1 /* vi: set sw=4 ts=4: */
2 /*----------------------------------------------------------------------
3 * Mini who is used to display user name, login time,
4 * idle time and host name.
6 * Author: Da Chen <dchen@ayrnetworks.com>
8 * This is a free document; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation:
11 * http://www.gnu.org/copyleft/gpl.html
13 * Copyright (c) 2002 AYR Networks, Inc.
15 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
17 *----------------------------------------------------------------------
19 /* BB_AUDIT SUSv3 _NOT_ compliant -- missing options -b, -d, -H, -l, -m, -p, -q, -r, -s, -t, -T, -u; Missing argument 'file'. */
24 static void idle_string(char *str6
, time_t t
)
33 if (t
>= 0 && t
< (24 * 60 * 60)) {
34 sprintf(str6
, "%02d:%02d",
35 (int) (t
/ (60 * 60)),
36 (int) ((t
% (60 * 60)) / 60));
42 int who_main(int argc
, char **argv
) MAIN_EXTERNALLY_VISIBLE
;
43 int who_main(int argc UNUSED_PARAM
, char **argv
)
51 opt_complementary
= "=0";
52 opt
= getopt32(argv
, "a");
55 printf("USER TTY IDLE TIME HOST\n");
56 while ((ut
= getutent()) != NULL
) {
57 if (ut
->ut_user
[0] && (opt
|| ut
->ut_type
== USER_PROCESS
)) {
59 /* ut->ut_line is device name of tty - "/dev/" */
60 name
= concat_path_file("/dev", ut
->ut_line
);
63 if (stat(name
, &st
) == 0)
64 idle_string(str6
, st
.st_atime
);
65 /* manpages say ut_tv.tv_sec *is* time_t,
66 * but some systems have it wrong */
67 tmp
= ut
->ut_tv
.tv_sec
;
68 /* 15 chars for time: Nov 10 19:33:20 */
69 printf("%-10s %-8s %-9s %-15.15s %s\n",
70 ut
->ut_user
, ut
->ut_line
, str6
,
71 ctime(&tmp
) + 4, ut
->ut_host
);
72 if (ENABLE_FEATURE_CLEAN_UP
)
76 if (ENABLE_FEATURE_CLEAN_UP
)