Checker | Guideline |
|---|
| CERT C: DCL00-C | DCL00-C. Const-qualify immutable objects |
| CERT C: Rec. ARR01-C | ARR01-C. Do not apply the sizeof operator to a pointer when taking the size of an array |
| CERT C: Rec. ARR02-C | ARR02-C. Explicitly specify array bounds, even if implicitly defined by an initializer |
| CERT C: Rec. CON01-C | CON01-C. Acquire and release synchronization primitives in the same module, at the same level of abstraction |
| CERT C: Rec. CON05-C | CON05-C. Do not perform operations that can block while holding a lock |
| CERT C: Rec. DCL01-C | DCL01-C. Do not reuse variable names in subscopes |
| CERT C: Rec. DCL02-C | DCL02-C. Use visually distinct identifiers |
| CERT C: Rec. DCL06-C | DCL06-C. Use meaningful symbolic constants to represent literal values |
| CERT C: Rec. DCL07-C | DCL07-C. Include the appropriate type information in function declarators |
| CERT C: Rec. DCL10-C | DCL10-C. Maintain the contract between the writer and caller of variadic functions |
| CERT C: Rec. DCL11-C | DCL11-C. Understand the type issues associated with variadic functions |
| CERT C: Rec. DCL12-C | DCL12-C. Implement abstract data types using opaque types |
| CERT C: Rec. DCL13-C | DCL13-C. Declare function parameters that are pointers to values not changed by the function as const |
| CERT C: Rec. DCL15-C | DCL15-C. Declare file-scope objects or functions that do not need external linkage as static |
| CERT C: Rec. DCL16-C | DCL16-C. Use "L," not "l," to indicate a long value |
| CERT C: Rec. DCL18-C | DCL18-C. Do not begin integer constants with 0 when specifying a decimal value |
| CERT C: Rec. DCL19-C | DCL19-C. Minimize the scope of variables and functions |
| CERT C: Rec. DCL22-C | DCL22-C. Use volatile for data that cannot be cached |
| CERT C: Rec. DCL23-C | DCL23-C. Guarantee that mutually visible identifiers are unique |
| CERT C: Rec. ENV01-C | ENV01-C. Do not make assumptions about the size of an environment variable |
| CERT C: Rec. ERR00-C | ERR00-C. Adopt and implement a consistent and comprehensive error-handling policy |
| CERT C: Rec. EXP00-C | EXP00-C. Use parentheses for precedence of operation |
| CERT C: Rec. EXP05-C | EXP05-C. Do not cast away a const qualification |
| CERT C: Rec. EXP08-C | EXP08-C. Ensure pointer arithmetic is used correctly |
| CERT C: Rec. EXP09-C | EXP09-C. Use sizeof to determine the size of a type or variable |
| CERT C: Rec. EXP10-C | EXP10-C. Do not depend on the order of evaluation of subexpressions or the order in which side effects take place |
| CERT C: Rec. EXP11-C | EXP11-C. Do not make assumptions regarding the layout of structures with bit-fields |
| CERT C: Rec. EXP12-C | EXP12-C. Do not ignore values returned by functions |
| CERT C: Rec. EXP13-C | EXP13-C. Treat relational and equality operators as if they were nonassociative |
| CERT C: Rec. EXP15-C | EXP15-C. Do not place a semicolon on the same line as an if, for, or while statement |
| CERT C: Rec. EXP19-C | EXP19-C. Use braces for the body of an if, for, or while statement |
| CERT C: Rec. FIO02-C | FIO02-C. Canonicalize path names originating from tainted sources |
| CERT C: Rec. FIO11-C | FIO11-C. Take care when specifying the mode parameter of fopen() |
| CERT C: Rec. FIO21-C | FIO21-C. Do not create temporary files in shared directories |
| CERT C: Rec. FIO24-C | FIO24-C. Do not open a file that is already open |
| CERT C: Rec. FLP00-C | FLP00-C. Understand the limitations of floating-point numbers |
| CERT C: Rec. FLP02-C | FLP02-C. Avoid using floating-point numbers when precise computation is needed |
| CERT C: Rec. FLP03-C | FLP03-C. Detect and handle floating-point errors |
| CERT C: Rec. FLP06-C | FLP06-C. Convert integers to floating point for floating-point operations |
| CERT C: Rec. INT00-C | INT00-C. Understand the data model used by your implementation(s) |
| CERT C: Rec. INT02-C | INT02-C. Understand integer conversion rules |
| CERT C: Rec. INT04-C | INT04-C. Enforce limits on integer values originating from tainted sources |
| CERT C: Rec. INT07-C | INT07-C. Use only explicitly signed or unsigned char type for numeric values |
| CERT C: Rec. INT08-C | INT08-C. Verify that all integer values are in range |
| CERT C: Rec. INT09-C | INT09-C. Ensure enumeration constants map to unique values |
| CERT C: Rec. INT10-C | INT10-C. Do not assume a positive remainder when using the % operator |
| CERT C: Rec. INT12-C | INT12-C. Do not make assumptions about the type of a plain int bit-field when used in an expression |
| CERT C: Rec. INT13-C | INT13-C. Use bitwise operators only on unsigned operands |
| CERT C: Rec. INT14-C | INT14-C. Avoid performing bitwise and arithmetic operations on the same data |
| CERT C: Rec. INT18-C | INT18-C. Evaluate integer expressions in a larger size before comparing or assigning to that size |
| CERT C: Rec. MEM00-C | MEM00-C. Allocate and free memory in the same module, at the same level of abstraction |
| CERT C: Rec. MEM01-C | MEM01-C. Store a new value in pointers immediately after free() |
| CERT C: Rec. MEM02-C | MEM02-C. Immediately cast the result of a memory allocation function call into a pointer to the allocated type |
| CERT C: Rec. MEM03-C | MEM03-C. Clear sensitive information stored in reusable resources |
| CERT C: Rec. MEM04-C | MEM04-C. Beware of zero-length allocations |
| CERT C: Rec. MEM05-C | MEM05-C. Avoid large stack allocations |
| CERT C: Rec. MEM06-C | MEM06-C. Ensure that sensitive data is not written out to disk |
| CERT C: Rec. MEM11-C | MEM11-C. Do not assume infinite heap space |
| CERT C: Rec. MEM12-C | MEM12-C. Consider using a goto chain when leaving a function on error when using and releasing resources |
| CERT C: Rec. MSC01-C | MSC01-C. Strive for logical completeness |
| CERT C: Rec. MSC04-C | MSC04-C. Use comments consistently and in a readable fashion |
| CERT C: Rec. MSC12-C | MSC12-C. Detect and remove code that has no effect or is never executed |
| CERT C: Rec. MSC13-C | MSC13-C. Detect and remove unused values |
| CERT C: Rec. MSC15-C | MSC15-C. Do not depend on undefined behavior |
| CERT C: Rec. MSC17-C | MSC17-C. Finish every set of statements associated with a case label with a break statement |
| CERT C: Rec. MSC18-C | MSC18-C. Be careful while handling sensitive data, such as passwords, in program code |
| CERT C: Rec. MSC20-C | MSC20-C. Do not use a switch statement to transfer control into a complex block |
| CERT C: Rec. MSC21-C | MSC21-C. Use robust loop termination conditions |
| CERT C: Rec. MSC22-C | MSC22-C. Use the setjmp(), longjmp() facility securely |
| CERT C: Rec. MSC24-C | MSC24-C. Do not use deprecated or obsolescent functions |
| CERT C: Rec. POS05-C | POS05-C. Limit access to files by creating a jail |
| CERT C: Rec. PRE00-C | PRE00-C. Prefer inline or static functions to function-like macros |
| CERT C: Rec. PRE01-C | PRE01-C. Use parentheses within macros around parameter names |
| CERT C: Rec. PRE06-C | PRE06-C. Enclose header files in an include guard |
| CERT C: Rec. PRE07-C | PRE07-C. Avoid using repeated question marks |
| CERT C: Rec. PRE09-C | PRE09-C. Do not replace secure functions with deprecated or obsolescent functions |
| CERT C: Rec. PRE10-C | PRE10-C. Wrap multistatement macros in a do-while loop |
| CERT C: Rec. PRE11-C | PRE11-C. Do not conclude macro definitions with a semicolon |
| CERT C: Rec. STR02-C | STR02-C. Sanitize data passed to complex subsystems |
| CERT C: Rec. STR03-C | STR03-C. Do not inadvertently truncate a string |
| CERT C: Rec. STR07-C | STR07-C. Use the bounds-checking interfaces for string manipulation |
| CERT C: Rec. STR11-C | STR11-C. Do not specify the bound of a character array initialized with a string literal |
| CERT C: Rec. WIN00-C | WIN00-C. Be specific when dynamically loading libraries |
| CERT C: Rule ARR30-C | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
| CERT C: Rule ARR32-C | ARR32-C. Ensure size arguments for variable length arrays are in a valid range |
| CERT C: Rule ARR36-C | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
| CERT C: Rule ARR37-C | ARR37-C. Do not add or subtract an integer to a pointer to a non-array object |
| CERT C: Rule ARR38-C | ARR38-C. Guarantee that library functions do not form invalid pointers |
| CERT C: Rule ARR39-C | ARR39-C. Do not add or subtract a scaled integer to a pointer |
| CERT C: Rule CON30-C | CON30-C. Clean up thread-specific storage |
| CERT C: Rule CON31-C | CON31-C. Do not destroy a mutex while it is locked |
| CERT C: Rule CON32-C | CON32-C. Prevent data races when accessing bit-fields from multiple threads |
| CERT C: Rule CON33-C | CON33-C. Avoid race conditions when using library functions |
| CERT C: Rule CON34-C | CON34-C. Declare objects shared between threads with appropriate storage durations |
| CERT C: Rule CON35-C | CON35-C. Avoid deadlock by locking in a predefined order |
| CERT C: Rule CON36-C | CON36-C. Wrap functions that can spuriously wake up in a loop |
| CERT C: Rule CON37-C | CON37-C. Do not call signal() in a multithreaded program |
| CERT C: Rule CON38-C | CON38-C. Preserve thread safety and liveness when using condition variables |
| CERT C: Rule CON39-C | CON39-C. Do not join or detach a thread that was previously joined or detached |
| CERT C: Rule CON40-C | CON40-C. Do not refer to an atomic variable twice in an expression |
| CERT C: Rule CON41-C | CON41-C. Wrap functions that can fail spuriously in a loop |
| CERT C: Rule CON43-C | CON43-C. Do not allow data races in multithreaded code |
| CERT C: Rule DCL30-C | DCL30-C. Declare objects with appropriate storage durations |
| CERT C: Rule DCL31-C | DCL31-C. Declare identifiers before using them |
| CERT C: Rule DCL36-C | DCL36-C. Do not declare an identifier with conflicting linkage classifications |
| CERT C: Rule DCL37-C | DCL37-C. Do not declare or define a reserved identifier |
| CERT C: Rule DCL38-C | DCL38-C. Use the correct syntax when declaring a flexible array member |
| CERT C: Rule DCL39-C | DCL39-C. Avoid information leakage when passing a structure across a trust boundary |
| CERT C: Rule DCL40-C | DCL40-C. Do not create incompatible declarations of the same function or object |
| CERT C: Rule DCL41-C | DCL41-C. Do not declare variables inside a switch statement before the first case label |
| CERT C: Rule ENV30-C | ENV30-C. Do not modify the object referenced by the return value of certain functions |
| CERT C: Rule ENV31-C | ENV31-C. Do not rely on an environment pointer following an operation that may invalidate it |
| CERT C: Rule ENV32-C | ENV32-C. All exit handlers must return normally |
| CERT C: Rule ENV33-C | ENV33-C. Do not call system() |
| CERT C: Rule ENV34-C | ENV34-C. Do not store pointers returned by certain functions |
| CERT C: Rule ERR30-C | 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 |
| CERT C: Rule ERR32-C | ERR32-C. Do not rely on indeterminate values of errno |
| CERT C: Rule ERR33-C | ERR33-C. Detect and handle standard library errors |
| CERT C: Rule ERR34-C | ERR34-C. Detect errors when converting a string to a number |
| CERT C: Rule EXP30-C | EXP30-C. Do not depend on the order of evaluation for side effects |
| CERT C: Rule EXP32-C | EXP32-C. Do not access a volatile object through a nonvolatile reference |
| CERT C: Rule EXP33-C | EXP33-C. Do not read uninitialized memory |
| CERT C: Rule EXP34-C | EXP34-C. Do not dereference null pointers |
| CERT C: Rule EXP36-C | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| CERT C: Rule EXP37-C | EXP37-C. Call functions with the correct number and type of arguments |
| CERT C: Rule EXP39-C | EXP39-C. Do not access a variable through a pointer of an incompatible type |
| CERT C: Rule EXP40-C | EXP40-C. Do not modify constant objects |
| CERT C: Rule EXP42-C | EXP42-C. Do not compare padding data |
| CERT C: Rule EXP43-C | EXP43-C. Avoid undefined behavior when using restrict-qualified pointers |
| CERT C: Rule EXP44-C | EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic |
| CERT C: Rule EXP45-C | EXP45-C. Do not perform assignments in selection statements |
| CERT C: Rule EXP46-C | EXP46-C. Do not use a bitwise operator with a Boolean-like operand |
| CERT C: Rule EXP47-C | EXP47-C. Do not call va_arg with an argument of the incorrect type |
| CERT C: Rule FIO30-C | FIO30-C. Exclude user input from format strings |
| CERT C: Rule FIO32-C | FIO32-C. Do not perform operations on devices that are only appropriate for files |
| CERT C: Rule FIO34-C | FIO34-C. Distinguish between characters read from a file and EOF or WEOF |
| CERT C: Rule FIO37-C | FIO37-C. Do not assume that fgets() or fgetws() returns a nonempty string when successful |
| CERT C: Rule FIO38-C | FIO38-C. Do not copy a FILE object |
| CERT C: Rule FIO39-C | FIO39-C. Do not alternately input and output from a stream without an intervening flush or positioning call |
| CERT C: Rule FIO40-C | FIO40-C. Reset strings on fgets() or fgetws() failure |
| CERT C: Rule FIO41-C | FIO41-C. Do not call getc(), putc(), getwc(), or putwc() with a stream argument that has side effects |
| CERT C: Rule FIO42-C | FIO42-C. Close files when they are no longer needed |
| CERT C: Rule FIO44-C | FIO44-C. Only use values for fsetpos() that are returned from fgetpos() |
| CERT C: Rule FIO45-C | FIO45-C. Avoid TOCTOU race conditions while accessing files |
| CERT C: Rule FIO46-C | FIO46-C. Do not access a closed file |
| CERT C: Rule FIO47-C | FIO47-C. Use valid format strings |
| CERT C: Rule FLP30-C | FLP30-C. Do not use floating-point variables as loop counters |
| CERT C: Rule FLP34-C | FLP34-C. Ensure that floating-point conversions are within range of the new type |
| CERT C: Rule FLP37-C | FLP37-C. Do not use object representations to compare floating-point values |
| CERT C: Rule INT30-C | INT30-C. Ensure that unsigned integer operations do not wrap |
| CERT C: Rule INT31-C | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
| CERT C: Rule INT32-C | INT32-C. Ensure that operations on signed integers do not result in overflow |
| CERT C: Rule INT33-C | INT33-C. Ensure that division and remainder operations do not result in divide-by-zero errors |
| CERT C: Rule INT34-C | 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 |
| CERT C: Rule INT35-C | INT35-C. Use correct integer precisions |
| CERT C: Rule INT36-C | INT36-C. Converting a pointer to integer or integer to pointer |
| CERT C: Rule MEM30-C | MEM30-C. Do not access freed memory |
| CERT C: Rule MEM31-C | MEM31-C. Free dynamically allocated memory when no longer needed |
| CERT C: Rule MEM33-C | MEM33-C. Allocate and copy structures containing a flexible array member dynamically |
| CERT C: Rule MEM34-C | MEM34-C. Only free memory allocated dynamically |
| CERT C: Rule MEM35-C | MEM35-C. Allocate sufficient memory for an object |
| CERT C: Rule MEM36-C | MEM36-C. Do not modify the alignment of objects by calling realloc() |
| CERT C: Rule MSC07-C | MSC07-C. Detect and remove dead code |
| CERT C: Rule MSC30-C | MSC30-C. Do not use the rand() function for generating pseudorandom numbers |
| CERT C: Rule MSC32-C | MSC32-C. Properly seed pseudorandom number generators |
| CERT C: Rule MSC33-C | MSC33-C. Do not pass invalid data to the asctime() function |
| CERT C: Rule MSC37-C | MSC37-C. Ensure that control never reaches the end of a non-void function |
| CERT C: Rule MSC38-C | MSC38-C. Do not treat a predefined identifier as an object if it might only be implemented as a macro |
| CERT C: Rule MSC39-C | MSC39-C. Do not call va_arg() on a va_list that has an indeterminate value |
| CERT C: Rule MSC40-C | MSC40-C. Do not violate constraints |
| CERT C: Rule MSC41-C | MSC41-C. Never hard code sensitive information |
| CERT C: Rule POS30-C | POS30-C. Use the readlink() function properly |
| CERT C: Rule POS34-C | POS34-C. Do not call putenv() with a pointer to an automatic variable as the argument |
| CERT C: Rule POS35-C | POS35-C. Avoid race conditions while checking for the existence of a symbolic link |
| CERT C: Rule POS36-C | POS36-C. Observe correct revocation order while relinquishing privileges |
| CERT C: Rule POS37-C | POS37-C. Ensure that privilege relinquishment is successful |
| CERT C: Rule POS38-C | POS38-C. Beware of race conditions when using fork and file descriptors |
| CERT C: Rule POS39-C | POS39-C. Use the correct byte ordering when transferring data between systems |
| CERT C: Rule POS44-C | POS44-C. Do not use signals to terminate threads |
| CERT C: Rule POS47-C | POS47-C. Do not use threads that can be canceled asynchronously |
| CERT C: Rule POS48-C | POS48-C. Do not unlock or destroy another POSIX thread's mutex |
| CERT C: Rule POS49-C | POS49-C. When data must be accessed by multiple threads, provide a mutex and guarantee no adjacent data is also accessed |
| CERT C: Rule POS50-C | POS50-C. Declare objects shared between POSIX threads with appropriate storage durations |
| CERT C: Rule POS51-C | POS51-C. Avoid deadlock with POSIX threads by locking in predefined order |
| CERT C: Rule POS52-C | POS52-C. Do not perform operations that can block while holding a POSIX lock |
| CERT C: Rule POS53-C | POS53-C. Do not use more than one mutex for concurrent waiting operations on a condition variable |
| CERT C: Rule POS54-C | POS54-C. Detect and handle POSIX library errors |
| CERT C: Rule PRE30-C | PRE30-C. Do not create a universal character name through concatenation |
| CERT C: Rule PRE31-C | PRE31-C. Avoid side effects in arguments to unsafe macros |
| CERT C: Rule PRE32-C | PRE32-C. Do not use preprocessor directives in invocations of function-like macros |
| CERT C: Rule SIG30-C | SIG30-C. Call only asynchronous-safe functions within signal handlers |
| CERT C: Rule SIG31-C | SIG31-C. Do not access shared objects in signal handlers |
| CERT C: Rule SIG34-C | SIG34-C. Do not call signal() from within interruptible signal handlers |
| CERT C: Rule SIG35-C | SIG35-C. Do not return from a computational exception signal handler |
| CERT C: Rule STR30-C | STR30-C. Do not attempt to modify string literals |
| CERT C: Rule STR31-C | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
| CERT C: Rule STR32-C | STR32-C. Do not pass a non-null-terminated character sequence to a library function that expects a string |
| CERT C: Rule STR34-C | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
| CERT C: Rule STR37-C | STR37-C. Arguments to character-handling functions must be representable as an unsigned char |
| CERT C: Rule STR38-C | STR38-C. Do not confuse narrow and wide character strings and functions |
| CERT C: Rule WIN30-C | WIN30-C. Properly pair allocation and deallocation functions |
| CERT-C: Rule EXP35-C | EXP35-C. Do not modify objects with temporary lifetime |
| CERT-C: Rule FLP32-C | FLP32-C. Prevent or detect domain and range errors in math functions |
| CERT-C: Rule FLP36-C | FLP36-C. Preserve precision when converting integral values to floating-point type |
