X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fwin32.lisp;h=e4152a8ce5a1b5885f8e47c411ea25b3cac73d16;hb=568daf6b160280428701670b921f419aabd9eba0;hp=41769381994d14d2b9ce70909acaa485462e032c;hpb=766970bdf375cc3fd28c6abc049f48a7dd9e0564;p=sbcl.git diff --git a/src/code/win32.lisp b/src/code/win32.lisp index 4176938..e4152a8 100644 --- a/src/code/win32.lisp +++ b/src/code/win32.lisp @@ -21,6 +21,10 @@ (define-alien-type dword unsigned-long) (define-alien-type bool int) (define-alien-type UINT unsigned-int) +(define-alien-type tchar #!+sb-unicode (sb!alien:unsigned 16) + #!-sb-unicode char) + +(defconstant default-environment-length 1024) ;;; HANDLEs are actually pointers, but an invalid handle is -1 cast ;;; to a pointer. @@ -348,3 +352,125 @@ (gethash (alien-funcall (extern-alien "GetConsoleOutputCP@0" (function UINT))) *codepage-to-external-format*) :LATIN-1)) + +;;;; FIXME (rudi 2006-03-29): this should really be (octets-to-string +;;;; :external-format :ucs2), except that we do not have an +;;;; implementation of ucs2 yet. +(defmacro ucs2->string (astr &optional size) + #!-sb-unicode + (declare (ignore size)) + #!-sb-unicode + `(cast ,astr c-string) + #!+sb-unicode + (let ((str-len (or size `(do ((i 0 (1+ i))) ((zerop (deref ,astr i)) i))))) + `(let* ((l ,str-len) + (s (make-string l))) + (dotimes (i l) (setf (aref s i) (code-char (deref ,astr i)))) + s))) + +(defmacro ucs2->string&free (astr &optional size) + `(prog1 (ucs2->string ,astr ,size) (free-alien ,astr))) + +(define-alien-routine ("LocalFree@4" local-free) void + (lptr (* t))) + +(defun get-last-error-message (err) + "http://msdn.microsoft.com/library/default.asp?url=/library/en-us/debug/base/retrieving_the_last_error_code.asp" + (with-alien ((amsg (* tchar))) + (let ((nchars + (alien-funcall + (extern-alien #!+sb-unicode "FormatMessageW@28" + #!-sb-unicode "FormatMessageA@28" + (function dword + dword dword dword dword (* (* tchar)) dword dword)) + (logior FORMAT_MESSAGE_ALLOCATE_BUFFER FORMAT_MESSAGE_FROM_SYSTEM) + 0 err 0 (addr amsg) 0 0))) + (prog1 (ucs2->string amsg nchars) + (local-free amsg))))) + +(defmacro win32-error (func-name) + `(let ((err-code (sb!win32::get-last-error))) + (error "~%Win32 Error [~A] - ~A~%~A" + ,func-name + err-code + (sb!win32::get-last-error-message err-code)))) + +(defun get-folder-path (CSIDL) + "http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/reference/functions/shgetfolderpath.asp" + (with-alien ((apath (* tchar) (make-alien tchar (1+ MAX_PATH)))) + (alien-funcall + (extern-alien #!-sb-unicode "SHGetFolderPathA@20" + #!+sb-unicode "SHGetFolderPathW@20" + (function int handle int handle dword (* tchar))) + 0 CSIDL 0 0 apath) + (concatenate 'string (ucs2->string&free apath) "\\"))) + +(defun sb!unix:posix-getcwd () + (with-alien ((apath (* tchar) (make-alien tchar (1+ MAX_PATH))) + (afunc (function dword dword (* tchar)) + :extern #!-sb-unicode "GetCurrentDirectoryA@8" + #!+sb-unicode "GetCurrentDirectoryW@8")) + (let ((ret (alien-funcall afunc (1+ MAX_PATH) apath))) + (when (zerop ret) + (win32-error "GetCurrentDirectory")) + (when (> ret (1+ MAX_PATH)) + (free-alien apath) + (setf apath (make-alien tchar ret)) + (alien-funcall afunc ret apath)) + (ucs2->string&free apath ret)))) + +(defun sb!unix:unix-mkdir (name mode) + (declare (type sb!unix:unix-pathname name) + (type sb!unix:unix-file-mode mode) + (ignore mode)) + (let ((name-length (length name))) + (with-alien ((apath (* tchar) (make-alien tchar (1+ name-length)))) + (dotimes (i name-length) (setf (deref apath i) (char-code (aref name i)))) + (setf (deref apath name-length) 0) + (when + (zerop (alien-funcall + (extern-alien #!-sb-unicode "CreateDirectoryA@8" + #!+sb-unicode "CreateDirectoryW@8" + (function bool (* tchar) dword)) + apath 0)) + (win32-error "CreateDirectory")) + (values t 0)))) + +(defun sb!unix:unix-rename (name1 name2) + (declare (type sb!unix:unix-pathname name1 name2)) + (let ((name-length1 (length name1)) + (name-length2 (length name2))) + (with-alien ((apath1 (* tchar) (make-alien tchar (1+ name-length1))) + (apath2 (* tchar) (make-alien tchar (1+ name-length2)))) + (dotimes (i name-length1) (setf (deref apath1 i) (char-code (aref name1 i)))) + (setf (deref apath1 name-length1) 0) + (dotimes (i name-length2) (setf (deref apath2 i) (char-code (aref name2 i)))) + (setf (deref apath2 name-length2) 0) + (when + (zerop (alien-funcall + (extern-alien #!-sb-unicode "MoveFileA@8" + #!+sb-unicode "MoveFileW@8" + (function bool (* tchar) (* tchar))) + apath1 apath2)) + (win32-error "MoveFile")) + (values t 0)))) + + +(defun sb!unix::posix-getenv (name) + (declare (type simple-string name)) + (let ((name-length (length name))) + (with-alien ((aname (* tchar) (make-alien tchar (1+ name-length))) + (aenv (* tchar) (make-alien tchar default-environment-length)) + (afunc (function dword (* tchar) (* tchar) dword) + :extern #!-sb-unicode "GetEnvironmentVariableA@12" + #!+sb-unicode "GetEnvironmentVariableW@12")) + (dotimes (i name-length) (setf (deref aname i) (char-code (aref name i)))) + (setf (deref aname name-length) 0) + (let ((ret (alien-funcall afunc aname aenv default-environment-length))) + (when (> ret default-environment-length) + (free-alien aenv) + (setf aenv (make-alien tchar ret)) + (alien-funcall afunc aname aenv ret)) + (if (> ret 0) + (ucs2->string&free aenv ret) + nil)))))