\f
;;;; Lisp types used by syscalls
-(deftype unix-pathname () 'simple-base-string)
+(deftype unix-pathname () #!-win32 'simple-base-string #!+win32 'simple-string)
(deftype unix-fd () `(integer 0 ,most-positive-fixnum))
(deftype unix-file-mode () '(unsigned-byte 32))
#!+win32
(progn
- (defconstant o_rdonly 0)
- (defconstant o_wronly 1)
- (defconstant o_rdwr 2)
- (defconstant o_creat #x100)
- (defconstant o_trunc #x200)
- (defconstant o_append #x008)
- (defconstant o_excl #x400)
- (defconstant enoent 2)
- (defconstant eexist 17)
(defconstant espipe 29)
- (defconstant o_binary #x8000)
- (defconstant s-ifmt #xf000)
- (defconstant s-ifdir #x4000)
- (defconstant s-ifreg #x8000)
- (define-alien-type ino-t short)
- (define-alien-type time-t long)
- (define-alien-type off-t long)
- (define-alien-type size-t long)
- (define-alien-type mode-t unsigned-short)
-
;; For stat-wrapper hack (different-type or non-existing win32 fields).
(define-alien-type nlink-t short)
(define-alien-type uid-t short)
\f
;;;; hacking the Unix environment
+#!-win32
(define-alien-routine ("getenv" posix-getenv) c-string
"Return the \"value\" part of the environment string \"name=value\" which
corresponds to NAME, or NIL if there is none."
;;; Rename the file with string NAME1 to the string NAME2. NIL and an
;;; error code is returned if an error occurs.
+#!-win32
(defun unix-rename (name1 name2)
(declare (type unix-pathname name1 name2))
(void-syscall ("rename" c-string c-string) name1 name2))
;;; w_ok Write permission.
;;; x_ok Execute permission.
;;; f_ok Presence of file.
-#!-win32
+
+;;; In Windows, the MODE argument to access is defined in terms of
+;;; literal magic numbers---there are no constants to grovel. X_OK
+;;; is not defined.
+#!+win32
+(progn
+ (defconstant f_ok 0)
+ (defconstant w_ok 2)
+ (defconstant r_ok 4))
+
(defun unix-access (path mode)
(declare (type unix-pathname path)
(type (mod 8) mode))
(syscall ("pipe" (* int))
(values (deref fds 0) (deref fds 1))
(cast fds (* int)))))
+#!+win32
+(defun msvcrt-raw-pipe (fds size mode)
+ (syscall ("_pipe" (* int) int int)
+ (values (deref fds 0) (deref fds 1))
+ (cast fds (* int)) size mode))
+#!+win32
+(defun unix-pipe ()
+ (with-alien ((fds (array int 2)))
+ (msvcrt-raw-pipe fds 256 o_binary)))
;; Windows mkdir() doesn't take the mode argument. It's cdecl, so we could
;; actually call it passing the mode argument, but some sharp-eyed reader
;; would put five and twenty-seven together and ask us about it, so...
;; -- AB, 2005-12-27
+#!-win32
(defun unix-mkdir (name mode)
(declare (type unix-pathname name)
(type unix-file-mode mode)
;;; Return the Unix current directory as a SIMPLE-STRING, in the
;;; style returned by getcwd() (no trailing slash character).
+#!-win32
(defun posix-getcwd ()
;; This implementation relies on a BSD/Linux extension to getcwd()
;; behavior, automatically allocating memory when a null buffer
;; helpful, either, as Solaris doesn't export PATH_MAX from
;; unistd.h.
;;
- ;; The Win32 damage here is explained in the comment above wrap_getcwd()
- ;; in src/runtime/wrap.c. Short form: We need it now, it goes away later.
- ;;
;; FIXME: The (,stub,) nastiness produces an error message about a
;; comma not inside a backquote. This error has absolutely nothing
;; to do with the actual meaning of the error (and little to do with
;; its location, either).
#!-(or linux openbsd freebsd netbsd sunos osf1 darwin win32) (,stub,)
#!+(or linux openbsd freebsd netbsd sunos osf1 darwin win32)
- (or (newcharstar-string (alien-funcall (extern-alien #!-win32 "getcwd"
- #!+win32 "wrap_getcwd"
+ (or (newcharstar-string (alien-funcall (extern-alien "getcwd"
(function (* char)
(* char)
size-t))
;;; try to handle any more generality than that.
(defun unix-resolve-links (pathname)
(declare (type simple-base-string pathname))
+ ;; KLUDGE: The Win32 platform doesn't have symbolic links, so
+ ;; short-cut this computation (and the check for being an absolute
+ ;; unix pathname...)
+ #!+win32 (return-from unix-resolve-links pathname)
(aver (not (relative-unix-pathname? pathname)))
;; KLUDGE: readlink and lstat are unreliable if given symlinks
;; ending in slashes -- fix the issue here instead of waiting for
;; libc to change...
+ ;;
+ ;; but be careful! Must not strip the final slash from "/". (This
+ ;; adjustment might be a candidate for being transferred into the C
+ ;; code in a wrap_readlink() function, too.) CSR, 2006-01-18
(let ((len (length pathname)))
- (when (and (plusp len) (eql #\/ (schar pathname (1- len))))
+ (when (and (> len 1) (eql #\/ (schar pathname (1- len))))
(setf pathname (subseq pathname 0 (1- len)))))
(/noshow "entering UNIX-RESOLVE-LINKS")
(loop with previous-pathnames = nil do