uclibc-ng/libc/misc/time/localtime.c

#include <time.h>
#include <sys/time.h>

extern void __tm_conv();

struct tm *localtime(timep)
__const time_t *timep;
{
	static struct tm tmb;
	struct timezone tz;
	time_t offt;

	gettimeofday((void *) 0, &tz);

	offt = -tz.tz_minuteswest * 60L;

	/* tmb.tm_isdst = ? */
	__tm_conv(&tmb, timep, offt);

	return &tmb;
}