r10799: 2005-11-07 Kevin Rosenberg (kevin@rosenberg.net)

[uffi.git] / src / os.lisp

diff --git a/src/os.lisp b/src/os.lisp
index f9cc31f0a31dea5ffe6a3180440500374f519370..075be960a80da83749c49669fdaa04fb3c23758d 100644 (file)
--- a/src/os.lisp
+++ b/src/os.lisp
@@ -2,56 +2,82 @@
 ;;;; *************************************************************************
 ;;;; FILE IDENTIFICATION
 ;;;;
-;;;; Name:          os.cl
+;;;; Name:          os.lisp
 ;;;; Purpose:       Operating system interface for UFFI
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Sep 2002 
 ;;;;
-;;;; $Id: os.lisp,v 1.1 2002/10/14 01:51:15 kevin Exp $
+;;;; $Id$
 ;;;;
-;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg.
-;;;; Much of this code was taken from other open source project and copyright
-;;;; for that code is noted below where appropriate.
+;;;; This file, part of UFFI, is Copyright (c) 2002-2005 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.
 ;;;; *************************************************************************
 
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :uffi)
+(in-package #:uffi)
 
 
-;; Take from ASDF -- Copyright Dan Barlow and Contributors
+(defun getenv (var)
+  "Return the value of the environment variable."
+  #+allegro (sys::getenv (string var))
+  #+clisp (sys::getenv (string var))
+  #+cmu (cdr (assoc (string var) ext:*environment-list* :test #'equalp
+                    :key #'string))
+  #+gcl (si:getenv (string var))
+  #+lispworks (lw:environment-variable (string var))
+  #+lucid (lcl:environment-variable (string var))
+  #+mcl (ccl::getenv var)
+  #+sbcl (sb-ext:posix-getenv var)
+  #-(or allegro clisp cmu gcl lispworks lucid mcl sbcl)
+  (error 'not-implemented :proc (list 'getenv var)))
 
-(defun run-shell-command (control-string &rest args)
+(defun (setf getenv) (val var)
+  "Set an environment variable."
+  #+allegro (setf (sys::getenv (string var)) (string val))
+  #+clisp (setf (sys::getenv (string var)) (string val))
+  #+cmu (let ((cell (assoc (string var) ext:*environment-list* :test #'equalp
+                           :key #'string)))
+          (if cell
+              (setf (cdr cell) (string val))
+              (push (cons (intern (string var) "KEYWORD") (string val)) ext:*environment-list*)))
+  #+gcl (si:setenv (string var) (string val))
+  #+lispworks (setf (lw:environment-variable (string var)) (string val))
+  #+lucid (setf (lcl:environment-variable (string var)) (string val))
+  #-(or allegro clisp cmu gcl lispworks lucid)
+  (error 'not-implemented :proc (list '(setf getenv) var)))
+
+
+;; modified from function ASDF -- Copyright Dan Barlow and Contributors
+
+(defun run-shell-command (control-string  &rest args &key output)
   "Interpolate ARGS into CONTROL-STRING as if by FORMAT, and
 synchronously execute the result using a Bourne-compatible shell, with
 output to *trace-output*.  Returns the shell's exit code."
+  (unless output
+    (setq output *trace-output*))
+
   (let ((command (apply #'format nil control-string args)))
-    (format *trace-output* "; $ ~A~%" command)
     #+sbcl
     (sb-impl::process-exit-code
      (sb-ext:run-program  
       "/bin/sh"
-      (list  "-c" command)
-      :input nil :output *trace-output*))
+      (list "-c" command)
+      :input nil :output output))
     
     #+(or cmu scl)
     (ext:process-exit-code
      (ext:run-program  
       "/bin/sh"
-      (list  "-c" command)
-      :input nil :output *trace-output*))
+      (list "-c" command)
+      :input nil :output output))
 
     #+allegro
-    (excl:run-shell-command command :input nil :output *trace-output*)
+    (excl:run-shell-command command :input nil :output output)
     
     #+lispworks
     (system:call-system-showing-output
      command
      :shell-type "/bin/sh"
-     :output-stream *trace-output*)
+     :output-stream output)
     
     #+clisp                            ;XXX not exactly *trace-output*, I know
     (ext:run-shell-command  command :output :terminal :wait t)
@@ -60,7 +86,7 @@ output to *trace-output*.  Returns the shell's exit code."
     (nth-value 1
               (ccl:external-process-status
                (ccl:run-program "/bin/sh" (list "-c" command)
-                                :input nil :output *trace-output*
+                                :input nil :output output
                                 :wait t)))
 
     #-(or openmcl clisp lispworks allegro scl cmu sbcl)