source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/time/localtime_r.c@ 352

#include "time_impl.h"
#include <errno.h>
#include "libc.h"

struct tm *__localtime_r(const time_t *restrict t, struct tm *restrict tm)
{
        /* Reject time_t values whose year would overflow int because
         * __secs_to_zone cannot safely handle them. */
        if (*t < INT_MIN * 31622400LL || *t > INT_MAX * 31622400LL) {
                errno = EOVERFLOW;
                return 0;
        }
        __secs_to_zone(*t, 0, &tm->tm_isdst, &tm->__tm_gmtoff, 0, &tm->__tm_zone);
        if (__secs_to_tm((long long)*t + tm->__tm_gmtoff, tm) < 0) {
                errno = EOVERFLOW;
                return 0;
        }
        return tm;
}

#ifndef __c2__
weak_alias(__localtime_r, localtime_r);
#else
struct tm *localtime_r(const time_t *restrict t, struct tm *restrict tm)
{
        return __localtime_r(t, tm);
}
#endif