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

LANG.STRUCT.FUNCPTR.CONVERT : 関数ポインタのキャスト変換

要旨

異なった型で関数ポインタがキャストされています。

プロパティ

クラス名 Function Pointer Conversion
日本語クラス名 関数ポインタのキャスト変換
クラス分類 スタイル (style)
ニーモニック LANG.STRUCT.FUNCPTR.CONVERT
カテゴリー
MisraC2025 MisraC2025:11.1 Conversions shall not be performed between a pointer to a function and any other type
MisraC2023 MisraC2023:11.1 Conversions shall not be performed between a pointer to a function and any other type
Misra2012 Misra2012:11.1 Conversions shall not be performed between a pointer to a function and any other type
Misra2004 Misra2004:11.1 Conversions shall not be performed between a pointer to a function and any type other than an integral type
  Misra2004:11.2 Conversions shall not be performed between a pointer to object and any type other than an integral type, another pointer to object type or a pointer to void
  Misra2004:11.3 A cast should not be performed between a pointer type and an integral type
AUTOSARC++14 AUTOSARC++14:M5-2-6 A cast shall not convert a pointer to a function to any other pointer type, including a pointer to function type.
  AUTOSARC++14:M8-4-4 A function identifier shall either be used to call the function or it shall be preceded by &.
MisraC++2008 MisraC++2008:5-2-6 A cast shall not convert a pointer to a function to any other pointer type, including a pointer to function type.
  MisraC++2008:8-4-4 A function identifier shall either be used to call the function or it shall be preceded by &.
CWE CWE:710 Improper Adherence to Coding Standards
JPL JPL:30 Do not cast function pointers into other types.
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="Function Pointer Conversion"

例 

unsigned char ucatch(int);

char (*f)(int) = ucatch; /* 'Function Pointer Conversion' warning issued here
                          * ('Bad Initializer Type' warning also issued)
                          */

See also

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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