X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fpcl%2Fgray-streams.lisp;h=38eb79ea664821b26d8da5bd6c6d3f7669f80833;hb=d7cbe5c40e93796d326937f3fb962fa4d7b1fa85;hp=28ed0f172c3da9f7089ae5884048598c1ae71f36;hpb=8ef3aa533aba5ac5760e83b798cd6b2388a807a6;p=sbcl.git

diff --git a/src/pcl/gray-streams.lisp b/src/pcl/gray-streams.lisp
index 28ed0f1..38eb79e 100644
--- a/src/pcl/gray-streams.lisp
+++ b/src/pcl/gray-streams.lisp
@@ -88,7 +88,13 @@
   (setf (stream-open-p stream) nil)
   t)
 
-(setf (fdefinition 'close) #'pcl-close)
+(progn
+  ;; KLUDGE: Get in a call to PCL-CLOSE with a string-output-stream before
+  ;; setting it as CLOSE. Otherwise using NAMED-LAMBDAs as DFUNs causes a
+  ;; vicious metacircle from FORMAT NIL somewhere in the compiler. This is
+  ;; enough to get the dispatch settled down before we need it.
+  (pcl-close (make-string-output-stream))
+  (setf (fdefinition 'close) #'pcl-close))
 
 (let ()
   (fmakunbound 'input-stream-p)
@@ -255,6 +261,7 @@
   (error 'type-error :datum non-stream :expected-type 'stream))
 
 (defgeneric stream-read-sequence (stream seq &optional start end)
+  #+sb-doc
   (:documentation
    "This is like CL:READ-SEQUENCE, but for Gray streams."))
 
@@ -465,6 +472,7 @@
       T)))
 
 (defgeneric stream-write-sequence (stream seq &optional start end)
+  #+sb-doc
   (:documentation
    "This is like CL:WRITE-SEQUENCE, but for Gray streams."))
 
@@ -542,6 +550,18 @@
   (basic-io-type-stream-write-sequence stream seq start end
                                        #'stream-write-byte))
 
+(defgeneric stream-file-position (stream &optional position-spec)
+  #+sb-doc
+  (:documentation
+   "Used by FILE-POSITION. Returns or changes the current position within STREAM."))
+
+(defmethod stream-file-position ((stream ansi-stream) &optional position-spec)
+  (ansi-stream-file-position stream position-spec))
+
+(defmethod stream-file-position ((stream t) &optional position-spec)
+  (declare (ignore stream position-spec))
+  nil)
+
 
 ;;; This is not in the Gray stream proposal, so it is left here
 ;;; as example code.