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glibc  2.9
gethostname.c
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00001 /* Copyright (C) 1991-1997, 2000, 2001 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <unistd.h>
00020 #include "hurdhost.h"
00021 
00022 /* Put the name of the current host in no more than LEN bytes of NAME.
00023    The result is null-terminated if LEN is large enough for the full
00024    name and the terminator.  */
00025 int
00026 __gethostname (name, len)
00027      char *name;
00028      size_t len;
00029 {
00030   /* The host name is just the contents of the file /etc/hostname.  */
00031   ssize_t n = _hurd_get_host_config ("/etc/hostname", name, len);
00032   return n < 0 ? -1 : 0;
00033 }
00034 
00035 weak_alias (__gethostname, gethostname)