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| | #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;
}
weak_alias(__localtime_r, localtime_r);
|