1 /* xgethostname.c -- return current hostname with unlimited length
2 Copyright (C) 1992 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
18 /* Written by Jim Meyering, meyering@comco.com */
21 #if defined (CONFIG_BROKETS)
22 /* We use <config.h> instead of "config.h" so that a compilation
23 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
24 (which it would do because it found this file in $srcdir). */
31 #include <sys/types.h>
37 #ifndef INITIAL_HOSTNAME_LENGTH
38 #define INITIAL_HOSTNAME_LENGTH 33
48 size = INITIAL_HOSTNAME_LENGTH;
49 hostname = xmalloc (size);
52 hostname[size - 1] = '\0';
53 err = gethostname (hostname, size);
54 if (err == 0 && hostname[size - 1] == '\0')
57 hostname = xrealloc (hostname, size);