Checker | Guideline |
|---|
| DCL36-C. Do not declare an identifier with conflicting linkage classifications |
| -Wchar-subscripts | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
| -Wrestrict | EXP43-C. Avoid undefined behavior when using restrict-qualified pointers |
| -Wstringop-truncation | STR03-C. Do not inadvertently truncate a string |
| -Wunused-parameter | MSC12-C. Detect and remove code that has no effect or is never executed |
| -Wunused-value | MSC12-C. Detect and remove code that has no effect or is never executed |
| -Ww | STR05-C. Use pointers to const when referring to string literals |
| Can detect some violations of this recommendation when the -Wswitch and -Wswitch-default flags are used | MSC01-C. Strive for logical completeness |
| Can detect some violations of this rule when the -Wcast-align flag is used | EXP36-C. Do not cast pointers into more strictly aligned pointer types |
| Can detect some violations of this rule when the -Wuninitialized flag is used | EXP33-C. Do not read uninitialized memory |
| Can detect violation of this recommendation when the -Wstrict-prototypes flag is used | DCL07-C. Include the appropriate type information in function declarators |
| Can detect violation of this recommendation when the -Wtrigraphs flag is used | PRE07-C. Avoid using repeated question marks |
| Can detect violation of this rule when the -Wstrict-prototypes flag is used. However, it cannot detect violations involving variadic functions, such as the open() example described earlier |
C checkers | Guideline |
|---|
and | MSC12-C. Detect and remove code that has no effect |
| DCL07-C. Include the appropriate type information in function declarators |
| DCL11-C. Understand the type issues associated with variadic functions |
| DCL31-C. Declare identifiers before using them |
| DCL35-C. Call functions with the correct number and type of arguments |
| DCL36-C. Do not declare an identifier with conflicting linkage classifications |
| EXP05-C. Do not cast away a const qualification |
| EXP13-C. Treat relational and equality operators as if they were nonassociative |
| EXP16-C. Do not compare function pointers to constant values |
| EXP18-C. Do not perform assignments in selection statements |
| EXP30-C. Do not depend on order of evaluation between sequence points |
| EXP32-C. Do not access a volatile object through a nonvolatile reference |
| EXP33-C. Do not reference uninitialized memory |
| EXP35-C. Do not modify objects with temporary lifetime |
| EXP36-C. Do not convert pointers into more strictly aligned pointer types |
| | EXP37-C. Call functions with the correct number and type of arguments |
| Can detect violations of this recommendation when the -Wall flag is used | EXP45 | | EXP38-C. Do not call offsetof() on bit-field members or invalid types |
| FIO00-C. Take care when creating format strings |
| FIO30-C. Exclude user input from format strings |
| MSC01-C. Strive for logical completeness |
| MSC02-C. Avoid errors of omission |
| perform assignments in selection statements |
| Can detect violations of this recommendation when the -Wall flag is used | EXP16-C. Do not compare function pointers to constant values |
| Can detect violations of this recommendation when the -Wcast-qual flag is used | EXP05-C. Do not cast away a const qualification |
| Can detect violations of this recommendation when the -Wformat flag is used | FIO47-C. Use valid format strings |
| Can detect violations of this recommendation when the -Wunreachable-code flag is used | MSC07-C. Detect and remove dead code |
| Can detect violations of this rule when the -Wcast-qual flag is used | EXP32-C. Do not access a volatile object through a nonvolatile reference |
| Can detect violations of this rule when the -Wcomment flag is used | | MSC04-C. Use comments consistently and in a readable fashion |
| MSC07-C. Detect and remove dead code |
| PRE07-C. Avoid using repeated question marks |
-Wchar-subscripts | STR34-C. Cast characters to unsigned char before converting to larger integer sizes |
-Wunused-parameter | MSC12-C. Detect and remove code that has no effect |
| Can detect violations of this rule when the -Wformat-security flag is used | FIO30-C. Exclude user input from format strings |
| Can detect violations of this rule when the -Wimplicit and -Wreturn-type flags are used | DCL31-C. Declare identifiers before using them |
| Can detect violations of this rule when the -Wsequence-point flag is used | EXP30-C. Do not depend on the order of evaluation for side effects |
| Option -Wparentheses warns if a comparison like x<=y<=z appears; this warning is also enabled by -Wall | EXP13-C. Treat relational and equality operators as if they were nonassociative |
| rite-strings | STR05-C. Use pointers to const when referring to string literals |
| Warns about inconsistently typed arguments to formatted output functions when the -Wall is used | DCL11-C. Understand the type issues associated with variadic functions | -Wunused-value | MSC12-C. Detect and remove code that has no effect |
