{"id":574,"date":"2022-07-02T13:25:03","date_gmt":"2022-07-02T05:25:03","guid":{"rendered":"https:\/\/niuguodong.com\/?p=574"},"modified":"2025-12-24T22:41:05","modified_gmt":"2025-12-24T14:41:05","slug":"c%e8%af%ad%e8%a8%80%e8%b0%83%e8%af%95%e5%b7%a5%e5%85%b7%ef%bc%88%e6%95%b0%e6%8d%ae%e6%89%93%e5%8d%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/niuguodong.com\/index.php\/2022\/07\/02\/c%e8%af%ad%e8%a8%80%e8%b0%83%e8%af%95%e5%b7%a5%e5%85%b7%ef%bc%88%e6%95%b0%e6%8d%ae%e6%89%93%e5%8d%b0%ef%bc%89\/","title":{"rendered":"C\u8bed\u8a00\u6570\u636e\u683c\u5f0f\u5316\u6253\u5370\uff08\u8c03\u8bd5\u8f93\u51fa\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5934\u6587\u4ef6<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>#ifndef MY_LOG_H\n#define MY_LOG_H\n\n#include \"stddef.h\"\n\n\n\/**\n * @brief \u8f93\u51fa\u5185\u5b58\u6570\u636e\n * @param addr \u5185\u5b58\u8d77\u59cb\u5730\u5740\n * @param len \u6570\u636e\u957f\u5ea6\n * @param note \u5907\u6ce8\u4fe1\u606f\n *\/\nvoid Log_Show_Memory(const void *addr, size_t len, const char *note);\n\n#endif<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">.c\u6587\u4ef6<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>#include \"my_log.h\"\n\n#include &lt;stdio.h>\n#include &lt;string.h>\n#include &lt;ctype.h>\n\n\nvoid Log_Show_Memory(const void *addr, size_t len, const char *note)\n{\n    if (addr==NULL || len==0)\n    {\n        printf(\"invalid address or length!\\n\");\n        return;\n    }\n\n    printf(\"\\n\");\n    printf(\"================================Show Memory================================\\n\");\n    \n    \/\/ \u8f93\u51fa\u5907\u6ce8\u548c\u8d77\u59cb\u5730\u5740,\u504f\u79fb\u5730\u5740\n    if(note != NULL) {\n        printf(\"note: %s\\n\", note);\n    }\n    printf(\"memaddr:  %p~%p, %ld Byte\\n\", addr, addr+len, len);\n    printf(\"offaddr:  00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F  ASCII\\n\");\n    printf(\"--------  ------------------------------------------------ ----------------\\n\");\n    \n    const unsigned char *p = (const unsigned char *)addr;\n    size_t i, j;\n    \n    for(i=0; i&lt;len; i+=16)\n    {\n        \/\/ \u8f93\u51fa\u504f\u79fb\u5730\u5740\n        printf(\"%08zX  \", i);\n        \n        \/\/ \u8f93\u51fa\u5341\u516d\u8fdb\u5236\u6570\u636e\n        for(j=0; j&lt;16; j++)\n        {\n            if (i+j &lt; len)\n            {\n                printf(\"%02X \", p&#91;i+j]);\n            }\n            else\n            {\n                printf(\"   \"); \/\/ \u586b\u5145\u7a7a\u683c\n            }\n        }\n        \n        printf(\" \");\n        \n        \/\/ \u8f93\u51fa\u53ef\u6253\u5370\u5b57\u7b26\n        for(j=0; j&lt;16; j++)\n        {\n            if(i+j &lt; len)\n            {\n                unsigned char c = p&#91;i+j];\n                if(isprint(c))\n                {\n                    printf(\"%c\", c);\n                }\n                else\n                {\n                    printf(\".\");\n                }\n            }\n        }\n        \n        printf(\"\\n\");\n    }\n    printf(\"===========================================================================\\n\");\n    printf(\"\\n\");\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5934\u6587\u4ef6 .c\u6587\u4ef6<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,4,3,5],"tags":[],"class_list":["post-574","post","type-post","status-publish","format-standard","hentry","category-c","category-4","category-3","category-5"],"_links":{"self":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts\/574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/comments?post=574"}],"version-history":[{"count":0,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts\/574\/revisions"}],"wp:attachment":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/media?parent=574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/categories?post=574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/tags?post=574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}