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configure: Changes from running autconf after previous patch.
[wine/hacks.git] / dlls / version / install.c
blobd5c12eb9fe4db211c8cc7a4f89f39f9ebab36262
1 /*
2 * Implementation of VERSION.DLL - File Installer routines
3 *
4 * Copyright 1996,1997 Marcus Meissner
5 * Copyright 1997 David Cuthbert
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 *
21 * TODO
22 * o Check the installation functions.
23 */
24
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <stdio.h>
28 #include <string.h>
29
30 #include "windef.h"
31 #include "winbase.h"
32 #include "winver.h"
33 #include "winnls.h"
34 #include "wine/unicode.h"
35 #include "winerror.h"
36 #include "lzexpand.h"
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(ver);
40
41
42 /******************************************************************************
43 * testFileExistenceA
44 *
45 * Tests whether a given path/file combination exists. If the file does
46 * not exist, the return value is zero. If it does exist, the return
47 * value is non-zero.
48 *
49 * Revision history
50 * 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
51 * Original implementation
52 *
53 */
54 static int testFileExistenceA( char const * path, char const * file, BOOL excl )
55 {
56 char filename[1024];
57 int filenamelen;
58 OFSTRUCT fileinfo;
59
60 fileinfo.cBytes = sizeof(OFSTRUCT);
61
62 strcpy(filename, path);
63 filenamelen = strlen(filename);
64
65 /* Add a trailing \ if necessary */
66 if(filenamelen) {
67 if(filename[filenamelen - 1] != '\\')
68 strcat(filename, "\\");
69 }
70 else /* specify the current directory */
71 strcpy(filename, ".\\");
72
73 /* Create the full pathname */
74 strcat(filename, file);
75
76 return (OpenFile(filename, &fileinfo,
77 OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
78 }
79
80 /******************************************************************************
81 * testFileExistenceW
82 */
83 static int testFileExistenceW( const WCHAR *path, const WCHAR *file, BOOL excl )
84 {
85 char *filename;
86 DWORD pathlen, filelen;
87 int ret;
88 OFSTRUCT fileinfo;
89
90 fileinfo.cBytes = sizeof(OFSTRUCT);
91
92 pathlen = WideCharToMultiByte( CP_ACP, 0, path, -1, NULL, 0, NULL, NULL );
93 filelen = WideCharToMultiByte( CP_ACP, 0, file, -1, NULL, 0, NULL, NULL );
94 filename = HeapAlloc( GetProcessHeap(), 0, pathlen+filelen+2 );
95
96 WideCharToMultiByte( CP_ACP, 0, path, -1, filename, pathlen, NULL, NULL );
97 /* Add a trailing \ if necessary */
98 if (pathlen > 1)
99 {
100 if (filename[pathlen-2] != '\\') strcpy( &filename[pathlen-1], "\\" );
101 }
102 else /* specify the current directory */
103 strcpy(filename, ".\\");
104
105 WideCharToMultiByte( CP_ACP, 0, file, -1, filename+strlen(filename), filelen, NULL, NULL );
106
107 ret = (OpenFile(filename, &fileinfo,
108 OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
109 HeapFree( GetProcessHeap(), 0, filename );
110 return ret;
111 }
112
113 /*****************************************************************************
114 * VerFindFileA [VERSION.@]
115 *
116 * Determines where to install a file based on whether it locates another
117 * version of the file in the system. The values VerFindFile returns are
118 * used in a subsequent call to the VerInstallFile function.
119 *
120 * Revision history:
121 * 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
122 * Reimplementation of VerFindFile from original stub.
123 */
124 DWORD WINAPI VerFindFileA(
125 DWORD flags,
126 LPCSTR lpszFilename,
127 LPCSTR lpszWinDir,
128 LPCSTR lpszAppDir,
129 LPSTR lpszCurDir,
130 PUINT lpuCurDirLen,
131 LPSTR lpszDestDir,
132 PUINT lpuDestDirLen )
133 {
134 DWORD retval = 0;
135 const char *curDir;
136 const char *destDir;
137 unsigned int curDirSizeReq;
138 unsigned int destDirSizeReq;
139 char systemDir[MAX_PATH];
140
141 /* Print out debugging information */
142 TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
143 flags, debugstr_a(lpszFilename), debugstr_a(lpszWinDir), debugstr_a(lpszAppDir),
144 lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
145 lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );
146
147 /* Figure out where the file should go; shared files default to the
148 system directory */
149
150 GetSystemDirectoryA(systemDir, sizeof(systemDir));
151 curDir = "";
152 destDir = "";
153
154 if(flags & VFFF_ISSHAREDFILE)
155 {
156 destDir = systemDir;
157 /* Were we given a filename? If so, try to find the file. */
158 if(lpszFilename)
159 {
160 if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
161 else if(lpszAppDir && testFileExistenceA(lpszAppDir, lpszFilename, FALSE))
162 {
163 curDir = lpszAppDir;
164 retval |= VFF_CURNEDEST;
165 }
166 }
167 }
168 else /* not a shared file */
169 {
170 if(lpszAppDir)
171 {
172 destDir = lpszAppDir;
173 if(lpszFilename)
174 {
175 if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
176 else if(testFileExistenceA(systemDir, lpszFilename, FALSE))
177 {
178 curDir = systemDir;
179 retval |= VFF_CURNEDEST;
180 }
181 }
182 }
183 }
184
185 /* Check to see if the file exists and is in use by another application */
186 if (lpszFilename && testFileExistenceA(curDir, lpszFilename, FALSE)) {
187 if (lpszFilename && !testFileExistenceA(curDir, lpszFilename, TRUE))
188 retval |= VFF_FILEINUSE;
189 }
190
191 curDirSizeReq = strlen(curDir) + 1;
192 destDirSizeReq = strlen(destDir) + 1;
193
194 /* Make sure that the pointers to the size of the buffers are
195 valid; if not, do NOTHING with that buffer. If that pointer
196 is valid, then make sure that the buffer pointer is valid, too! */
197
198 if(lpuDestDirLen && lpszDestDir)
199 {
200 if (*lpuDestDirLen < destDirSizeReq) retval |= VFF_BUFFTOOSMALL;
201 lstrcpynA(lpszDestDir, destDir, *lpuDestDirLen);
202 *lpuDestDirLen = destDirSizeReq;
203 }
204 if(lpuCurDirLen && lpszCurDir)
205 {
206 if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
207 lstrcpynA(lpszCurDir, curDir, *lpuCurDirLen);
208 *lpuCurDirLen = curDirSizeReq;
209 }
210
211 TRACE("ret = %u (%s%s%s) curdir=%s destdir=%s\n", retval,
212 (retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
213 (retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
214 (retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
215 debugstr_a(lpszCurDir), debugstr_a(lpszDestDir));
216
217 return retval;
218 }
219
220 /*****************************************************************************
221 * VerFindFileW [VERSION.@]
222 */
223 DWORD WINAPI VerFindFileW( DWORD flags,LPCWSTR lpszFilename,LPCWSTR lpszWinDir,
224 LPCWSTR lpszAppDir, LPWSTR lpszCurDir,PUINT lpuCurDirLen,
225 LPWSTR lpszDestDir,PUINT lpuDestDirLen )
226 {
227 static const WCHAR emptyW;
228 DWORD retval = 0;
229 const WCHAR *curDir;
230 const WCHAR *destDir;
231 unsigned int curDirSizeReq;
232 unsigned int destDirSizeReq;
233 WCHAR systemDir[MAX_PATH];
234
235 /* Print out debugging information */
236 TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
237 flags, debugstr_w(lpszFilename), debugstr_w(lpszWinDir), debugstr_w(lpszAppDir),
238 lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
239 lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );
240
241 /* Figure out where the file should go; shared files default to the
242 system directory */
243
244 GetSystemDirectoryW(systemDir, sizeof(systemDir)/sizeof(WCHAR));
245 curDir = &emptyW;
246 destDir = &emptyW;
247
248 if(flags & VFFF_ISSHAREDFILE)
249 {
250 destDir = systemDir;
251 /* Were we given a filename? If so, try to find the file. */
252 if(lpszFilename)
253 {
254 if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
255 else if(lpszAppDir && testFileExistenceW(lpszAppDir, lpszFilename, FALSE))
256 {
257 curDir = lpszAppDir;
258 retval |= VFF_CURNEDEST;
259 }
260 }
261 }
262 else /* not a shared file */
263 {
264 if(lpszAppDir)
265 {
266 destDir = lpszAppDir;
267 if(lpszFilename)
268 {
269 if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
270 else if(testFileExistenceW(systemDir, lpszFilename, FALSE))
271 {
272 curDir = systemDir;
273 retval |= VFF_CURNEDEST;
274 }
275 }
276 }
277 }
278
279 if (lpszFilename && !testFileExistenceW(curDir, lpszFilename, TRUE))
280 retval |= VFF_FILEINUSE;
281
282 curDirSizeReq = strlenW(curDir) + 1;
283 destDirSizeReq = strlenW(destDir) + 1;
284
285 /* Make sure that the pointers to the size of the buffers are
286 valid; if not, do NOTHING with that buffer. If that pointer
287 is valid, then make sure that the buffer pointer is valid, too! */
288
289 if(lpuDestDirLen && lpszDestDir)
290 {
291 if (*lpuDestDirLen < destDirSizeReq) retval |= VFF_BUFFTOOSMALL;
292 lstrcpynW(lpszDestDir, destDir, *lpuDestDirLen);
293 *lpuDestDirLen = destDirSizeReq;
294 }
295 if(lpuCurDirLen && lpszCurDir)
296 {
297 if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
298 lstrcpynW(lpszCurDir, curDir, *lpuCurDirLen);
299 *lpuCurDirLen = curDirSizeReq;
300 }
301
302 TRACE("ret = %u (%s%s%s) curdir=%s destdir=%s\n", retval,
303 (retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
304 (retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
305 (retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
306 debugstr_w(lpszCurDir), debugstr_w(lpszDestDir));
307 return retval;
308 }
309
310 static LPBYTE
311 _fetch_versioninfo(LPSTR fn,VS_FIXEDFILEINFO **vffi) {
312 DWORD alloclen;
313 LPBYTE buf;
314 DWORD ret;
315
316 alloclen = 1000;
317 buf=HeapAlloc(GetProcessHeap(), 0, alloclen);
318 if(buf == NULL) {
319 WARN("Memory exausted while fetching version info!\n");
320 return NULL;
321 }
322 while (1) {
323 ret = GetFileVersionInfoA(fn,0,alloclen,buf);
324 if (!ret) {
325 HeapFree(GetProcessHeap(), 0, buf);
326 return NULL;
327 }
328 if (alloclen<*(WORD*)buf) {
329 alloclen = *(WORD*)buf;
330 HeapFree(GetProcessHeap(), 0, buf);
331 buf = HeapAlloc(GetProcessHeap(), 0, alloclen);
332 if(buf == NULL) {
333 WARN("Memory exausted while fetching version info!\n");
334 return NULL;
335 }
336 } else {
337 *vffi = (VS_FIXEDFILEINFO*)(buf+0x14);
338 if ((*vffi)->dwSignature == 0x004f0049) /* hack to detect unicode */
339 *vffi = (VS_FIXEDFILEINFO*)(buf+0x28);
340 if ((*vffi)->dwSignature != VS_FFI_SIGNATURE)
341 WARN("Bad VS_FIXEDFILEINFO signature 0x%08x\n",(*vffi)->dwSignature);
342 return buf;
343 }
344 }
345 }
346
347 static DWORD
348 _error2vif(DWORD error) {
349 switch (error) {
350 case ERROR_ACCESS_DENIED:
351 return VIF_ACCESSVIOLATION;
352 case ERROR_SHARING_VIOLATION:
353 return VIF_SHARINGVIOLATION;
354 default:
355 return 0;
356 }
357 }
358
359
360 /******************************************************************************
361 * VerInstallFileA [VERSION.@]
362 */
363 DWORD WINAPI VerInstallFileA(
364 DWORD flags,LPCSTR srcfilename,LPCSTR destfilename,LPCSTR srcdir,
365 LPCSTR destdir,LPCSTR curdir,LPSTR tmpfile,PUINT tmpfilelen )
366 {
367 LPCSTR pdest;
368 char destfn[260],tmpfn[260],srcfn[260];
369 HFILE hfsrc,hfdst;
370 DWORD attr,xret,tmplast;
371 LONG ret;
372 LPBYTE buf1,buf2;
373 OFSTRUCT ofs;
374
375 TRACE("(%x,%s,%s,%s,%s,%s,%p,%d)\n",
376 flags,srcfilename,destfilename,srcdir,destdir,curdir,tmpfile,*tmpfilelen
377 );
378 xret = 0;
379 sprintf(srcfn,"%s\\%s",srcdir,srcfilename);
380 if (!destdir || !*destdir) pdest = srcdir;
381 else pdest = destdir;
382 sprintf(destfn,"%s\\%s",pdest,destfilename);
383 hfsrc=LZOpenFileA(srcfn,&ofs,OF_READ);
384 if (hfsrc < 0)
385 return VIF_CANNOTREADSRC;
386 sprintf(tmpfn,"%s\\%s",pdest,destfilename);
387 tmplast=strlen(pdest)+1;
388 attr = GetFileAttributesA(tmpfn);
389 if (attr != INVALID_FILE_ATTRIBUTES) {
390 if (attr & FILE_ATTRIBUTE_READONLY) {
391 LZClose(hfsrc);
392 return VIF_WRITEPROT;
393 }
394 /* FIXME: check if file currently in use and return VIF_FILEINUSE */
395 }
396 attr = INVALID_FILE_ATTRIBUTES;
397 if (flags & VIFF_FORCEINSTALL) {
398 if (tmpfile[0]) {
399 sprintf(tmpfn,"%s\\%s",pdest,tmpfile);
400 tmplast = strlen(pdest)+1;
401 attr = GetFileAttributesA(tmpfn);
402 /* if it exists, it has been copied by the call before.
403 * we jump over the copy part...
404 */
405 }
406 }
407 if (attr == INVALID_FILE_ATTRIBUTES) {
408 char *s;
409
410 GetTempFileNameA(pdest,"ver",0,tmpfn); /* should not fail ... */
411 s=strrchr(tmpfn,'\\');
412 if (s)
413 tmplast = s-tmpfn;
414 else
415 tmplast = 0;
416 hfdst = OpenFile(tmpfn,&ofs,OF_CREATE);
417 if (hfdst == HFILE_ERROR) {
418 LZClose(hfsrc);
419 return VIF_CANNOTCREATE; /* | translated dos error */
420 }
421 ret = LZCopy(hfsrc,hfdst);
422 _lclose(hfdst);
423 if (ret < 0) {
424 /* translate LZ errors into VIF_xxx */
425 switch (ret) {
426 case LZERROR_BADINHANDLE:
427 case LZERROR_READ:
428 case LZERROR_BADVALUE:
429 case LZERROR_UNKNOWNALG:
430 xret = VIF_CANNOTREADSRC;
431 break;
432 case LZERROR_BADOUTHANDLE:
433 case LZERROR_WRITE:
434 xret = VIF_OUTOFSPACE;
435 break;
436 case LZERROR_GLOBALLOC:
437 case LZERROR_GLOBLOCK:
438 xret = VIF_OUTOFMEMORY;
439 break;
440 default: /* unknown error, should not happen */
441 FIXME("Unknown LZCopy error %d, ignoring.\n", ret);
442 xret = 0;
443 break;
444 }
445 if (xret) {
446 LZClose(hfsrc);
447 return xret;
448 }
449 }
450 }
451 xret = 0;
452 if (!(flags & VIFF_FORCEINSTALL)) {
453 VS_FIXEDFILEINFO *destvffi,*tmpvffi;
454 buf1 = _fetch_versioninfo(destfn,&destvffi);
455 if (buf1) {
456 buf2 = _fetch_versioninfo(tmpfn,&tmpvffi);
457 if (buf2) {
458 char *tbuf1,*tbuf2;
459 static const CHAR trans_array[] = "\\VarFileInfo\\Translation";
460 UINT len1,len2;
461
462 len1=len2=40;
463
464 /* compare file versions */
465 if ((destvffi->dwFileVersionMS > tmpvffi->dwFileVersionMS)||
466 ((destvffi->dwFileVersionMS==tmpvffi->dwFileVersionMS)&&
467 (destvffi->dwFileVersionLS > tmpvffi->dwFileVersionLS)
468 )
469 )
470 xret |= VIF_MISMATCH|VIF_SRCOLD;
471 /* compare filetypes and filesubtypes */
472 if ((destvffi->dwFileType!=tmpvffi->dwFileType) ||
473 (destvffi->dwFileSubtype!=tmpvffi->dwFileSubtype)
474 )
475 xret |= VIF_MISMATCH|VIF_DIFFTYPE;
476 if (VerQueryValueA(buf1,trans_array,(LPVOID*)&tbuf1,&len1) &&
477 VerQueryValueA(buf2,trans_array,(LPVOID*)&tbuf2,&len2)
478 ) {
479 /* Do something with tbuf1 and tbuf2
480 * generates DIFFLANG|MISMATCH
481 */
482 }
483 HeapFree(GetProcessHeap(), 0, buf2);
484 } else
485 xret=VIF_MISMATCH|VIF_SRCOLD;
486 HeapFree(GetProcessHeap(), 0, buf1);
487 }
488 }
489 if (xret) {
490 if (*tmpfilelen<strlen(tmpfn+tmplast)) {
491 xret|=VIF_BUFFTOOSMALL;
492 DeleteFileA(tmpfn);
493 } else {
494 strcpy(tmpfile,tmpfn+tmplast);
495 *tmpfilelen = strlen(tmpfn+tmplast)+1;
496 xret|=VIF_TEMPFILE;
497 }
498 } else {
499 if (INVALID_FILE_ATTRIBUTES!=GetFileAttributesA(destfn))
500 if (!DeleteFileA(destfn)) {
501 xret|=_error2vif(GetLastError())|VIF_CANNOTDELETE;
502 DeleteFileA(tmpfn);
503 LZClose(hfsrc);
504 return xret;
505 }
506 if ((!(flags & VIFF_DONTDELETEOLD)) &&
507 curdir &&
508 *curdir &&
509 lstrcmpiA(curdir,pdest)
510 ) {
511 char curfn[260];
512
513 sprintf(curfn,"%s\\%s",curdir,destfilename);
514 if (INVALID_FILE_ATTRIBUTES != GetFileAttributesA(curfn)) {
515 /* FIXME: check if in use ... if it is, VIF_CANNOTDELETECUR */
516 if (!DeleteFileA(curfn))
517 xret|=_error2vif(GetLastError())|VIF_CANNOTDELETECUR;
518 }
519 }
520 if (!MoveFileA(tmpfn,destfn)) {
521 xret|=_error2vif(GetLastError())|VIF_CANNOTRENAME;
522 DeleteFileA(tmpfn);
523 }
524 }
525 LZClose(hfsrc);
526 return xret;
527 }
528
529
530 /******************************************************************************
531 * VerInstallFileW [VERSION.@]
532 */
533 DWORD WINAPI VerInstallFileW(
534 DWORD flags,LPCWSTR srcfilename,LPCWSTR destfilename,LPCWSTR srcdir,
535 LPCWSTR destdir,LPCWSTR curdir,LPWSTR tmpfile,PUINT tmpfilelen )
536 {
537 LPSTR wsrcf = NULL, wsrcd = NULL, wdestf = NULL, wdestd = NULL, wtmpf = NULL, wcurd = NULL;
538 DWORD ret = 0;
539 UINT len;
540
541 if (srcfilename)
542 {
543 len = WideCharToMultiByte( CP_ACP, 0, srcfilename, -1, NULL, 0, NULL, NULL );
544 if ((wsrcf = HeapAlloc( GetProcessHeap(), 0, len )))
545 WideCharToMultiByte( CP_ACP, 0, srcfilename, -1, wsrcf, len, NULL, NULL );
546 else
547 ret = VIF_OUTOFMEMORY;
548 }
549 if (srcdir && !ret)
550 {
551 len = WideCharToMultiByte( CP_ACP, 0, srcdir, -1, NULL, 0, NULL, NULL );
552 if ((wsrcd = HeapAlloc( GetProcessHeap(), 0, len )))
553 WideCharToMultiByte( CP_ACP, 0, srcdir, -1, wsrcd, len, NULL, NULL );
554 else
555 ret = VIF_OUTOFMEMORY;
556 }
557 if (destfilename && !ret)
558 {
559 len = WideCharToMultiByte( CP_ACP, 0, destfilename, -1, NULL, 0, NULL, NULL );
560 if ((wdestf = HeapAlloc( GetProcessHeap(), 0, len )))
561 WideCharToMultiByte( CP_ACP, 0, destfilename, -1, wdestf, len, NULL, NULL );
562 else
563 ret = VIF_OUTOFMEMORY;
564 }
565 if (destdir && !ret)
566 {
567 len = WideCharToMultiByte( CP_ACP, 0, destdir, -1, NULL, 0, NULL, NULL );
568 if ((wdestd = HeapAlloc( GetProcessHeap(), 0, len )))
569 WideCharToMultiByte( CP_ACP, 0, destdir, -1, wdestd, len, NULL, NULL );
570 else
571 ret = VIF_OUTOFMEMORY;
572 }
573 if (curdir && !ret)
574 {
575 len = WideCharToMultiByte( CP_ACP, 0, curdir, -1, NULL, 0, NULL, NULL );
576 if ((wcurd = HeapAlloc( GetProcessHeap(), 0, len )))
577 WideCharToMultiByte( CP_ACP, 0, curdir, -1, wcurd, len, NULL, NULL );
578 else
579 ret = VIF_OUTOFMEMORY;
580 }
581 if (!ret)
582 {
583 len = *tmpfilelen * sizeof(WCHAR);
584 wtmpf = HeapAlloc( GetProcessHeap(), 0, len );
585 if (!wtmpf)
586 ret = VIF_OUTOFMEMORY;
587 }
588 if (!ret)
589 ret = VerInstallFileA(flags,wsrcf,wdestf,wsrcd,wdestd,wcurd,wtmpf,&len);
590 if (!ret)
591 *tmpfilelen = MultiByteToWideChar( CP_ACP, 0, wtmpf, -1, tmpfile, *tmpfilelen );
592 else if (ret & VIF_BUFFTOOSMALL)
593 *tmpfilelen = len; /* FIXME: not correct */
594
595 HeapFree( GetProcessHeap(), 0, wsrcf );
596 HeapFree( GetProcessHeap(), 0, wsrcd );
597 HeapFree( GetProcessHeap(), 0, wdestf );
598 HeapFree( GetProcessHeap(), 0, wdestd );
599 HeapFree( GetProcessHeap(), 0, wtmpf );
600 HeapFree( GetProcessHeap(), 0, wcurd );
601 return ret;
602 }
useful hacks and other patches not (yet) suitable for mainline