JavaScript is not currently enabled, but is required for full CodeSonar manual search and browse functionality.

If you are viewing this file in your hub's Web GUI, enable JavaScript in your browser: you will also need it for GUI functionality.

If you opened this file directly from disk, your browser may be directly suppressing JavaScript functionality: certain browsers perform this suppression on local files (but not files delivered by web servers) for security reasons.

CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
C and C++

LANG.STRUCT.UUTAG : Unused Tag

Summary

A struct, union, or enum declaration includes a tag that is not used anywhere in the scope of the declaration.

Properties

Class Name Unused Tag
Significance style
Mnemonic LANG.STRUCT.UUTAG
Categories
MisraC2025 MisraC2025:2.4 A project should not contain unused tag declarations
MisraC2023 MisraC2023:2.4 A project should not contain unused tag declarations
Misra2012 Misra2012:2.4 A project should not contain unused tag declarations
CWE CWE:561 Dead Code
CERT-C CERT-C:MSC12-C Detect and remove code that has no effect or is never executed
DISA-3r10 DISA-3r10:V-6149 The designer will ensure the application does not contain source code that is never invoked during operation, except for software components and libraries from approved third-party products.
Availability Available for C and C++.
Enabling Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += allow class="Unused Tag"

Example

Suppose the analyzed project has a single source file, fileA.c.

enum tag1 {e1a, e1b, e1c}; /* 'Unused Tag' warning issued here */   
enum tag2 {e2a, e2b, e2c};                               /* used in typedef below */  

typedef enum tag2 mytag2;

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

To report problems with this documentation, please visit https://support.codesecure.com/.