X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fos.lisp;h=6d412a756b03467507cddb9518594d4c4b209b37;hb=HEAD;hp=a1b7c87a15cd7edcda39028664839b85d8a3bbb0;hpb=28581147f39fc9f2db34286235e49d5095e4b29b;p=uffi.git

diff --git a/src/os.lisp b/src/os.lisp
index a1b7c87..6d412a7 100644
--- a/src/os.lisp
+++ b/src/os.lisp
@@ -2,67 +2,76 @@
 ;;;; *************************************************************************
 ;;;; FILE IDENTIFICATION
 ;;;;
-;;;; Name:          os.cl
+;;;; Name:          os.lisp
 ;;;; Purpose:       Operating system interface for UFFI
 ;;;; Programmer:    Kevin M. Rosenberg
-;;;; Date Started:  Sep 2002 
+;;;; Date Started:  Sep 2002
 ;;;;
-;;;; $Id: os.lisp,v 1.3 2002/10/21 15:42:07 kevin Exp $
+;;;; This file, part of UFFI, is Copyright (c) 2002-2010 by Kevin M. Rosenberg.
 ;;;;
-;;;; 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.
-;;;;
-;;;; 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)
+
+
+(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))
+  #+(or openmcl digitool) (ccl::getenv var)
+  #+sbcl (sb-ext:posix-getenv var)
+  #-(or allegro clisp cmu gcl lispworks lucid openmcl digitool sbcl)
+  (error 'not-implemented :proc (list 'getenv var)))
 
 
 ;; modified from function ASDF -- Copyright Dan Barlow and Contributors
 
-(defun run-shell-command ((control-string &key (output *trace-output*))
-			  &rest args)
+(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)))
     #+sbcl
     (sb-impl::process-exit-code
-     (sb-ext:run-program  
+     (sb-ext:run-program
       "/bin/sh"
       (list "-c" command)
       :input nil :output output))
-    
+
     #+(or cmu scl)
     (ext:process-exit-code
-     (ext:run-program  
+     (ext:run-program
       "/bin/sh"
       (list "-c" command)
       :input nil :output output))
 
     #+allegro
     (excl:run-shell-command command :input nil :output output)
-    
+
     #+lispworks
     (system:call-system-showing-output
      command
      :shell-type "/bin/sh"
      :output-stream output)
-    
-    #+clisp				;XXX not exactly *trace-output*, I know
+
+    #+clisp                             ;XXX not exactly *trace-output*, I know
     (ext:run-shell-command  command :output :terminal :wait t)
 
     #+openmcl
     (nth-value 1
-	       (ccl:external-process-status
-		(ccl:run-program "/bin/sh" (list "-c" command)
-				 :input nil :output output
-				 :wait t)))
+               (ccl:external-process-status
+                (ccl:run-program "/bin/sh" (list "-c" command)
+                                 :input nil :output output
+                                 :wait t)))
 
     #-(or openmcl clisp lispworks allegro scl cmu sbcl)
-    (error "RUN-SHELL-PROGRAM not implemented for this Lisp")
+    (error "RUN-SHELL-PROGRAM not implemented for this Lisp.")
     ))