Commit 7606d092d576f0ac50084bffd23f7a444d2e50a1

Thomas de Grivel 2017-06-20T22:55:45

untabify

diff --git a/fd-gray.lisp b/fd-gray.lisp
index 686eca7..5fb833d 100644
--- a/fd-gray.lisp
+++ b/fd-gray.lisp
@@ -29,23 +29,23 @@
        :reader stream-fd
        :type file-descriptor)
    (blocking :initarg :blocking
-	     :accessor stream-blocking%
-	     :type boolean)))
+             :accessor stream-blocking%
+             :type boolean)))
 
 (defgeneric stream-blocking (stream))
 
 (defmethod stream-blocking ((stream stream))
   (or (and (slot-boundp stream 'blocking)
-	   (slot-value stream 'blocking))
+           (slot-value stream 'blocking))
       (setf (slot-value stream 'blocking)
-	    (let ((flags (fcntl:getfl (stream-fd stream))))
-	      (not (= 0 (logand fcntl:+o-nonblock+ flags)))))))
+            (let ((flags (fcntl:getfl (stream-fd stream))))
+              (not (= 0 (logand fcntl:+o-nonblock+ flags)))))))
 
 (defgeneric (setf stream-blocking) (value stream))
 
 (defmethod (setf stream-blocking) (value (stream stream))
   (let* ((fd (stream-fd stream))
-	 (flags (fcntl:getfl fd)))
+         (flags (fcntl:getfl fd)))
     (cond
       ((and value (not (= 0 (logand fcntl:+o-nonblock+ flags))))
        t)
@@ -53,8 +53,8 @@
        nil)
       (t
        (fcntl:setfl fd (if value
-			   (logand (lognot fcntl:+o-nonblock+) flags)
-			   (logior fcntl:+o-nonblock+ flags)))
+                           (logand (lognot fcntl:+o-nonblock+) flags)
+                           (logior fcntl:+o-nonblock+ flags)))
        (setf (slot-value stream 'blocking) value)))))
 
 (define-condition stream-error (cl:stream-error)
@@ -85,17 +85,17 @@ to read from or write to a closed fd gray stream."))
 
 (defclass input-stream (stream fundamental-binary-input-stream)
   ((input-buffer :initform (cffi:foreign-alloc :unsigned-char
-					       :count *buffer-size*)
-		 :accessor input-buffer)
+                                               :count *buffer-size*)
+                 :accessor input-buffer)
    (input-index :initform 0
-		:accessor input-index
-		:type fixnum+)
+                :accessor input-index
+                :type fixnum+)
    (input-length :initform 0
-		 :accessor input-length
-		 :type fixnum+)
+                 :accessor input-length
+                 :type fixnum+)
    (input-max :initform *buffer-size*
-	      :reader input-max
-	      :type fixnum+)))
+              :reader input-max
+              :type fixnum+)))
 
 (define-condition stream-input-error (stream-error)
   ()
@@ -111,58 +111,58 @@ on a fd gray stream."))
   "Fill buffer with file data.
 Tries to read once from input-length to input-max (end of buffer)."
   (let* ((buffer (input-buffer stream))
-	 (length (input-length stream))
-	 (fd (stream-fd stream))
-	 (buf (cffi:mem-aptr buffer :unsigned-char length))
-	 (buflen (- (input-max stream) length))
-	 (r (if (stream-blocking stream)
-		(unistd:read fd buf buflen)
-		(unistd:read-non-blocking fd buf buflen))))
+         (length (input-length stream))
+         (fd (stream-fd stream))
+         (buf (cffi:mem-aptr buffer :unsigned-char length))
+         (buflen (- (input-max stream) length))
+         (r (if (stream-blocking stream)
+                (unistd:read fd buf buflen)
+                (unistd:read-non-blocking fd buf buflen))))
     (cond ((null r)
-	   nil)
-	  ((= r 0)
-	   :eof)
-	  ((< r 0)
-	   (error 'stream-input-error :stream stream))
-	  (t
-	   (incf (input-length stream) r)
-	   r))))
+           nil)
+          ((= r 0)
+           :eof)
+          ((< r 0)
+           (error 'stream-input-error :stream stream))
+          (t
+           (incf (input-length stream) r)
+           r))))
 
 (defmethod stream-read-byte ((stream input-stream))
   (check-if-open stream)
   (let ((buffer (input-buffer stream)))
     (with-accessors ((input-index input-index)) stream
       (when (= input-index (input-length stream))
-	(setf input-index 0
-	      (input-length stream) 0)
-	(case (stream-input stream)
-	  ((:eof) (return-from stream-read-byte :eof))
-	  ((nil) (return-from stream-read-byte nil))))
+        (setf input-index 0
+              (input-length stream) 0)
+        (case (stream-input stream)
+          ((:eof) (return-from stream-read-byte :eof))
+          ((nil) (return-from stream-read-byte nil))))
       (let ((b (cffi:mem-aref buffer :unsigned-char input-index)))
-	(incf input-index)
-	b))))
+        (incf input-index)
+        b))))
 
 (defmethod stream-read-sequence ((stream input-stream)
-				 seq start end &key &allow-other-keys)
+                                 seq start end &key &allow-other-keys)
   (check-if-open stream)
   (let ((buffer (input-buffer stream)))
     (with-accessors ((input-index input-index)) stream
       (loop
-	 (unless (< start end)
-	   (return))
-	 (let ((e (min (- end start)
-		       (- (input-length stream) input-index))))
-	   (dotimes (i e)
-	     (setf (aref seq start)
-		   (cffi:mem-aref buffer :unsigned-char input-index))
-	     (incf start)
-	     (incf input-index))
-	   (when (= input-index (input-length stream))
-	     (setf input-index 0
-		   (input-length buffer) 0)
-	     (case (stream-input stream)
-	       ((:eof) (return-from stream-read-sequence :eof))
-	       ((nil) (return-from stream-read-sequence nil)))))))))
+         (unless (< start end)
+           (return))
+         (let ((e (min (- end start)
+                       (- (input-length stream) input-index))))
+           (dotimes (i e)
+             (setf (aref seq start)
+                   (cffi:mem-aref buffer :unsigned-char input-index))
+             (incf start)
+             (incf input-index))
+           (when (= input-index (input-length stream))
+             (setf input-index 0
+                   (input-length buffer) 0)
+             (case (stream-input stream)
+               ((:eof) (return-from stream-read-sequence :eof))
+               ((nil) (return-from stream-read-sequence nil)))))))))
 
 (defmethod close ((stream input-stream) &key abort)
   (declare (ignore abort))
@@ -177,8 +177,8 @@ Tries to read once from input-length to input-max (end of buffer)."
   (let ((stream (gensym "STREAM-")))
     `(let ((,stream (input-stream ,fd)))
        (unwind-protect (let ((,var ,stream))
-			 ,@body)
-	 (close ,stream)))))
+                         ,@body)
+         (close ,stream)))))
 
 (define-condition stream-output-error (stream-error)
   ()
@@ -190,17 +190,17 @@ on a fd gray stream."))
 
 (defclass output-stream (stream fundamental-binary-output-stream)
   ((output-buffer :initform (cffi:foreign-alloc :unsigned-char
-						:count *buffer-size*)
-		  :accessor output-buffer)
+                                                :count *buffer-size*)
+                  :accessor output-buffer)
    (output-index :initform 0
-		 :accessor output-index
-		 :type fixnum+)
+                 :accessor output-index
+                 :type fixnum+)
    (output-length :initform 0
-		  :accessor output-length
-		  :type fixnum+)
+                  :accessor output-length
+                  :type fixnum+)
    (output-max :initform *buffer-size*
-	       :reader output-max
-	       :type fixnum+)))
+               :reader output-max
+               :type fixnum+)))
 
 (defgeneric stream-output (stream))
 
@@ -210,22 +210,22 @@ Calls write with data ranging from output-index to output-length."
   (let ((buffer (output-buffer stream)))
     (with-accessors ((output-index output-index)) stream
       (let* ((fd (stream-fd stream))
-	     (buf (cffi:mem-aptr buffer :unsigned-char output-index))
-	     (buflen (- (output-length stream) output-index))
-	     (r (if (stream-blocking stream)
-		    (unistd:write fd buf buflen)
-		    (unistd:write-non-blocking fd buf buflen))))
-	(cond ((null r)
-	       (return-from stream-output nil))
-	      ((= 0 r)
-	       (return-from stream-output :eof))
-	      ((< r 0)
-	       (error 'stream-output-error :stream stream))
-	      (t
-	       (incf output-index r)
-	       (when (= output-index (output-length stream))
-		 (setf output-index 0
-		       (output-length stream) 0))))))))
+             (buf (cffi:mem-aptr buffer :unsigned-char output-index))
+             (buflen (- (output-length stream) output-index))
+             (r (if (stream-blocking stream)
+                    (unistd:write fd buf buflen)
+                    (unistd:write-non-blocking fd buf buflen))))
+        (cond ((null r)
+               (return-from stream-output nil))
+              ((= 0 r)
+               (return-from stream-output :eof))
+              ((< r 0)
+               (error 'stream-output-error :stream stream))
+              (t
+               (incf output-index r)
+               (when (= output-index (output-length stream))
+                 (setf output-index 0
+                       (output-length stream) 0))))))))
 
 (defmethod stream-force-output ((stream output-stream))
   (stream-output stream))
@@ -241,28 +241,28 @@ Calls write with data ranging from output-index to output-length."
   (let ((buffer (output-buffer stream)))
     (when (= (output-length stream) (output-max stream))
       (let ((r (stream-output stream)))
-	(cond ((null r)
-	       ))))
+        (cond ((null r)
+               ))))
     (setf (cffi:mem-aref buffer :unsigned-char (input-length stream)) byte)
     (incf (input-length stream)))
   byte)
 
 (defmethod stream-write-sequence ((stream output-stream)
-				  seq start end &key &allow-other-keys)
+                                  seq start end &key &allow-other-keys)
   (check-if-open stream)
   (let ((buffer (output-buffer stream)))
     (loop
        (unless (< start end)
-	 (return))
+         (return))
        (let ((e (min (- end start)
-		     (- (output-max stream) (output-length stream)))))
-	 (dotimes (i e)
-	   (setf (cffi:mem-aref buffer :unsigned-char (output-length stream))
-		 (aref seq start))
-	   (incf (output-length stream))
-	   (incf start))
-	 (when (= (output-length stream) (output-max stream))
-	   (stream-finish-output stream))))))
+                     (- (output-max stream) (output-length stream)))))
+         (dotimes (i e)
+           (setf (cffi:mem-aref buffer :unsigned-char (output-length stream))
+                 (aref seq start))
+           (incf (output-length stream))
+           (incf start))
+         (when (= (output-length stream) (output-max stream))
+           (stream-finish-output stream))))))
 
 (defmethod close ((stream output-stream) &key abort)
   (declare (ignore abort))
@@ -278,8 +278,8 @@ Calls write with data ranging from output-index to output-length."
   (let ((stream (gensym "STREAM-")))
     `(let ((,stream (output-stream ,fd)))
        (unwind-protect (let ((,var ,stream))
-			 ,@body)
-	 (close ,stream)))))
+                         ,@body)
+         (close ,stream)))))
 
 (defclass io-stream (input-stream output-stream)
   ())
@@ -300,5 +300,5 @@ Calls write with data ranging from output-index to output-length."
   (let ((stream (gensym "STREAM-")))
     `(let ((,stream (io-stream ,fd)))
        (unwind-protect (let ((,var ,stream))
-			 ,@body)
-	 (close ,stream)))))
+                         ,@body)
+         (close ,stream)))))