{"id":439,"date":"2022-05-27T13:25:19","date_gmt":"2022-05-27T04:25:19","guid":{"rendered":"https:\/\/www.avancesys.co.jp\/laboratory\/?post_type=article&p=439"},"modified":"2022-05-27T13:25:19","modified_gmt":"2022-05-27T04:25:19","slug":"%e7%ac%ac3%e5%9b%9e-misra-c-%ef%bd%9e%e6%8e%a8%e5%a5%a8%e3%83%ab%e3%83%bc%e3%83%ab%ef%bd%9e","status":"publish","type":"article","link":"https:\/\/www.avancesys.co.jp\/laboratory\/article\/%e7%ac%ac3%e5%9b%9e-misra-c-%ef%bd%9e%e6%8e%a8%e5%a5%a8%e3%83%ab%e3%83%bc%e3%83%ab%ef%bd%9e\/","title":{"rendered":"\u7b2c3\u56de MISRA-C \uff5e\u63a8\u5968\u30eb\u30fc\u30eb\uff5e"},"content":{"rendered":"\n

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

\u524d\u56de\u306f\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\u5fc5\u8981\u30eb\u30fc\u30eb\u304b\u3089\u306e\u9038\u8131\u624b\u9806\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306f\u3001MISRA-C\u306e\u63a8\u5968\u30eb\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

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

\u63a8\u5968\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\u63a8\u5968\u30eb\u30fc\u30eb\u306b\u6e96\u62e0\u3057\u305f\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>12.13<\/td><\/tr>
\u30ab\u30c6\u30b4\u30ea\u30fc<\/td>\u63a8\u5968<\/td><\/tr>
\u5185\u5bb9<\/td>\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u53ca\u3073\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u306f\u3001\u5f0f\u4e2d\u3067\u4ed6\u306e\u6f14\u7b97\u5b50\u3068\u6df7\u5728\u3055\u305b\u308b\u3079\u304d\u3067\u306f\u306a\u3044\u3002<\/td><\/tr>
\u8a73\u7d30<\/td>\u30eb\u30fc\u30eb12.13\u306f\u3001\u4ee5\u4e0b\u306e\u7406\u7531\u306b\u3088\u308a\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u53ca\u3073\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u3092\u4ed6\u306e\u7b97\u8853\u6f14\u7b97\u5b50\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u308f\u306a\u3044\u3053\u3068\u3092\u63a8\u5968\u3059\u308b\u3002
\u3000\u30fb\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3092\u8457\u3057\u304f\u843d\u3068\u3059
\u3000\u30fb\u672a\u898f\u5b9a\u3042\u308b\u3044\u306f\u672a\u5b9a\u7fa9\u306e\u3075\u308b\u307e\u3044\u3068\u306a\u308b\u526f\u4f5c\u7528\u3092\u30b3\u30fc\u30c9\u306b\u53d6\u308a\u8fbc\u3093\u3067\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3068\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u306f\u3001\u4ed6\u306e\u7b97\u8853\u6f14\u7b97\u5b50\u3068\u306f\u5206\u96e2\u3057\u3066\u4f7f\u3046\u65b9\u304c\u5b89\u5168\u3067\u3042\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u30fb\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e01<\/p>\n\n\n\n

10\u884c\u76ee\u306e\u51e6\u7406\u306f\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u53ca\u3073\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u3068\u4ed6\u306e\u6f14\u7b97\u5b50\u304c\u6df7\u5728\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30eb\u30fc\u30eb12.13\u304b\u3089\u9038\u8131\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

void func(void)\n{\n    unsigned int num1;\n    unsigned int num2;\n    unsigned int num3;\n\n    num1 = 5;\n    num2 = 7;\n\n    num3 = ++num1 + num2--;\n}<\/code><\/pre><\/div>\n\n\n\n
\u30fb\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e02<\/p>\n\n\n\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e01\u3092\u30eb\u30fc\u30eb12.13\u306b\u6e96\u62e0\u3055\u305b\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
10\uff5e12\u884c\u76ee\u3067\u306f1\u884c\u76ee\u3067\u307e\u3068\u3081\u3066\u3044\u305f\u51e6\u7406\u3092\u5207\u308a\u5206\u3051\u3066\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u53ca\u3073\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u3068\u4ed6\u306e\u6f14\u7b97\u5b50\u3092\u6df7\u5728\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u305d\u306e\u7d50\u679c\u3001\u30eb\u30fc\u30eb12.13\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
void func(void)\n{\n    unsigned int num1;\n    unsigned int num2;\n    unsigned int num3;\n\n    num1 = 5;\n    num2 = 7;\n\n    ++num1;\n    num3 = num1 + num2;\n    num2--;\n}<\/code><\/pre><\/div>\n\n\n\n
<\/div>\n\n\n\n
\u63a8\u5968\u30eb\u30fc\u30eb\u306b\u9038\u8131\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0<\/p><\/blockquote><\/figure>\n\n\n\n
\u6b21\u306b\u3001MISRA-C:2004\u306e\u63a8\u5968\u30eb\u30fc\u30eb\u306b\u9038\u8131\u3057\u305f\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>19.7<\/td><\/tr>
\u30ab\u30c6\u30b4\u30ea\u30fc<\/td>\u63a8\u5968<\/td><\/tr>
\u5185\u5bb9<\/td>\u95a2\u6570\u5f62\u5f0f\u30de\u30af\u30ed\u3088\u308a\u3082\u95a2\u6570\u3092\u7528\u3044\u308b\u3079\u304d\u3067\u3042\u308b\u3002<\/td><\/tr>
\u8a73\u7d30<\/td>\u30eb\u30fc\u30eb19.7\u306f\u3001\u3088\u308a\u5b89\u5168\u3067\u53ef\u8aad\u6027\u306e\u3088\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u95a2\u6570\u5f62\u5f0f\u30de\u30af\u30ed\u3088\u308a\u3082\u95a2\u6570\u306e\u4f7f\u7528\u3092\u63a8\u5968\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3002
\u30de\u30af\u30ed\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5c55\u958b\u3055\u308c\u308b\u305f\u3081\u3001\u95a2\u6570\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u30de\u30af\u30ed\u306e\u65b9\u304c\u9ad8\u901f\u306b\u52d5\u4f5c\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002\u3057\u304b\u3057\u305d\u306e\u534a\u9762\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u3042\u308b\u3002
\u3000\u30fb\u5f15\u6570\u3068\u623b\u308a\u5024\u306e\u578b\u306e\u6307\u5b9a\u53ca\u3073\u30c1\u30a7\u30c3\u30af\u306e\u6a5f\u69cb\u304c\u306a\u3044\u305f\u3081\u3001\u4e0e\u3048\u308b\u5b9f\u5f15\u6570\u306e\u578b\u306b\u3088\u3063\u3066\u3001\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u5834\u5408\u3068\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u3002\u95a2\u6570\u306e\u5834\u5408\u306f\u3001\u5ba3\u8a00\u3067\u5f15\u6570\u3068\u623b\u308a\u5024\u306e\u578b\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002
\u95a2\u6570\u5f62\u5f0f\u30de\u30af\u30ed\u306f\u3001\u95a2\u6570\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u4e0a\u8a18\u306e\u3088\u3046\u306a\u554f\u984c\u306e\u4e88\u9632\u304c\u671f\u5f85\u3067\u304d\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u30fb\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/p>\n\n\n\n
2\u884c\u76ee\u3067\u95a2\u6570\u5f62\u5f0f\u30de\u30af\u30ed\u3092\u5b9a\u7fa9\u3057\u30668\u884c\u76ee\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30eb\u30fc\u30eb19.7\u304b\u3089\u9038\u8131\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\n#define  MAX(a, b)    ( ( a ) < ( b ) ? ( b ) : ( a ) )\n\nunsigned int func( unsigned int num1, unsigned int num2)\n{\n    unsigned int ret;\n\n    ret = MAX(num1, num2);\n\n    return(ret);\n}<\/code><\/pre><\/div>\n\n\n\n
\u6e96\u62e0\u3055\u305b\u308b\u306b\u306f2\u884c\u76ee\u306e\u95a2\u6570\u5f62\u5f0f\u30de\u30af\u30ed\u3092\u95a2\u6570\u3078\u5909\u66f4\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3059\u304c\u3001
\u30eb\u30fc\u30eb\u306e\u8aac\u660e\u306b\u3082\u3042\u308b\u901a\u308a\u3001\u5b9f\u884c\u901f\u5ea6\u306f\u95a2\u6570\u3088\u308a\u3082\u30de\u30af\u30ed\u306e\u65b9\u304c\u9ad8\u901f\u306b\u306a\u308a\u307e\u3059\u3002
\u7d44\u307f\u8fbc\u307f\u306e\u4e16\u754c\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u901f\u5ea6\u3092\u6c42\u3081\u3089\u308c\u308b\u3053\u3068\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002
\u5c11\u3057\u3067\u3082\u5b9f\u884c\u901f\u5ea6\u3092\u65e9\u304f\u3057\u305f\u3044\u5834\u9762\u3067\u306f\u7121\u7406\u306b\u6e96\u62e0\u305b\u305a\u3001\u6562\u3048\u3066\u9038\u8131\u3059\u308b\u3053\u3068\u3082\u4e00\u3064\u306e\u624b\u6bb5\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u9038\u8131\u3059\u308b\u5834\u5408\u3001\u30eb\u30fc\u30eb19.7\u306f\u63a8\u5968\u30eb\u30fc\u30eb\u3067\u3059\u306e\u3067\u3001MISRA-C(\u7b2c2\u56de)\u3067\u8aac\u660e\u3057\u305f\u9038\u8131\u8aac\u660e\u66f8\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002
\u305f\u3060\u3057\u3001\u30eb\u30fc\u30eb19.7\u3067\u6319\u3052\u3089\u308c\u3066\u3044\u308b\u554f\u984c\u306b\u5bfe\u3059\u308b\u5bfe\u7b56\u306f\u8b1b\u3058\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5185\u5bb9\u3067\u3042\u308c\u3070\u3001\u5f15\u6570\uff08num1\u3001num2\uff09\u3068\u623b\u308a\u5024\uff08ret\uff09\u306e\u578b\u304c\u540c\u3058\u3067\u3042\u308b\u305f\u3081\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
<\/div>\n\n\n\n
\u5f8c\u66f8\u304d<\/p><\/blockquote><\/figure>\n\n\n\n
\u79c1\u304c\u904e\u53bb\u306b\u958b\u767a\u306b\u643a\u308f\u3063\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u3092MISRA-C\u306b\u6e96\u62e0\u3055\u305b\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u884c\u3044\u307e\u3057\u305f\u3002
\u305d\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u5fc5\u8981\u30eb\u30fc\u30eb\u306f\u6975\u529b\u6e96\u62e0\u3057\u3001\u3069\u3046\u3057\u3066\u3082\u5f93\u3048\u306a\u3044\u30eb\u30fc\u30eb\u306f\u3084\u3080\u3092\u5f97\u305a\u9038\u8131\u3059\u308b\u3068\u3044\u3046\u65b9\u91dd\u3067\u958b\u767a\u3057\u307e\u3057\u305f\u3002
\u63a8\u5968\u30eb\u30fc\u30eb\u306e\u6e96\u62e0\u306f\u4efb\u610f\u3067\u3001\u5bfe\u5fdc\u304c\u96e3\u3057\u3044\u307e\u305f\u306f\u52b9\u679c\u304c\u8584\u3044\u3088\u3046\u306a\u30eb\u30fc\u30eb\u306f\u6e96\u62e0\u3092\u898b\u9001\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
C\u8a00\u8a9e\u7528\u306e\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u3092\u7528\u3044\u3066MISRA-C\u306e\u9038\u8131\u4ef6\u6570\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u5bfe\u5fdc\u3092\u9032\u3081\u307e\u3057\u305f\u304c\u3001\u5bfe\u5fdc\u524d\u306e\u9038\u8131\u4ef6\u6570\u306f\u6570\u5343\u4ef6\u306b\u306e\u307c\u308a\u307e\u3057\u305f\u3002
\u305d\u306e\u8b66\u544a1\u30641\u3064\u3092\u6e96\u62e0\u3057\u3066\u3044\u304f\u306e\u306f\u9aa8\u306e\u6298\u308c\u308b\u4f5c\u696d\u3067\u3057\u305f\u304c\u3001\u5bfe\u5fdc\u3059\u308b\u4e2d\u3067\u672a\u767a\u898b\u306e\u30d0\u30b0\u304c\u898b\u3064\u304b\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3057\u305f\u3002
MISRA-C\u306b\u6e96\u62e0\u3057\u3066\u3044\u308c\u3070\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u305f\u30d0\u30b0\u3067\u3042\u3063\u305f\u305f\u3081\u3001MISRA-C\u306e\u91cd\u8981\u6027\u3092\u6539\u3081\u3066\u5b9f\u611f\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
MISRA-C\u306e\u5236\u9650\u304c\u3042\u308b\u3053\u3068\u3067\u81ea\u7531\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3042\u308a\u307e\u3059\u304c\u3001
\u305d\u306e\u5206\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u3042\u308c\u3070\u3001\u6e96\u62e0\u306e\u691c\u8a0e\u3092\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\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
<\/div>\n\n\n\n
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