2004-11-03 13:51:07 +00:00
|
|
|
|
.\" Hey Emacs! This file is -*- nroff -*- source.
|
|
|
|
|
.\"
|
|
|
|
|
.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
|
|
|
|
|
.\"
|
|
|
|
|
.\" Permission is granted to make and distribute verbatim copies of this
|
|
|
|
|
.\" manual provided the copyright notice and this permission notice are
|
|
|
|
|
.\" preserved on all copies.
|
|
|
|
|
.\"
|
|
|
|
|
.\" Permission is granted to copy and distribute modified versions of this
|
|
|
|
|
.\" manual under the conditions for verbatim copying, provided that the
|
|
|
|
|
.\" entire resulting derived work is distributed under the terms of a
|
|
|
|
|
.\" permission notice identical to this one.
|
2007-04-12 22:42:49 +00:00
|
|
|
|
.\"
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.\" Since the Linux kernel and libraries are constantly changing, this
|
|
|
|
|
.\" manual page may be incorrect or out-of-date. The author(s) assume no
|
|
|
|
|
.\" responsibility for errors or omissions, or for damages resulting from
|
|
|
|
|
.\" the use of the information contained herein. The author(s) may not
|
|
|
|
|
.\" have taken the same level of care in the production of this manual,
|
|
|
|
|
.\" which is licensed free of charge, as they might when working
|
|
|
|
|
.\" professionally.
|
2007-04-12 22:42:49 +00:00
|
|
|
|
.\"
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.\" Formatted or processed versions of this manual, if unaccompanied by
|
|
|
|
|
.\" the source, must acknowledge the copyright and authors of this work.
|
|
|
|
|
.\"
|
|
|
|
|
.\" Modified 1997-08-25 by Nicol<6F>s Lichtmaier <nick@debian.org>
|
2004-11-03 14:43:40 +00:00
|
|
|
|
.\" Modified 2004-06-17 by Michael Kerrisk <mtk-manpages@gmx.net>
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.\"
|
|
|
|
|
.TH GETDOMAINNAME 2 2004-06-17 "Linux 2.6.7" "Linux Programmer's Manual"
|
|
|
|
|
.SH NAME
|
|
|
|
|
getdomainname, setdomainname \- get/set domain name
|
|
|
|
|
.SH SYNOPSIS
|
|
|
|
|
.B #include <unistd.h>
|
|
|
|
|
.sp
|
|
|
|
|
.BI "int getdomainname(char *" name ", size_t " len );
|
|
|
|
|
.br
|
|
|
|
|
.BI "int setdomainname(const char *" name ", size_t " len );
|
|
|
|
|
.SH DESCRIPTION
|
|
|
|
|
These functions are used to access or to change the domain name of the
|
|
|
|
|
current processor.
|
2006-01-13 02:09:44 +00:00
|
|
|
|
If the null-terminated domain name requires more than \fIlen\fP bytes,
|
2005-10-19 06:54:38 +00:00
|
|
|
|
.BR getdomainname ()
|
2004-11-03 13:51:07 +00:00
|
|
|
|
returns the first \fIlen\fP bytes (glibc) or returns an error (libc).
|
|
|
|
|
.SH "RETURN VALUE"
|
2007-04-12 22:42:49 +00:00
|
|
|
|
On success, zero is returned.
|
|
|
|
|
On error, \-1 is returned, and
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.I errno
|
|
|
|
|
is set appropriately.
|
|
|
|
|
.SH ERRORS
|
|
|
|
|
.TP
|
|
|
|
|
.B EFAULT
|
|
|
|
|
For
|
2005-10-19 06:54:38 +00:00
|
|
|
|
.BR setdomainname ():
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.I name
|
|
|
|
|
pointed outside of user address space.
|
|
|
|
|
.TP
|
|
|
|
|
.B EINVAL
|
|
|
|
|
For
|
2005-10-19 06:54:38 +00:00
|
|
|
|
.BR getdomainname ()
|
2004-11-03 13:51:07 +00:00
|
|
|
|
under libc:
|
|
|
|
|
.I name
|
2005-11-02 13:55:25 +00:00
|
|
|
|
is NULL or
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.I name
|
|
|
|
|
is longer than
|
|
|
|
|
.I len
|
|
|
|
|
bytes.
|
|
|
|
|
.TP
|
|
|
|
|
.B EINVAL
|
|
|
|
|
For
|
2005-10-19 06:54:38 +00:00
|
|
|
|
.BR setdomainname ():
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.I len
|
|
|
|
|
was negative or too large.
|
|
|
|
|
.TP
|
|
|
|
|
.B EPERM
|
|
|
|
|
For
|
2005-10-19 06:54:38 +00:00
|
|
|
|
.BR setdomainname ():
|
2004-11-03 13:51:07 +00:00
|
|
|
|
the caller is unprivileged (Linux: does not have the
|
|
|
|
|
.B CAP_SYS_ADMIN
|
|
|
|
|
capability).
|
|
|
|
|
.SH "CONFORMING TO"
|
|
|
|
|
POSIX does not specify these calls.
|
2006-08-03 13:57:17 +00:00
|
|
|
|
.\" But they appear on most systems...
|
2004-11-03 13:51:07 +00:00
|
|
|
|
.SH "SEE ALSO"
|
|
|
|
|
.BR gethostname (2),
|
|
|
|
|
.BR sethostname (2),
|
|
|
|
|
.BR uname (2)
|