;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: getenv.lisp,v 1.1 2002/09/30 10:02:36 kevin Exp $
+;;;; $Id: getenv.lisp,v 1.2 2003/04/29 14:08:02 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
-(in-package :cl-user)
+(in-package :uffi-tests)
(uffi:def-function ("getenv" c-getenv)
((name :cstring))
:returning :cstring)
+(uffi:def-function ("setenv" c-setenv)
+ ((name :cstring)
+ (value :cstring)
+ (overwrite :int))
+ :returning :int)
+
+(uffi:def-function ("unsetenv" c-unsetenv)
+ ((name :cstring))
+ :returning :void)
+
(defun my-getenv (key)
"Returns an environment variable, or NIL if it does not exist"
(check-type key string)
(uffi:with-cstring (key-native key)
(uffi:convert-from-cstring (c-getenv key-native))))
-
-#+examples-uffi
-(progn
- (flet ((print-results (str)
- (format t "~&(getenv ~S) => ~S" str (my-getenv str))))
- (print-results "USER")
- (print-results "_FOO_")))
-
-
-#+test-uffi
-(progn
- (util.test:test (my-getenv "_FOO_") nil :fail-info "Error retrieving non-existent getenv")
- (util.test:test (and (stringp (my-getenv "USER"))
- (< 0 (length (my-getenv "USER"))))
- t :fail-info "Error retrieving getenv")
-)
+
+(defun my-setenv (key name &optional (overwrite t))
+ "Returns an environment variable, or NIL if it does not exist"
+ (check-type key string)
+ (check-type name string)
+ (setq overwrite (if overwrite 1 0))
+ (uffi:with-cstrings ((key-native key)
+ (name-native name))
+ (c-setenv key-native name-native (if overwrite 1 0))))
+
+(defun my-unsetenv (key)
+ "Returns an environment variable, or NIL if it does not exist"
+ (check-type key string)
+ (uffi:with-cstrings ((key-native key))
+ (c-unsetenv key-native)))
+
+(deftest getenv.1 (my-getenv "__UFFI_FOO1__") nil)
+(deftest setenv.1 (my-setenv "__UFFI_FOO1__" "UFFI-TEST") 0)
+(deftest getenv.2 (my-getenv "__UFFI_FOO1__") "UFFI-TEST")
+(deftest setenv.2 (my-unsetenv "__UFFI_FOO1__") nil)
+(deftest getenv.3 (my-getenv "__UFFI_FOO1__") nil)
+
+