Mercurial > hg > toybox
view toys/who.c @ 589:7013fd450ff4
Changed my mind about the design again, now callback is dirtree_opennode() and recursion choice is how caller interprets flags.
author | Rob Landley <rob@landley.net> |
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date | Fri, 01 Jun 2012 20:27:51 -0500 |
parents | 31215cc6c9f2 |
children |
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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 n help usage: who Print logged user information on system */ #include "toys.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(); }