+++ /dev/null
-;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: gethostname.cl
-;;;; Purpose: UFFI Example file to get hostname of system
-;;;; Programmer: Kevin M. Rosenberg
-;;;; Date Started: Feb 2002
-;;;;
-;;;; $Id: gethostname.cl,v 1.12 2002/04/03 00:31:32 kevin Exp $
-;;;;
-;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
-;;;;
-;;;; UFFI users are granted the rights to distribute and use this software
-;;;; as governed by the terms of the Lisp Lesser GNU Public License
-;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
-;;;; *************************************************************************
-
-(in-package :cl-user)
-
-
-;;; This example is inspired by the example on the CL-Cookbook web site
-
-(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 (c-gethostname name 256)))
- (unwind-protect
- (if (zerop result)
- (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."))))
-
-#+examples-uffi
-(progn
- (format t "~&Hostname (technique 1): ~A" (gethostname))
- (format t "~&Hostname (technique 2): ~A" (gethostname2)))
-
-#+test-uffi
-(progn
- (let ((hostname1 (gethostname))
- (hostname2 (gethostname2)))
-
- (util.test:test (and (stringp hostname1) (stringp hostname2)) t
- :fail-info "gethostname not string")
- (util.test:test (and (not (zerop (length hostname1)))
- (not (zerop (length hostname2)))) t
- :fail-info "gethostname length 0")
- (util.test:test (string= hostname1 hostname1) t
- :fail-info "gethostname techniques don't match"))
- )
-
-