C# macro function via #define __FILE__ __LINE__ ___FUNCTION__ __DATE__ __TIME__
作者:互联网
#include <iostream> #include <uuid/uuid.h> #include <ctime> #include <unistd.h> #include <fstream> #include <sstream> static char *dtValue=(char*)malloc(20); static char *uuidValue=(char*)malloc(40); char *getUuid2() { uuid_t newUUID; uuid_generate(newUUID); uuid_unparse(newUUID,uuidValue); return uuidValue; } char *getTimeNow() { time_t rawTime=time(NULL); struct tm tmInfo=*localtime(&rawTime); strftime(dtValue,20,"%y%m%d%H%M%S",&tmInfo); return dtValue; } #define Multiply(x,y){x*y} void macro8(); void macro9(); int main() { macro9(); return 0; } void macro9() { cout<<"FILE="<<__FILE__<<endl; cout<<"LINE="<<__LINE__<<endl; cout<<"FUNCTION="<<__FUNCTION__<<endl; cout<<"DATE="<<__DATE__<<endl; cout<<"TIME="<<__TIME__<<endl; cout<<"Finished in macro9() and now is "<<getTimeNow()<<endl; free(uuidValue); free(dtValue); } void macro8() { double d1=10.4352,d2=4645.43; double d3=Multiply(d1,d2); cout<<"d3="<<to_string(d3)<<endl; int i1=3452,i2=4265456; int i3=Multiply(i1,i2); cout<<"i3="<<i3<<endl; }
Compile via
g++ -g -std=c++2a -I. h1.cpp -o h1 -luuid
Run ./h1
int main() { macro8(); return 0; }
标签:__,function,via,return,uuidValue,char,dtValue,include 来源: https://www.cnblogs.com/Fred1987/p/15750029.html