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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
C#

CSHARP.STRUCT.BW.ORC : Bitwise OR on Boolean Constant (C#)

要旨

An | operation operates on a Boolean constant.

C# has a bitwise and a logical-AND operation on Booleans, that is, & and &&. Similarly, C# has a bitwise and a logical-OR operation | and ||. The difference is that the logical operations have a short circuit semantics, that is, if the evaluation of the left-hand side is enough to determine the outcome of the operation, then the right-hand side is not evaluated; the bitwise operations, instead, evaluate both sides, always, which might be incorrect is most cases, or at least inefficient.

プロパティ

クラス名 Bitwise OR on Boolean Constant (C#)
日本語クラス名 Bitwise OR on Boolean Constant (C#)
クラス分類 信頼性 (reliability)
ニーモニック CSHARP.STRUCT.BW.ORC
カテゴリー
CWE CWE:480 Use of Incorrect Operator
対応言語 C# で利用可能です。
有効/無効設定 このワーニングクラスのチェックはデフォルトで有効になっています。チェックを無効にするにはプロジェクト設定ファイル （configuration file）に以下の WARNING_FILTER ルールを追加してください。 
WARNING_FILTER += discard class="Bitwise OR on Boolean Constant (C#)"

解決法

Use the logical (short-circuit) version of the operators on Booleans.

関連のある設定ファイルパラメータ

設定ファイルの以下のパラメータがこのワーニングクラスのチェックに影響します。

 

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