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/* vi: set sw=4 ts=4:
*
* who.c - display who is on the system
*
* Copyright 2012 ProFUSION Embedded Systems
*
* by Luis Felipe Strano Moraes <lfelipe@profusion.mobi>
*
* See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/who.html
USE_WHO(NEWTOY(who, NULL, TOYFLAG_BIN))
config WHO
bool "who"
default y
help
usage: who
Print logged user information on system
*/
#include "toys.h"
#include <time.h>
#include <utmpx.h>
void who_main(void)
{
struct utmpx *entry;
setutxent();
while ((entry = getutxent())) {
if (entry->ut_type == USER_PROCESS) {
time_t time;
int time_size;
char * times;
time = entry->ut_tv.tv_sec;
times = ctime(&time);
time_size = strlen(times) - 2;
printf("%s\t%s\t%*.*s\t(%s)\n", entry->ut_user, entry->ut_line, time_size, time_size, ctime(&time), entry->ut_host);
}
}
endutxent();
}
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