/* Host name canonicalization
- Copyright (C) 1995, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
+#include <stdlib.h>
+#include <string.h>
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
# include <arpa/inet.h>
#endif
-#ifndef strdup
-char *strdup ();
-#endif
-void free ();
-
/* Returns the canonical hostname associated with HOST (allocated in a static
buffer), or 0 if it can't be determined. */
char *
directly to gethostbyaddr because on some systems he->h_addr
is located in a static library buffer that is reused in the
gethostbyaddr call. Make a copy and use that instead. */
- char *h_addr_copy = strdup (he->h_addr);
+ char *h_addr_copy = (char *) malloc (he->h_length);
if (h_addr_copy == NULL)
he = NULL;
else
{
+ memcpy (h_addr_copy, he->h_addr, he->h_length);
he = gethostbyaddr (h_addr_copy, he->h_length, he->h_addrtype);
free (h_addr_copy);
}