1 ;;;; This file contains Win32 support routines that SBCL needs to
2 ;;;; implement itself, in addition to those that apply to Win32 in
3 ;;;; unix.lisp. In theory, some of these functions might someday be
4 ;;;; useful to the end user.
6 ;;;; This software is part of the SBCL system. See the README file for
9 ;;;; This software is derived from the CMU CL system, which was
10 ;;;; written at Carnegie Mellon University and released into the
11 ;;;; public domain. The software is in the public domain and is
12 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
13 ;;;; files for more information.
15 (in-package "SB!WIN32")
17 ;;; Alien definitions for commonly used Win32 types. Woe unto whoever
18 ;;; tries to untangle this someday for 64-bit Windows.
19 (define-alien-type int-ptr long)
20 (define-alien-type handle int-ptr)
21 (define-alien-type dword unsigned-long)
22 (define-alien-type bool int)
23 (define-alien-type UINT unsigned-int)
24 (define-alien-type tchar #!+sb-unicode (sb!alien:unsigned 16)
27 (defconstant default-environment-length 1024)
29 ;;; HANDLEs are actually pointers, but an invalid handle is -1 cast
31 (defconstant invalid-handle -1)
35 ;;; Retrieve the calling thread's last-error code value. The
36 ;;; last-error code is maintained on a per-thread basis.
37 (define-alien-routine ("GetLastError@0" get-last-error) dword)
39 ;;; Flag constants for FORMAT-MESSAGE.
40 (defconstant format-message-from-system #x1000)
42 ;;; Format an error message based on a lookup table. See MSDN for the
43 ;;; full meaning of the all options---most are not used when getting
44 ;;; system error codes.
45 (define-alien-routine ("FormatMessageA@28" format-message) dword
56 ;;; Get the operating system handle for a C file descriptor. Returns
57 ;;; INVALID-HANDLE on failure.
58 (define-alien-routine ("_get_osfhandle" get-osfhandle) handle
61 ;;; Read data from a file handle into a buffer. This may be used
62 ;;; synchronously or with "overlapped" (asynchronous) I/O.
63 (define-alien-routine ("ReadFile@20" read-file) bool
67 (bytes-read (* dword))
70 ;;; Write data from a buffer to a file handle. This may be used
71 ;;; synchronously or with "overlapped" (asynchronous) I/O.
72 (define-alien-routine ("WriteFile@20" write-file) bool
75 (bytes-to-write dword)
76 (bytes-written (* dword))
79 ;;; Copy data from a named or anonymous pipe into a buffer without
80 ;;; removing it from the pipe. BUFFER, BYTES-READ, BYTES-AVAIL, and
81 ;;; BYTES-LEFT-THIS-MESSAGE may be NULL if no data is to be read.
82 ;;; Return TRUE on success, FALSE on failure.
83 (define-alien-routine ("PeekNamedPipe@24" peek-named-pipe) bool
87 (bytes-read (* dword))
88 (bytes-avail (* dword))
89 (bytes-left-this-message (* dword)))
91 ;;; Flush the console input buffer if HANDLE is a console handle.
92 ;;; Returns true on success, false if the handle does not refer to a
94 (define-alien-routine ("FlushConsoleInputBuffer@4" flush-console-input-buffer) bool
97 ;;; Read data from the console input buffer without removing it,
98 ;;; without blocking. Buffer should be large enough for LENGTH *
99 ;;; INPUT-RECORD-SIZE bytes.
100 (define-alien-routine ("PeekConsoleInputA@16" peek-console-input) bool
106 ;;; Listen for input on a Windows file handle. Unlike UNIX, there
107 ;;; isn't a unified interface to do this---we have to know what sort
108 ;;; of handle we have. Of course, there's no way to actually
109 ;;; introspect it, so we have to try various things until we find
110 ;;; something that works. Returns true if there could be input
111 ;;; available, or false if there is not.
112 (defun handle-listen (handle)
113 (with-alien ((avail dword)
114 (buf (array char #.input-record-size)))
115 (unless (zerop (peek-named-pipe handle nil 0 nil (addr avail) nil))
116 (return-from handle-listen (plusp avail)))
118 (unless (zerop (peek-console-input handle (cast buf (* t)) input-record-size (addr avail)))
119 (return-from handle-listen (plusp avail)))
121 ;; FIXME-SOCKETS: Try again here with WSAEventSelect in case
122 ;; HANDLE is a socket.
125 ;;; Listen for input on a C runtime file handle. Returns true if
126 ;;; there could be input available, or false if there is not.
127 (defun fd-listen (fd)
128 (let ((handle (get-osfhandle fd)))
130 (handle-listen handle)
133 ;;; Clear all available input from a file handle.
134 (defun handle-clear-input (handle)
135 (flush-console-input-buffer handle)
136 (with-alien ((buf (array char 1024))
139 (unless (handle-listen handle)
141 (when (zerop (read-file handle (cast buf (* t)) 1024 (addr count) nil))
146 ;;; Clear all available input from a C runtime file handle.
147 (defun fd-clear-input (fd)
148 (let ((handle (get-osfhandle fd)))
150 (handle-clear-input handle))))
152 ;;;; System Functions
154 ;;; Sleep for MILLISECONDS milliseconds.
155 (define-alien-routine ("Sleep@4" millisleep) void
156 (milliseconds dword))
158 #!+sb-unicode (defvar *ANSI-CODEPAGE* nil)
159 #!+sb-unicode (defvar *OEM-CODEPAGE* nil)
162 (defparameter *codepage-to-external-format* (make-hash-table))
166 '(;;037 IBM EBCDIC - U.S./Canada
167 (437 :CP437) ;; OEM - United States
168 ;;500 IBM EBCDIC - International
169 ;;708 Arabic - ASMO 708
170 ;;709 Arabic - ASMO 449+, BCON V4
171 ;;710 Arabic - Transparent Arabic
172 ;;720 Arabic - Transparent ASMO
173 ;;737 OEM - Greek (formerly 437G)
175 (850 :CP850) ;; OEM - Multilingual Latin I
176 (852 :CP852) ;; OEM - Latin II
177 (855 :CP855) ;; OEM - Cyrillic (primarily Russian)
178 (857 :CP857) ;; OEM - Turkish
179 ;;858 OEM - Multilingual Latin I + Euro symbol
180 (860 :CP860) ;; OEM - Portuguese
181 (861 :CP861) ;; OEM - Icelandic
182 (862 :CP862) ;; OEM - Hebrew
183 (863 :CP863) ;; OEM - Canadian-French
184 (864 :CP864) ;; OEM - Arabic
185 (865 :CP865) ;; OEM - Nordic
186 (866 :CP866) ;; OEM - Russian
187 (869 :CP869) ;; OEM - Modern Greek
188 ;;870 IBM EBCDIC - Multilingual/ROECE (Latin-2)
189 (874 :CP874) ;; ANSI/OEM - Thai (same as 28605, ISO 8859-15)
190 ;;875 IBM EBCDIC - Modern Greek
191 ;;932 ANSI/OEM - Japanese, Shift-JIS
192 ;;936 ANSI/OEM - Simplified Chinese (PRC, Singapore)
193 ;;949 ANSI/OEM - Korean (Unified Hangul Code)
194 ;;950 ANSI/OEM - Traditional Chinese (Taiwan; Hong Kong SAR, PRC)
195 ;;1026 IBM EBCDIC - Turkish (Latin-5)
196 ;;1047 IBM EBCDIC - Latin 1/Open System
197 ;;1140 IBM EBCDIC - U.S./Canada (037 + Euro symbol)
198 ;;1141 IBM EBCDIC - Germany (20273 + Euro symbol)
199 ;;1142 IBM EBCDIC - Denmark/Norway (20277 + Euro symbol)
200 ;;1143 IBM EBCDIC - Finland/Sweden (20278 + Euro symbol)
201 ;;1144 IBM EBCDIC - Italy (20280 + Euro symbol)
202 ;;1145 IBM EBCDIC - Latin America/Spain (20284 + Euro symbol)
203 ;;1146 IBM EBCDIC - United Kingdom (20285 + Euro symbol)
204 ;;1147 IBM EBCDIC - France (20297 + Euro symbol)
205 ;;1148 IBM EBCDIC - International (500 + Euro symbol)
206 ;;1149 IBM EBCDIC - Icelandic (20871 + Euro symbol)
207 ;;1200 Unicode UCS-2 Little-Endian (BMP of ISO 10646)
208 ;;1201 Unicode UCS-2 Big-Endian
209 (1250 :CP1250) ;; ANSI - Central European
210 (1251 :CP1251) ;; ANSI - Cyrillic
211 (1252 :CP1252) ;; ANSI - Latin I
212 (1253 :CP1253) ;; ANSI - Greek
213 (1254 :CP1254) ;; ANSI - Turkish
214 (1255 :CP1255) ;; ANSI - Hebrew
215 (1256 :CP1256) ;; ANSI - Arabic
216 (1257 :CP1257) ;; ANSI - Baltic
217 (1258 :CP1258) ;; ANSI/OEM - Vietnamese
218 ;;1361 Korean (Johab)
220 ;;10001 MAC - Japanese
221 ;;10002 MAC - Traditional Chinese (Big5)
225 ;;10006 MAC - Greek I
226 (10007 :X-MAC-CYRILLIC) ;; MAC - Cyrillic
227 ;;10008 MAC - Simplified Chinese (GB 2312)
228 ;;10010 MAC - Romania
229 ;;10017 MAC - Ukraine
231 ;;10029 MAC - Latin II
232 ;;10079 MAC - Icelandic
233 ;;10081 MAC - Turkish
234 ;;10082 MAC - Croatia
235 ;;12000 Unicode UCS-4 Little-Endian
236 ;;12001 Unicode UCS-4 Big-Endian
239 ;;20002 Eten - Taiwan
240 ;;20003 IBM5550 - Taiwan
241 ;;20004 TeleText - Taiwan
242 ;;20005 Wang - Taiwan
243 ;;20105 IA5 IRV International Alphabet No. 5 (7-bit)
244 ;;20106 IA5 German (7-bit)
245 ;;20107 IA5 Swedish (7-bit)
246 ;;20108 IA5 Norwegian (7-bit)
247 ;;20127 US-ASCII (7-bit)
249 ;;20269 ISO 6937 Non-Spacing Accent
250 ;;20273 IBM EBCDIC - Germany
251 ;;20277 IBM EBCDIC - Denmark/Norway
252 ;;20278 IBM EBCDIC - Finland/Sweden
253 ;;20280 IBM EBCDIC - Italy
254 ;;20284 IBM EBCDIC - Latin America/Spain
255 ;;20285 IBM EBCDIC - United Kingdom
256 ;;20290 IBM EBCDIC - Japanese Katakana Extended
257 ;;20297 IBM EBCDIC - France
258 ;;20420 IBM EBCDIC - Arabic
259 ;;20423 IBM EBCDIC - Greek
260 ;;20424 IBM EBCDIC - Hebrew
261 ;;20833 IBM EBCDIC - Korean Extended
262 ;;20838 IBM EBCDIC - Thai
263 (20866 :KOI8-R) ;; Russian - KOI8-R
264 ;;20871 IBM EBCDIC - Icelandic
265 ;;20880 IBM EBCDIC - Cyrillic (Russian)
266 ;;20905 IBM EBCDIC - Turkish
267 ;;20924 IBM EBCDIC - Latin-1/Open System (1047 + Euro symbol)
268 ;;20932 JIS X 0208-1990 & 0121-1990
269 ;;20936 Simplified Chinese (GB2312)
270 ;;21025 IBM EBCDIC - Cyrillic (Serbian, Bulgarian)
272 (21866 :KOI8-U) ;; Ukrainian (KOI8-U)
273 (28591 :LATIN-1) ;; ISO 8859-1 Latin I
274 (28592 :ISO-8859-2) ;; ISO 8859-2 Central Europe
275 (28593 :ISO-8859-3) ;; ISO 8859-3 Latin 3
276 (28594 :ISO-8859-4) ;; ISO 8859-4 Baltic
277 (28595 :ISO-8859-5) ;; ISO 8859-5 Cyrillic
278 (28596 :ISO-8859-6) ;; ISO 8859-6 Arabic
279 (28597 :ISO-8859-7) ;; ISO 8859-7 Greek
280 (28598 :ISO-8859-8) ;; ISO 8859-8 Hebrew
281 (28599 :ISO-8859-9) ;; ISO 8859-9 Latin 5
282 (28605 :LATIN-9) ;; ISO 8859-15 Latin 9
284 (38598 :ISO-8859-8) ;; ISO 8859-8 Hebrew
285 ;;50220 ISO 2022 Japanese with no halfwidth Katakana
286 ;;50221 ISO 2022 Japanese with halfwidth Katakana
287 ;;50222 ISO 2022 Japanese JIS X 0201-1989
288 ;;50225 ISO 2022 Korean
289 ;;50227 ISO 2022 Simplified Chinese
290 ;;50229 ISO 2022 Traditional Chinese
291 ;;50930 Japanese (Katakana) Extended
292 ;;50931 US/Canada and Japanese
293 ;;50933 Korean Extended and Korean
294 ;;50935 Simplified Chinese Extended and Simplified Chinese
295 ;;50936 Simplified Chinese
296 ;;50937 US/Canada and Traditional Chinese
297 ;;50939 Japanese (Latin) Extended and Japanese
298 (51932 :EUC-JP) ;; EUC - Japanese
299 ;;51936 EUC - Simplified Chinese
301 ;;51950 EUC - Traditional Chinese
302 ;;52936 HZ-GB2312 Simplified Chinese
303 ;;54936 Windows XP: GB18030 Simplified Chinese (4 Byte)
304 ;;57002 ISCII Devanagari
305 ;;57003 ISCII Bengali
308 ;;57006 ISCII Assamese
310 ;;57008 ISCII Kannada
311 ;;57009 ISCII Malayalam
312 ;;57010 ISCII Gujarati
313 ;;57011 ISCII Punjabi
314 ;;65000 Unicode UTF-7
315 (65001 :UTF8))) ;; Unicode UTF-8
316 (setf (gethash (car cp) *codepage-to-external-format*) (cadr cp)))
319 (declaim (ftype (function () keyword) ansi-codepage))
321 (defun ansi-codepage ()
323 (setq *ANSI-CODEPAGE*
325 (gethash (alien-funcall (extern-alien "GetACP@0" (function UINT)))
326 *codepage-to-external-format*)
330 (declaim (ftype (function () keyword) oem-codepage))
332 (defun oem-codepage ()
336 (gethash (alien-funcall (extern-alien "GetOEMCP@0" (function UINT)))
337 *codepage-to-external-format*)
340 ;; http://msdn.microsoft.com/library/en-us/dllproc/base/getconsolecp.asp
341 (declaim (ftype (function () keyword) console-input-codepage))
342 (defun console-input-codepage ()
344 (gethash (alien-funcall (extern-alien "GetConsoleCP@0" (function UINT)))
345 *codepage-to-external-format*)
348 ;; http://msdn.microsoft.com/library/en-us/dllproc/base/getconsoleoutputcp.asp
349 (declaim (ftype (function () keyword) console-output-codepage))
350 (defun console-output-codepage ()
352 (gethash (alien-funcall (extern-alien "GetConsoleOutputCP@0" (function UINT)))
353 *codepage-to-external-format*)
356 ;;;; FIXME (rudi 2006-03-29): this should really be (octets-to-string
357 ;;;; :external-format :ucs2), except that we do not have an
358 ;;;; implementation of ucs2 yet.
359 (defmacro ucs2->string (astr &optional size)
361 (declare (ignore size))
363 `(cast ,astr c-string)
365 (let ((str-len (or size `(do ((i 0 (1+ i))) ((zerop (deref ,astr i)) i)))))
368 (dotimes (i l) (setf (aref s i) (code-char (deref ,astr i))))
371 (defmacro ucs2->string&free (astr &optional size)
372 `(prog1 (ucs2->string ,astr ,size) (free-alien ,astr)))
374 (define-alien-routine ("LocalFree@4" local-free) void
377 (defun get-last-error-message (err)
378 "http://msdn.microsoft.com/library/default.asp?url=/library/en-us/debug/base/retrieving_the_last_error_code.asp"
379 (with-alien ((amsg (* tchar)))
382 (extern-alien #!+sb-unicode "FormatMessageW@28"
383 #!-sb-unicode "FormatMessageA@28"
385 dword dword dword dword (* (* tchar)) dword dword))
386 (logior FORMAT_MESSAGE_ALLOCATE_BUFFER FORMAT_MESSAGE_FROM_SYSTEM)
387 0 err 0 (addr amsg) 0 0)))
388 (prog1 (ucs2->string amsg nchars)
389 (local-free amsg)))))
391 (defmacro win32-error (func-name)
392 `(let ((err-code (sb!win32::get-last-error)))
393 (error "~%Win32 Error [~A] - ~A~%~A"
396 (sb!win32::get-last-error-message err-code))))
398 (defun get-folder-path (CSIDL)
399 "http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/reference/functions/shgetfolderpath.asp"
400 (with-alien ((apath (* tchar) (make-alien tchar (1+ MAX_PATH))))
402 (extern-alien #!-sb-unicode "SHGetFolderPathA@20"
403 #!+sb-unicode "SHGetFolderPathW@20"
404 (function int handle int handle dword (* tchar)))
406 (concatenate 'string (ucs2->string&free apath) "\\")))
408 (defun sb!unix:posix-getcwd ()
409 (with-alien ((apath (* tchar) (make-alien tchar (1+ MAX_PATH)))
410 (afunc (function dword dword (* tchar))
411 :extern #!-sb-unicode "GetCurrentDirectoryA@8"
412 #!+sb-unicode "GetCurrentDirectoryW@8"))
413 (let ((ret (alien-funcall afunc (1+ MAX_PATH) apath)))
415 (win32-error "GetCurrentDirectory"))
416 (when (> ret (1+ MAX_PATH))
418 (setf apath (make-alien tchar ret))
419 (alien-funcall afunc ret apath))
420 (ucs2->string&free apath ret))))
422 (defun sb!unix:unix-mkdir (name mode)
423 (declare (type sb!unix:unix-pathname name)
424 (type sb!unix:unix-file-mode mode)
426 (let ((name-length (length name)))
427 (with-alien ((apath (* tchar) (make-alien tchar (1+ name-length))))
428 (dotimes (i name-length) (setf (deref apath i) (char-code (aref name i))))
429 (setf (deref apath name-length) 0)
431 (zerop (alien-funcall
432 (extern-alien #!-sb-unicode "CreateDirectoryA@8"
433 #!+sb-unicode "CreateDirectoryW@8"
434 (function bool (* tchar) dword))
436 (win32-error "CreateDirectory"))
439 (defun sb!unix:unix-rename (name1 name2)
440 (declare (type sb!unix:unix-pathname name1 name2))
441 (let ((name-length1 (length name1))
442 (name-length2 (length name2)))
443 (with-alien ((apath1 (* tchar) (make-alien tchar (1+ name-length1)))
444 (apath2 (* tchar) (make-alien tchar (1+ name-length2))))
445 (dotimes (i name-length1) (setf (deref apath1 i) (char-code (aref name1 i))))
446 (setf (deref apath1 name-length1) 0)
447 (dotimes (i name-length2) (setf (deref apath2 i) (char-code (aref name2 i))))
448 (setf (deref apath2 name-length2) 0)
450 (zerop (alien-funcall
451 (extern-alien #!-sb-unicode "MoveFileA@8"
452 #!+sb-unicode "MoveFileW@8"
453 (function bool (* tchar) (* tchar)))
455 (win32-error "MoveFile"))
459 (defun sb!unix::posix-getenv (name)
460 (declare (type simple-string name))
461 (let ((name-length (length name)))
462 (with-alien ((aname (* tchar) (make-alien tchar (1+ name-length)))
463 (aenv (* tchar) (make-alien tchar default-environment-length))
464 (afunc (function dword (* tchar) (* tchar) dword)
465 :extern #!-sb-unicode "GetEnvironmentVariableA@12"
466 #!+sb-unicode "GetEnvironmentVariableW@12"))
467 (dotimes (i name-length) (setf (deref aname i) (char-code (aref name i))))
468 (setf (deref aname name-length) 0)
469 (let ((ret (alien-funcall afunc aname aenv default-environment-length)))
470 (when (> ret default-environment-length)
472 (setf aenv (make-alien tchar ret))
473 (alien-funcall afunc aname aenv ret))
475 (ucs2->string&free aenv ret)