diff options
author | Rodney W. Grimes <rgrimes@FreeBSD.org> | 1994-05-27 12:33:43 +0000 |
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committer | Rodney W. Grimes <rgrimes@FreeBSD.org> | 1994-05-27 12:33:43 +0000 |
commit | 9b50d9027575220cb6dd09b3e62f03f511e908b8 (patch) | |
tree | defc987843071f19a5891a97145437d43cba2af8 /usr.bin/users | |
parent | efd31c5952bb9bb2485c109382100127424f8611 (diff) | |
download | src-test2-9b50d9027575220cb6dd09b3e62f03f511e908b8.tar.gz src-test2-9b50d9027575220cb6dd09b3e62f03f511e908b8.zip |
Notes
Diffstat (limited to 'usr.bin/users')
-rw-r--r-- | usr.bin/users/Makefile | 5 | ||||
-rw-r--r-- | usr.bin/users/users.1 | 59 | ||||
-rw-r--r-- | usr.bin/users/users.c | 101 |
3 files changed, 165 insertions, 0 deletions
diff --git a/usr.bin/users/Makefile b/usr.bin/users/Makefile new file mode 100644 index 000000000000..d0825d016363 --- /dev/null +++ b/usr.bin/users/Makefile @@ -0,0 +1,5 @@ +# @(#)Makefile 8.1 (Berkeley) 6/6/93 + +PROG= users + +.include <bsd.prog.mk> diff --git a/usr.bin/users/users.1 b/usr.bin/users/users.1 new file mode 100644 index 000000000000..0dd1b0fc5d8b --- /dev/null +++ b/usr.bin/users/users.1 @@ -0,0 +1,59 @@ +.\" Copyright (c) 1980, 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)users.1 8.1 (Berkeley) 6/6/93 +.\" +.Dd June 6, 1993 +.Dt USERS 1 +.Os BSD 3 +.Sh NAME +.Nm users +.Nd list current users +.Sh SYNOPSIS +.Nm users +.Sh DESCRIPTION +.Nm Users +lists the login names of the users currently on the system, +in sorted order, space separated, on a single line. +.Sh FILES +.Bl -tag -width /etc/utmp +.It Pa /etc/utmp +.El +.Sh SEE ALSO +.Xr finger 1 , +.Xr last 1 , +.Xr who 1 , +.Xr utmp 5 +.Sh HISTORY +The +.Nm +command appeared in +.Bx 3.0 . diff --git a/usr.bin/users/users.c b/usr.bin/users/users.c new file mode 100644 index 000000000000..11571f2bad18 --- /dev/null +++ b/usr.bin/users/users.c @@ -0,0 +1,101 @@ +/* + * Copyright (c) 1980, 1987, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1980, 1987, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)users.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include <sys/types.h> +#include <utmp.h> +#include <stdio.h> + +#define MAXUSERS 200 + +main(argc, argv) + int argc; + char **argv; +{ + extern int optind; + register int cnt, ncnt; + struct utmp utmp; + char names[MAXUSERS][UT_NAMESIZE]; + int ch, scmp(); + + while ((ch = getopt(argc, argv, "")) != EOF) + switch(ch) { + case '?': + default: + (void)fprintf(stderr, "usage: users\n"); + exit(1); + } + argc -= optind; + argv += optind; + + if (!freopen(_PATH_UTMP, "r", stdin)) { + (void)fprintf(stderr, "users: can't open %s.\n", _PATH_UTMP); + exit(1); + } + for (ncnt = 0; + fread((char *)&utmp, sizeof(utmp), 1, stdin) == 1;) + if (*utmp.ut_name) { + if (ncnt == MAXUSERS) { + (void)fprintf(stderr, + "users: too many users.\n"); + break; + } + (void)strncpy(names[ncnt], utmp.ut_name, UT_NAMESIZE); + ++ncnt; + } + + if (ncnt) { + qsort(names, ncnt, UT_NAMESIZE, scmp); + (void)printf("%.*s", UT_NAMESIZE, names[0]); + for (cnt = 1; cnt < ncnt; ++cnt) + if (strncmp(names[cnt], names[cnt - 1], UT_NAMESIZE)) + (void)printf(" %.*s", UT_NAMESIZE, names[cnt]); + (void)printf("\n"); + } + exit(0); +} + +scmp(p, q) + char *p, *q; +{ + return(strncmp(p, q, UT_NAMESIZE)); +} |