;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: gethostname.cl,v 1.5 2002/03/14 21:03:12 kevin Exp $
+;;;; $Id: gethostname.cl,v 1.8 2002/03/22 20:51:08 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
;;; This example is inspired by the example on the CL-Cookbook web site
(uffi:def-function ("gethostname" c-gethostname)
- ((name :cstring)
+ ((name (* :unsigned-char))
(len :int))
:returning :int)
(uffi:convert-from-foreign-string name)
(error "gethostname() failed."))
(uffi:free-foreign-object name))))
-
+
+(defun gethostname2 ()
+ "Returns the hostname"
+ (uffi:with-foreign-object (name (:array :unsigned-char 256))
+ (if (zerop (c-gethostname (uffi:char-array-to-pointer name) 256))
+ (uffi:convert-from-foreign-string name)
+ (error "gethostname() failed."))))
+
#+test-uffi
-(format t "~&Hostname: ~A" (gethostname))
+(format t "~&Hostname (technique 1): ~A" (gethostname))
+(format t "~&Hostname (technique 2): ~A" (gethostname2))