(bytes (- end start))
(newtail (+ tail bytes)))
(cond ((minusp bytes) ; error case
- (cerror "Just go on as if nothing happened."
- "~S called with :END before :START!"
- 'output-raw-bytes))
- ((zerop bytes)) ; Easy case
+ (error ":END before :START!"))
+ ((zerop bytes)) ; easy case
((<= bytes space)
(if (system-area-pointer-p thing)
(system-area-copy thing
;;; Fill in the various routine slots for the given type. INPUT-P and
;;; OUTPUT-P indicate what slots to fill. The buffering slot must be
;;; set prior to calling this routine.
-(defun set-routines (stream type input-p output-p buffer-p)
+(defun set-fd-stream-routines (fd-stream type input-p output-p buffer-p)
(let ((target-type (case type
((:default unsigned-byte)
'(unsigned-byte 8))
(input-size nil)
(output-size nil))
- (when (fd-stream-obuf-sap stream)
- (push (fd-stream-obuf-sap stream) *available-buffers*)
- (setf (fd-stream-obuf-sap stream) nil))
- (when (fd-stream-ibuf-sap stream)
- (push (fd-stream-ibuf-sap stream) *available-buffers*)
- (setf (fd-stream-ibuf-sap stream) nil))
+ (when (fd-stream-obuf-sap fd-stream)
+ (push (fd-stream-obuf-sap fd-stream) *available-buffers*)
+ (setf (fd-stream-obuf-sap fd-stream) nil))
+ (when (fd-stream-ibuf-sap fd-stream)
+ (push (fd-stream-ibuf-sap fd-stream) *available-buffers*)
+ (setf (fd-stream-ibuf-sap fd-stream) nil))
(when input-p
(multiple-value-bind (routine type size)
(pick-input-routine target-type)
(unless routine
(error "could not find any input routine for ~S" target-type))
- (setf (fd-stream-ibuf-sap stream) (next-available-buffer))
- (setf (fd-stream-ibuf-length stream) bytes-per-buffer)
- (setf (fd-stream-ibuf-tail stream) 0)
+ (setf (fd-stream-ibuf-sap fd-stream) (next-available-buffer))
+ (setf (fd-stream-ibuf-length fd-stream) bytes-per-buffer)
+ (setf (fd-stream-ibuf-tail fd-stream) 0)
(if (subtypep type 'character)
- (setf (fd-stream-in stream) routine
- (fd-stream-bin stream) #'ill-bin)
- (setf (fd-stream-in stream) #'ill-in
- (fd-stream-bin stream) routine))
+ (setf (fd-stream-in fd-stream) routine
+ (fd-stream-bin fd-stream) #'ill-bin)
+ (setf (fd-stream-in fd-stream) #'ill-in
+ (fd-stream-bin fd-stream) routine))
(when (eql size 1)
- (setf (fd-stream-n-bin stream) #'fd-stream-read-n-bytes)
+ (setf (fd-stream-n-bin fd-stream) #'fd-stream-read-n-bytes)
(when buffer-p
- (setf (lisp-stream-in-buffer stream)
+ (setf (lisp-stream-in-buffer fd-stream)
(make-array +in-buffer-length+
:element-type '(unsigned-byte 8)))))
(setf input-size size)
(when output-p
(multiple-value-bind (routine type size)
- (pick-output-routine target-type (fd-stream-buffering stream))
+ (pick-output-routine target-type (fd-stream-buffering fd-stream))
(unless routine
(error "could not find any output routine for ~S buffered ~S"
- (fd-stream-buffering stream)
+ (fd-stream-buffering fd-stream)
target-type))
- (setf (fd-stream-obuf-sap stream) (next-available-buffer))
- (setf (fd-stream-obuf-length stream) bytes-per-buffer)
- (setf (fd-stream-obuf-tail stream) 0)
+ (setf (fd-stream-obuf-sap fd-stream) (next-available-buffer))
+ (setf (fd-stream-obuf-length fd-stream) bytes-per-buffer)
+ (setf (fd-stream-obuf-tail fd-stream) 0)
(if (subtypep type 'character)
- (setf (fd-stream-out stream) routine
- (fd-stream-bout stream) #'ill-bout)
- (setf (fd-stream-out stream)
+ (setf (fd-stream-out fd-stream) routine
+ (fd-stream-bout fd-stream) #'ill-bout)
+ (setf (fd-stream-out fd-stream)
(or (if (eql size 1)
(pick-output-routine 'base-char
- (fd-stream-buffering stream)))
+ (fd-stream-buffering fd-stream)))
#'ill-out)
- (fd-stream-bout stream) routine))
- (setf (fd-stream-sout stream)
+ (fd-stream-bout fd-stream) routine))
+ (setf (fd-stream-sout fd-stream)
(if (eql size 1) #'fd-sout #'ill-out))
- (setf (fd-stream-char-pos stream) 0)
+ (setf (fd-stream-char-pos fd-stream) 0)
(setf output-size size)
(setf output-type type)))
(error "Element sizes for input (~S:~S) and output (~S:~S) differ?"
input-type input-size
output-type output-size))
- (setf (fd-stream-element-size stream)
+ (setf (fd-stream-element-size fd-stream)
(or input-size output-size))
- (setf (fd-stream-element-type stream)
+ (setf (fd-stream-element-type fd-stream)
(cond ((equal input-type output-type)
input-type)
((null output-type)
input-type
output-type))))))
-;;; Handle miscellaneous operations on fd-stream.
-(defun fd-stream-misc-routine (stream operation &optional arg1 arg2)
+;;; Handle miscellaneous operations on FD-STREAM.
+(defun fd-stream-misc-routine (fd-stream operation &optional arg1 arg2)
(declare (ignore arg2))
- ;; FIXME: Declare TYPE FD-STREAM STREAM?
(case operation
(:listen
- (or (not (eql (fd-stream-ibuf-head stream)
- (fd-stream-ibuf-tail stream)))
- (fd-stream-listen stream)
- (setf (fd-stream-listen stream)
+ (or (not (eql (fd-stream-ibuf-head fd-stream)
+ (fd-stream-ibuf-tail fd-stream)))
+ (fd-stream-listen fd-stream)
+ (setf (fd-stream-listen fd-stream)
(eql (sb!alien:with-alien ((read-fds (sb!alien:struct
sb!unix:fd-set)))
(sb!unix:fd-zero read-fds)
- (sb!unix:fd-set (fd-stream-fd stream) read-fds)
- (sb!unix:unix-fast-select (1+ (fd-stream-fd stream))
+ (sb!unix:fd-set (fd-stream-fd fd-stream) read-fds)
+ (sb!unix:unix-fast-select (1+ (fd-stream-fd fd-stream))
(sb!alien:addr read-fds)
nil nil 0 0))
1))))
(:unread
- (setf (fd-stream-unread stream) arg1)
- (setf (fd-stream-listen stream) t))
+ (setf (fd-stream-unread fd-stream) arg1)
+ (setf (fd-stream-listen fd-stream) t))
(:close
(cond (arg1
;; We got us an abort on our hands.
- (when (fd-stream-handler stream)
- (sb!sys:remove-fd-handler (fd-stream-handler stream))
- (setf (fd-stream-handler stream) nil))
- (when (and (fd-stream-file stream)
- (fd-stream-obuf-sap stream))
+ (when (fd-stream-handler fd-stream)
+ (sb!sys:remove-fd-handler (fd-stream-handler fd-stream))
+ (setf (fd-stream-handler fd-stream) nil))
+ (when (and (fd-stream-file fd-stream)
+ (fd-stream-obuf-sap fd-stream))
;; We can't do anything unless we know what file were
;; dealing with, and we don't want to do anything
;; strange unless we were writing to the file.
- (if (fd-stream-original stream)
+ (if (fd-stream-original fd-stream)
;; We have a handle on the original, just revert.
(multiple-value-bind (okay err)
- (sb!unix:unix-rename (fd-stream-original stream)
- (fd-stream-file stream))
+ (sb!unix:unix-rename (fd-stream-original fd-stream)
+ (fd-stream-file fd-stream))
(unless okay
- (cerror "Go on as if nothing bad happened."
- "could not restore ~S to its original contents: ~A"
- (fd-stream-file stream)
- (sb!unix:get-unix-error-msg err))))
+ (error "~@<could not restore ~S to its original ~
+ contents: ~2I~_~A~:>"
+ (fd-stream-file fd-stream)
+ (sb!unix:get-unix-error-msg err))))
;; We can't restore the original, so nuke that puppy.
(multiple-value-bind (okay err)
- (sb!unix:unix-unlink (fd-stream-file stream))
+ (sb!unix:unix-unlink (fd-stream-file fd-stream))
(unless okay
- (cerror "Go on as if nothing bad happened."
- "Could not remove ~S: ~A"
- (fd-stream-file stream)
- (sb!unix:get-unix-error-msg err)))))))
+ (error "~@<could not remove ~S: ~2I~_~A~:>"
+ (fd-stream-file fd-stream)
+ (sb!unix:get-unix-error-msg err)))))))
(t
- (fd-stream-misc-routine stream :finish-output)
- (when (and (fd-stream-original stream)
- (fd-stream-delete-original stream))
+ (fd-stream-misc-routine fd-stream :finish-output)
+ (when (and (fd-stream-original fd-stream)
+ (fd-stream-delete-original fd-stream))
(multiple-value-bind (okay err)
- (sb!unix:unix-unlink (fd-stream-original stream))
+ (sb!unix:unix-unlink (fd-stream-original fd-stream))
(unless okay
- (cerror "Go on as if nothing bad happened."
- "could not delete ~S during close of ~S: ~A"
- (fd-stream-original stream)
- stream
- (sb!unix:get-unix-error-msg err)))))))
+ (error "~@<could not delete ~S during close ~
+ of ~S: ~2I~_~A~:>"
+ (fd-stream-original fd-stream)
+ fd-stream
+ (sb!unix:get-unix-error-msg err)))))))
(when (fboundp 'cancel-finalization)
- (cancel-finalization stream))
- (sb!unix:unix-close (fd-stream-fd stream))
- (when (fd-stream-obuf-sap stream)
- (push (fd-stream-obuf-sap stream) *available-buffers*)
- (setf (fd-stream-obuf-sap stream) nil))
- (when (fd-stream-ibuf-sap stream)
- (push (fd-stream-ibuf-sap stream) *available-buffers*)
- (setf (fd-stream-ibuf-sap stream) nil))
- (sb!impl::set-closed-flame stream))
+ (cancel-finalization fd-stream))
+ (sb!unix:unix-close (fd-stream-fd fd-stream))
+ (when (fd-stream-obuf-sap fd-stream)
+ (push (fd-stream-obuf-sap fd-stream) *available-buffers*)
+ (setf (fd-stream-obuf-sap fd-stream) nil))
+ (when (fd-stream-ibuf-sap fd-stream)
+ (push (fd-stream-ibuf-sap fd-stream) *available-buffers*)
+ (setf (fd-stream-ibuf-sap fd-stream) nil))
+ (sb!impl::set-closed-flame fd-stream))
(:clear-input
- (setf (fd-stream-unread stream) nil)
- (setf (fd-stream-ibuf-head stream) 0)
- (setf (fd-stream-ibuf-tail stream) 0)
+ (setf (fd-stream-unread fd-stream) nil)
+ (setf (fd-stream-ibuf-head fd-stream) 0)
+ (setf (fd-stream-ibuf-tail fd-stream) 0)
(catch 'eof-input-catcher
(loop
(let ((count (sb!alien:with-alien ((read-fds (sb!alien:struct
sb!unix:fd-set)))
(sb!unix:fd-zero read-fds)
- (sb!unix:fd-set (fd-stream-fd stream) read-fds)
- (sb!unix:unix-fast-select (1+ (fd-stream-fd stream))
- (sb!alien:addr read-fds)
- nil
- nil
- 0
- 0))))
+ (sb!unix:fd-set (fd-stream-fd fd-stream) read-fds)
+ (sb!unix:unix-fast-select (1+ (fd-stream-fd fd-stream))
+ (sb!alien:addr read-fds)
+ nil
+ nil
+ 0
+ 0))))
(cond ((eql count 1)
- (do-input stream)
- (setf (fd-stream-ibuf-head stream) 0)
- (setf (fd-stream-ibuf-tail stream) 0))
+ (do-input fd-stream)
+ (setf (fd-stream-ibuf-head fd-stream) 0)
+ (setf (fd-stream-ibuf-tail fd-stream) 0))
(t
(return t)))))))
(:force-output
- (flush-output-buffer stream))
+ (flush-output-buffer fd-stream))
(:finish-output
- (flush-output-buffer stream)
+ (flush-output-buffer fd-stream)
(do ()
- ((null (fd-stream-output-later stream)))
+ ((null (fd-stream-output-later fd-stream)))
(sb!sys:serve-all-events)))
(:element-type
- (fd-stream-element-type stream))
+ (fd-stream-element-type fd-stream))
(:interactive-p
;; FIXME: sb!unix:unix-isatty is undefined.
- (sb!unix:unix-isatty (fd-stream-fd stream)))
+ (sb!unix:unix-isatty (fd-stream-fd fd-stream)))
(:line-length
80)
(:charpos
- (fd-stream-char-pos stream))
+ (fd-stream-char-pos fd-stream))
(:file-length
(multiple-value-bind (okay dev ino mode nlink uid gid rdev size
atime mtime ctime blksize blocks)
- (sb!unix:unix-fstat (fd-stream-fd stream))
+ (sb!unix:unix-fstat (fd-stream-fd fd-stream))
(declare (ignore ino nlink uid gid rdev
atime mtime ctime blksize blocks))
(unless okay
- (error "error fstat'ing ~S: ~A"
- stream
+ (error "error in Unix fstat(2) on ~S: ~A"
+ fd-stream
(sb!unix:get-unix-error-msg dev)))
(if (zerop mode)
nil
- (truncate size (fd-stream-element-size stream)))))
+ (truncate size (fd-stream-element-size fd-stream)))))
(:file-position
- (fd-stream-file-position stream arg1))))
+ (fd-stream-file-position fd-stream arg1))))
(defun fd-stream-file-position (stream &optional newpos)
(declare (type fd-stream stream)
\f
;;;; creation routines (MAKE-FD-STREAM and OPEN)
-;;; Returns a FD-STREAM on the given file.
+;;; Create a stream for the given Unix file descriptor.
+;;;
+;;; If INPUT is non-NIL, allow input operations. If OUTPUT is non-nil,
+;;; allow output operations. If neither INPUT nor OUTPUT is specified,
+;;; default to allowing input.
+;;;
+;;; ELEMENT-TYPE indicates the element type to use (as for OPEN).
+;;;
+;;; BUFFERING indicates the kind of buffering to use.
+;;;
+;;; TIMEOUT (if true) is the number of seconds to wait for input. If
+;;; NIL (the default), then wait forever. When we time out, we signal
+;;; IO-TIMEOUT.
+;;;
+;;; FILE is the name of the file (will be returned by PATHNAME).
+;;;
+;;; NAME is used to identify the stream when printed.
(defun make-fd-stream (fd
&key
(input nil input-p)
auto-close)
(declare (type index fd) (type (or index null) timeout)
(type (member :none :line :full) buffering))
- #!+sb-doc
- "Create a stream for the given unix file descriptor.
- If input is non-nil, allow input operations.
- If output is non-nil, allow output operations.
- If neither input nor output are specified, default to allowing input.
- Element-type indicates the element type to use (as for open).
- Buffering indicates the kind of buffering to use.
- Timeout (if true) is the number of seconds to wait for input. If NIL (the
- default), then wait forever. When we time out, we signal IO-TIMEOUT.
- File is the name of the file (will be returned by PATHNAME).
- Name is used to identify the stream when printed."
(cond ((not (or input-p output-p))
(setf input t))
((not (or input output))
:pathname pathname
:buffering buffering
:timeout timeout)))
- (set-routines stream element-type input output input-buffer-p)
+ (set-fd-stream-routines stream element-type input output input-buffer-p)
(when (and auto-close (fboundp 'finalize))
(finalize stream
(lambda ()
fd))))
stream))
-;;; Pick a name to use for the backup file.
-(defvar *backup-extension* ".BAK"
- #!+sb-doc
- "This is a string that OPEN tacks on the end of a file namestring to produce
- a name for the :if-exists :rename-and-delete and :rename options. Also,
- this can be a function that takes a namestring and returns a complete
- namestring.")
+;;; Pick a name to use for the backup file for the :IF-EXISTS
+;;; :RENAME-AND-DELETE and :RENAME options.
(defun pick-backup-name (name)
(declare (type simple-string name))
- (let ((ext *backup-extension*))
- (etypecase ext
- (simple-string (concatenate 'simple-string name ext))
- (function (funcall ext name)))))
-
-;;; Ensure that the given arg is one of the given list of valid things.
-;;; Allow the user to fix any problems.
-;;; FIXME: Why let the user fix any problems?
+ (concatenate 'simple-string name ".bak"))
+
+;;; Ensure that the given arg is one of the given list of valid
+;;; things. Allow the user to fix any problems.
(defun ensure-one-of (item list what)
(unless (member item list)
- (loop
- (cerror "Enter new value for ~*~S"
- "~S is invalid for ~S. Must be one of~{ ~S~}"
- item
- what
- list)
- (format (the stream *query-io*) "Enter new value for ~S: " what)
- (force-output *query-io*)
- (setf item (read *query-io*))
- (when (member item list)
- (return))))
- item)
+ (error 'simple-type-error
+ :datum item
+ :expected-type `(member ,@list)
+ :format-control "~@<~S is ~_invalid for ~S; ~_need one of~{ ~S~}~:>"
+ :format-arguments (list item what list))))
;;; Rename NAMESTRING to ORIGINAL. First, check whether we have write
;;; access, since we don't want to trash unwritable files even if we
;;; technically can. We return true if we succeed in renaming.
(defun do-old-rename (namestring original)
(unless (sb!unix:unix-access namestring sb!unix:w_ok)
- (cerror "Try to rename it anyway."
- "File ~S is not writable."
- namestring))
+ (error "~@<The file ~2I~_~S ~I~_is not writable.~:>" namestring))
(multiple-value-bind (okay err) (sb!unix:unix-rename namestring original)
(cond (okay t)
(t
- (cerror "Use :SUPERSEDE instead."
- "Could not rename ~S to ~S: ~A."
- namestring
- original
- (sb!unix:get-unix-error-msg err))
+ (error "~@<could not rename ~2I~_~S ~I~_to ~2I~_~S: ~4I~_~A~:>"
+ namestring
+ original
+ (sb!unix:get-unix-error-msg err))
nil))))
(defun open (filename
(if-does-not-exist if-does-not-exist)
(if-exists if-exists))
#!+sb-doc
- "Return a stream which reads from or writes to Filename.
+ "Return a stream which reads from or writes to FILENAME.
Defined keywords:
- :direction - one of :input, :output, :io, or :probe
- :element-type - Type of object to read or write, default BASE-CHAR
- :if-exists - one of :error, :new-version, :rename, :rename-and-delete,
- :overwrite, :append, :supersede or nil
- :if-does-not-exist - one of :error, :create or nil
+ :DIRECTION - one of :INPUT, :OUTPUT, :IO, or :PROBE
+ :ELEMENT-TYPE - the type of object to read or write, default BASE-CHAR
+ :IF-EXISTS - one of :ERROR, :NEW-VERSION, :RENAME, :RENAME-AND-DELETE,
+ :OVERWRITE, :APPEND, :SUPERSEDE or NIL
+ :IF-DOES-NOT-EXIST - one of :ERROR, :CREATE or nil
See the manual for details."
(unless (eq external-format :default)
- (error 'simple-error
- :format-control
- "Any external format other than :DEFAULT isn't recognized."))
-
- ;; First, make sure that DIRECTION is valid. Allow it to be changed
- ;; if not.
- ;;
- ;; FIXME: Why allow it to be changed if not?
- (setf direction
- (ensure-one-of direction
- '(:input :output :io :probe)
- :direction))
+ (error "Any external format other than :DEFAULT isn't recognized."))
+
+ ;; First, make sure that DIRECTION is valid.
+ (ensure-one-of direction
+ '(:input :output :io :probe)
+ :direction)
;; Calculate useful stuff.
(multiple-value-bind (input output mask)
(if (eq (pathname-version pathname) :newest)
:new-version
:error)))
- (setf if-exists ; FIXME: should just die, not allow resetting
- (ensure-one-of if-exists
- '(:error :new-version :rename
- :rename-and-delete :overwrite
- :append :supersede nil)
- :if-exists))
+ (ensure-one-of if-exists
+ '(:error :new-version :rename
+ :rename-and-delete :overwrite
+ :append :supersede nil)
+ :if-exists)
(case if-exists
((:error nil)
(setf mask (logior mask sb!unix:o_excl)))
nil)
(t
:create))))
- (setf if-does-not-exist ; FIXME: should just die, not allow resetting
- (ensure-one-of if-does-not-exist
- '(:error :create nil)
- :if-does-not-exist))
+ (ensure-one-of if-does-not-exist
+ '(:error :create nil)
+ :if-does-not-exist)
(if (eq if-does-not-exist :create)
(setf mask (logior mask sb!unix:o_creat)))
sb!unix:o_trunc)))
(setf if-exists :supersede))))
- ;; Okay, now we can try the actual open.
- (loop
- (multiple-value-bind (fd errno)
- (if namestring
- (sb!unix:unix-open namestring mask mode)
- (values nil sb!unix:enoent))
+ ;; Now we can try the actual Unix open(2).
+ (multiple-value-bind (fd errno)
+ (if namestring
+ (sb!unix:unix-open namestring mask mode)
+ (values nil sb!unix:enoent))
+ (labels ((open-error (format-control &rest format-arguments)
+ (error 'simple-file-error
+ :pathname pathname
+ :format-control format-control
+ :format-arguments format-arguments))
+ (vanilla-open-error ()
+ (open-error "~@<error opening ~S: ~2I~_~A~:>"
+ pathname
+ (sb!unix:get-unix-error-msg errno))))
(cond ((numberp fd)
- (return
- (case direction
- ((:input :output :io)
- (make-fd-stream fd
- :input input
- :output output
- :element-type element-type
- :file namestring
- :original original
- :delete-original delete-original
- :pathname pathname
- :input-buffer-p t
- :auto-close t))
- (:probe
- (let ((stream
- (%make-fd-stream :name namestring :fd fd
- :pathname pathname
- :element-type element-type)))
- (close stream)
- stream)))))
+ (case direction
+ ((:input :output :io)
+ (make-fd-stream fd
+ :input input
+ :output output
+ :element-type element-type
+ :file namestring
+ :original original
+ :delete-original delete-original
+ :pathname pathname
+ :input-buffer-p t
+ :auto-close t))
+ (:probe
+ (let ((stream
+ (%make-fd-stream :name namestring
+ :fd fd
+ :pathname pathname
+ :element-type element-type)))
+ (close stream)
+ stream))))
((eql errno sb!unix:enoent)
(case if-does-not-exist
- (:error
- (cerror "Return NIL."
- 'simple-file-error
- :pathname pathname
- :format-control "error opening ~S: ~A"
- :format-arguments
- (list pathname
- (sb!unix:get-unix-error-msg errno))))
+ (:error (vanilla-open-error))
(:create
- (cerror "Return NIL."
- 'simple-error
- :format-control
- "error creating ~S: Path does not exist."
- :format-arguments
- (list pathname))))
- (return nil))
- ((eql errno sb!unix:eexist)
- (unless (eq nil if-exists)
- (cerror "Return NIL."
- 'simple-file-error
- :pathname pathname
- :format-control "error opening ~S: ~A"
- :format-arguments
- (list pathname
- (sb!unix:get-unix-error-msg errno))))
- (return nil))
- ((eql errno sb!unix:eacces)
- (cerror "Try again."
- "error opening ~S: ~A"
- pathname
- (sb!unix:get-unix-error-msg errno)))
+ (open-error
+ "~@<The path ~2I~_~S ~I~_does not exist.~:>"
+ pathname))
+ (t nil)))
+ ((and (eql errno sb!unix:eexist) if-exists)
+ nil)
(t
- (cerror "Return NIL."
- "error opening ~S: ~A"
- pathname
- (sb!unix:get-unix-error-msg errno))
- (return nil)))))))))
+ (vanilla-open-error)))))))))
\f
;;;; initialization
-(defvar *tty* nil
- #!+sb-doc
- "The stream connected to the controlling terminal or NIL if there is none.")
-(defvar *stdin* nil
- #!+sb-doc
- "The stream connected to the standard input (file descriptor 0).")
-(defvar *stdout* nil
- #!+sb-doc
- "The stream connected to the standard output (file descriptor 1).")
-(defvar *stderr* nil
- #!+sb-doc
- "The stream connected to the standard error output (file descriptor 2).")
+;;; the stream connected to the controlling terminal, or NIL if there is none
+(defvar *tty*)
+
+;;; the stream connected to the standard input (file descriptor 0)
+(defvar *stdin*)
+
+;;; the stream connected to the standard output (file descriptor 1)
+(defvar *stdout*)
+
+;;; the stream connected to the standard error output (file descriptor 2)
+(defvar *stderr*)
;;; This is called when the cold load is first started up, and may also
;;; be called in an attempt to recover from nested errors.
(setf *standard-output* (make-synonym-stream '*stdout*))
(setf *standard-input*
(#!-high-security
- ;; FIXME: Why is *STANDARD-INPUT* a TWO-WAY-STREAM? ANSI says it's
- ;; an input stream.
+ ;; FIXME: Why is *STANDARD-INPUT* a TWO-WAY-STREAM? ANSI says
+ ;; it's an input stream.
make-two-way-stream
#!+high-security
%make-two-way-stream (make-synonym-stream '*stdin*)
(setf *query-io* (make-synonym-stream '*terminal-io*))
(setf *debug-io* *query-io*)
(setf *trace-output* *standard-output*)
- nil)
+ (values))
;;; This is called whenever a saved core is restarted.
(defun stream-reinit ()
:buffering :line
:auto-close t))
(setf *tty* (make-two-way-stream *stdin* *stdout*))))
- nil)
+ (values))
\f
-;;;; beeping
+;;;; miscellany
-(defun default-beep-function (stream)
+;;; the Unix way to beep
+(defun beep (stream)
(write-char (code-char bell-char-code) stream)
(finish-output stream))
-(defvar *beep-function* #'default-beep-function
- #!+sb-doc
- "This is called in BEEP to feep the user. It takes a stream.")
-
-(defun beep (&optional (stream *terminal-io*))
- (funcall *beep-function* stream))
-\f
;;; This is kind of like FILE-POSITION, but is an internal hack used
;;; by the filesys stuff to get and set the file name.
(defun file-name (stream &optional new-name)
(declare (type (or string character) object) (type file-stream stream))
#!+sb-doc
"Return the delta in STREAM's FILE-POSITION that would be caused by writing
- Object to Stream. Non-trivial only in implementations that support
+ OBJECT to STREAM. Non-trivial only in implementations that support
international character sets."
(declare (ignore stream))
(etypecase object
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