You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1021 B
46 lines
1021 B
4 months ago
|
/* who.c - display who is on the system
|
||
|
|
*
|
||
|
|
* Copyright 2012 ProFUSION Embedded Systems
|
||
|
|
*
|
||
|
|
* by Luis Felipe Strano Moraes <lfelipe@profusion.mobi>
|
||
|
|
*
|
||
|
|
* See http://opengroup.org/onlinepubs/9699919799/utilities/who.html
|
||
|
|
*
|
||
|
|
* Posix says to support many options (-abdHlmpqrstTu) but this
|
||
|
|
* isn't aimed at minicomputers with modem pools.
|
||
|
|
*
|
||
|
|
* TODO: -a doesn't know how to format other entries
|
||
|
|
|
||
|
|
USE_WHO(NEWTOY(who, "a", TOYFLAG_USR|TOYFLAG_BIN))
|
||
|
|
|
||
|
|
config WHO
|
||
|
|
bool "who"
|
||
|
|
default y
|
||
|
|
depends on TOYBOX_UTMPX
|
||
|
|
help
|
||
|
|
usage: who
|
||
|
|
|
||
|
|
Print information about logged in users.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define FOR_who
|
||
|
|
#include "toys.h"
|
||
|
|
|
||
|
|
void who_main(void)
|
||
|
|
{
|
||
|
|
struct utmpx *entry;
|
||
|
|
|
||
|
|
setutxent();
|
||
|
|
while ((entry = getutxent())) {
|
||
|
|
if (FLAG(a) || entry->ut_type == USER_PROCESS) {
|
||
|
|
time_t t = entry->ut_tv.tv_sec;
|
||
|
|
struct tm *tm = localtime(&t);
|
||
|
|
|
||
|
|
strftime(toybuf, sizeof(toybuf), "%F %H:%M", tm);
|
||
|
|
printf("%s\t%s\t%s (%s)\n", entry->ut_user, entry->ut_line,
|
||
|
|
toybuf, entry->ut_host);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
endutxent();
|
||
|
|
}
|