1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
6 ;;;; Purpose: UFFI Example file to get environment variable
7 ;;;; Programmer: Kevin M. Rosenberg
8 ;;;; Date Started: Feb 2002
12 ;;;; This file, part of UFFI, is Copyright (c) 2002-2003 by Kevin M. Rosenberg
14 ;;;; *************************************************************************
16 (in-package #:uffi-tests)
19 (uffi:def-function ("getenv" c-getenv)
24 (uffi:def-function ("setenv" c-setenv)
31 (uffi:def-function ("unsetenv" c-unsetenv)
36 (defun my-getenv (key)
37 "Returns an environment variable, or NIL if it does not exist"
38 (check-type key string)
39 (uffi:with-cstring (key-native key)
40 (uffi:convert-from-cstring (c-getenv key-native))))
42 (defun my-setenv (key name &optional (overwrite t))
43 "Returns an environment variable, or NIL if it does not exist"
44 (check-type key string)
45 (check-type name string)
46 (setq overwrite (if overwrite 1 0))
47 (uffi:with-cstrings ((key-native key)
49 (c-setenv key-native name-native (if overwrite 1 0))))
51 (defun my-unsetenv (key)
52 "Returns an environment variable, or NIL if it does not exist"
53 (check-type key string)
54 (uffi:with-cstrings ((key-native key))
55 (c-unsetenv key-native)))
57 (deftest getenv.1 (progn
58 (my-unsetenv "__UFFI_FOO1__")
59 (my-getenv "__UFFI_FOO1__"))
61 (deftest getenv.2 (progn
62 (my-setenv "__UFFI_FOO1__" "UFFI-TEST")
63 (my-getenv "__UFFI_FOO1__"))