X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ffilesys.lisp;h=145dae3fc1987569f66536877dce17ab5b504e67;hb=b5703d98da9ebfd688c87e14862ab4e26dc94d14;hp=744eeaf26ecb7c8a0358f252d847a0629234535c;hpb=cea4896b2482b7b2b429c1631d774b4cfbc0efba;p=sbcl.git diff --git a/src/code/filesys.lisp b/src/code/filesys.lisp index 744eeaf..145dae3 100644 --- a/src/code/filesys.lisp +++ b/src/code/filesys.lisp @@ -166,8 +166,8 @@ (position #\. namestr :start (1+ start) :end last-dot :from-end t))) (version :newest)) - ;; If there is a second-to-last dot, check to see whether there is a valid - ;; version after the last dot. + ;; If there is a second-to-last dot, check to see whether there is + ;; a valid version after the last dot. (when second-to-last-dot (cond ((and (= (+ last-dot 2) end) (char= (schar namestr (1+ last-dot)) #\*)) @@ -199,7 +199,8 @@ (/show0 "filesys.lisp 200") ;;; Take a string and return a list of cons cells that mark the char -;;; separated subseq. The first value t if absolute directories location. +;;; separated subseq. The first value is true if absolute directories +;;; location. (defun split-at-slashes (namestr start end) (declare (type simple-base-string namestr) (type index start end)) @@ -358,7 +359,7 @@ (t (pieces "/")))) (:relative - ;; Nothing special. + ;; nothing special )) (dolist (dir directory) (typecase dir @@ -384,22 +385,17 @@ (collect ((strings)) (let* ((name (%pathname-name pathname)) (type (%pathname-type pathname)) - (type-supplied (not (or (null type) (eq type :unspecific)))) - (version (%pathname-version pathname)) - (version-supplied (not (or (null version) (eq version :newest))))) + (type-supplied (not (or (null type) (eq type :unspecific))))) + ;; Note: by ANSI 19.3.1.1.5, we ignore the version slot when + ;; translating logical pathnames to a filesystem without + ;; versions (like Unix). (when name (strings (unparse-unix-piece name))) (when type-supplied (unless name (error "cannot specify the type without a file: ~S" pathname)) (strings ".") - (strings (unparse-unix-piece type))) - (when version-supplied - (unless type-supplied - (error "cannot specify the version without a type: ~S" pathname)) - (strings (if (eq version :wild) - ".*" - (format nil ".~D" version))))) + (strings (unparse-unix-piece type)))) (apply #'concatenate 'simple-string (strings)))) (/show0 "filesys.lisp 406") @@ -419,7 +415,7 @@ (let* ((pathname-directory (%pathname-directory pathname)) (defaults-directory (%pathname-directory defaults)) (prefix-len (length defaults-directory)) - (result-dir + (result-directory (cond ((and (> prefix-len 1) (>= (length pathname-directory) prefix-len) (compare-component (subseq pathname-directory @@ -434,7 +430,7 @@ (t ;; We are a relative directory. So we lose. (lose))))) - (strings (unparse-unix-directory-list result-dir))) + (strings (unparse-unix-directory-list result-directory))) (let* ((pathname-version (%pathname-version pathname)) (version-needed (and pathname-version (not (eq pathname-version :newest)))) @@ -491,25 +487,49 @@ ;;;; wildcard matching stuff +;;; Return a list of all the Lispy filenames (not including e.g. the +;;; Unix magic "." and "..") in the directory named by DIRECTORY-NAME. +(defun directory-lispy-filenames (directory-name) + (with-alien ((adlf (* c-string) + (alien-funcall (extern-alien + "alloc_directory_lispy_filenames" + (function (* c-string) c-string)) + directory-name))) + (if (null-alien adlf) + (error 'simple-file-error + :pathname directory-name + :format-control "~@" + :format-arguments (list directory-name (strerror))) + (unwind-protect + (c-strings->string-list adlf) + (alien-funcall (extern-alien "free_directory_lispy_filenames" + (function void (* c-string))) + adlf))))) + (/show0 "filesys.lisp 498") ;;; FIXME: could maybe be EVAL-WHEN (COMPILE EVAL) + (defmacro enumerate-matches ((var pathname &optional result - &key (verify-existence t)) + &key (verify-existence t) + (follow-links t)) &body body) - (let ((body-name (gensym))) + (let ((body-name (gensym "ENUMERATE-MATCHES-BODY-FUN-"))) `(block nil (flet ((,body-name (,var) ,@body)) + (declare (dynamic-extent ,body-name)) (%enumerate-matches (pathname ,pathname) ,verify-existence + ,follow-links #',body-name) ,result)))) (/show0 "filesys.lisp 500") -(defun %enumerate-matches (pathname verify-existence function) - (/show0 "entering %ENUMERATE-MATCHES") +;;; Call FUNCTION on matches. +(defun %enumerate-matches (pathname verify-existence follow-links function) + (/noshow0 "entering %ENUMERATE-MATCHES") (when (pathname-type pathname) (unless (pathname-name pathname) (error "cannot supply a type without a name:~% ~S" pathname))) @@ -517,62 +537,100 @@ (member (pathname-type pathname) '(nil :unspecific))) (error "cannot supply a version without a type:~% ~S" pathname)) (let ((directory (pathname-directory pathname))) - (/show0 "computed DIRECTORY") + (/noshow0 "computed DIRECTORY") (if directory (ecase (car directory) (:absolute - (/show0 "absolute directory") + (/noshow0 "absolute directory") (%enumerate-directories "/" (cdr directory) pathname - verify-existence function)) + verify-existence follow-links + nil function)) (:relative - (/show0 "relative directory") + (/noshow0 "relative directory") (%enumerate-directories "" (cdr directory) pathname - verify-existence function))) + verify-existence follow-links + nil function))) (%enumerate-files "" pathname verify-existence function)))) -(defun %enumerate-directories (head tail pathname verify-existence function) +;;; Call FUNCTION on directories. +(defun %enumerate-directories (head tail pathname verify-existence + follow-links nodes function) (declare (simple-string head)) - (if tail - (let ((piece (car tail))) - (etypecase piece - (simple-string - (%enumerate-directories (concatenate 'string head piece "/") - (cdr tail) pathname verify-existence - function)) - ((or pattern (member :wild :wild-inferiors)) - (let ((dir (sb!unix:open-dir head))) - (when dir - (unwind-protect - (loop - (let ((name (sb!unix:read-dir dir))) - (cond ((null name) - (return)) - ((string= name ".")) - ((string= name "..")) - ((pattern-matches piece name) - (let ((subdir (concatenate 'string - head name "/"))) - (when (eq (sb!unix:unix-file-kind subdir) - :directory) - (%enumerate-directories - subdir (cdr tail) pathname verify-existence - function))))))) - (sb!unix:close-dir dir))))) + (macrolet ((unix-xstat (name) + `(if follow-links + (sb!unix:unix-stat ,name) + (sb!unix:unix-lstat ,name))) + (with-directory-node-noted ((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 (cons (cons dev ino) nodes))) + ,@body))))) + (if tail + (let ((piece (car tail))) + (etypecase piece + (simple-string + (let ((head (concatenate 'string head piece))) + (with-directory-node-noted (head) + (%enumerate-directories (concatenate 'string head "/") + (cdr tail) pathname + verify-existence follow-links + nodes function)))) + ((member :wild-inferiors) + (%enumerate-directories head (rest tail) pathname + verify-existence follow-links + nodes function) + (dolist (name (ignore-errors (directory-lispy-filenames head))) + (let ((subdir (concatenate 'string head name))) + (multiple-value-bind (res dev ino mode) + (unix-xstat subdir) + (declare (type (or fixnum null) mode)) + (when (and res (eql (logand mode sb!unix:s-ifmt) + sb!unix:s-ifdir)) + (unless (dolist (dir nodes nil) + (when (and (eql (car dir) dev) + (eql (cdr dir) ino)) + (return t))) + (let ((nodes (cons (cons dev ino) nodes)) + (subdir (concatenate 'string subdir "/"))) + (%enumerate-directories subdir tail pathname + verify-existence follow-links + nodes function)))))))) + ((or pattern (member :wild)) + (dolist (name (directory-lispy-filenames head)) + (when (or (eq piece :wild) (pattern-matches piece name)) + (let ((subdir (concatenate 'string head name))) + (multiple-value-bind (res dev ino mode) + (unix-xstat subdir) + (declare (type (or fixnum null) mode)) + (when (and res + (eql (logand mode sb!unix:s-ifmt) + sb!unix:s-ifdir)) + (let ((nodes (cons (cons dev ino) nodes)) + (subdir (concatenate 'string subdir "/"))) + (%enumerate-directories subdir (rest tail) pathname + verify-existence follow-links + nodes function)))))))) ((member :up) - (%enumerate-directories (concatenate 'string head "../") - (cdr tail) pathname verify-existence - function)))) - (%enumerate-files head pathname verify-existence function))) + (let ((head (concatenate 'string head ".."))) + (with-directory-node-noted (head) + (%enumerate-directories (concatenate 'string head "/") + (rest tail) pathname + verify-existence follow-links + nodes function)))))) + (%enumerate-files head pathname verify-existence function)))) +;;; Call FUNCTION on files. (defun %enumerate-files (directory pathname verify-existence function) (declare (simple-string directory)) - (/show0 "entering %ENUMERATE-FILES") + (/noshow0 "entering %ENUMERATE-FILES") (let ((name (%pathname-name pathname)) (type (%pathname-type pathname)) (version (%pathname-version pathname))) - (/show0 "computed NAME, TYPE, and VERSION") + (/noshow0 "computed NAME, TYPE, and VERSION") (cond ((member name '(nil :unspecific)) - (/show0 "UNSPECIFIC, more or less") + (/noshow0 "UNSPECIFIC, more or less") (when (or (not verify-existence) (sb!unix:unix-file-kind directory)) (funcall function directory))) @@ -580,51 +638,48 @@ (pattern-p type) (eq name :wild) (eq type :wild)) - (/show0 "WILD, more or less") - (let ((dir (sb!unix:open-dir directory))) - (when dir - (unwind-protect - (loop - (/show0 "at head of LOOP") - (let ((file (sb!unix:read-dir dir))) - (if file - (unless (or (string= file ".") - (string= file "..")) - (multiple-value-bind - (file-name file-type file-version) - (let ((*ignore-wildcards* t)) - (extract-name-type-and-version - file 0 (length file))) - (when (and (components-match file-name name) - (components-match file-type type) - (components-match file-version - version)) - (funcall function - (concatenate 'string - directory - file))))) - (return)))) - (sb!unix:close-dir dir))))) + (/noshow0 "WILD, more or less") + ;; I IGNORE-ERRORS here just because the original CMU CL + ;; code did. I think the intent is that it's not an error + ;; to request matches to a wild pattern when no matches + ;; exist, but I haven't tried to figure out whether + ;; everything is kosher. (E.g. what if we try to match a + ;; wildcard but we don't have permission to read one of the + ;; relevant directories?) -- WHN 2001-04-17 + (dolist (complete-filename (ignore-errors + (directory-lispy-filenames directory))) + (multiple-value-bind + (file-name file-type file-version) + (let ((*ignore-wildcards* t)) + (extract-name-type-and-version + complete-filename 0 (length complete-filename))) + (when (and (components-match file-name name) + (components-match file-type type) + (components-match file-version version)) + (funcall function + (concatenate 'string + directory + complete-filename)))))) (t - (/show0 "default case") + (/noshow0 "default case") (let ((file (concatenate 'string directory name))) - (/show0 "computed basic FILE=..") - #!+sb-show (%primitive print file) + (/noshow0 "computed basic FILE=..") + (/primitive-print file) (unless (or (null type) (eq type :unspecific)) - (/show0 "tweaking FILE for more-or-less-:UNSPECIFIC case") + (/noshow0 "tweaking FILE for more-or-less-:UNSPECIFIC case") (setf file (concatenate 'string file "." type))) (unless (member version '(nil :newest :wild)) - (/show0 "tweaking FILE for more-or-less-:WILD case") + (/noshow0 "tweaking FILE for more-or-less-:WILD case") (setf file (concatenate 'string file "." (quick-integer-to-string version)))) - (/show0 "finished possibly tweaking FILE=..") - #!+sb-show (%primitive print file) + (/noshow0 "finished possibly tweaking FILE=..") + (/primitive-print file) (when (or (not verify-existence) (sb!unix:unix-file-kind file t)) - (/show0 "calling FUNCTION on FILE") + (/noshow0 "calling FUNCTION on FILE") (funcall function file))))))) -(/show0 "filesys.lisp 603") +(/noshow0 "filesys.lisp 603") ;;; FIXME: Why do we need this? (defun quick-integer-to-string (n) @@ -653,53 +708,70 @@ ;;;; UNIX-NAMESTRING -(defun unix-namestring (pathname &optional (for-input t) executable-only) - #!+sb-doc - "Convert PATHNAME into a string that can be used with UNIX system calls. - Search-lists and wild-cards are expanded." - ;; toy@rtp.ericsson.se: Let unix-namestring also handle logical - ;; pathnames too. - ;; FIXME: What does this ^ mean? A bug? A remark on a change already made? - (/show0 "entering UNIX-NAMESTRING") - (let ((path (let ((lpn (pathname pathname))) - (if (typep lpn 'logical-pathname) - (namestring (translate-logical-pathname lpn)) - pathname)))) - (/show0 "PATH computed, enumerating search list") - (enumerate-search-list - (pathname path) - (collect ((names)) - (/show0 "collecting NAMES") - (enumerate-matches (name pathname nil :verify-existence for-input) - (when (or (not executable-only) - (and (eq (sb!unix:unix-file-kind name) - :file) - (sb!unix:unix-access name - sb!unix:x_ok))) - (names name))) - (/show0 "NAMES collected") - (let ((names (names))) - (when names - (/show0 "NAMES is true.") - (when (cdr names) - (/show0 "Alas! CDR NAMES") - (error 'simple-file-error - :format-control "~S is ambiguous:~{~% ~A~}" - :format-arguments (list pathname names))) - (/show0 "returning from UNIX-NAMESTRING") - (return (car names)))))))) +(defun empty-relative-pathname-spec-p (x) + (or (equal x "") + (and (pathnamep x) + (or (equal (pathname-directory x) '(:relative)) + ;; KLUDGE: I'm not sure this second check should really + ;; have to be here. But on sbcl-0.6.12.7, + ;; (PATHNAME-DIRECTORY (PATHNAME "")) is NIL, and + ;; (PATHNAME "") seems to act like an empty relative + ;; pathname, so in order to work with that, I test + ;; for NIL here. -- WHN 2001-05-18 + (null (pathname-directory x))) + (null (pathname-name x)) + (null (pathname-type x))) + ;; (The ANSI definition of "pathname specifier" has + ;; other cases, but none of them seem to admit the possibility + ;; of being empty and relative.) + )) + +;;; Convert PATHNAME into a string that can be used with UNIX system +;;; calls, or return NIL if no match is found. Search-lists and +;;; wild-cards are expanded. +(defun unix-namestring (pathname-spec &optional (for-input t)) + ;; The ordinary rules of converting Lispy paths to Unix paths break + ;; down for the current working directory, which Lisp thinks of as + ;; "" (more or less, and modulo ANSI's *DEFAULT-PATHNAME-DEFAULTS*, + ;; which unfortunately SBCL, as of sbcl-0.6.12.8, basically ignores) + ;; and Unix thinks of as ".". Since we're at the interface between + ;; Unix system calls and things like ENSURE-DIRECTORIES-EXIST which + ;; think the Lisp way, we perform the conversion. + ;; + ;; (FIXME: The *right* way to deal with this special case is to + ;; merge PATHNAME-SPEC with *DEFAULT-PATHNAME-DEFAULTS* here, after + ;; which it's not a relative pathname any more so the special case + ;; is no longer an issue. But until *DEFAULT-PATHNAME-DEFAULTS* + ;; works, we use this hack.) + (if (empty-relative-pathname-spec-p pathname-spec) + "." + ;; Otherwise, the ordinary rules apply. + (let* ((namestring (physicalize-pathname (pathname pathname-spec))) + (matches nil)) ; an accumulator for actual matches + (enumerate-matches (match namestring nil :verify-existence for-input) + (push match matches)) + (case (length matches) + (0 nil) + (1 (first matches)) + (t (error 'simple-file-error + :format-control "~S is ambiguous:~{~% ~A~}" + :format-arguments (list pathname-spec matches))))))) ;;;; TRUENAME and PROBE-FILE -;;; Another silly file function trivially different from another function. +;;; This is only trivially different from PROBE-FILE, which is silly +;;; but ANSI. (defun truename (pathname) #!+sb-doc - "Return the pathname for the actual file described by the pathname - An error of type file-error is signalled if no such file exists, - or the pathname is wild." + "Return the pathname for the actual file described by PATHNAME. + An error of type FILE-ERROR is signalled if no such file exists, + or the pathname is wild. + + Under Unix, the TRUENAME of a broken symlink is considered to be + the name of the broken symlink itself." (if (wild-pathname-p pathname) (error 'simple-file-error - :format-control "bad place for a wild pathname" + :format-control "can't use a wild pathname here" :pathname pathname) (let ((result (probe-file pathname))) (unless result @@ -712,25 +784,21 @@ ;;; If PATHNAME exists, return its truename, otherwise NIL. (defun probe-file (pathname) #!+sb-doc - "Return a pathname which is the truename of the file if it exists, NIL - otherwise. An error of type file-error is signaled if pathname is wild." - (/show0 "entering PROBE-FILE") - (if (wild-pathname-p pathname) - (error 'simple-file-error - :pathname pathname - :format-control "bad place for a wild pathname") - (let ((namestring (unix-namestring pathname t))) - (/show0 "NAMESTRING computed") - (when (and namestring (sb!unix:unix-file-kind namestring)) - (/show0 "NAMESTRING is promising.") - (let ((truename (sb!unix:unix-resolve-links - (sb!unix:unix-maybe-prepend-current-directory - namestring)))) - (/show0 "TRUENAME computed") - (when truename - (/show0 "TRUENAME is true.") - (let ((*ignore-wildcards* t)) - (pathname (sb!unix:unix-simplify-pathname truename))))))))) + "Return a pathname which is the truename of the file if it exists, or NIL + otherwise. An error of type FILE-ERROR is signaled if pathname is wild." + (when (wild-pathname-p pathname) + (error 'simple-file-error + :pathname pathname + :format-control "can't use a wild pathname here")) + (let* ((defaulted-pathname (merge-pathnames + pathname + (sane-default-pathname-defaults))) + (namestring (unix-namestring defaulted-pathname t))) + (when (and namestring (sb!unix:unix-file-kind namestring t)) + (let ((trueishname (sb!unix:unix-resolve-links namestring))) + (when trueishname + (let ((*ignore-wildcards* t)) + (pathname (sb!unix:unix-simplify-pathname trueishname)))))))) ;;;; miscellaneous other operations @@ -738,7 +806,7 @@ (defun rename-file (file new-name) #!+sb-doc - "Rename File to have the specified New-Name. If file is a stream open to a + "Rename FILE to have the specified NEW-NAME. If FILE is a stream open to a file, then the associated file is renamed." (let* ((original (truename file)) (original-namestring (unix-namestring original t)) @@ -754,16 +822,16 @@ (unless res (error 'simple-file-error :pathname new-name - :format-control "failed to rename ~A to ~A: ~A" - :format-arguments (list original new-name - (sb!unix:get-unix-error-msg error)))) + :format-control "~@" + :format-arguments (list original new-name (strerror error)))) (when (streamp file) (file-name file new-namestring)) (values new-name original (truename new-name))))) (defun delete-file (file) #!+sb-doc - "Delete the specified file." + "Delete the specified FILE." (let ((namestring (unix-namestring file t))) (when (streamp file) (close file :abort t)) @@ -772,21 +840,17 @@ :pathname file :format-control "~S doesn't exist." :format-arguments (list file))) - (multiple-value-bind (res err) (sb!unix:unix-unlink namestring) (unless res - (error 'simple-file-error - :pathname namestring - :format-control "could not delete ~A: ~A" - :format-arguments (list namestring - (sb!unix:get-unix-error-msg err)))))) + (simple-file-perror "couldn't delete ~A" namestring err)))) t) -;;; Return Home:, which is set up for us at initialization time. +;;; (This is an ANSI Common Lisp function.) +;;; +;;; This is obtained from the logical name \"home:\", which is set +;;; up for us at initialization time. (defun user-homedir-pathname (&optional host) - #!+sb-doc - "Returns the home directory of the logged in user as a pathname. - This is obtained from the logical name \"home:\"." + "Return the home directory of the user as a pathname." (declare (ignore host)) ;; Note: CMU CL did #P"home:" here instead of using a call to ;; PATHNAME. Delaying construction of the pathname until we're @@ -822,9 +886,9 @@ (defun file-author (file) #!+sb-doc - "Returns the file author as a string, or nil if the author cannot be - determined. Signals an error of type file-error if file doesn't exist, - or file is a wild pathname." + "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) (error 'simple-file-error :pathname file @@ -844,38 +908,34 @@ (/show0 "filesys.lisp 800") -(defun directory (pathname &key (all t) (check-for-subdirs t) - (follow-links t)) +(defun directory (pathname &key) #!+sb-doc - "Returns a list of pathnames, one for each file that matches the given - pathname. Supplying :ALL as nil causes this to ignore Unix dot files. This - never includes Unix dot and dot-dot in the result. If :FOLLOW-LINKS is NIL, - then symblolic links in the result are not expanded. This is not the - default because TRUENAME does follow links, and the result pathnames are - defined to be the TRUENAME of the pathname (the truename of a link may well - be in another directory.)" - (let ((results nil)) + "Return a list of PATHNAMEs, each the TRUENAME of a file that matched the + given pathname. Note that the interaction between this ANSI-specified + TRUENAMEing and the semantics of the Unix filesystem (symbolic links..) + means this function can sometimes return files which don't have the same + directory as PATHNAME." + (let ((truenames nil)) (enumerate-search-list (pathname (merge-pathnames pathname (make-pathname :name :wild :type :wild :version :wild))) - (enumerate-matches (name pathname) - (when (or all - (let ((slash (position #\/ name :from-end t))) - (or (null slash) - (= (1+ slash) (length name)) - (char/= (schar name (1+ slash)) #\.)))) - (push name results)))) - (let ((*ignore-wildcards* t)) - (mapcar #'(lambda (name) - (let ((name (if (and check-for-subdirs - (eq (sb!unix:unix-file-kind name) - :directory)) - (concatenate 'string name "/") - name))) - (if follow-links (truename name) (pathname name)))) - (sort (delete-duplicates results :test #'string=) #'string<))))) + (enumerate-matches (match pathname) + (let ((*ignore-wildcards* t)) + (push (truename (if (eq (sb!unix:unix-file-kind match) :directory) + (concatenate 'string match "/") + match)) + truenames)))) + ;; FIXME: The DELETE-DUPLICATES here requires quadratic time, + ;; which is unnecessarily slow. That might not be an issue, + ;; though, since the time constant for doing TRUENAME on every + ;; directory entry is likely to be (much) larger, and the cost of + ;; all those TRUENAMEs on a huge directory might even be quadratic + ;; in the directory size. Someone who cares about enormous + ;; directories might want to check this. -- WHN 2001-06-19 + (sort (delete-duplicates truenames :test #'string= :key #'pathname-name) + #'string< :key #'pathname-name))) ;;;; translating Unix uid's ;;;; @@ -944,7 +1004,7 @@ (/show0 "filesys.lisp 899") -;;; Predicate to order pathnames by. Goes by name. +;;; predicate to order pathnames by; goes by name (defun pathname-order (x y) (let ((xn (%pathname-name x)) (yn (%pathname-name y))) @@ -956,47 +1016,14 @@ (t t))) xn))) -(defun default-directory () - #!+sb-doc - "Returns the pathname for the default directory. This is the place where - a file will be written if no directory is specified. This may be changed - with setf." - (multiple-value-bind (gr dir-or-error) (sb!unix:unix-current-directory) - (if gr - (let ((*ignore-wildcards* t)) - (pathname (concatenate 'simple-string dir-or-error "/"))) - (error dir-or-error)))) - -(defun %set-default-directory (new-val) - (let ((namestring (unix-namestring new-val t))) - (unless namestring - (error "~S doesn't exist." new-val)) - (multiple-value-bind (gr error) (sb!unix:unix-chdir namestring) - (if gr - (setf (search-list "default:") (default-directory)) - (error (sb!unix:get-unix-error-msg error)))) - new-val)) - -(/show0 "filesys.lisp 934") - -(defun !filesys-cold-init () - (/show0 "entering !FILESYS-COLD-INIT") - (setf *default-pathname-defaults* - (%make-pathname *unix-host* nil nil nil nil :newest)) - (setf (search-list "default:") (default-directory)) - (/show0 "leaving !FILESYS-COLD-INIT") - nil) - (defun ensure-directories-exist (pathspec &key verbose (mode #o777)) #!+sb-doc - "Tests whether the directories containing the specified file - actually exist, and attempts to create them if they do not. - Portable programs should avoid using the :MODE keyword argument." - (let* ((pathname (pathname pathspec)) - (pathname (if (typep pathname 'logical-pathname) - (translate-logical-pathname pathname) - pathname)) - (created-p nil)) + "Test whether the directories containing the specified file + actually exist, and attempt to create them if they do not. + The MODE argument is a CMUCL/SBCL-specific extension to control + the Unix permission bits." + (let ((pathname (physicalize-pathname (pathname pathspec))) + (created-p nil)) (when (wild-pathname-p pathname) (error 'simple-file-error :format-control "bad place for a wild pathname"