On Wed, Apr 21, 2021 at 11:51:55AM +0000, Geva, Erez wrote:
> Looks like the man page is not accurate.
> Looking in
> https://pubs.opengroup.org/onlinepubs/009695399/functions/mktime.html
Okay, I see now, in the man page we read:
The value specified in the tm_isdst field informs mktime() whether or
not daylight saving time (DST) is in effect for the time supplied in
the tm structure: a positive value means DST is in effect; zero means
that DST is not in effect; and a negative value means that mktime()
should (use timezone information and system databases to) attempt to
determine whether DST is in effect at the specified time.
So the only input values are -1, 0, and 1.
Can anybody tell me what glibc will do with TZ=UTC ?
IOW, should tm_isdst be passed as 0 or -1 ?
Thanks,
Richard
_______________________________________________
Linuxptp-devel mailing list
Linuxptp-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linuxptp-devel
