(let ((directory (pathname-directory pathname)))
(/noshow0 "computed DIRECTORY")
(if directory
- (ecase (car directory)
+ (ecase (first directory)
(:absolute
(/noshow0 "absolute directory")
- (%enumerate-directories "/" (cdr directory) pathname
+ (%enumerate-directories "/" (rest directory) pathname
verify-existence follow-links
nil function))
(:relative
(/noshow0 "relative directory")
- (%enumerate-directories "" (cdr directory) pathname
+ (%enumerate-directories "" (rest directory) pathname
verify-existence follow-links
nil function)))
(%enumerate-files "" pathname verify-existence function))))
(when (and res (eql (logand mode sb!unix:s-ifmt)
sb!unix:s-ifdir))
(let ((nodes (cons (cons dev ino) nodes)))
+ ,@body))))
+ (with-directory-node-removed ((head) &body body)
+ `(multiple-value-bind (res dev ino mode)
+ (unix-xstat ,head)
+ (when (and res (eql (logand mode sb!unix:s-ifmt)
+ sb!unix:s-ifdir))
+ (let ((nodes (remove (cons dev ino) nodes :test #'equal)))
,@body)))))
(if tail
(let ((piece (car tail)))
verify-existence follow-links
nodes function))))))))
((member :up)
+ (with-directory-node-removed (head)
(let ((head (concatenate 'string head "..")))
(with-directory-node-noted (head)
(%enumerate-directories (concatenate 'string head "/")
(rest tail) pathname
verify-existence follow-links
- nodes function))))))
+ nodes function)))))))
(%enumerate-files head pathname verify-existence function))))
;;; Call FUNCTION on files.
(t
(/noshow0 "default case")
(let ((file (concatenate 'string directory name)))
- (/noshow0 "computed basic FILE=..")
- (/primitive-print file)
+ (/noshow "computed basic FILE")
(unless (or (null type) (eq type :unspecific))
(/noshow0 "tweaking FILE for more-or-less-:UNSPECIFIC case")
(setf file (concatenate 'string file "." type)))
(/noshow0 "tweaking FILE for more-or-less-:WILD case")
(setf file (concatenate 'string file "."
(quick-integer-to-string version))))
- (/noshow0 "finished possibly tweaking FILE=..")
- (/primitive-print file)
+ (/noshow0 "finished possibly tweaking FILE")
(when (or (not verify-existence)
(sb!unix:unix-file-kind file t))
(/noshow0 "calling FUNCTION on FILE")
(defun file-author (file)
#!+sb-doc
- "Return the file author as a string, or nil if the author cannot be
+ "Return the file author as a string, or NIL if the author cannot be
determined. Signal an error of type FILE-ERROR if FILE doesn't exist,
or FILE is a wild pathname."
(if (wild-pathname-p file)
(multiple-value-bind (winp dev ino mode nlink uid)
(sb!unix:unix-stat name)
(declare (ignore dev ino mode nlink))
- (if winp (lookup-login-name uid))))))
+ (and winp (sb!unix:uid-username uid))))))
\f
;;;; DIRECTORY
means this function can sometimes return files which don't have the same
directory as PATHNAME."
(let (;; We create one entry in this hash table for each truename,
- ;; as an asymptotically fast way of removing duplicates (which
- ;; can arise when e.g. multiple symlinks map to the same
- ;; truename).
+ ;; as an asymptotically efficient way of removing duplicates
+ ;; (which can arise when e.g. multiple symlinks map to the
+ ;; same truename).
(truenames (make-hash-table :test #'equal))
(merged-pathname (merge-pathnames pathname
- (make-pathname :name :wild
- :type :wild
- :version :wild))))
+ *default-pathname-defaults*)))
(!enumerate-matches (match merged-pathname)
(let ((*ignore-wildcards* t)
(truename (truename (if (eq (sb!unix:unix-file-kind match)
#'string<
:key #'car))))
\f
-;;;; translating Unix uid's
-;;;;
-;;;; FIXME: should probably move into unix.lisp
-
-(defvar *uid-hash-table* (make-hash-table)
- #!+sb-doc
- "hash table for keeping track of uid's and login names")
-
-(/show0 "filesys.lisp 844")
-
-;;; LOOKUP-LOGIN-NAME translates a user id into a login name. Previous
-;;; lookups are cached in a hash table since groveling the passwd(s)
-;;; files is somewhat expensive. The table may hold NIL for id's that
-;;; cannot be looked up since this keeps the files from having to be
-;;; searched in their entirety each time this id is translated.
-(defun lookup-login-name (uid)
- (multiple-value-bind (login-name foundp) (gethash uid *uid-hash-table*)
- (if foundp
- login-name
- (setf (gethash uid *uid-hash-table*)
- (get-group-or-user-name :user uid)))))
-
-;;; GET-GROUP-OR-USER-NAME first tries "/etc/passwd" ("/etc/group")
-;;; since it is a much smaller file, contains all the local id's, and
-;;; most uses probably involve id's on machines one would login into.
-;;; Then if necessary, we look in "/etc/passwds" ("/etc/groups") which
-;;; is really long and has to be fetched over the net.
-;;;
-;;; The result is a SIMPLE-STRING or NIL.
-;;;
-;;; FIXME: Now that we no longer have lookup-group-name, we no longer need
-;;; the GROUP-OR-USER argument.
-(defun get-group-or-user-name (group-or-user id)
- (declare (type (member :group :user) group-or-user))
- (declare (type index id))
- (let ((id-string (let ((*print-base* 10)) (prin1-to-string id))))
- (declare (simple-string id-string))
- (multiple-value-bind (file1 file2)
- (ecase group-or-user
- (:group (values "/etc/group" "/etc/groups"))
- (:user (values "/etc/passwd" "/etc/passwd")))
- (or (get-group-or-user-name-aux id-string file1)
- (get-group-or-user-name-aux id-string file2)))))
-
-;;; FIXME: Isn't there now a POSIX routine to parse the passwd file?
-;;; getpwent? getpwuid?
-(defun get-group-or-user-name-aux (id-string passwd-file)
- (with-open-file (stream passwd-file)
- (loop
- (let ((entry (read-line stream nil)))
- (unless entry (return nil))
- (let ((name-end (position #\: (the simple-string entry)
- :test #'char=)))
- (when name-end
- (let ((id-start (position #\: (the simple-string entry)
- :start (1+ name-end) :test #'char=)))
- (when id-start
- (incf id-start)
- (let ((id-end (position #\: (the simple-string entry)
- :start id-start :test #'char=)))
- (when (and id-end
- (string= id-string entry
- :start2 id-start :end2 id-end))
- (return (subseq entry 0 name-end))))))))))))
-\f
(/show0 "filesys.lisp 899")
;;; predicate to order pathnames by; goes by name
projects / sbcl.git / blobdiff