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| Include Page | ||||
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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 | |||
C checkers | CERT C Secure Coding Standard | ||
| and | 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 | EXP37-C. Call functions with the correct number and type of arguments | ||
| Can detect violations of this recommendation when the -Wall flag is used | |||
-Wchar-subscripts | STR34-C. Cast characters to unsigned char before converting to larger integer sizes | ||
| EXP45-C. Do not 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 | -Wunused-parameter | MSC12-C. Detect and remove code that has no effectdead 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 | ||
| 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 |