/* xgethostname.c -- return current hostname with unlimited length
- Copyright (C) 1992, 1996, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1996, 2000, 2001 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
#endif
#include "error.h"
+#include "xalloc.h"
+
+#ifndef ENAMETOOLONG
+# define ENAMETOOLONG 9999
+#endif
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
int gethostname ();
-char *xmalloc ();
-char *xrealloc ();
#ifndef INITIAL_HOSTNAME_LENGTH
# define INITIAL_HOSTNAME_LENGTH 34
{
char *hostname;
size_t size;
- int err;
size = INITIAL_HOSTNAME_LENGTH;
/* Use size + 1 here rather than size to work around the bug
while (1)
{
int k = size - 1;
+ int err;
errno = 0;
hostname[k] = '\0';
err = gethostname (hostname, size);
if (err >= 0 && hostname[k] == '\0')
break;
-#ifdef ENAMETOOLONG
else if (err < 0 && errno != ENAMETOOLONG && errno != 0)
-#else
- else if (err < 0 && errno != 0)
-#endif
error (EXIT_FAILURE, errno, "gethostname");
size *= 2;
hostname = xrealloc (hostname, size + 1);