X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-posix%2Fmacros.lisp;h=f80e714c419c9656e5ad5eeffe209773e481b6f1;hb=f7e3e709f7c2207f1923375942f7fb1c092f92b0;hp=02855f8dfe4562fd4dd69a92f8f5ec3005b88c54;hpb=3eb0a28fe6a7912d6ff2b97221325c0e3bfc5703;p=sbcl.git

diff --git a/contrib/sb-posix/macros.lisp b/contrib/sb-posix/macros.lisp
index 02855f8..f80e714 100644
--- a/contrib/sb-posix/macros.lisp
+++ b/contrib/sb-posix/macros.lisp
@@ -2,7 +2,8 @@
 
 (define-designator filename c-string
   (pathname
-   (sb-ext:native-namestring (translate-logical-pathname filename)))
+   (sb-ext:native-namestring (translate-logical-pathname filename)
+                             :as-file t))
   (string filename))
 
 (define-designator file-descriptor (integer 32)
@@ -17,9 +18,38 @@
   (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)
-  (let ((root (if (eql #\_ (char s 0)) (subseq s 1) s)))
-    (intern (substitute #\- #\_ (string-upcase root)) :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)
@@ -50,11 +80,12 @@
       `(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))))