Remove K&R cruft.

[gnulib.git] / lib / canon-host.c

diff --git a/lib/canon-host.c b/lib/canon-host.c
index 0c7eac4..b0c2f44 100644 (file)
--- a/lib/canon-host.c
+++ b/lib/canon-host.c
@@ -1,6 +1,6 @@
 /* Host name canonicalization
 
-   Copyright (C) 1995, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
 
    Written by Miles Bader <miles@gnu.ai.mit.edu>
 
@@ -26,9 +26,8 @@
 #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
@@ -43,8 +42,6 @@
 # include <arpa/inet.h>
 #endif
 
-void free ();
-
 /* Returns the canonical hostname associated with HOST (allocated in a static
    buffer), or 0 if it can't be determined.  */
 char *
@@ -77,11 +74,12 @@ canon_host (const char *host)
             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);
            }