Checker | Guideline |
|---|
| array-index-range | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| array-size-global | ARR02-C. Explicitly specify array bounds, even if implicitly defined by an initializer |
| bitfield-type | INT12-C. Do not make assumptions about the type of a plain int bit-field when used in an expression |
| bitop-type | INT13-C. Use bitwise operators only on unsigned operands |
| compound-ifelse | EXP19-C. Use braces for the body of an if, for, or while statement |
| compound-loop | EXP19-C. Use braces for the body of an if, for, or while statement |
| empty-parameter-list | DCL20-C. Explicitly specify void when a function accepts no arguments |
| enum-implicit-value | INT09-C. Ensure enumeration constants map to unique values |
| error-information-unused-computed | EXP12-C. Do not ignore values returned by functions |
| 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 |
| file-dereference | FIO38-C. Do not copy a FILE object |
| float-comparison | FLP02-C. Avoid using floating-point numbers when precise computation is needed |
| float-division-by-zero | FLP03-C. Detect and handle floating-point errors |
| for-loop-float | FLP30-C. Do not use floating-point variables as loop counters |
| function-pointer-integer-cast | INT36-C. Converting a pointer to integer or integer to pointer |
| function-pointer-integer-cast-implicit | INT36-C. Converting a pointer to integer or integer to pointer |
| function-prototype | DCL07-C. Include the appropriate type information in function declarators |
| function-return-type | DCL31-C. Declare identifiers before using them |
| future-library-use | DCL37-C. Do not declare or define a reserved identifier |
| future-library-use | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| global-object-scope | DCL15-C. Declare file-scope objects or functions that do not need external linkage as static |
| global-object-scope | DCL19-C. Minimize the scope of variables and functions |
| implicit-function-declaration | DCL31-C. Declare identifiers before using them |
| implicit-function-declaration | DCL07-C. Include the appropriate type information in function declarators |
| int-division-by-zero | INT33-C. Ensure that division and remainder operations do not result in divide-by-zero errors |
| int-modulo-by-zero | INT33-C. Ensure that division and remainder operations do not result in divide-by-zero errors |
| integer-overflow | INT30-C. Ensure that unsigned integer operations do not wrap |
| integer-overflow | INT32-C. Ensure that operations on signed integers do not result in overflow |
| integer-overflow | INT08-C. Verify that all integer values are in range |
| invalid-free | MEM34-C. Only free memory allocated dynamically |
| language-override | DCL37-C. Do not declare or define a reserved identifier | language-override | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| language-override-c99 | DCL37-C. Do not declare or define a reserved identifier | language-override-c99 | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| local-object-scope | DCL19-C. Minimize the scope of variables and functions |
| logop-side-effect | EXP02-C. Be aware of the short-circuit behavior of the logical AND and OR operators |
| long-suffix | DCL16-C. Use "L," not "l," to indicate a long value |
| macro-argument-hash | PRE32-C. Do not use preprocessor directives in invocations of function-like macros |
| macro-function-like | PRE00-C. Prefer inline or static functions to function-like macros |
| macro-parameter-parentheses | PRE01-C. Use parentheses within macros around parameter names |
| missing-else | MSC01-C. Strive for logical completeness |
| mline-comment | MSC04-C. Use comments consistently and in a readable fashion |
| multiple-include | PRE06-C. Enclose header files in an inclusion include guard |
| null-dereferencing | EXP34-C. Do not dereference null pointers |
| null-dereferencing | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| octal-constant | DCL18-C. Do not begin integer constants with 0 when specifying a decimal value |
| parameter-missing-const | DCL00-C. Const-qualify immutable objects |
| parameter-missing-const | DCL13-C. Declare function parameters that are pointers to values not changed by the function as const |
| pointer-integral-cast | INT36-C. Converting a pointer to integer or integer to pointer |
| pointer-integral-cast-implicit | INT36-C. Converting a pointer to integer or integer to pointer |
| pointer-subtraction | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
| pointered-deallocation | DCL30-C. Declare objects with appropriate storage durations |
| pointered-deallocation | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| reserved-declaration | DCL37-C. Do not declare or define a reserved identifier |
| reserved-declaration DCL41-C. Do not declare variables inside a switch statement before the first case label reserved-declaration-c99 | DCL37-C. Do not declare or define a reserved identifier | reserved-declaration-c99 | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| reserved-identifier | DCL37-C. Do not declare or define a reserved identifier | reserved-identifier | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| return-implicit | MSC37-C. Ensure that control never reaches the end of a non-void function |
| sizeof | EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic |
| sline-comment | MSC04-C. Use comments consistently and in a readable fashion |
| sline-splicing | MSC04-C. Use comments consistently and in a readable fashion |
| statement-sideeffect | MSC12-C. Detect and remove code that has no effect or is never executed |
| static-declaration | DCL36-C. Do not declare an identifier with conflicting linkage classifications |
| stdlib-macro-ato | MSC24-C. Do not use deprecated or obsolescent functions |
| stdlib-macro-atoll | MSC24-C. Do not use deprecated or obsolescent functions |
| stdlib-use-ato | MSC24-C. Do not use deprecated or obsolescent functions |
| stdlib-use-atoll | MSC24-C. Do not use deprecated or obsolescent functions |
| Supported, but no explicit checker | DCL38-C. Use the correct syntax when declaring a flexible array member |
| Supported, but no explicit checker | EXP32-C. Do not access a volatile object through a nonvolatile reference |
| Supported, but no explicit checker | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| Supported, but no explicit checker | EXP37-C. Call functions with the correct number and type of arguments |
| Supported, but no explicit checker | EXP43-C. Avoid undefined behavior when using restrict-qualified pointers |
| Supported, but no explicit checker | EXP45-C. Do not perform assignments in selection statements |
| Supported, but no explicit checker | EXP46-C. Do not use a bitwise operator with a Boolean-like operand |
| Supported, but no explicit checker | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
| Supported, but no explicit checker | 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 |
| Supported, but no explicit checker | FLP34-C. Ensure that floating-point conversions are within range of the new type |
| Supported, but no explicit checker | FLP36-C. Preserve precision when converting integral values to floating-point type |
| Supported, but no explicit checker | ARR37-C. Do not add or subtract an integer to a pointer to a non-array object |
| Supported, but no explicit checker | ARR38-C. Guarantee that library functions do not form invalid pointers |
| Supported, but no explicit checker | STR30-C. Do not attempt to modify string literals |
| Supported, but no explicit checker | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
| Supported, but no explicit checker | STR32-C. Do not pass a non-null-terminated character sequence to a library function that expects a string |
| Supported, but no explicit checker | STR37-C. Arguments to character-handling functions must be representable as an unsigned char |
| Supported, but no explicit checker | MEM30-C. Do not access freed memory |
| Supported, but no explicit checker | MEM31-C. Free dynamically allocated memory when no longer needed |
| Supported, but no explicit checker | MEM33-C. Allocate and copy structures containing a flexible array member dynamically |
| Supported, but no explicit checker | MEM35-C. Allocate sufficient memory for an object |
| Supported, but no explicit checker | MEM36-C. Do not modify the alignment of objects by calling realloc() |
| Supported, but no explicit checker | FIO37-C. Do not assume that fgets() or fgetws() returns a nonempty string when successful |
| Supported, but no explicit checker | FIO39-C. Do not alternately input and output from a stream without an intervening flush or positioning call |
| Supported, but no explicit checker | FIO42-C. Close files when they are no longer needed |
| Supported, but no explicit checker | ENV33-C. Do not call system() |
| Supported, but no explicit checker | SIG30-C. Call only asynchronous-safe functions within signal handlers |
| Supported, but no explicit checker | SIG31-C. Do not access shared objects in signal handlers |
| Supported, but no explicit checker | SIG34-C. Do not call signal() from within interruptible signal handlers |
| Supported, but no explicit checker | 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 |
| Supported, but no explicit checker | ERR33-C. Detect and handle standard library errors |
| Supported, but no explicit checker | CON30-C. Clean up thread-specific storage |
| Supported, but no explicit checker | CON31-C. Do not destroy a mutex while it is locked |
| Supported, but no explicit checker | CON32-C. Prevent data races when accessing bit-fields from multiple threads |
| Supported, but no explicit checker | CON33-C. Avoid race conditions when using library functions |
| Supported, but no explicit checker | CON35-C. Avoid deadlock by locking in a predefined order |
| Supported, but no explicit checker | CON37-C. Do not call signal() in a multithreaded program |
| Supported, but no explicit checker | CON39-C. Do not join or detach a thread that was previously joined or detached |
| Supported, but no explicit checker | MSC30-C. Do not use the rand() function for generating pseudorandom numbers |
| Supported, but no explicit checker | MSC32-C. Properly seed pseudorandom number generators |
| Supported, but no explicit checker | MSC33-C. Do not pass invalid data to the asctime() function |
| Supported, but no explicit checker | MSC38-C. Do not treat a predefined identifier as an object if it might only be implemented as a macro |
| Supported, but no explicit checker | MSC40-C. Do not violate constraints |
| Supported, but no explicit checker | CON01-C. Acquire and release synchronization primitives in the same module, at the same level of abstraction |
| Supported, but no explicit checker | CON06-C. Ensure that every mutex outlives the data it protects |
| Supported, but no explicit checker | DCL01-C. Do not reuse variable names in subscopes |
| Supported, but no explicit checker | DCL10-C. Maintain the contract between the writer and caller of variadic functions |
| Supported, but no explicit checker | DCL23-C. Guarantee that mutually visible identifiers are unique |
| Supported, but no explicit checker | EXP03-C. Do not assume the size of a structure is the sum of the sizes of its members |
| Supported, but no explicit checker | EXP08-C. Ensure pointer arithmetic is used correctly |
| Supported, but no explicit checker | EXP11-C. Do not make assumptions regarding the layout of structures with bit-fields |
| Supported, but no explicit checker | EXP20-C. Perform explicit tests to determine success, true and false, and equality |
| Supported, but no explicit checker | FLP04-C. Check floating-point inputs for exceptional values |
| Supported, but no explicit checker | FLP06-C. Convert integers to floating point for floating-point operations |
| Supported, but no explicit checker | INT07-C. Use only explicitly signed or unsigned char type for numeric values |
| Supported, but no explicit checker | INT18-C. Evaluate integer expressions in a larger size before comparing or assigning to that size |
| Supported, but no explicit checker | MEM01-C. Store a new value in pointers immediately after free() |
| Supported, but no explicit checker | MEM04-C. Beware of zero-length allocations |
| Supported, but no explicit checker | MEM07-C. Ensure that the arguments to calloc(), when multiplied, do not wrap |
| Supported, but no explicit checker | MSC13-C. Detect and remove unused values |
| Supported, but no explicit checker | MSC15-C. Do not depend on undefined behavior |
| Supported, but no explicit checker | MSC21-C. Use robust loop termination conditions |
| Supported, but no explicit checker | MSC23-C. Beware of vendor-specific library and language differences |
| Supported, but no explicit checker | PRE09-C. Do not replace secure functions with deprecated or obsolescent functions |
| Supported, but no explicit checker | STR00-C. Represent characters using an appropriate type |
| Supported, but no explicit checker | STR04-C. Use plain char for characters in the basic character set |
| Supported, but no explicit checker | STR09-C. Don't assume numeric values for expressions with type plain character |
| Supported, but no explicit checker | STR11-C. Do not specify the bound of a character array initialized with a string literal |
| switch-clause-break | MSC17-C. Finish every set of statements associated with a case label with a break statement |
| switch-default | MSC01-C. Strive for logical completeness |
| switch-label | MSC20-C. Do not use a switch statement to transfer control into a complex block |
| switch-skipped-code | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| trigraph | PRE07-C. Avoid using repeated question marks |
| type-compatibility | DCL40-C. Do not create incompatible declarations of the same function or object |
| type-specifier | DCL31-C. Declare identifiers before using them |
| uninitialized-local-read | EXP33-C. Do not read uninitialized memory |
| uninitialized-variable-use | EXP33-C. Do not read uninitialized memory |
| unreachable-code | MSC12-C. Detect and remove code that has no effect or is never executed |
