centos generate uuid,install libuuid-devel,compile -luuid

//install libuuid-devel
 sudo yum install libuuid libuuid-devel

　　

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#include <iostream> #include <stdio.h> #include <uuid/uuid.h>   char *uuid_value=(char*)malloc(40); char * get_uuid() {         uuid_t new_uuid;         uuid_generate(new_uuid);           //uuid_generate_time_safe(new_uuid);         //char *uuid_value=(char*)malloc(40);         //uuid_unparse_lower(new_uuid,uuid_value);         //uuid_parse(uuid_value,new_uuid);         uuid_unparse(new_uuid,uuid_value);         return uuid_value; }     void print_uuid(const int&len) {         for(int i=0;i<len;i++)         {                 std::cout<<i+1<<","<<get_uuid()<<std::endl;         } }   int main(int args,char** argv) {         print_uuid(atoi(argv[1]));         free(uuid_value);         std::cout<<"Finished in "<<__FUNCTION__<<std::endl; }

　　

Compile

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1	g++ -std=c++0x -I. *.cpp -o h1 -luuid;

　　

 

Run

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1

./h1 100;