X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fstring.lisp;h=8bead9b5573383120cf35282e09b0d0041052152;hb=f5ffe129c45d75d9f360d02d9b8823907b163347;hp=aebad3a67702370f659f0a54b040607c79196680;hpb=4a3e1529c48e1ea732e3b76c75072364d63f2a26;p=jscl.git

diff --git a/src/string.lisp b/src/string.lisp
index aebad3a..8bead9b 100644
--- a/src/string.lisp
+++ b/src/string.lisp
@@ -19,7 +19,9 @@
         (t (char-to-string x))))
 
 (defun string= (s1 s2)
-  (let ((n (length s1)))
+  (let* ((s1 (string s1))
+         (s2 (string s2))
+         (n (length s1)))
     (when (= (length s2) n)
       (dotimes (i n t)
         (unless (char= (char s1 i) (char s2 i))
@@ -27,13 +29,18 @@
 
 (defun string< (s1 s2)
   (let ((len-1 (length s1))
-		(len-2 (length s2)))
-	(cond ((= len-2 0) nil)
-		  ((= len-1 0) 0)
-		  (t (dotimes (i len-1 nil)
-			   (when (char< (char s1 i) (char s2 i))
-				 (return-from string< i)))))))
-		
+        (len-2 (length s2)))
+    (cond ((= len-2 0) nil)
+          ((= len-1 0) 0)
+          (t (dotimes (i len-1 nil)
+               (when (char< (char s1 i) (char s2 i))
+                 (return-from string< i))
+               (when (and (= i (1- len-1)) (> len-2 len-1))
+                 (return-from string< (1+ i))))))))
+
+(defun stringp (s)
+  (stringp s))
+
 (define-setf-expander char (string index)
   (let ((g!string (gensym))
         (g!index (gensym))