/* -*-c-*- */
/* gethostname emulation for SysV and POSIX.1.
Copyright (C) 1992 Free Software Foundation, Inc. */
/* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* David MacKenzie <djm@gnu.ai.mit.edu> */
#include "config.h"
#ifdef HAVE_UNAME
# include <sys/utsname.h>
#endif
/* Put up to LEN chars of the host name into NAME.
Null terminate it if the name is shorter than LEN.
Return 0 if ok, -1 if error. */
int gethostname(char *name, int len)
{
#ifdef HAVE_UNAME
struct utsname uts;
if (uname (&uts) == -1)
return -1;
if (len > sizeof (uts.nodename))
{
/* More space than we need is available. */
name[sizeof (uts.nodename)] = '\0';
len = sizeof (uts.nodename);
}
strncpy (name, uts.nodename, len);
#else
/* Hardcode your system name if you want. */
strcpy (name, "");
#endif
return 0;
}
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