{"id":3474,"date":"2017-08-05T13:07:53","date_gmt":"2017-08-05T05:07:53","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3474"},"modified":"2017-08-05T13:07:53","modified_gmt":"2017-08-05T05:07:53","slug":"linux%e4%b8%8bc%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e9%a2%84%e5%ae%9a%e4%b9%89%e5%ae%8f","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3474.html","title":{"rendered":"Linux\u4e0bC\u8bed\u8a00\u4e2d\u7684\u9884\u5b9a\u4e49\u5b8f"},"content":{"rendered":"

=Start=<\/p>\n

\u7f18\u7531\uff1a<\/h4>\n

\u5b66\u4e60\u63d0\u9ad8<\/p>\n

\u6b63\u6587\uff1a<\/h4>\n

\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n

`
\n__FUNCTION__ is non standard, __func__ exists in C99 \/ C++11. The others (__LINE__ and __FILE__) are just fine.<\/p>\n

It will always report the right file and line (and function if you choose to use __FUNCTION__\/__func__). Optimization is a non-factor since it is a compile time macro expansion; it will never effect performance in any way.
\n`<\/p>\n

\n
\n
\n
\n\n\n\n
\n
\n
#include <stdio.h><\/code><\/div>\n
<\/div>\n
void<\/code>\u00a0testFunc() {<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>printf(<\/code>\"File = %s\\nLine = %d\\nFunc=%s\\nDate=%s\\nTime=%s\\n\"<\/code>,<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>__FILE__, __LINE__, __FUNCTION__, __DATE__, __TIME__);<\/code><\/div>\n
}<\/code><\/div>\n
<\/div>\n
int<\/code>\u00a0main(<\/code>int<\/code>\u00a0argc,\u00a0<\/code>char<\/code>* argv[])<\/code><\/div>\n
{<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>testFunc();<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>getchar();<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code>\u00a00<\/code>;<\/code><\/div>\n
}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u5229\u7528\u8fd9\u51e0\u4e2a\u9884\u5b9a\u4e49\u7684\u5b8f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u4ee3\u7801\u8ddf\u8e2a\u8c03\u8bd5\u7684\u529f\u80fd\u3002<\/p>\n

\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n

https:\/\/gcc.gnu.org\/onlinedocs\/cpp\/Standard-Predefined-Macros.html<\/a><\/p>\n

https:\/\/stackoverflow.com\/questions\/597078\/file-line-and-function-usage-in-c<\/a><\/p>\n

https:\/\/stackoverflow.com\/questions\/5047597\/file-in-h-what-does-it-resolve-to<\/a><\/p>\n

[\u7b14\u8bb0]C\u8bed\u8a00\u4e2d\u9884\u5b9a\u4e49\u7b26 __FILE__, __LINE__, __FUNCTION__, __DATE__, __TIME__ \u7684\u4f7f\u7528\u6f14\u793a
\nhttp:\/\/www.cnblogs.com\/journeyonmyway\/archive\/2012\/09\/07\/2674410.html<\/a><\/p>\n

__FILE__,__LINE__,FUNCTION__\u5b9e\u73b0\u4ee3\u7801\u8ddf\u8e2a\u8c03\u8bd5\uff08linux\u4e0bc\u8bed\u8a00\u7f16\u7a0b)
\nhttp:\/\/www.cnitblog.com\/zouzheng\/archive\/2007\/08\/31\/32691.aspx<\/a><\/p>\n

C\/c++\u51e0\u4e2a\u9884\u5b9a\u4e49\u7684\u5b8f\uff1a__DATE__,__TIME__,__FILE__,__LINE__
\nhttp:\/\/c.biancheng.net\/cpp\/html\/2552.html<\/a><\/p>\n

linux \u4e2dC\u8bed\u8a00\u4fbf\u4e8e\u8c03\u8bd5\u7684\u5b8f\u5b9a\u4e49\u7f16\u5199\u53ca __FILE__\uff0c__FUNCTION__\uff0c __LINE__\u53c2\u6570\u4f7f\u7528
\nhttp:\/\/blog.csdn.net\/edonlii\/article\/details\/8491342<\/a><\/p>\n

=END=<\/p>\n","protected":false},"excerpt":{"rendered":"

=Start= \u7f18\u7531\uff1a \u5b66\u4e60\u63d0\u9ad8 \u6b63\u6587\uff1a \u53c2\u8003\u89e3\u7b54\uff1a ` __FUNCTION__ is non standa […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11,7],"tags":[881,883,100,30,882],"class_list":["post-3474","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","category-programing","tag-__file__","tag-__line__","tag-c","tag-linux","tag-macro"],"views":4317,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=3474"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3474\/revisions"}],"predecessor-version":[{"id":3475,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3474\/revisions\/3475"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=3474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=3474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=3474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}