X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=strings.lisp;h=8af34976b6bd83e10863a8bf0a7eddfbce7540ec;hp=e12d9d9aeee29c2db549e0bad4410ae9ac67ff44;hb=9a080059e2396d4145fdfacf9a3c61cb745b9484;hpb=2359ec8676836fb4a99ea8c9450fadd35a3d248f

diff --git a/strings.lisp b/strings.lisp
index e12d9d9..8af3497 100644
--- a/strings.lisp
+++ b/strings.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: strings.lisp,v 1.23 2003/05/08 19:19:08 kevin Exp $
+;;;; $Id: strings.lisp,v 1.24 2003/05/08 23:35:18 kevin Exp $
 ;;;;
 ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -55,6 +55,15 @@ my algorithm. Does allegro use assembly?"
 	(setq string (subseq string 0 (1- len))))))
   (excl:delimited-string-to-list string separator))
 
+;; From Larry Hunter with modifications
+(defun position-char (char string start max)
+  (declare (optimize (speed 3) (safety 0))
+	   (fixnum start max) (simple-string string))
+  (do* ((i start (1+ i)))
+       ((= i max) nil)
+    (declare (fixnum i))
+    (when (char= char (schar string i)) (return i))))
+
 (defun #-allegro  delimited-string-to-list
        #+allegro my-delimited-string-to-list
        (string &optional (separator #\space) skip-terminal)
@@ -65,8 +74,8 @@ my algorithm. Does allegro use assembly?"
   (do* ((len (length string))
 	(output '())
 	(pos 0)
-	(end (position separator string :start pos :end len)
-	     (position separator string :start pos :end len)))
+	(end (position-char separator string pos len)
+	     (position-char separator string pos len)))
        ((null end)
 	(if (< pos len)
 	    (push (subseq string pos) output)