_TEMP | 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. Do 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 | MEM30-C. Do not access freed memory |
USE_AFTER_FREE | FIO46-C. Do not access a closed file |
USE_AFTER_FREE | MEM01-C. Store a new value in pointers immediately after free() |
Various concurrency checkers | POS49-C. When data must be accessed by multiple threads, provide a mutex and guarantee no adjacent data is also accessed |
VOLATILE_ATOICITY (possible) | CON40-C. Do not refer to an atomic variable twice in an expression |