From: Chris Hanson <org/chris-hanson/cph>
Date: Thu, 20 Apr 1989 01:28:01 +0000 (+0000)
Subject: Don't simplify the directory "./" to the null string.
X-Git-Tag: 20090517-FFI~12160
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=b12ec470fb784fd5cc644abac723cd2b7f286571;p=mit-scheme.git

Don't simplify the directory "./" to the null string.
---

diff --git a/v7/src/runtime/pathnm.scm b/v7/src/runtime/pathnm.scm
index ce051f02f..d67f7264a 100644
--- a/v7/src/runtime/pathnm.scm
+++ b/v7/src/runtime/pathnm.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/pathnm.scm,v 14.3 1989/04/05 04:27:38 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/pathnm.scm,v 14.4 1989/04/20 01:28:01 cph Rel $
 
 Copyright (c) 1988 Massachusetts Institute of Technology
 
@@ -287,14 +287,11 @@ See the files unkpth.scm, vmspth.scm, or unxpth.scm for examples.|#
   (if (or (null? directory)
 	  (not (list? directory)))
       directory
-      (let ((directory (delq 'SELF directory)))
-	(cond ((null? directory)
-	       directory)
-	      ((eq? (car directory) 'ROOT)
-	       (cons 'ROOT
-		     (simplify-tail (simplify-root-tail (cdr directory)))))
-	      (else
-	       (simplify-tail directory))))))
+      (let ((head (car directory))
+	    (tail (delq 'SELF (cdr directory))))
+	(if (eq? head 'ROOT)
+	    (cons 'ROOT (simplify-tail (simplify-root-tail tail)))
+	    (simplify-tail (cons head tail))))))
 
 (define (simplify-root-tail directory)
   (if (and (not (null? directory))