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- /* 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 <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 (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;
- }
-