30 Aug
2023
30 Aug
'23
9:03 p.m.
KenUnix wrote:
Got a question. With 3BSD I have been unable to find
where the time
zone is set. I have looked at date.c, time.h and timebuf.h. In the
meantime I fixed date.c to handle Y2K dates.
Same as v7, in /usr/src/sys/h/param.h (kernel rebuild required):
#define TIMEZONE (8*60) /* Minutes westward from Greenwich */
#define DSTFLAG 1 /* Daylight Saving Time applies in this locality */
libc has the same limitations as v7:
/usr/src/libc/gen/timezone.c timezone function (used by date)
knows only a subset of US zone names, plus GMT.
/usr/src/libc/gen/ctime.c has hardwired knowledge of DST change dates