gettimeofday_r.c

来自「FAT16 Filesystem on Philips LPC2000 seri」· C语言 代码 · 共 42 行

#include <reent.h>
#include <errno.h>
#include <devices.h>
#include <sys/time.h>
#include <types.h>
#include <sysdefs.h>
#include <sysdefs.h>
#include <time.h>

//
// note: MSDOS epoch is: 315532800 -- Jan 01, 1980 00:00:00
//
// note: unix epoch is: 0 -- Jan 01, 1970 00:00:00
//
/***********************************************************
 *
 * gettimeofday_r
 *  return time in epoch seconds since Jan 01, 1970
 *
***********************************************************/
int _gettimeofday_r (struct _reent *r, struct timeval *tp, struct timezone *tzp)
{
struct tm now;
#ifdef HAS_CLOCK
	readRTC (&now);
		// adjust for differences between our clock and a "normal" clock.
	now.tm_year -= 1900;
	now.tm_mon -= 1;
	now.tm_yday -= 1;
#else
	{
	time_t newTime;
		newTime = 0;
		localtime_r(&newTime, &now);
	}
#endif
	tp->tv_sec = mktime(&now);
	tp->tv_usec = 0;
	return 0;
}