v2.4.0

Release summary

• New queries added for the following rule packages: IO3, Preprocessor2, Strings2
• The following changes have been made for this release:
• M16-3-1 - MoreThanOneOccurrenceHashOperatorInMacroDefinition.ql:
  • Removes detection of more than one occurrence in non function like Macros.

Supported versions

• The LGTM pack is not supported on any released version of LGTM without support from GitHub Professional Services.
• The Code Scanning pack is supported when:
  • Using the CodeQL CLI version 2.7.6 in conjunction with a copy of the CodeQL standard library for C++ (github/codeql) set to the tag codeql-cli/v2.7.6.
  • Using the CodeQL Action or CodeQL runner with the codeql-bundle-20220120.

Appendix: MISRA-C-2012 new queries

New queries added to cover the following rules:

• RULE-4-10 - PrecautionIncludeGuardsNotProvided.ql
• RULE-20-5 - UndefShouldNotBeUsed.ql
• RULE-20-11 - MoreThanOneHashOperatorInMacroDefinition.ql
• RULE-20-12 - MacroParameterUsedAsHashOperand.ql
• RULE-22-3 - FileOpenForReadAndWriteOnDifferentStreams.ql
• RULE-22-4 - AttemptToWriteToAReadOnlyStream.ql
• RULE-22-5 - PointerToAFileObjectDereferenced.ql
• RULE-22-7 - EofShallBeComparedWithUnmodifiedReturnValues.ql

Appendix: CERT-C new queries

New queries added to cover the following rules:

• FIO32-C - DoNotPerformFileOperationsOnDevices.ql
• FIO37-C - SuccessfulFgetsOrFgetwsMayReturnAnEmptyString.ql
• STR37-C - ToCharacterHandlingFunctionsRepresentableAsUChar.ql