Checker | Guideline |
---|
alignof-side-effect | EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic |
alloc-without-cast | MEM02-C. Immediately cast the result of a memory allocation function call into a pointer to the allocated type |
alloc-without-sizeof | EXP09-C. Use sizeof to determine the size of a type or variable |
array-index-range | ARR30-C. Do not form or use out-of-bounds pointers or array subscripts |
array-index-range-constant | 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 |
array_out_of_bounds | DCL38-C. Use the correct syntax when declaring a flexible array member |
array_out_of_bounds | ARR38-C. Guarantee that library functions do not form invalid pointers |
assignment-conditional | EXP45-C. Do not perform assignments in selection statements |
assignment-to-non-modifiable-lvalue | EXP40-C. Do not modify constant objects |
assignment-to-non-modifiable-lvalue | MSC40-C. Do not violate constraints |
bad-function | ERR07-C. Prefer functions that support error checking over equivalent functions that don't |
bad-function | WIN01-C. Do not forcibly terminate execution |
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 |
bitop-type | INT16-C. Do not make assumptions about representation of signed integers |
cast-pointer-void-arithmetic-implicit | MSC40-C. Do not violate constraints |
chained-comparison | EXP13-C. Treat relational and equality operators as if they were nonassociative |
char-sign-conversion | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
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 |
ctype-limits | STR37-C. Arguments to character-handling functions must be representable as an unsigned char |
dangling_pointer_use | MEM30-C. Do not access freed memory |
deadlock | CON35-C. Avoid deadlock by locking in a predefined order |
distinct-extern | DCL40-C. Do not create incompatible declarations of the same function or object |
empty-body | EXP15-C. Do not place a semicolon on the same line as an if, for, or while statement |
empty-parameter-list | DCL20-C. Explicitly specify void when a function accepts no arguments |
encoding-mismatch | STR10-C. Do not concatenate different type of string literals |
enum-implicit-value | INT09-C. Ensure enumeration constants map to unique values |
errno-reset | 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 |
error-information-unused | ERR33-C. Detect and handle standard library errors |
error-information-unused | EXP12-C. Do not ignore values returned by functions |
error-information-unused-computed | ERR33-C. Detect and handle standard library errors |
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 |
flexible-array-member-assignment | MEM33-C. Allocate and copy structures containing a flexible array member dynamically |
flexible-array-member-declaration | MEM33-C. Allocate and copy structures containing a flexible array member dynamically |
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-name-constant-comparison | EXP16-C. Do not compare function pointers to constant values |
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-pointer-integer-cast-implicit | MSC40-C. Do not violate constraints |
function-prototype | DCL07-C. Include the appropriate type information in function declarators |
function-return-type | DCL31-C. Declare identifiers before using them |
function-return-type | MSC40-C. Do not violate constraints |
future-library-use | DCL37-C. Do not declare or define a reserved identifier |
generic-selection-side-effect | EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic |
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 |
inappropriate-bool | EXP46-C. Do not use a bitwise operator with a Boolean-like operand |
inappropriate-pointer-cast-implicit | MSC40-C. Do not violate constraints |
incompatible-argument-type | EXP37-C. Call functions with the correct number and type of arguments |
incompatible-function-pointer-conversion | MSC40-C. Do not violate constraints |
incompatible-object-pointer-conversion | MSC40-C. Do not violate constraints |
initializer-excess | MSC40-C. Do not violate constraints |
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-array-size | MSC40-C. Do not violate constraints |
invalid-free | MEM34-C. Only free memory allocated dynamically |
language-override | DCL37-C. Do not declare or define a reserved identifier |
language-override-c99 | DCL37-C. Do not declare or define a reserved identifier |
literal-assignment | STR05-C. Use pointers to const when referring to string literals |
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-final-semicolon | PRE11-C. Do not conclude macro definitions with a semicolon |
macro-function-like | PRE00-C. Prefer inline or static functions to function-like macros |
macro-parameter-multiplied | PRE12-C. Do not define unsafe macros |
macro-parameter-parentheses | PRE01-C. Use parentheses within macros around parameter names |
macro-parameter-unused | PRE12-C. Do not define unsafe macros |
malloc-size-insufficient | MEM35-C. Allocate sufficient memory for an object |
memcmp-with-float | FLP37-C. Do not use object representations to compare floating-point values |
memcpy-with-padding | EXP42-C. Do not compare padding data |
missing-else | MSC01-C. Strive for logical completeness |
mmline-comment | MSC04-C. Use comments consistently and in a readable fashion |
multiple-atomic-accesses | CON40-C. Do not refer to an atomic variable twice in an expression |
multiple-include | PRE06-C. Enclose header files in an include guard |
multiple-volatile-accesses | EXP30-C. Do not depend on the order of evaluation for side effects |
multiple-volatile-accesses | EXP10-C. Do not depend on the order of evaluation of subexpressions or the order in which side effects take place |
named-declaration-parameter | API08-C. Avoid parameter names in a function prototype |
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-match | EXP37-C. Call functions with the correct number and type of arguments |
parameter-match-computed | EXP37-C. Call functions with the correct number and type of arguments |
parameter-match-type | EXP37-C. Call functions with the correct number and type of arguments |
parameter-match-type | MSC40-C. Do not violate constraints |
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-cast-alignment | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
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-integral-cast-implicit | MSC40-C. Do not violate constraints |
pointer-qualifier-cast-const | EXP40-C. Do not modify constant objects |
pointer-qualifier-cast-const | EXP05-C. Do not cast away a const qualification |
pointer-qualifier-cast-const-implicit | EXP40-C. Do not modify constant objects |
pointer-qualifier-cast-const-implicit | MSC40-C. Do not violate constraints |
pointer-qualifier-cast-const-implicit | EXP05-C. Do not cast away a const qualification |
pointer-qualifier-cast-volatile | EXP32-C. Do not access a volatile object through a nonvolatile reference |
pointer-qualifier-cast-volatile-implicit | EXP32-C. Do not access a volatile object through a nonvolatile reference |
pointer-qualifier-cast-volatile-implicit | MSC40-C. Do not violate constraints |
pointer-subtraction | ARR36-C. Do not subtract or compare two pointers that do not refer to the same array |
pointer-typedef | DCL05-C. Use typedefs of non-pointer types only |
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 |
precision-shift-width | 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 |
precision-shift-width-constant | 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 |
read_data_race | CON32-C. Prevent data races when accessing bit-fields from multiple threads |
read_data_race | CON43-C. Do not allow data races in multithreaded code |
redeclaration | MSC40-C. Do not violate constraints |
reserved-declaration | DCL37-C. Do not declare or define a reserved identifier |
reserved-declaration-c99 | DCL37-C. Do not declare or define a reserved identifier |
reserved-identifier | DCL37-C. Do not declare or define a reserved identifier |
restrict | EXP43-C. Avoid undefined behavior when using restrict-qualified pointers |
return-implicit | MSC37-C. Ensure that control never reaches the end of a non-void function |
scaled-pointer-arithmetic | ARR39-C. Do not add or subtract a scaled integer to a pointer |
signal-handler-shared-access | SIG31-C. Do not access shared objects in signal handlers |
signal-handler-signal-call | SIG34-C. Do not call signal() from within interruptible signal handlers |
signal-handler-unsafe-call | SIG30-C. Call only asynchronous-safe functions within signal handlers |
sizeof | EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic |
sizeof-array-parameter | ARR01-C. Do not apply the sizeof operator to a pointer when taking the size of an array |
sline-splicing | MSC04-C. Use comments consistently and in a readable fashion |
smline-comment | MSC04-C. Use comments consistently and in a readable fashion |
smline-comment | 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-function-declaration | DCL36-C. Do not declare an identifier with conflicting linkage classifications |
static-object-declaration | DCL36-C. Do not declare an identifier with conflicting linkage classifications |
stdlib-const-pointer-assign | ENV30-C. Do not modify the object referenced by the return value of certain functions |
stdlib-limits | FLP32-C. Prevent or detect domain and range errors in math functions |
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 |
stdlib-use-rand | MSC30-C. Do not use the rand() function for generating pseudorandom numbers |
stdlib-use-signal | CON37-C. Do not call signal() in a multithreaded program |
stdlib-use-system | ENV33-C. Do not call system() |
stream-argument-with-side-effects | FIO41-C. Do not call getc(), putc(), getwc(), or putwc() with a stream argument that has side effects |
string-literal-modfication | STR30-C. Do not attempt to modify string literals |
Supported indirectly via MISRA C:2004 rule 6.1. | STR04-C. Use plain char for characters in the basic character set |
Supported indirectly via MISRA C:2004 rule 6.1 and MISRA C:2012 rule 10.1. | STR00-C. Represent characters using an appropriate type |
Supported indirectly via MISRA C:2004 Rule 13.2. | EXP20-C. Perform explicit tests to determine success, true and false, and equality |
Supported indirectly via MISRA C:2004 Rule 17.4. | ARR37-C. Do not add or subtract an integer to a pointer to a non-array object |
Supported indirectly via MISRA C:2012 Rule 5.3. | DCL01-C. Do not reuse variable names in subscopes |
Supported indirectly via MISRA C:2012 rule 10.1. | STR09-C. Don't assume numeric values for expressions with type plain character |
Supported indirectly via MISRA C:2012 Rules 5.1, 5.2, 5.3, 5.4 and 5.5. | DCL23-C. Guarantee that mutually visible identifiers are unique |
Supported indirectly via MISRA C:2012 rules 10.1, 10.3 and 10.4. | INT07-C. Use only explicitly signed or unsigned char type for numeric values |
Supported via MISRA C:2012 Rules 10.1, 10.3, 10.4, 10.6 and 10.7 | INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data |
Supported, but no explicit checker | MEM31-C. Free dynamically allocated memory when no longer needed |
Supported, but no explicit checker | MEM36-C. Do not modify the alignment of objects by calling realloc() |
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 | 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 | CON33-C. Avoid race conditions when using library functions |
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 | 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 | 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 | DCL10-C. Maintain the contract between the writer and caller of variadic functions |
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 | 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 | PRE09-C. Do not replace secure functions with deprecated or obsolescent functions |
Supported: Astrée can detect subsequent code defects that this rule aims to prevent. | STR11-C. Do not specify the bound of a character array initialized with a string literal |
Supported: Astrée keeps track of all floating point rounding errors and loss of precision and reports code defects resulting from those. | FLP36-C. Preserve precision when converting integral values to floating-point type |
Supported: Astrée reports accesses outside the bounds of allocated memory. | EXP03-C. Do not assume the size of a structure is the sum of the sizes of its members |
Supported: Astrée reports defects due to returned (empty) strings. | FIO37-C. Do not assume that fgets() or fgetws() returns a nonempty string when successful |
Supported: Astrée reports non-standard language elements. | MSC23-C. Beware of vendor-specific library and language differences |
Supported: Astrée reports overflows due to insufficient precision. | INT35-C. Use correct integer precisions |
Supported: Astrée reports potential infinite loops. | MSC21-C. Use robust loop termination conditions |
Supported: Astrée reports potential runtime error resulting from missing checks for exceptional values. | FLP04-C. Check floating-point inputs for exceptional values |
Supported: Astrée reports potential runtime errors resulting from invalid pointer arithmetics. | EXP08-C. Ensure pointer arithmetic is used correctly |
Supported: Astrée reports runtime errors resulting from invalid assumptions. | EXP11-C. Do not make assumptions regarding the layout of structures with bit-fields |
Supported: Astrée reports undefined behavior. | MSC15-C. Do not depend on undefined behavior |
Supported: Astrée reports usage of invalid pointers. | MEM01-C. Store a new value in pointers immediately after free() |
Supported: This rule aims to prevent truncations and overflows. All possible overflows are reported by Astrée. | FLP06-C. Convert integers to floating point for floating-point operations |
SupportedAstrée reports all buffer overflows resulting from copying data to a buffer that is not large enough to hold that data. | STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator |
SupportedAstrée reports all potential overflows resulting from floating-point conversions. | FLP34-C. Ensure that floating-point conversions are within range of the new type |
SupportedAstrée supports the implementation of library stubs to fully verify this guideline. | STR32-C. Do not pass a non-null-terminated character sequence to a library function that expects a string |
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-compatibility-link | DCL40-C. Do not create incompatible declarations of the same function or object |
type-specifier | DCL31-C. Declare identifiers before using them |
type-specifier | MSC40-C. Do not violate constraints |
undeclared-parameter | DCL31-C. Declare identifiers before using them |
undeclared-parameter | MSC40-C. Do not violate constraints |
uninitialized-local-read | EXP33-C. Do not read uninitialized memory |
uninitialized-variable-use | EXP33-C. Do not read uninitialized memory |
universal-character-name-concatenation | PRE30-C. Do not create a universal character name through concatenation |
unreachable-code | MSC12-C. Detect and remove code that has no effect or is never executed |
wide-narrow-string-cast | STR38-C. Do not confuse narrow and wide character strings and functions |
wide-narrow-string-cast-implicit | STR38-C. Do not confuse narrow and wide character strings and functions |
write-to-constant-memory | EXP40-C. Do not modify constant objects |
write-to-string-literal | STR30-C. Do not attempt to modify string literals |
write_data_race | CON32-C. Prevent data races when accessing bit-fields from multiple threads |
write_data_race | CON43-C. Do not allow data races in multithreaded code |