diff options
author | Cameron Katri <me@cameronkatri.com> | 2021-05-09 14:20:58 -0400 |
---|---|---|
committer | Cameron Katri <me@cameronkatri.com> | 2021-05-09 14:20:58 -0400 |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /shell_cmds/logname | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'shell_cmds/logname')
-rw-r--r-- | shell_cmds/logname/logname.1 | 78 | ||||
-rw-r--r-- | shell_cmds/logname/logname.c | 92 |
2 files changed, 170 insertions, 0 deletions
diff --git a/shell_cmds/logname/logname.1 b/shell_cmds/logname/logname.1 new file mode 100644 index 0000000..4d2a508 --- /dev/null +++ b/shell_cmds/logname/logname.1 @@ -0,0 +1,78 @@ +.\" $NetBSD: logname.1,v 1.8 1997/10/19 04:20:06 lukem Exp $ +.\" +.\" Copyright (c) 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" 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. +.\" +.\" @(#)logname.1 8.1 (Berkeley) 6/9/93 +.\" +.Dd June 9, 1993 +.Dt LOGNAME 1 +.Os BSD 4.4 +.Sh NAME +.Nm logname +.Nd display user's login name +.Sh SYNOPSIS +.Nm +.Sh DESCRIPTION +The +.Nm +utility writes the user's login name to standard output followed by +a newline. +.Pp +The +.Nm +utility explicitly ignores the +.Ev LOGNAME +and +.Ev USER +environment variables +because the environment cannot be trusted. +.Pp +The +.Nm +utility exits 0 on success, and >0 if an error occurs. +.Sh SEE ALSO +.Xr who 1 , +.Xr whoami 1 , +.Xr getlogin 2 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.2-92 . +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.4 . diff --git a/shell_cmds/logname/logname.c b/shell_cmds/logname/logname.c new file mode 100644 index 0000000..ed63ffe --- /dev/null +++ b/shell_cmds/logname/logname.c @@ -0,0 +1,92 @@ +/* $NetBSD: logname.c,v 1.7 1997/10/19 04:20:06 lukem 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. 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1991, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)logname.c 8.2 (Berkeley) 4/3/94"; +#endif +__RCSID("$NetBSD: logname.c,v 1.7 1997/10/19 04:20:06 lukem Exp $"); +#endif /* not lint */ + +#include <stdio.h> +#include <stdlib.h> +#include <locale.h> +#include <unistd.h> +#include <err.h> + +int main __P((int, char **)); +void usage __P((void)); + +int +main(argc, argv) + 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); +} + +void +usage() +{ + (void)fprintf(stderr, "usage: logname\n"); + exit(1); +} |