r2912: rename .cl to .lisp

[uffi.git] / examples / gettime.lisp

diff --git a/examples/gettime.lisp b/examples/gettime.lisp
new file mode 100644 (file)
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+++ b/examples/gettime.lisp
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+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          gettime
+;;;; Purpose:       UFFI Example file to get time, use C structures
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  Feb 2002
+;;;;
+;;;; $Id: gettime.lisp,v 1.1 2002/09/30 10:02:36 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)
+
+(uffi:def-foreign-type time-t :unsigned-long)
+
+(uffi:def-struct tm
+    (sec :int)
+  (min :int)
+  (hour :int)
+  (mday :int)
+  (mon :int)
+  (year :int)
+  (wday :int)
+  (yday :int)
+  (isdst :int))
+
+(uffi:def-function ("time" c-time) 
+    ((time (* time-t)))
+  :returning time-t)
+
+(uffi:def-function ("localtime" c-localtime)
+    ((time (* time-t)))
+  :returning (* tm))
+
+(uffi:def-type time-t :unsigned-long)
+(uffi:def-type tm-pointer (* tm))
+
+(defun gettime ()
+   "Returns the local time"
+   (uffi:with-foreign-object (time 'time-t)
+;;     (declare (type time-t time))
+     (c-time time)
+     (let ((tm-ptr (the tm-pointer (c-localtime time))))
+       (declare (type tm-pointer tm-ptr))
+       (let ((time-string (format nil "~2d/~2,'0d/~d ~2d:~2,'0d:~2,'0d" 
+                                 (1+ (uffi:get-slot-value tm-ptr 'tm 'mon))
+                                 (uffi:get-slot-value tm-ptr 'tm 'mday)
+                                 (+ 1900 (uffi:get-slot-value tm-ptr 'tm 'year))
+                                 (uffi:get-slot-value tm-ptr 'tm 'hour)
+                                 (uffi:get-slot-value tm-ptr 'tm 'min)
+                                 (uffi:get-slot-value tm-ptr 'tm 'sec)
+                                 )))
+        time-string))))
+
+
+
+
+#+examples-uffi
+(format t "~&~A" (gettime))
+
+#+test-uffi
+(progn
+  (let ((time (gettime)))
+    (util.test:test (stringp time) t :fail-info "Time is not a string")
+    (util.test:test (plusp (parse-integer time :junk-allowed t))
+                   t
+                   :fail-info "time string does not start with a number")))
+
+