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

LANG.STRUCT.INIT.BRAUTO : Braced Initializer with auto

Summary

A variable declared with auto is initialized with braces, either {} or ={}.

Properties

Class Name Braced Initializer with auto
Significance style
Mnemonic LANG.STRUCT.INIT.BRAUTO
Categories
AUTOSARC++14 AUTOSARC++14:A8-5-3 A variable of type auto shall not be initialized using {} or ={} braced-initialization.
Availability Available for C++ only (not 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="Braced Initializer with auto"
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 

#include <initializer_list>

void one(void) {
    auto x1{10};     // 'Braced Initializer with auto' warning issued here
    auto x2 = {10};  // 'Braced Initializer with auto' warning issued here
    int x3 = {1729};                 // no auto specifier
}

Relevant Configuration File Parameters

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

 

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