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annotate toys/other/w.c @ 656:6df4ccc0acbe

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Regularize command headers, update links to standards documents.
author Rob Landley <rob@landley.net>
date Sat, 25 Aug 2012 18:08:51 -0500
parents 2986aa63a021
children 786841fdb1e0
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03f18afb4b44 Add w command by Gaurang Shastri.
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1 /* vi: set sw=4 ts=4:
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2 *
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3 * w.c - shows logged in users
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4 *
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5 * Copyright 2012 Gaurang Shastri <gmshastri@gmail.com>
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6
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7 USE_W(NEWTOY(w, NULL, TOYFLAG_USR|TOYFLAG_BIN))
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8
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9 config W
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10 bool "w"
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11 default y
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12 help
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13 usage: w
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14
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15 Show who is logged on and since how long they logged in.
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16 */
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17
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18 #include "toys.h"
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19
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20 void w_main(void)
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21 {
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22 struct utmpx *x;
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23
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24 xprintf("USER TTY LOGIN@ FROM");
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25 setutxent();
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26 while ((x=getutxent()) != NULL)
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27 if (x->ut_type==7) {
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28 time_t tt = x->ut_tv.tv_sec;
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29
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30 xprintf("\n%-9.8s%-9.8s %-4.24s (%-1.12s)", x->ut_user, x->ut_line,
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31 ctime(&tt), x->ut_host);
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32 }
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33 xputc('\n');
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34 }