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

LANG.PREPROC.WARNING : Use of #warning

要旨

A use of the #warning preprocessor directive.

Many coding standards forbid the use of #warning because it makes code harder for human readers to understand.

プロパティ

クラス名 Use of #warning
日本語クラス名 Use of #warning
クラス分類 スタイル (style)
ニーモニック LANG.PREPROC.WARNING
カテゴリー
AUTOSARC++14 AUTOSARC++14:A16-0-1 The pre-processor shall only be used for unconditional and conditional file inclusion and include guards, and using the following directives: (1) #ifndef, (2) #ifdef, (3) #if, (4) #if defined, (5) #elif, (6) #else, (7) #define, (8) #endif, (9) #include.
CWE CWE:1076 Insufficient Adherence to Expected Conventions
JSF++ JSF++:26 Only the following pre-processor directives shall be used: #ifndef, #define, #endif, #include.
POW10 POW10:8 Limit the use of the preprocessor to file inclusion and simple macros.
対応言語 C および 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無効になっています。チェックを有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 += allow class="Use of #warning"

例 

#warning "Unfinished work" /* 'Use of #warning' warning issued here
                            * ('Warning Directive' warning also issued) */

/* 'Use of #warning' warnings are issued even if the #warning directive is in a region excluded with #if 0 ... #endif.
 * 'Warning Directive' warnings are NOT issued in this case.
 */
#if 0
#warning "another warning" /* 'Use of #warning' warning issued here */
#endif

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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