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20 Commits

Author SHA1 Message Date
Dima Dorfman
e632521c36 Document -d in usage. 
Submitted by:	Martin Kammerhofer <mkamm@sbox.tu-graz.ac.at>
 2001-08-05 16:01:34 +00:00
Dima Dorfman
92b401e824 Silence warnings and minor style fixes. Mostly constify and don't 
assume that time_t is a long.  Clamp down with WARNS=2.

Not objected to by:	-audit
 2001-06-14 04:55:26 +00:00
Ruslan Ermilov
f82078861c The last(1) choked if there were two successive "login" marks 
found in wtmp(5) for the same TTY without in-between "logout"
mark.

This may be demonstrated by executing login(1), logging in and
out, and watching the last(1) output on this TTY:

: # last -tv7 -w
: ru      ttyv7              Mon May 28 12:46 - 12:46  (00:00:01)
: ru      ttyv7              Mon May 28 12:45   still logged in

The fix merely takes the second "login" mark as the "logout" for
the first "login" mark, if there were no "logout" mark in-between.
This restores the behavior of last.c,v 1.2:

: # last -tv7 -w
: ru      ttyv7              Mon May 28 12:46 - 12:46  (00:00:01)
: ru      ttyv7              Mon May 28 12:45 - 12:46  (00:00:25)

Silence from:	-arch, dg
 2001-05-28 09:57:19 +00:00
Dima Dorfman
8a24285612 Implement snapshots. The new -d option allows the user to find out 
who was logged in at a certain time and date.

Obtained from:	OpenBSD
 2001-05-28 01:22:37 +00:00
Andrey A. Chernov
a99768c6e2 Don't attempt to parse %c 2001-03-21 19:08:01 +00:00
Poul-Henning Kamp
4ea7b32b35 Used macro-API to <sys/queue.h>. 
Submitted by:	ben
 2000-12-29 09:27:57 +00:00
Warner Losh
62f882d620 getopt and friends are declared in <unistd.h> 
getopt returns -1 not EOF.
 2000-09-04 06:09:54 +00:00
Kris Kennaway
612740bdcf Don't call printf with no format string. 2000-07-10 06:02:13 +00:00
Jake Burkholder
e39756439c Back out the previous change to the queue(3) interface. 
It was not discussed and should probably not happen.

Requested by:		msmith and others
 2000-05-26 02:09:24 +00:00
Jake Burkholder
740a1973a6 Change the way that the queue(3) structures are declared; don't assume that 
the type argument to *_HEAD and *_ENTRY is a struct.

Suggested by:	phk
Reviewed by:	phk
Approved by:	mdodd
 2000-05-23 20:41:01 +00:00
Daniel O'Callaghan
e72acbba84 Reviewed by: Peter Hawkins <thepish@FreeBSD.org> 
Add s and w flags to show duration in or with seconds.
 1998-05-28 00:58:29 +00:00
John Birrell
17ce12487f Change variable from long to time_t where they are passed by reference 
to time().
 1998-05-15 12:28:43 +00:00
Steve Price
7c50fe7bb0 Add the year to the 'wtmp begins...' line. 
PR:		6421
Submitted by:	phk
 1998-05-03 23:19:15 +00:00
Warner Losh
1c8af87873 compare return value from getopt against -1 rather than EOF, per the final 
posix standard on the topic.
 1997-03-29 04:34:07 +00:00
Andrey A. Chernov
eb7456fc97 Remove one space to produce the same output alignment 
like in who, rwho, w, etc.
 1996-12-05 17:56:05 +00:00
Joerg Wunsch
19bb578358 Don't dereference a free()ed pointer. 
Closes PR bin/1909: 'last' coredumps if MALLOC_OPTIONS...
 1996-10-28 07:47:34 +00:00
Andrey A. Chernov
3905c66a6a Localize time 1996-06-17 16:44:16 +00:00
David Greenman
c83d3f4574 Fixed a bug that caused last(1) to be extremely slow in some cases, and 
made other performance improving changes. This improves the performance
of last(1) by as much as 32 times in some cases, and in more typical cases
is about twice as fast.
Added a BUGS section to the manual page to describe the behavior of last(1)
when a login shell terminates abnormally (and thus doesn't write a logout
record to the wtmp file).
 1995-10-17 18:26:43 +00:00
Garrett Wollman
656dcd4316 Delete bogus referneces to timezone code internal header file `tzfile.h', 
which is no longer bogusly installed in /usr/include.
 1995-08-07 19:17:46 +00:00
Rodney W. Grimes
9b50d90275 BSD 4.4 Lite Usr.bin Sources 1994-05-27 12:33:43 +00:00