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| CodeSonar® 9.2p0 | CONFIDENTIAL | CodeSecure Inc |
A function is re-entered during initialization of one of its local static variables.
| クラス名 | Initialization Cycle | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 日本語クラス名 | Initialization Cycle | |||||||||
| クラス分類 | 信頼性 (reliability) | |||||||||
| ニーモニック | LANG.STRUCT.INIT.CYCLE | |||||||||
| カテゴリー |
|
|||||||||
| 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おり、プロジェクトには非正規の C向けAST
が必要になります。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 ルールと
RETAIN_UNNORMALIZED_C_AST 設定を追加してください。
RETAIN_UNNORMALIZED_C_AST = Yes WARNING_FILTER += allow class="Initialization Cycle" |
English (en)
int recursive_init(int i){
static int x = (i>0) ? (i + recursive_init(i-1)) : i; // 'Initialization Cycle' warning issued here
return x;
}
static int z = recursive_init(5); // ok: z is not local to any function called during initialization of z
// In particular, it is not local to recursive_init().
int recursive_via_nonstatic(int i){
int x = (i>0) ? (i + recursive_via_nonstatic(i-1)) : i; // ok: x is not local static
static int y = x; // ok: recursive_via_nonstatic() not called during this initialization
return y;
}
int recursive_elsewhere(int i){
int x = (i>0) ? (i + recursive_elsewhere(i-1)) : i; // ok: x is not local static
static int y = 5; // ok: recursive_via_nonstatic() not called during this initialization
return x+y;
}
int indirect_recursive_init2(int i);
int indirect_recursive_init1(int i){
static int x = (i>0) ? (i + indirect_recursive_init2(i-1)) : i; // 'Initialization Cycle' warning issued here
return x;
}
int indirect_recursive_init2(int i){
return (i>0) ? (i + indirect_recursive_init1(i-1)) : i;
}
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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