;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id$
-;;;;
-;;;; This file, part of UFFI, is Copyright (c) 2002-2003 by Kevin M. Rosenberg
+;;;; This file, part of UFFI, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
;;;;
;;;; *************************************************************************
;;; This example is inspired by the example on the CL-Cookbook web site
(eval-when (:compile-toplevel :load-toplevel :execute)
- (uffi:def-function ("gethostname" c-gethostname)
+ (uffi:def-function ("gethostname" c-gethostname)
((name (* :unsigned-char))
(len :int))
:returning :int)
-
+
(defun gethostname ()
"Returns the hostname"
(let* ((name (uffi:allocate-foreign-string 256))
- (result-code (c-gethostname name 256))
- (hostname (when (zerop result-code)
- (uffi:convert-from-foreign-string name))))
+ (result-code (c-gethostname name 256))
+ (hostname (when (zerop result-code)
+ (uffi:convert-from-foreign-string name))))
(uffi:free-foreign-object name)
(unless (zerop result-code)
- (error "gethostname() failed."))
+ (error "gethostname() failed."))
hostname))
-
+
(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.")))))
+ (uffi:convert-from-foreign-string name)
+ (error "gethostname() failed.")))))
(deftest :gethostname.1 (stringp (gethostname)) t)
(deftest :gethostname.2 (stringp (gethostname2)) t)