{"id":399,"date":"2022-04-08T16:00:04","date_gmt":"2022-04-08T07:00:04","guid":{"rendered":"https:\/\/www.avancesys.co.jp\/laboratory\/?post_type=article&p=399"},"modified":"2022-04-08T16:00:04","modified_gmt":"2022-04-08T07:00:04","slug":"%e7%ac%ac2%e5%9b%9e-misra-c-%ef%bd%9e%e5%bf%85%e8%a6%81%e3%83%ab%e3%83%bc%e3%83%ab%e3%81%ae%e9%80%b8%e8%84%b1%e6%89%8b%e9%a0%86%ef%bd%9e","status":"publish","type":"article","link":"https:\/\/www.avancesys.co.jp\/laboratory\/article\/%e7%ac%ac2%e5%9b%9e-misra-c-%ef%bd%9e%e5%bf%85%e8%a6%81%e3%83%ab%e3%83%bc%e3%83%ab%e3%81%ae%e9%80%b8%e8%84%b1%e6%89%8b%e9%a0%86%ef%bd%9e\/","title":{"rendered":"\u7b2c2\u56de MISRA-C \uff5e\u5fc5\u8981\u30eb\u30fc\u30eb\u306e\u9038\u8131\u624b\u9806\uff5e"},"content":{"rendered":"\n

\u3053\u3093\u306b\u3061\u306f\u3001TMIH\u3067\u3059\u3002<\/p>\n\n\n\n

\u524d\u56de\u306b\u7d9a\u304d\u3001MISRA-C\u306e\u5fc5\u8981\u30eb\u30fc\u30eb\u306b\u6e96\u62e0\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u5fc5\u8981\u30eb\u30fc\u30eb\u304b\u3089\u9038\u8131\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u9038\u8131\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

\u5fc5\u8981\u30eb\u30fc\u30eb\u306b\u6e96\u62e0\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0<\/p><\/blockquote><\/figure>\n\n\n\n

\u307e\u305a\u306f\u3001MISRA-C:2004\u306e\u4e2d\u304b\u3089\u5fc5\u8981\u30eb\u30fc\u30eb\u306b\u6e96\u62e0\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30eb\u30fc\u30ebNo.<\/td>10.6<\/td><\/tr>
\u30ab\u30c6\u30b4\u30ea\u30fc<\/td>\u5fc5\u8981<\/td><\/tr>
\u5185\u5bb9<\/td>\u3059\u3079\u3066\u306e\u7b26\u53f7\u306a\u3057\u578b\u306e\u5b9a\u6570\u306b\u306f\u3001\u63a5\u5c3e\u8a9e”U”\u3092\u4ed8\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/td><\/tr>
\u8a73\u7d30<\/td>\u30eb\u30fc\u30eb10.6\u306f\u3001C\u8a00\u8a9e\u306b\u304a\u3051\u308b\u6570\u5024\u5b9a\u6570\u3092\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u306e\u30eb\u30fc\u30eb\u3067\u3042\u308b\u3002
\u63a5\u5c3e\u8a9e\u306a\u3057\u306e\u5b9a\u6570\u3092\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001int\u578b\u3067\u8868\u73fe\u3067\u304d\u308b\u7bc4\u56f2\u5185\u3067\u3042\u308c\u3070\u7121\u6761\u4ef6\u306bint\u578b\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3002
\u307e\u305f\u3001\u5185\u90e8\u306e\u30d3\u30c3\u30c8\u8868\u73fe\u304c\u540c\u3058\u3067\u3082\u300110\u9032\u6570\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408\u3068\u300116\u9032\u6570\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408\u3067\u3001\u305d\u306e\u578b\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3002
\u3053\u306e\u7d50\u679c\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u610f\u56f3\u3057\u306a\u3044\u7d50\u679c\u3092\u62db\u304f\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u25cf\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/p>\n\n\n\n

7\uff5e10\u884c\u76ee\u306e\u51e6\u7406\u3067\u306f\u5b9a\u6570\u306b\u63a5\u5c3e\u8a9e”U”\u304c\u4ed8\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u5b9a\u6570\u5024\u304c\u660e\u793a\u7684\u306bunsigned int\u578b\u3068\u306a\u308a\u3001\u610f\u56f3\u3057\u305f\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002
\u4eee\u306b9\u884c\u76ee\u306e\u5b9a\u6570\u306b\u63a5\u5c3e\u8a9e”U”\u304c\u4ed8\u3044\u3066\u3044\u306a\u3044\u3068\u3001\u5b9a\u6570\u5024\u304csigned int\u578b\u3068\u306a\u308a\u3001\u6f14\u7b97\u9014\u4e2d\u3067\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

void func(void)\n{\n    unsigned int work;\n\n    work = 6U;\n\n    work = work + 5U;\n    work = work - 1U;\n    work = work * 10000U;\n    work = work \/ 2U;\n}<\/code><\/pre><\/div>\n\n\n\n
<\/div>\n\n\n\n
\u5fc5\u8981\u30eb\u30fc\u30eb\u304b\u3089\u9038\u8131\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0<\/p><\/blockquote><\/figure>\n\n\n\n
\u6b21\u306b\u3001MISRA-C:2004\u306e\u5fc5\u8981\u30eb\u30fc\u30eb\u304b\u3089\u9038\u8131\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9038\u8131\u624b\u9806\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u30eb\u30fc\u30ebNo.<\/td>8.7<\/td><\/tr>
\u30ab\u30c6\u30b4\u30ea\u30fc<\/td>\u5fc5\u8981<\/td><\/tr>
\u5185\u5bb9<\/td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5358\u4e00\u306e\u95a2\u6570\u5185\u3060\u3051\u3067\u30a2\u30af\u30bb\u30b9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u30b9\u30b3\u30fc\u30d7\u3067\u5b9a\u7fa9\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/td><\/tr>
\u8a73\u7d30<\/td>\u30eb\u30fc\u30eb8.7\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6709\u52b9\u7bc4\u56f2\u3092\u660e\u793a\u7684\u306b\u9650\u5b9a\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u53ef\u8aad\u6027\u53ca\u3073\u4fdd\u5b88\u6027\u3092\u3088\u304f\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u308b\u3002
\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c1\u3064\u306e\u95a2\u6570\u306e\u307f\u3067\u4f7f\u7528\u3055\u308c\u308b\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6709\u52b9\u7bc4\u56f2\u304c\u305d\u306e\u95a2\u6570\u5185\u306e\u307f\u306b\u9650\u5b9a\u3055\u308c\u308b\u3088\u3046\u306b\u5b9a\u7fa9\u3059\u308b\u3002
\u4e0d\u5fc5\u8981\u306b\u5e83\u3044\u7bc4\u56f2\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u3001\u53ef\u8aad\u6027\u3084\u4fdd\u5b88\u6027\u304c\u60aa\u304f\u306a\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3059\u308b\u610f\u56f3\u3057\u306a\u3044\u53c2\u7167\u3084\u5909\u66f4\u3092\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u25cf\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/p>\n\n\n\n
3\u884c\u76ee\u3067\u5b9a\u7fa9\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u5358\u4e00\u306e\u95a2\u6570\u3067\u3057\u304b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u305b\u3093\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b9\u30b3\u30fc\u30d7\u3067\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30eb\u30fc\u30eb8.7\u304b\u3089\u9038\u8131\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/#define TYPE1\n\nint tmp;\n\nvoid func1(void);\nstatic void func2(void);\n\nvoid func1(void)\n{\n    if(tmp < 10)\n    {\n        tmp++;\n    }\n\n    func2();\n}\n\nstatic void func2(void)\n{\n#ifdef TYPE1\n    if(tmp >= 5 )\n    {\n        \u2026\n    }\n#endif\n\n    \u2026\n}<\/code><\/pre><\/div>\n\n\n\n
\u25cf\u9038\u8131\u624b\u9806<\/p>\n\n\n\n
\u6e96\u62e0\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u30d6\u30ed\u30c3\u30af\u30b9\u30b3\u30fc\u30d7\u306b\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4ed6\u306e\u76ee\u7684\u306e\u305f\u3081(\u4f8b\u3048\u3070\u30bd\u30d5\u30c8\u6d41\u7528)\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u30b9\u30b3\u30fc\u30d7\u3092\u4f59\u5100\u306a\u304f\u3055\u308c\u305f\u5834\u5408\u306f\u9038\u8131\u306e\u624b\u9806\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u9038\u8131\u3059\u308b\u5834\u5408\u3001\u5fc5\u8981\u6027\u3068\u5b89\u5168\u6027\u78ba\u4fdd\u306b\u3064\u3044\u3066\u9038\u8131\u8aac\u660e\u66f8\u306b\u3088\u308b\u8aac\u660e\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002
\u307e\u305f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u3067\u9038\u8131\u3068\u3059\u308b\u304b\u3001\u7279\u5b9a\u7b87\u6240\u306e\u307f\u9038\u8131\u3068\u3059\u308b\u304b\u3067\u9038\u8131\u8aac\u660e\u66f8\u306b\u8a18\u8f09\u3059\u308b\u5185\u5bb9\u304c\u7570\u306a\u308a\u307e\u3059\u3002
\u9038\u8131\u8aac\u660e\u66f8\u306b\u306f\u4ee5\u4e0b\u306e\u5185\u5bb9\u304c\u76db\u308a\u8fbc\u307e\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\n
\u9805\u76ee<\/th>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u306e\u9038\u8131<\/th>\u7279\u5b9a\u7b87\u6240\u306e\u9038\u8131<\/th><\/tr><\/thead>
\u9038\u8131\u3059\u308b\u30eb\u30fc\u30eb\u306e\u6982\u8981\u3068\u30b3\u30fc\u30c9\u306e\u8a73\u7d30<\/td>\u3007<\/td>\u3007<\/td><\/tr>
\u9038\u8131\u306e\u5fc5\u8981\u6027\u304c\u767a\u751f\u3059\u308b\u72b6\u6cc1(\u74b0\u5883\u5185\u5bb9)<\/td>\u3007<\/td>\u00d7<\/td><\/tr>
\u9038\u8131\u306b\u8d77\u56e0\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u308b\u6f5c\u5728\u7684\u306a\u554f\u984c<\/td>\u3007<\/td>\u3007<\/td><\/tr>
\u9038\u8131\u306e\u6b63\u5f53\u306a\u7406\u7531<\/td>\u3007<\/td>\u3007<\/td><\/tr>
\u6f5c\u5728\u7684\u306a\u554f\u984c\u306b\u8b1b\u3058\u305f\u5bfe\u7b56\u304c\u3001\u3069\u306e\u3088\u3046\u306b\u5b89\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u304b\u306e\u8a3c\u660e<\/td>\u3007<\/td>\u3007<\/td><\/tr><\/tbody>
<\/td><\/td>\u3007\uff1a\u5fc5\u8981\u3001\u00d7\uff1a\u4e0d\u8981<\/td><\/tr><\/tfoot><\/table><\/figure>\n<\/div><\/div>\n\n\n\n
\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u306e\u9038\u8131\u3068\u4eee\u5b9a\u3057\u305f\u5834\u5408\u3001\u9038\u8131\u8aac\u660e\u66f8\u306b\u8a18\u8f09\u3059\u308b\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fb\u9038\u8131\u3059\u308b\u30eb\u30fc\u30eb\u306e\u6982\u8981\u3068\u30b3\u30fc\u30c9\u306e\u8a73\u7d30<\/p>\n\n\n\n
\u3000\u6982\u8981\uff1a\u4e0a\u8a18\u306b\u8a18\u8f09\u306e\u30eb\u30fc\u30ebNo.8.7
\u3000\u30b3\u30fc\u30c9\u306e\u8a73\u7d30\uff1a\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/p>\n\n\n\n
\u30fb\u9038\u8131\u306e\u5fc5\u8981\u6027\u304c\u767a\u751f\u3059\u308b\u72b6\u6cc1(\u74b0\u5883\u5185\u5bb9)<\/p>\n\n\n\n
\u3000\u4ed6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u7528\u3057\u305f\u5b9f\u7e3e\u306e\u3042\u308b\u30bd\u30d5\u30c8\u3092\u6d41\u7528\u3057\u3066\u4f7f\u7528\u3059\u308b\u5834\u5408\u3002<\/p>\n\n\n\n
\u30fb\u9038\u8131\u306b\u8d77\u56e0\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u308b\u6f5c\u5728\u7684\u306a\u554f\u984c<\/p>\n\n\n\n
\u3000\u53ef\u8aad\u6027\u3084\u4fdd\u5b88\u6027\u304c\u60aa\u304f\u306a\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3059\u308b\u610f\u56f3\u3057\u306a\u3044\u53c2\u7167\u3084\u5909\u66f4\u3092\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n\n\n\n
\u30fb\u9038\u8131\u306e\u6b63\u5f53\u306a\u7406\u7531<\/p>\n\n\n\n
\u3000\u4ed6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u7528\u3057\u305f\u5b9f\u7e3e\u306e\u3042\u308b\u30bd\u30d5\u30c8\u3092\u6d41\u7528\u3057\u3066\u4f7f\u7528\u3059\u308b\u305f\u3081\u3002<\/p>\n\n\n\n
\u30fb\u6f5c\u5728\u7684\u306a\u554f\u984c\u306b\u8b1b\u3058\u305f\u5bfe\u7b56\u304c\u3001\u3069\u306e\u3088\u3046\u306b\u5b89\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u304b\u306e\u8a3c\u660e<\/p>\n\n\n\n
\u3000\u5bfe\u7b56\uff1a\u5909\u6570”tmp”\u306b\u30d5\u30a1\u30a4\u30eb\u30b9\u30b3\u30fc\u30d7\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u51e6\u7406\u306f\u3001”#ifdef TYPE1″\u306e\u7bc4\u56f2\u5185\u306b\u306e\u307f\u5b9f\u88c5\u3057\u3001
\u3000\u3000\u3000\u3000\u30d5\u30a1\u30a4\u30eb\u30b9\u30b3\u30fc\u30d7\u304c\u4e0d\u8981\u306a\u30bd\u30d5\u30c8\u3067\u306f\u3001\u5b9a\u6570”TYPE1″\u304c\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n
\u3000\u8a3c\u660e\uff1a\u30d5\u30a1\u30a4\u30eb\u30b9\u30b3\u30fc\u30d7\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u51e6\u7406\u3092”#ifdef”\u306e\u7bc4\u56f2\u5185\u306b\u9650\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u610f\u56f3\u3057\u306a\u3044\u53c2\u7167\u3084\u5909\u66f4\u3092\u9632\u3044\u3067\u3044\u308b\u3002<\/p>\n\n\n\n
<\/div>\n\n\n\n
\u6b21\u56de<\/p><\/blockquote><\/figure>\n\n\n\n
\u4eca\u56de\u306f\u3001MISRA-C 2004\u306e\u5fc5\u8981\u30eb\u30fc\u30eb\u306b\u6e96\u62e0\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9038\u8131\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u9038\u8131\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002
\u6b21\u56de\u306f\u3001MISRA-C 2004\u306e\u5fc5\u8981\u30eb\u30fc\u30eb\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u63a8\u5968\u30eb\u30fc\u30eb\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3064\u3044\u3066\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
<\/div>\n\n\n\n
\u5f15\u7528\u30fb\u53c2\u8003\u6587\u732e<\/p><\/blockquote><\/figure>\n\n\n\n
\u300c\u7d44\u8fbc\u307f\u958b\u767a\u8005\u306b\u304a\u304f\u308bMISRA-C:2004 C\u8a00\u8a9e\u5229\u7528\u306e\u9ad8\u4fe1\u983c\u5316\u30ac\u30a4\u30c9\u300d\u3001MISRA-C \u7814\u7a76\u4f1a\u7de8\u3001ISBN 9784542503342\u3001\u65e5\u672c\u898f\u683c\u5354\u4f1a<\/p>\n\n\n\n
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