linux下gettimeofday函数windows替换方案
#include <time.h>#ifdef WIN32
# include <windows.h>
#else
# include <sys/time.h>
#endif
#ifdef WIN32
int
gettimeofday(struct timeval *tp, void *tzp)
{
time_t clock;
struct tm tm;
SYSTEMTIME wtm;
GetLocalTime(&wtm);
tm.tm_year = wtm.wYear - 1900;
tm.tm_mon = wtm.wMonth - 1;
tm.tm_mday = wtm.wDay;
tm.tm_hour = wtm.wHour;
tm.tm_min = wtm.wMinute;
tm.tm_sec = wtm.wSecond;
tm. tm_isdst = -1;
clock = mktime(&tm);
tp->tv_sec = clock;
tp->tv_usec = wtm.wMilliseconds * 1000;
return (0);
}
#endif
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "gettimewin.h"
#ifdef WIN32
# include <windows.h>
#else
# include <sys/time.h>
#endif
int gettimeofday(struct timeval *tp, void *tzp);
#if defined(_MSC_VER) && !defined(snprintf)
#definesnprintf_snprintf
#endif
int main(int argc, char *argv[])
{
struct timeval tv;
char buf[] = "1970-01-01 00:00:00.000";
struct tm *newtime;
char log_name;
char log_time;
time_t lt;
time(<);
newtime = localtime(<);
strftime( log_name, 128, "%Y%m%d", newtime);
strftime( log_time,128,"%Y-%m-%d %H:%M:%S",newtime);
printf("%s\n", log_name);
printf("%s\n", log_time);
(void)gettimeofday(&tv, 0);
newtime = localtime(&(time_t(tv.tv_sec)));
(void)strftime(buf, sizeof(buf) - 1, "%Y-%m-%d %H:%M:%S.000",
(localtime(&tv.tv_sec)));
(void)snprintf(buf + 20, 3, "%03d", (int)(tv.tv_usec / 1000));
(void)printf("%s\n", buf);
return (0);
} 打破零回复
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