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author | Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com> | 2019-02-01 22:55:37 +0000 |
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committer | Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com> | 2019-02-03 18:22:05 -0600 |
commit | 5b57d28ffb6e1ef86b50f7d05d977826eae89bfe (patch) | |
tree | 154a22fe556b49e6927197336f8bf91b12eacd5e /usr.bin/logname/logname.c | |
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initial population
Diffstat (limited to 'usr.bin/logname/logname.c')
-rw-r--r-- | usr.bin/logname/logname.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/usr.bin/logname/logname.c b/usr.bin/logname/logname.c new file mode 100644 index 0000000..77f1009 --- /dev/null +++ b/usr.bin/logname/logname.c @@ -0,0 +1,85 @@ +/* $NetBSD: logname.c,v 1.10 2011/09/04 20:29:12 joerg Exp $ */ + +/*- + * Copyright (c) 1991, 1993, 1994 + * 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. 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1991, 1993, 1994\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)logname.c 8.2 (Berkeley) 4/3/94"; +#endif +__RCSID("$NetBSD: logname.c,v 1.10 2011/09/04 20:29:12 joerg Exp $"); +#endif /* not lint */ + +#include <stdio.h> +#include <stdlib.h> +#include <locale.h> +#include <unistd.h> +#include <err.h> + +__dead static void usage(void); + +int +main(int argc, char *argv[]) +{ + int ch; + char *p; + + setlocale(LC_ALL, ""); + + while ((ch = getopt(argc, argv, "")) != -1) + switch (ch) { + case '?': + default: + usage(); + /* NOTREACHED */ + } + + if (argc != optind) { + usage(); + /* NOTREACHED */ + } + + if ((p = getlogin()) == NULL) + err(1, "getlogin"); + (void)printf("%s\n", p); + exit(0); +} + +static void +usage(void) +{ + (void)fprintf(stderr, "usage: logname\n"); + exit(1); +} |