LANG.STRUCT.INIT.UNORDERED : Unordered Initialization

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.

If you access the manual through the hub's Web GUI, the functionality will not be suppressed because the hub is a web server.
Alternatively, your browser may allow you to explicitly disable the security setting that suppresses functionality. See the CodeSonar FAQ for more information.

CodeSonar^® 9.2p0

CONFIDENTIAL

CodeSecure Inc

C and C++

LANG.STRUCT.INIT.UNORDERED : Unordered Initialization

Summary

A non-local variable is initialized using another variable that is initialized in a different translation unit.

Order of initialization across compilation units is not determined.

Properties

Class Name

Unordered Initialization

Significance

reliability

Mnemonic

LANG.STRUCT.INIT.UNORDERED

Categories

AUTOSARC++14	AUTOSARC++14:A3-3-2	Static and thread-local objects shall be constant-initialized.
CWE	CWE:1419	Incorrect Initialization of Resource
CERT-CPP	CERT-CPP:DCL56-CPP	Avoid cycles during initialization of static objects
JSF++	JSF++:214	Assuming that non-local static objects, in separate translation units, are initialized in a special order shall not be done.
POW10	POW10:1	Restrict to simple control flow constructs.

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="Unordered Initialization"

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

// LANG.STRUCT.INIT.UNORDERED.a.cpp

extern int init_in_b_file;

int b = init_in_b_file; // 'Unordered Initialization' warning issued here

// LANG.STRUCT.INIT.UNORDERED.b.cpp

int init_in_b_file = 5;

int y = init_in_b_file;             // ok: int init_in_b_file is initialized earlier in the same file

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/.