Changed the version resource to be created in the common way.
[wine/multimedia.git] / files / directory.c
blob6c9f80bd46edc1191ee8d8e01b90d6ca4e51a438
1 /*
2 * DOS directories functions
4 * Copyright 1995 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "config.h"
23 #include <ctype.h>
24 #include <stdlib.h>
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <string.h>
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #ifdef HAVE_UNISTD_H
31 # include <unistd.h>
32 #endif
33 #include <errno.h>
34 #ifdef HAVE_SYS_ERRNO_H
35 #include <sys/errno.h>
36 #endif
38 #include "ntstatus.h"
39 #include "windef.h"
40 #include "winbase.h"
41 #include "wine/winbase16.h"
42 #include "wingdi.h"
43 #include "wine/winuser16.h"
44 #include "winerror.h"
45 #include "winreg.h"
46 #include "winternl.h"
47 #include "wine/unicode.h"
48 #include "drive.h"
49 #include "file.h"
50 #include "wine/debug.h"
52 WINE_DEFAULT_DEBUG_CHANNEL(dosfs);
53 WINE_DECLARE_DEBUG_CHANNEL(file);
55 static DOS_FULL_NAME DIR_Windows;
56 static DOS_FULL_NAME DIR_System;
58 /***********************************************************************
59 * FILE_contains_pathW
61 inline static int FILE_contains_pathW (LPCWSTR name)
63 return ((*name && (name[1] == ':')) ||
64 strchrW (name, '/') || strchrW (name, '\\'));
67 /***********************************************************************
68 * DIR_GetPath
70 * Get a path name from the wine.ini file and make sure it is valid.
72 static int DIR_GetPath( HKEY hkey, LPCWSTR keyname, LPCWSTR defval, DOS_FULL_NAME *full_name,
73 LPWSTR longname, INT longname_len, BOOL warn )
75 UNICODE_STRING nameW;
76 DWORD dummy;
77 WCHAR tmp[MAX_PATHNAME_LEN];
78 BY_HANDLE_FILE_INFORMATION info;
79 const WCHAR *path = defval;
80 const char *mess = "does not exist";
82 RtlInitUnicodeString( &nameW, keyname );
83 if (hkey && !NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
84 path = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
86 if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
87 (!FILE_Stat( full_name->long_name, &info, NULL ) && (mess=strerror(errno)))||
88 (!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && (mess="not a directory")) ||
89 (!(GetLongPathNameW(full_name->short_name, longname, longname_len))) )
91 if (warn)
93 MESSAGE("Invalid path %s for %s directory: %s.\n",
94 debugstr_w(path), debugstr_w(keyname), mess);
95 MESSAGE("Perhaps you have not properly edited your Wine configuration file (%s/config)\n",
96 wine_get_config_dir());
98 return 0;
100 return 1;
104 /***********************************************************************
105 * DIR_Init
107 int DIR_Init(void)
109 OBJECT_ATTRIBUTES attr;
110 UNICODE_STRING nameW;
111 HKEY hkey;
112 char path[MAX_PATHNAME_LEN];
113 WCHAR longpath[MAX_PATHNAME_LEN];
114 DOS_FULL_NAME tmp_dir, profile_dir;
115 int drive;
116 const char *cwd;
117 static const WCHAR wineW[] = {'M','a','c','h','i','n','e','\\',
118 'S','o','f','t','w','a','r','e','\\',
119 'W','i','n','e','\\','W','i','n','e','\\',
120 'C','o','n','f','i','g','\\','W','i','n','e',0};
121 static const WCHAR windowsW[] = {'w','i','n','d','o','w','s',0};
122 static const WCHAR systemW[] = {'s','y','s','t','e','m',0};
123 static const WCHAR tempW[] = {'t','e','m','p',0};
124 static const WCHAR profileW[] = {'p','r','o','f','i','l','e',0};
125 static const WCHAR windows_dirW[] = {'c',':','\\','w','i','n','d','o','w','s',0};
126 static const WCHAR system_dirW[] = {'c',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',0};
127 static const WCHAR pathW[] = {'p','a','t','h',0};
128 static const WCHAR path_dirW[] = {'c',':','\\','w','i','n','d','o','w','s',';',
129 'c',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',0};
130 static const WCHAR path_capsW[] = {'P','A','T','H',0};
131 static const WCHAR temp_capsW[] = {'T','E','M','P',0};
132 static const WCHAR tmp_capsW[] = {'T','M','P',0};
133 static const WCHAR windirW[] = {'w','i','n','d','i','r',0};
134 static const WCHAR winsysdirW[] = {'w','i','n','s','y','s','d','i','r',0};
135 static const WCHAR userprofileW[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
136 static const WCHAR systemrootW[] = {'S','Y','S','T','E','M','R','O','O','T',0};
137 static const WCHAR wcmdW[] = {'\\','w','c','m','d','.','e','x','e',0};
138 static const WCHAR comspecW[] = {'C','O','M','S','P','E','C',0};
139 static const WCHAR empty_strW[] = { 0 };
141 if (!getcwd( path, MAX_PATHNAME_LEN ))
143 perror( "Could not get current directory" );
144 return 0;
146 cwd = path;
147 if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
149 MESSAGE("Warning: could not find wine config [Drive x] entry "
150 "for current working directory %s; "
151 "starting in windows directory.\n", cwd );
153 else
155 WCHAR szdrive[3]={drive+'A',':',0};
156 MultiByteToWideChar(CP_UNIXCP, 0, cwd, -1, longpath, MAX_PATHNAME_LEN);
157 DRIVE_SetCurrentDrive( drive );
158 DRIVE_Chdir( drive, longpath );
159 if(GetDriveTypeW(szdrive)==DRIVE_CDROM)
160 chdir("/"); /* change to root directory so as not to lock cdroms */
163 attr.Length = sizeof(attr);
164 attr.RootDirectory = 0;
165 attr.ObjectName = &nameW;
166 attr.Attributes = 0;
167 attr.SecurityDescriptor = NULL;
168 attr.SecurityQualityOfService = NULL;
170 RtlInitUnicodeString( &nameW, wineW );
171 if (NtCreateKey( &hkey, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL )) hkey = 0;
173 if (!(DIR_GetPath( hkey, windowsW, windows_dirW, &DIR_Windows, longpath, MAX_PATHNAME_LEN, TRUE )) ||
174 !(DIR_GetPath( hkey, systemW, system_dirW, &DIR_System, longpath, MAX_PATHNAME_LEN, TRUE )) ||
175 !(DIR_GetPath( hkey, tempW, windows_dirW, &tmp_dir, longpath, MAX_PATHNAME_LEN, TRUE )))
177 if (hkey) NtClose( hkey );
178 return 0;
180 if (-1 == access( tmp_dir.long_name, W_OK ))
182 if (errno==EACCES)
184 MESSAGE("Warning: the temporary directory '%s' specified in your\n"
185 "configuration file (%s) is not writeable.\n",
186 tmp_dir.long_name, wine_get_config_dir() );
188 else
189 MESSAGE("Warning: access to temporary directory '%s' failed (%s).\n",
190 tmp_dir.long_name, strerror(errno));
193 if (drive == -1)
195 drive = DIR_Windows.drive;
196 DRIVE_SetCurrentDrive( drive );
197 DRIVE_Chdir( drive, DIR_Windows.short_name + 2 );
200 /* Set the environment variables */
202 /* set COMSPEC only if it doesn't exist already */
203 if (!GetEnvironmentVariableW( comspecW, NULL, 0 ))
205 strcpyW( longpath, DIR_System.short_name );
206 strcatW( longpath, wcmdW );
207 SetEnvironmentVariableW( comspecW, longpath );
210 /* set PATH only if not set already */
211 if (!GetEnvironmentVariableW( path_capsW, NULL, 0 ))
213 WCHAR tmp[MAX_PATHNAME_LEN];
214 DWORD dummy;
215 const WCHAR *path = path_dirW;
217 RtlInitUnicodeString( &nameW, pathW );
218 if (hkey && !NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
219 tmp, sizeof(tmp), &dummy ))
221 path = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
224 if (strchrW(path, '/'))
226 MESSAGE("Fix your wine config (%s/config) to use DOS drive syntax in [wine] 'Path=' statement! (no '/' allowed)\n", wine_get_config_dir() );
227 ExitProcess(1);
229 SetEnvironmentVariableW( path_capsW, path );
230 TRACE("Path = %s\n", debugstr_w(path) );
233 SetEnvironmentVariableW( temp_capsW, tmp_dir.short_name );
234 SetEnvironmentVariableW( tmp_capsW, tmp_dir.short_name );
235 SetEnvironmentVariableW( windirW, DIR_Windows.short_name );
236 SetEnvironmentVariableW( winsysdirW, DIR_System.short_name );
238 TRACE("WindowsDir = %s (%s)\n",
239 debugstr_w(DIR_Windows.short_name), DIR_Windows.long_name );
240 TRACE("SystemDir = %s (%s)\n",
241 debugstr_w(DIR_System.short_name), DIR_System.long_name );
242 TRACE("TempDir = %s (%s)\n",
243 debugstr_w(tmp_dir.short_name), tmp_dir.long_name );
244 TRACE("Cwd = %c:\\%s\n",
245 'A' + drive, debugstr_w(DRIVE_GetDosCwd(drive)) );
247 if (DIR_GetPath( hkey, profileW, empty_strW, &profile_dir, longpath, MAX_PATHNAME_LEN, FALSE ))
249 TRACE("USERPROFILE= %s\n", debugstr_w(longpath) );
250 SetEnvironmentVariableW( userprofileW, longpath );
253 TRACE("SYSTEMROOT = %s\n", debugstr_w(DIR_Windows.short_name) );
254 SetEnvironmentVariableW( systemrootW, DIR_Windows.short_name );
255 if (hkey) NtClose( hkey );
257 return 1;
261 /***********************************************************************
262 * GetTempPathA (KERNEL32.@)
264 UINT WINAPI GetTempPathA( UINT count, LPSTR path )
266 WCHAR pathW[MAX_PATH];
267 UINT ret;
269 ret = GetTempPathW(MAX_PATH, pathW);
271 if (!ret)
272 return 0;
274 if (ret > MAX_PATH)
276 SetLastError(ERROR_FILENAME_EXCED_RANGE);
277 return 0;
280 ret = WideCharToMultiByte(CP_ACP, 0, pathW, -1, NULL, 0, NULL, NULL);
281 if (ret <= count)
283 WideCharToMultiByte(CP_ACP, 0, pathW, -1, path, count, NULL, NULL);
284 ret--; /* length without 0 */
286 return ret;
290 /***********************************************************************
291 * GetTempPathW (KERNEL32.@)
293 UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
295 static const WCHAR tmp[] = { 'T', 'M', 'P', 0 };
296 static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
297 WCHAR tmp_path[MAX_PATH];
298 UINT ret;
300 TRACE("%u,%p\n", count, path);
302 if (!(ret = GetEnvironmentVariableW( tmp, tmp_path, MAX_PATH )))
303 if (!(ret = GetEnvironmentVariableW( temp, tmp_path, MAX_PATH )))
304 if (!(ret = GetCurrentDirectoryW( MAX_PATH, tmp_path )))
305 return 0;
307 if (ret > MAX_PATH)
309 SetLastError(ERROR_FILENAME_EXCED_RANGE);
310 return 0;
313 ret = GetFullPathNameW(tmp_path, MAX_PATH, tmp_path, NULL);
314 if (!ret) return 0;
316 if (ret > MAX_PATH - 2)
318 SetLastError(ERROR_FILENAME_EXCED_RANGE);
319 return 0;
322 if (tmp_path[ret-1] != '\\')
324 tmp_path[ret++] = '\\';
325 tmp_path[ret] = '\0';
328 ret++; /* add space for terminating 0 */
330 if (count)
332 lstrcpynW(path, tmp_path, count);
333 if (count >= ret)
334 ret--; /* return length without 0 */
335 else if (count < 4)
336 path[0] = 0; /* avoid returning ambiguous "X:" */
339 TRACE("returning %u, %s\n", ret, debugstr_w(path));
340 return ret;
344 /***********************************************************************
345 * DIR_GetWindowsUnixDir
347 UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
349 if (path) lstrcpynA( path, DIR_Windows.long_name, count );
350 return strlen( DIR_Windows.long_name );
354 /***********************************************************************
355 * DIR_GetSystemUnixDir
357 UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
359 if (path) lstrcpynA( path, DIR_System.long_name, count );
360 return strlen( DIR_System.long_name );
364 /***********************************************************************
365 * GetTempDrive (KERNEL.92)
366 * A closer look at krnl386.exe shows what the SDK doesn't mention:
368 * returns:
369 * AL: driveletter
370 * AH: ':' - yes, some kernel code even does stosw with
371 * the returned AX.
372 * DX: 1 for success
374 UINT WINAPI GetTempDrive( BYTE ignored )
376 char *buffer;
377 BYTE ret;
378 UINT len = GetTempPathA( 0, NULL );
380 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
381 ret = DRIVE_GetCurrentDrive() + 'A';
382 else
384 /* FIXME: apparently Windows does something with the ignored byte */
385 if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
386 ret = toupper(buffer[0]);
387 HeapFree( GetProcessHeap(), 0, buffer );
389 return MAKELONG( ret | (':' << 8), 1 );
393 /***********************************************************************
394 * GetWindowsDirectory (KERNEL.134)
396 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
398 return (UINT16)GetWindowsDirectoryA( path, count );
402 /***********************************************************************
403 * GetWindowsDirectoryW (KERNEL32.@)
405 * See comment for GetWindowsDirectoryA.
407 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
409 UINT len = strlenW( DIR_Windows.short_name ) + 1;
410 if (path && count >= len)
412 strcpyW( path, DIR_Windows.short_name );
413 len--;
415 return len;
419 /***********************************************************************
420 * GetWindowsDirectoryA (KERNEL32.@)
422 * Return value:
423 * If buffer is large enough to hold full path and terminating '\0' character
424 * function copies path to buffer and returns length of the path without '\0'.
425 * Otherwise function returns required size including '\0' character and
426 * does not touch the buffer.
428 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
430 UINT len = WideCharToMultiByte( CP_ACP, 0, DIR_Windows.short_name, -1, NULL, 0, NULL, NULL );
431 if (path && count >= len)
433 WideCharToMultiByte( CP_ACP, 0, DIR_Windows.short_name, -1, path, count, NULL, NULL );
434 len--;
436 return len;
440 /***********************************************************************
441 * GetSystemWindowsDirectoryA (KERNEL32.@) W2K, TS4.0SP4
443 UINT WINAPI GetSystemWindowsDirectoryA( LPSTR path, UINT count )
445 return GetWindowsDirectoryA( path, count );
449 /***********************************************************************
450 * GetSystemWindowsDirectoryW (KERNEL32.@) W2K, TS4.0SP4
452 UINT WINAPI GetSystemWindowsDirectoryW( LPWSTR path, UINT count )
454 return GetWindowsDirectoryW( path, count );
458 /***********************************************************************
459 * GetSystemDirectory (KERNEL.135)
461 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
463 return (UINT16)GetSystemDirectoryA( path, count );
467 /***********************************************************************
468 * GetSystemDirectoryW (KERNEL32.@)
470 * See comment for GetWindowsDirectoryA.
472 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
474 UINT len = strlenW( DIR_System.short_name ) + 1;
475 if (path && count >= len)
477 strcpyW( path, DIR_System.short_name );
478 len--;
480 return len;
484 /***********************************************************************
485 * GetSystemDirectoryA (KERNEL32.@)
487 * See comment for GetWindowsDirectoryA.
489 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
491 UINT len = WideCharToMultiByte( CP_ACP, 0, DIR_System.short_name, -1, NULL, 0, NULL, NULL );
492 if (path && count >= len)
494 WideCharToMultiByte( CP_ACP, 0, DIR_System.short_name, -1, path, count, NULL, NULL );
495 len--;
497 return len;
501 /***********************************************************************
502 * CreateDirectory (KERNEL.144)
504 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
506 TRACE_(file)("(%s,%p)\n", path, dummy );
507 return (BOOL16)CreateDirectoryA( path, NULL );
511 /***********************************************************************
512 * CreateDirectoryW (KERNEL32.@)
513 * RETURNS:
514 * TRUE : success
515 * FALSE : failure
516 * ERROR_DISK_FULL: on full disk
517 * ERROR_ALREADY_EXISTS: if directory name exists (even as file)
518 * ERROR_ACCESS_DENIED: on permission problems
519 * ERROR_FILENAME_EXCED_RANGE: too long filename(s)
521 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
522 LPSECURITY_ATTRIBUTES lpsecattribs )
524 DOS_FULL_NAME full_name;
526 if (!path || !*path)
528 SetLastError(ERROR_PATH_NOT_FOUND);
529 return FALSE;
532 TRACE_(file)("(%s,%p)\n", debugstr_w(path), lpsecattribs );
534 if (DOSFS_GetDevice( path ))
536 TRACE_(file)("cannot use device %s!\n", debugstr_w(path));
537 SetLastError( ERROR_ACCESS_DENIED );
538 return FALSE;
540 if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
541 if (mkdir( full_name.long_name, 0777 ) == -1) {
542 WARN_(file)("Error '%s' trying to create directory '%s'\n", strerror(errno), full_name.long_name);
543 /* the FILE_SetDosError() generated error codes don't match the
544 * CreateDirectory ones for some errnos */
545 switch (errno) {
546 case EEXIST:
548 if (!strcmp(DRIVE_GetRoot(full_name.drive), full_name.long_name))
549 SetLastError(ERROR_ACCESS_DENIED);
550 else
551 SetLastError(ERROR_ALREADY_EXISTS);
552 break;
554 case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
555 default: FILE_SetDosError();break;
557 return FALSE;
559 return TRUE;
563 /***********************************************************************
564 * CreateDirectoryA (KERNEL32.@)
566 BOOL WINAPI CreateDirectoryA( LPCSTR path,
567 LPSECURITY_ATTRIBUTES lpsecattribs )
569 UNICODE_STRING pathW;
570 BOOL ret = FALSE;
572 if (!path || !*path)
574 SetLastError(ERROR_PATH_NOT_FOUND);
575 return FALSE;
578 if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
580 ret = CreateDirectoryW(pathW.Buffer, lpsecattribs);
581 RtlFreeUnicodeString(&pathW);
583 else
584 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
585 return ret;
589 /***********************************************************************
590 * CreateDirectoryExA (KERNEL32.@)
592 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
593 LPSECURITY_ATTRIBUTES lpsecattribs)
595 return CreateDirectoryA(path,lpsecattribs);
599 /***********************************************************************
600 * CreateDirectoryExW (KERNEL32.@)
602 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
603 LPSECURITY_ATTRIBUTES lpsecattribs)
605 return CreateDirectoryW(path,lpsecattribs);
609 /***********************************************************************
610 * RemoveDirectory (KERNEL.145)
612 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
614 return (BOOL16)RemoveDirectoryA( path );
618 /***********************************************************************
619 * RemoveDirectoryW (KERNEL32.@)
621 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
623 DOS_FULL_NAME full_name;
625 if (!path)
627 SetLastError(ERROR_INVALID_PARAMETER);
628 return FALSE;
631 TRACE_(file)("%s\n", debugstr_w(path));
633 if (DOSFS_GetDevice( path ))
635 TRACE_(file)("cannot remove device %s!\n", debugstr_w(path));
636 SetLastError( ERROR_FILE_NOT_FOUND );
637 return FALSE;
639 if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
640 if (rmdir( full_name.long_name ) == -1)
642 FILE_SetDosError();
643 return FALSE;
645 return TRUE;
649 /***********************************************************************
650 * RemoveDirectoryA (KERNEL32.@)
652 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
654 UNICODE_STRING pathW;
655 BOOL ret = FALSE;
657 if (!path)
659 SetLastError(ERROR_INVALID_PARAMETER);
660 return FALSE;
663 if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
665 ret = RemoveDirectoryW(pathW.Buffer);
666 RtlFreeUnicodeString(&pathW);
668 else
669 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
670 return ret;
674 /***********************************************************************
675 * DIR_TryPath
677 * Helper function for DIR_SearchPath.
679 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCWSTR name,
680 DOS_FULL_NAME *full_name )
682 LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
683 LPWSTR p_s = full_name->short_name + strlenW(dir->short_name) + 1;
685 if ((p_s >= full_name->short_name + sizeof(full_name->short_name)/sizeof(full_name->short_name[0]) - 14) ||
686 (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
688 SetLastError( ERROR_PATH_NOT_FOUND );
689 return FALSE;
691 if (!DOSFS_FindUnixName( dir, name, p_l,
692 sizeof(full_name->long_name) - (p_l - full_name->long_name),
693 p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
694 return FALSE;
696 full_name->drive = dir->drive;
697 strcpy( full_name->long_name, dir->long_name );
698 p_l[-1] = '/';
699 strcpyW( full_name->short_name, dir->short_name );
700 p_s[-1] = '\\';
701 return TRUE;
704 static BOOL DIR_SearchSemicolonedPaths(LPCWSTR name, DOS_FULL_NAME *full_name, LPWSTR pathlist)
706 LPWSTR next, buffer = NULL;
707 INT len = strlenW(name), newlen, currlen = 0;
708 BOOL ret = FALSE;
710 next = pathlist;
711 while (!ret && next)
713 static const WCHAR bkslashW[] = {'\\',0};
714 LPWSTR cur = next;
715 while (*cur == ';') cur++;
716 if (!*cur) break;
717 next = strchrW( cur, ';' );
718 if (next) *next++ = '\0';
719 newlen = strlenW(cur) + len + 2;
721 if (newlen > currlen)
723 if (buffer)
724 buffer = HeapReAlloc( GetProcessHeap(), 0, buffer, newlen * sizeof(WCHAR));
725 else
726 buffer = HeapAlloc( GetProcessHeap(), 0, newlen * sizeof(WCHAR));
728 if(!buffer)
729 goto done;
730 currlen = newlen;
733 strcpyW( buffer, cur );
734 strcatW( buffer, bkslashW );
735 strcatW( buffer, name );
736 ret = DOSFS_GetFullName( buffer, TRUE, full_name );
738 done:
739 HeapFree( GetProcessHeap(), 0, buffer );
740 return ret;
744 /***********************************************************************
745 * DIR_TryEnvironmentPath
747 * Helper function for DIR_SearchPath.
748 * Search in the specified path, or in $PATH if NULL.
750 static BOOL DIR_TryEnvironmentPath( LPCWSTR name, DOS_FULL_NAME *full_name, LPCWSTR envpath )
752 LPWSTR path;
753 BOOL ret = FALSE;
754 DWORD size;
755 static const WCHAR pathW[] = {'P','A','T','H',0};
757 size = envpath ? strlenW(envpath)+1 : GetEnvironmentVariableW( pathW, NULL, 0 );
758 if (!size) return FALSE;
759 if (!(path = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return FALSE;
760 if (envpath) strcpyW( path, envpath );
761 else if (!GetEnvironmentVariableW( pathW, path, size )) goto done;
763 ret = DIR_SearchSemicolonedPaths(name, full_name, path);
765 done:
766 HeapFree( GetProcessHeap(), 0, path );
767 return ret;
771 /***********************************************************************
772 * DIR_TryModulePath
774 * Helper function for DIR_SearchPath.
776 static BOOL DIR_TryModulePath( LPCWSTR name, DOS_FULL_NAME *full_name, BOOL win32 )
778 WCHAR bufferW[MAX_PATH];
779 LPWSTR p;
781 if (!win32)
783 char buffer[OFS_MAXPATHNAME];
784 if (!GetCurrentTask()) return FALSE;
785 if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
786 return FALSE;
787 MultiByteToWideChar(CP_ACP, 0, buffer, -1, bufferW, MAX_PATH);
788 } else {
789 if (!GetModuleFileNameW( 0, bufferW, MAX_PATH ) )
790 return FALSE;
792 if (!(p = strrchrW( bufferW, '\\' ))) return FALSE;
793 if (MAX_PATH - (++p - bufferW) <= strlenW(name)) return FALSE;
794 strcpyW( p, name );
795 return DOSFS_GetFullName( bufferW, TRUE, full_name );
799 /***********************************************************************
800 * DIR_SearchPath
802 * Implementation of SearchPathA. 'win32' specifies whether the search
803 * order is Win16 (module path last) or Win32 (module path first).
805 * FIXME: should return long path names.
807 DWORD DIR_SearchPath( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
808 DOS_FULL_NAME *full_name, BOOL win32 )
810 LPCWSTR p;
811 LPWSTR tmp = NULL;
812 BOOL ret = TRUE;
814 /* First check the supplied parameters */
816 p = strrchrW( name, '.' );
817 if (p && !strchrW( p, '/' ) && !strchrW( p, '\\' ))
818 ext = NULL; /* Ignore the specified extension */
819 if (FILE_contains_pathW (name))
820 path = NULL; /* Ignore path if name already contains a path */
821 if (path && !*path) path = NULL; /* Ignore empty path */
823 /* Allocate a buffer for the file name and extension */
825 if (ext)
827 DWORD len = strlenW(name) + strlenW(ext);
828 if (!(tmp = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
830 SetLastError( ERROR_OUTOFMEMORY );
831 return 0;
833 strcpyW( tmp, name );
834 strcatW( tmp, ext );
835 name = tmp;
838 /* If the name contains an explicit path, everything's easy */
840 if (FILE_contains_pathW(name))
842 ret = DOSFS_GetFullName( name, TRUE, full_name );
843 goto done;
846 /* Search in the specified path */
848 if (path)
850 ret = DIR_TryEnvironmentPath( name, full_name, path );
851 goto done;
854 /* Try the path of the current executable (for Win32 search order) */
856 if (win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
858 /* Try the current directory */
860 if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
862 /* Try the Windows system directory */
864 if (DIR_TryPath( &DIR_System, name, full_name ))
865 goto done;
867 /* Try the Windows directory */
869 if (DIR_TryPath( &DIR_Windows, name, full_name ))
870 goto done;
872 /* Try the path of the current executable (for Win16 search order) */
874 if (!win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
876 /* Try all directories in path */
878 ret = DIR_TryEnvironmentPath( name, full_name, NULL );
880 done:
881 if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
882 return ret;
886 /***********************************************************************
887 * SearchPathW [KERNEL32.@]
889 * Searches for a specified file in the search path.
891 * PARAMS
892 * path [I] Path to search
893 * name [I] Filename to search for.
894 * ext [I] File extension to append to file name. The first
895 * character must be a period. This parameter is
896 * specified only if the filename given does not
897 * contain an extension.
898 * buflen [I] size of buffer, in characters
899 * buffer [O] buffer for found filename
900 * lastpart [O] address of pointer to last used character in
901 * buffer (the final '\')
903 * RETURNS
904 * Success: length of string copied into buffer, not including
905 * terminating null character. If the filename found is
906 * longer than the length of the buffer, the length of the
907 * filename is returned.
908 * Failure: Zero
910 * NOTES
911 * If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND)
912 * (tested on NT 4.0)
914 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext, DWORD buflen,
915 LPWSTR buffer, LPWSTR *lastpart )
917 LPSTR res;
918 DOS_FULL_NAME full_name;
920 if (!DIR_SearchPath( path, name, ext, &full_name, TRUE ))
922 SetLastError(ERROR_FILE_NOT_FOUND);
923 return 0;
926 TRACE("found %s %s\n", full_name.long_name, debugstr_w(full_name.short_name));
927 TRACE("drive %c: root %s\n", 'A' + full_name.drive, DRIVE_GetRoot(full_name.drive));
929 lstrcpynW( buffer, full_name.short_name, buflen );
930 res = full_name.long_name +
931 strlen(DRIVE_GetRoot( full_name.drive ));
932 while (*res == '/') res++;
933 if (buflen)
935 LPWSTR p;
936 if (buflen > 3)
938 MultiByteToWideChar(CP_UNIXCP, 0, res, -1, buffer + 3, buflen - 3);
939 buffer[buflen - 1] = 0;
941 for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
942 if (lastpart) *lastpart = strrchrW( buffer, '\\' ) + 1;
944 TRACE("Returning %s\n", debugstr_w(buffer) );
945 return strlenW(buffer);
949 /***********************************************************************
950 * SearchPathA (KERNEL32.@)
952 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext,
953 DWORD buflen, LPSTR buffer, LPSTR *lastpart )
955 UNICODE_STRING pathW, nameW, extW;
956 WCHAR bufferW[MAX_PATH];
957 DWORD ret, retW;
959 if (path) RtlCreateUnicodeStringFromAsciiz(&pathW, path);
960 else pathW.Buffer = NULL;
961 if (name) RtlCreateUnicodeStringFromAsciiz(&nameW, name);
962 else nameW.Buffer = NULL;
963 if (ext) RtlCreateUnicodeStringFromAsciiz(&extW, ext);
964 else extW.Buffer = NULL;
966 retW = SearchPathW(pathW.Buffer, nameW.Buffer, extW.Buffer, MAX_PATH, bufferW, NULL);
968 if (!retW)
969 ret = 0;
970 else if (retW > MAX_PATH)
972 SetLastError(ERROR_FILENAME_EXCED_RANGE);
973 ret = 0;
975 else
977 ret = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
978 if (buflen >= ret)
980 WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, buflen, NULL, NULL);
981 ret--; /* length without 0 */
982 if (lastpart) *lastpart = strrchr(buffer, '\\') + 1;
986 RtlFreeUnicodeString(&pathW);
987 RtlFreeUnicodeString(&nameW);
988 RtlFreeUnicodeString(&extW);
989 return ret;