X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fcanon-host.c;h=d2d0746c7f8b020d27e5c2fb066cc4ddfd656a93;hb=4bc0a0ad4c963017ab77335801566546afbf965b;hp=0c7eac4f0685614c001bd313d5b2182472392b69;hpb=47dfd672be686afb0b5d1d1e9e491f37effdcad9;p=gnulib.git

diff --git a/lib/canon-host.c b/lib/canon-host.c
index 0c7eac4f0..d2d0746c7 100644
--- 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 Free Software Foundation, Inc.
 
    Written by Miles Bader <miles@gnu.ai.mit.edu>
 
@@ -26,6 +26,9 @@
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
 #ifdef HAVE_STRING_H
 # include <string.h>
 #endif
@@ -43,8 +46,6 @@
 # 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 +78,12 @@ 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);
 	    }