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

LANG.TYPE.UNF : Unnamed Field

Summary

A field in a class or struct is declared without a name.

Exception: a warning of this class is not triggered if the unnamed field has width zero.

Properties

Class Name Unnamed Field
Significance style
Mnemonic LANG.TYPE.UNF
Categories
JSF++ JSF++:156 All the members of a structure (or class) shall be named and shall only be accessed via their names.
Availability Available for C and C++.
Enabling Checks for this warning class are disabled by default, and require the unnormalized C ASTs for the project. To enable them, add the following WARNING_FILTER rule and RETAIN_UNNORMALIZED_C_AST specification to the project configuration file. 
RETAIN_UNNORMALIZED_C_AST = Yes
WARNING_FILTER += allow class="Unnamed Field"
Note that retaining the unnormalized ASTs will increase the disk space used to store the project representation, and may make the analysis take longer.

Example 

typedef struct mystruct {
   struct {        /* 'Unnamed Field' warning issued here */
      int a;
   };

   int :4;         /* 'Unnamed Field' warning issued here */
   int i;                    /* ok: field is named */
   int :0;                   /* ok: special case */
} mystruct;

Relevant Configuration File Parameters

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

 

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