X-Git-Url: http://git.kpe.io/?p=lml.git;a=blobdiff_plain;f=utils.lisp;fp=utils.lisp;h=6ce238437347d831eb09e705fc639bd4570060db;hp=dcd099530255f25c9a00bfa723103499cad1c414;hb=5151ac10e8472126199e05ff8e5ab382ecba3c68;hpb=e0fde65db4134d8a1f369d95aa8a04edf3c728f2

diff --git a/utils.lisp b/utils.lisp
index dcd0995..6ce2384 100644
--- a/utils.lisp
+++ b/utils.lisp
@@ -1,9 +1,8 @@
-;;; $Id: utils.lisp,v 1.7 2003/03/12 17:01:48 kevin Exp $
+;;; $Id: utils.lisp,v 1.8 2003/06/06 21:59:30 kevin Exp $
 ;;;;
 ;;;; General purpose utilities
 
-(in-package :lml)
-
+(in-package #:lml)
 
 (defmacro aif (test then &optional else)
   `(let ((it ,test))
@@ -19,14 +18,19 @@
        (string-equal "keyword" (package-name (symbol-package x)))))
 
 (defun list-to-spaced-string (list)
-  (if (consp list) 
-      (format nil "~A~{ ~A~}" (first list) (rest list))
-      ""))
+  (format nil "~{~A~^ ~}" list))
 
+(defun print-n-chars (char n stream)
+  (declare (fixnum n)
+	   (optimize (speed 3) (safety 0) (space 0)))
+  (do ((i 0 (1+ i)))
+      ((= i n) char)
+    (declare (fixnum i))
+    (write-char char stream)))
+  
 (defun indent-spaces (n &optional (stream *standard-output*))
   "Indent n*2 spaces to output stream"
-  (let ((fmt (format nil "~~~DT" (+ n n))))
-    (format stream fmt)))
+  (print-n-chars #\space (+ n n) stream))
 
 (defun print-file-contents (file &optional (strm *standard-output*))
   "Opens a reads a file. Returns the contents as a single string"
@@ -35,22 +39,19 @@
 		    (do ((line (read-line in nil 'eof) 
 			       (read-line in nil 'eof)))
 			((eql line 'eof))
-		      (format strm "~A~%" line)))))
+		      (write-string line strm)
+		      (write-char #\newline strm)))))
 
 (defun date-string (ut)
-  (if (typep ut 'integer)
-      (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
-	  (decode-universal-time ut)
-	(declare (ignore daylight-p zone))
-	(format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d" 
-		dow
-		day
-		(1- mon)
-		year
-		hr min sec))))
+  (check-type ut integer)
+  (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
+      (decode-universal-time ut)
+    (declare (ignore daylight-p zone))
+    (format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d" 
+	    dow day (1- mon) year hr min sec)))
 
 (defun lml-quit (&optional (code 0))
-  "Function to exit the Lisp implementation. Copied from CLOCC's QUIT function."
+  "Function to exit the Lisp implementation."
     #+allegro (excl:exit code)
     #+clisp (#+lisp=cl ext:quit #-lisp=cl lisp:quit code)
     #+(or cmu scl) (ext:quit code)
@@ -78,4 +79,4 @@
   #+mcl (ccl:mac-default-directory)
   #-(or allegro clisp cmu scl sbcl cormanlisp lispworks lucid mcl) (truename "."))
 
-  
+