xref: /aosp_15_r20/external/toybox/toys/other/w.c (revision cf5a6c84e2b8763fc1a7db14496fd4742913b199)
1*cf5a6c84SAndroid Build Coastguard Worker /* w.c - shows logged in users
2*cf5a6c84SAndroid Build Coastguard Worker  *
3*cf5a6c84SAndroid Build Coastguard Worker  * Copyright 2012 Gaurang Shastri <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker 
5*cf5a6c84SAndroid Build Coastguard Worker USE_W(NEWTOY(w, NULL, TOYFLAG_USR|TOYFLAG_BIN))
6*cf5a6c84SAndroid Build Coastguard Worker 
7*cf5a6c84SAndroid Build Coastguard Worker config W
8*cf5a6c84SAndroid Build Coastguard Worker   bool "w"
9*cf5a6c84SAndroid Build Coastguard Worker   default y
10*cf5a6c84SAndroid Build Coastguard Worker   help
11*cf5a6c84SAndroid Build Coastguard Worker     usage: w
12*cf5a6c84SAndroid Build Coastguard Worker 
13*cf5a6c84SAndroid Build Coastguard Worker     Show who is logged on and since how long they logged in.
14*cf5a6c84SAndroid Build Coastguard Worker */
15*cf5a6c84SAndroid Build Coastguard Worker 
16*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
17*cf5a6c84SAndroid Build Coastguard Worker 
w_main(void)18*cf5a6c84SAndroid Build Coastguard Worker void w_main(void)
19*cf5a6c84SAndroid Build Coastguard Worker {
20*cf5a6c84SAndroid Build Coastguard Worker   struct utmpx *x;
21*cf5a6c84SAndroid Build Coastguard Worker 
22*cf5a6c84SAndroid Build Coastguard Worker   xprintf("USER     TTY             LOGIN@              FROM");
23*cf5a6c84SAndroid Build Coastguard Worker   setutxent();
24*cf5a6c84SAndroid Build Coastguard Worker   while ((x=getutxent()) != NULL) {
25*cf5a6c84SAndroid Build Coastguard Worker     if (x->ut_type==7) {
26*cf5a6c84SAndroid Build Coastguard Worker       time_t tt = x->ut_tv.tv_sec;
27*cf5a6c84SAndroid Build Coastguard Worker 
28*cf5a6c84SAndroid Build Coastguard Worker       xprintf("\n%-9.8s%-9.8s %-4.24s (%-1.12s)", x->ut_user, x->ut_line,
29*cf5a6c84SAndroid Build Coastguard Worker         ctime(&tt), x->ut_host);
30*cf5a6c84SAndroid Build Coastguard Worker     }
31*cf5a6c84SAndroid Build Coastguard Worker   }
32*cf5a6c84SAndroid Build Coastguard Worker   xputc('\n');
33*cf5a6c84SAndroid Build Coastguard Worker }
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