-(in-package :sb-posix-internal)
-
-;;; some explanation may be necessary. The namestring "[foo]"
-;;; denotes a wild pathname. When there's a file on the disk whose
-;;; Unix name is "[foo]", the appropriate CL namestring for it is
-;;; "\\[foo]". So, don't call NAMESTRING, instead call a function
-;;; that gets us the Unix name
-(defun native-filename (pathname)
- (let ((directory (pathname-directory pathname))
- (name (pathname-name pathname))
- (type (pathname-type pathname)))
- (with-output-to-string (s nil :element-type 'base-char)
- (etypecase directory
- (string (write-string directory s))
- (list
- (when (eq (car directory) :absolute)
- (write-char #\/ s))
- (dolist (piece (cdr directory))
- (etypecase piece
- (string (write-string piece s) (write-char #\/ s))
- ((member :up) (write-string "../" s))))))
- (etypecase name
- (null)
- (string (write-string name s)))
- (etypecase type
- (null)
- (string (write-char #\. s) (write-string type s))))))
+(in-package :sb-posix)
(define-designator filename c-string
(pathname
- (native-filename (translate-logical-pathname filename)))
+ (sb-ext:native-namestring (translate-logical-pathname filename)
+ :as-file t))
(string filename))
(define-designator file-descriptor (integer 32)
(null (sb-alien:sap-alien (sb-sys:int-sap 0) (* t)))
((alien (* t)) alien-pointer-to-anything-or-nil))
-(defun lisp-for-c-symbol (s)
- (intern (substitute #\- #\_ (string-upcase s)) :sb-posix))
+(defun lisp-for-c-symbol (name)
+ (etypecase name
+ (list
+ (lisp-for-c-symbol (car name)))
+ (string
+ (let ((root (if (eql #\_ (char name 0)) (subseq name 1) name)))
+ (intern (substitute #\- #\_ (string-upcase root)) :sb-posix)))))
+
+;; Note: this variable is set in interface.lisp. defined here for
+;; clarity and so the real-c-name compile as desired.
+(defparameter *c-functions-in-runtime* nil)
+
+(defun real-c-name (name)
+ (let ((maybe-name
+ (etypecase name
+ (list
+ (destructuring-bind (name &key c-name options) name
+ (declare (ignorable options))
+ (if c-name
+ c-name
+ (cond #+largefile
+ ((or (eql options :largefile)
+ (member :largefile options))
+ (format nil "~a_largefile" name))
+ (t
+ name)))))
+ (string
+ name))))
+ (if (member maybe-name *c-functions-in-runtime*
+ :test #'string=)
+ (format nil "_~A" maybe-name)
+ maybe-name)))
(defmacro define-call-internally (lisp-name c-name return-type error-predicate
&rest arguments)
`(sb-int:style-warn "Didn't find definition for ~S" ,c-name)))
(defmacro define-call (name return-type error-predicate &rest arguments)
- (let ((lisp-name (lisp-for-c-symbol name)))
+ (let ((lisp-name (lisp-for-c-symbol name))
+ (real-c-name (real-c-name name)))
`(progn
(export ',lisp-name :sb-posix)
(define-call-internally ,lisp-name
- ,name
+ ,real-c-name
,return-type
,error-predicate
,@arguments))))