(simple-file-perror note-format pathname errno)
(return-from query-file-system nil))))
(let ((filename (native-namestring pathname :as-file t)))
+ #!+win32
+ (case query-for
+ ((:existence :truename)
+ (multiple-value-bind (file kind)
+ (sb!win32::native-probe-file-name filename)
+ (when (and (not file) kind)
+ (setf file filename))
+ ;; The following OR was an AND, but that breaks files like NUL,
+ ;; for which GetLongPathName succeeds yet GetFileAttributesEx
+ ;; fails to return the file kind. --DFL
+ (if (or file kind)
+ (values
+ (parse-native-namestring
+ file
+ (pathname-host pathname)
+ (sane-default-pathname-defaults)
+ :as-directory (eq :directory kind)))
+ (fail "couldn't resolve ~A" filename
+ (- (sb!win32:get-last-error))))))
+ (:write-date
+ (or (sb!win32::native-file-write-date filename)
+ (fail "couldn't query write date of ~A" filename
+ (- (sb!win32:get-last-error))))))
+ #!-win32
(multiple-value-bind (existsp errno ino mode nlink uid gid rdev size
atime mtime)
(sb!unix:unix-stat filename)
- (declare (ignore ino nlink gid rdev size atime
- #!+win32 uid))
- #!+win32
- ;; On win32, stat regards UNC pathnames and device names as
- ;; nonexisting, so we check once more with the native API.
- (unless existsp
- (setf existsp
- (let ((handle (sb!win32:create-file
- filename 0 0 nil
- sb!win32:file-open-existing
- 0 0)))
- (when (/= -1 handle)
- (setf mode
- (or mode
- (if (logbitp 4
- (sb!win32:get-file-attributes filename))
- sb!unix:s-ifdir 0)))
- (progn (sb!win32:close-handle handle) t)))))
+ (declare (ignore ino nlink gid rdev size atime))
(if existsp
(case query-for
(:existence (nth-value
;; ... but without any trailing slash.
:as-directory (eql (logand mode sb!unix:s-ifmt)
sb!unix:s-ifdir))))
- (:author
- #!-win32
- (sb!unix:uid-username uid))
+ (:author (sb!unix:uid-username uid))
(:write-date (+ unix-to-universal-time mtime)))
(progn
;; SBCL has for many years had a policy that a pathname
;; we must distinguish cases where the symlink exists
;; from ones where there's a loop in the apparent
;; containing directory.
- #!-win32
(multiple-value-bind (linkp ignore ino mode nlink uid gid rdev
size atime mtime)
(sb!unix:unix-lstat filename)
#!+win32
(when (streamp file)
(close file))
- (multiple-value-bind (res err) (sb!unix:unix-unlink namestring)
- (unless res
- (simple-file-perror "Couldn't delete file ~A" namestring err))))
+ (multiple-value-bind (res err)
+ #!-win32 (sb!unix:unix-unlink namestring)
+ #!+win32 (or (sb!win32::native-delete-file namestring)
+ (values nil (- (sb!win32:get-last-error))))
+ (unless res
+ (simple-file-perror "couldn't delete ~A" namestring err))))
t)
(defun directorize-pathname (pathname)
:classify-symlinks nil)
(delete-dir dir))
(delete-dir (dir)
- (let* ((namestring (native-namestring dir :as-file t))
- (res (alien-funcall (extern-alien #!-win32 "rmdir"
- #!+win32 "_rmdir"
- (function int c-string))
- namestring)))
- (if (minusp res)
- (simple-file-perror "Couldn't delete directory ~A"
- namestring (get-errno))
- dir))))
+ (let ((namestring (native-namestring dir :as-file t)))
+ (multiple-value-bind (res errno)
+ #!+win32
+ (or (sb!win32::native-delete-directory namestring)
+ (values nil (- (sb!win32:get-last-error))))
+ #!-win32
+ (values
+ (not (minusp (alien-funcall
+ (extern-alien "rmdir"
+ (function int c-string))
+ namestring)))
+ (get-errno))
+ (if res
+ dir
+ (simple-file-perror
+ "Could not delete directory ~A"
+ namestring errno))))))
(if recursive
(recurse physical)
(delete-dir physical)))))
+
\f
(defun sbcl-homedir-pathname ()
(let ((sbcl-home (posix-getenv "SBCL_HOME")))
(canonicalize-directory (directory)
(let (pieces)
(dolist (piece directory)
- (if (and pieces (member piece '(:back :up)))
+ (cond
+ ((and pieces (member piece '(:back :up)))
;; FIXME: We should really canonicalize when we construct
;; pathnames. This is just wrong.
(case (car pieces)
((:relative :up :back)
(push piece pieces))
(t
- (pop pieces)))
- (push piece pieces)))
+ (pop pieces))))
+ ((equal piece ".")
+ ;; This case only really matters on Windows,
+ ;; because on POSIX, our call site (TRUENAME via
+ ;; QUERY-FILE-SYSTEM) only passes in pathnames from
+ ;; realpath(3), in which /./ has been removed
+ ;; already. Windows, however, depends on us to
+ ;; perform this fixup. -- DFL
+ )
+ (t
+ (push piece pieces))))
(nreverse pieces))))
(let ((name (simplify (pathname-name pathname)))
(type (simplify (pathname-type pathname)))
(macrolet ((,iterator ()
`(funcall ,',one-iter)))
,@body)))
+ #!+win32
+ (sb!win32::native-call-with-directory-iterator
+ #'iterate ,namestring ,errorp)
+ #!-win32
(call-with-native-directory-iterator #'iterate ,namestring ,errorp))))
(defun call-with-native-directory-iterator (function namestring errorp)
(let* ((fun (%coerce-callable-to-fun function))
(as-files (eq :as-files directories))
(physical (physicalize-pathname directory))
- ;; Not QUERY-FILE-SYSTEM :EXISTENCE, since it doesn't work on Windows
- ;; network shares.
- (realname (sb!unix:unix-realpath (native-namestring physical :as-file t)))
+ (realname (query-file-system physical :existence nil))
(canonical (if realname
(parse-native-namestring realname
(pathname-host physical)
:as-directory (and dirp (not as-files)))
physical))))
(with-native-directory-iterator (next dirname :errorp errorp)
- (loop for name = (next)
- while name
- do (let* ((full (concatenate 'string dirname name))
- (kind (native-file-kind full)))
- (when kind
- (case kind
- (:directory
- (when directories
- (map-it name t)))
- (:symlink
- (if classify-symlinks
- (let* ((tmpname (merge-pathnames
- (parse-native-namestring
- name nil physical :as-directory nil)
- physical))
- (truename (query-file-system tmpname :truename nil)))
- (if (or (not truename)
- (or (pathname-name truename) (pathname-type truename)))
- (when files
- (funcall fun tmpname))
- (when directories
- (map-it name t))))
- (when files
- (map-it name nil))))
- (t
- ;; Anything else parses as a file.
- (when files
- (map-it name nil)))))))))))
+ (loop
+ ;; provision for FindFirstFileExW-based iterator that should be used
+ ;; on Windows: file kind is known instantly there, so we'll have it
+ ;; returned by (next) soon.
+ (multiple-value-bind (name kind) (next)
+ (unless (or name kind) (return))
+ (unless kind
+ (setf kind (native-file-kind
+ (concatenate 'string dirname name))))
+ (when kind
+ (case kind
+ (:directory
+ (when directories
+ (map-it name t)))
+ (:symlink
+ (if classify-symlinks
+ (let* ((tmpname (merge-pathnames
+ (parse-native-namestring
+ name nil physical :as-directory nil)
+ physical))
+ (truename (query-file-system tmpname :truename nil)))
+ (if (or (not truename)
+ (or (pathname-name truename) (pathname-type truename)))
+ (when files
+ (funcall fun tmpname))
+ (when directories
+ (map-it name t))))
+ (when files
+ (map-it name nil))))
+ (t
+ ;; Anything else parses as a file.
+ (when files
+ (map-it name nil)))))))))))
;;; Part of DIRECTORY: implements matching the directory spec. Calls FUNCTION
;;; with all DIRECTORIES that match the directory portion of PATHSPEC.
(car one) (car two)) x))
(intersect-directory-helper (cdr one) (cdr two)))))))))
\f
+
+(defun directory-pathname-p (pathname)
+ (and (pathnamep pathname)
+ (null (pathname-name pathname))
+ (null (pathname-type pathname))))
+
(defun ensure-directories-exist (pathspec &key verbose (mode #o777))
#!+sb-doc
"Test whether the directories containing the specified file
(error 'simple-file-error
:format-control "bad place for a wild pathname"
:pathname pathspec))
- (let ((dir (pathname-directory pathname)))
- (loop for i from 1 upto (length dir)
- do (let ((newpath (make-pathname
- :host (pathname-host pathname)
- :device (pathname-device pathname)
- :directory (subseq dir 0 i))))
- (unless (probe-file newpath)
- (let ((namestring (coerce (native-namestring newpath)
- 'string)))
- (when verbose
- (format *standard-output*
- "~&creating directory: ~A~%"
- namestring))
- (sb!unix:unix-mkdir namestring mode)
- (unless (probe-file newpath)
- (restart-case (error
- 'simple-file-error
- :pathname pathspec
- :format-control
- "can't create directory ~A"
- :format-arguments (list namestring))
- (retry ()
- :report "Retry directory creation."
- (ensure-directories-exist
- pathspec
- :verbose verbose :mode mode))
- (continue ()
- :report
- "Continue as if directory creation was successful."
- nil)))
- (setf created-p t)))))
+ (let* ((dir (pathname-directory pathname))
+ (*default-pathname-defaults*
+ (make-pathname :directory dir :device (pathname-device pathname)))
+ (dev (pathname-device pathname)))
+ (loop for i from (case dev (:unc 3) (otherwise 2))
+ upto (length dir)
+ do
+ (let* ((newpath (make-pathname
+ :host (pathname-host pathname)
+ :device dev
+ :directory (subseq dir 0 i)))
+ (probed (probe-file newpath)))
+ (unless (directory-pathname-p probed)
+ (let ((namestring (coerce (native-namestring newpath)
+ 'string)))
+ (when verbose
+ (format *standard-output*
+ "~&creating directory: ~A~%"
+ namestring))
+ (sb!unix:unix-mkdir namestring mode)
+ (unless (directory-pathname-p (probe-file newpath))
+ (restart-case
+ (error
+ 'simple-file-error
+ :pathname pathspec
+ :format-control
+ (if (and probed
+ (not (directory-pathname-p probed)))
+ "Can't create directory ~A,~
+ ~%a file with the same name already exists."
+ "Can't create directory ~A")
+ :format-arguments (list namestring))
+ (retry ()
+ :report "Retry directory creation."
+ (ensure-directories-exist
+ pathspec
+ :verbose verbose :mode mode))
+ (continue ()
+ :report
+ "Continue as if directory creation was successful."
+ nil)))
+ (setf created-p t)))))
(values pathspec created-p))))
(/show0 "filesys.lisp 1000")