localtime和localtime_r的差别

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#include <cstdlib>

#include <iostream>

#include <time.h>

#include <stdio.h>

using namespace std;

int main(int argc, char *argv[])

{

    time_t tNow =time(NULL);

    time_t tEnd = tNow + 2500;

    //在这里修改程序

    //struct tm* ptm = localtime(&tNow);

    //struct tm* ptmEnd = localtime(&tEnd);

    struct tm* ptm = new struct tm[sizeof(struct tm)];

    struct tm* ptmEnd = new struct tm[sizeof(struct tm)];

    localtime_r(&tNow, ptm);

    localtime_r(&tEnd, ptmEnd);

    char szTmp[50] = {0};

    strftime(szTmp,50,"%H:%M:%S",ptm);

    char szEnd[50] = {0};

    strftime(szEnd,50,"%H:%M:%S",ptmEnd);

    printf("%s \n",szTmp);

    printf("%s \n",szEnd);

    system("PAUSE");

    return 0;

}

localtime和localtime_r的差别

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原文地址：http://my.oschina.net/u/923534/blog/358033