--- /dev/null
+/* xgethostname.c -- return current hostname with unlimited length
+ 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. */
+
+/* Written by Jim Meyering, meyering@comco.com */
+
+#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
+
+#include <sys/types.h>
+
+int gethostname ();
+char *xmalloc ();
+char *xrealloc ();
+
+#ifndef INITIAL_HOSTNAME_LENGTH
+#define INITIAL_HOSTNAME_LENGTH 33
+#endif
+
+char *
+xgethostname ()
+{
+ char *hostname;
+ size_t size;
+ int err;
+
+ size = INITIAL_HOSTNAME_LENGTH;
+ while (1)
+ {
+ hostname = xmalloc (size);
+ hostname[size - 1] = '\0';
+ err = gethostname (hostname, size);
+ if (err || hostname[size - 1] == '\0')
+ break;
+ size *= 2;
+ hostname = xrealloc (hostname, size);
+ }
+
+ return hostname;
+}