update from main archive 961215

update from main archive 961215

Mon Dec 16 02:15:42 1996  Ulrich Drepper  <drepper@cygnus.com>

	Make sure tzset() sets always tzname[].
	* time/tzfile.c: De-ANSI-declfy.
	(find_transition): New function.  Set tzname according to given time.
	(__tzread_file): Use find_transition to set tzname.
	(__tzfile_compute): Use find_transition instead of doing the work
	self.
	* time/tzset.c (tzset): Set tzname[] directly only if !__use_tzfile.

Sun Dec 15 16:52:34 1996  Ulrich Drepper  <drepper@cygnus.com>

	* login/utmp-file.c (pututline_file): Open file if closed.
	Reported by Roma Ekzhanov <ekzhanov@paragraph.com>.
	Use fcntl instead of flock.

Sun Dec 15 14:20:51 1996  Ulrich Drepper  <drepper@cygnus.com>

	* manual/time.texi: Update documentation of strftime function.