/* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* David MacKenzie <djm@gnu.ai.mit.edu> */

#ifdef HAVE_CONFIG_H
#if defined (CONFIG_BROKETS)
/* We use <config.h> instead of "config.h" so that a compilation
   using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
   (which it would do because it found this file in $srcdir).  */
#include <config.h>
#else
#include "config.h"
#endif
#endif

#ifdef HAVE_UNAME
#include <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 (name, len)
     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
  strcpy (name, "");		/* Hardcode your system name if you want.  */
#endif
  return 0;
}