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The table below can be re-ordered, by clicking column headers.

Tool Version: 4.3.5

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
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 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-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
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
Warns about inconsistently typed arguments to formatted output functions when the -Wall is used DCL11-C. Understand the type issues associated with variadic functions