2 * msvcrt.dll drive/directory functions
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #include "wine/port.h"
33 #include "wine/unicode.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
39 /* INTERNAL: Translate WIN32_FIND_DATAA to finddata_t */
40 static void msvcrt_fttofd( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata_t* ft)
44 if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
47 ft->attrib = fd->dwFileAttributes;
49 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
51 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
53 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
55 ft->size = fd->nFileSizeLow;
56 strcpy(ft->name, fd->cFileName);
59 /* INTERNAL: Translate WIN32_FIND_DATAW to wfinddata_t */
60 static void msvcrt_wfttofd( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddata_t* ft)
64 if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
67 ft->attrib = fd->dwFileAttributes;
69 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
71 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
73 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
75 ft->size = fd->nFileSizeLow;
76 strcpyW(ft->name, fd->cFileName);
79 /* INTERNAL: Translate WIN32_FIND_DATAA to finddatai64_t */
80 static void msvcrt_fttofdi64( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddatai64_t* ft)
84 if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
87 ft->attrib = fd->dwFileAttributes;
89 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
91 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
93 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
95 ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
96 strcpy(ft->name, fd->cFileName);
99 /* INTERNAL: Translate WIN32_FIND_DATAW to wfinddatai64_t */
100 static void msvcrt_wfttofdi64( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddatai64_t* ft)
104 if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
107 ft->attrib = fd->dwFileAttributes;
109 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
110 ft->time_create = dw;
111 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
112 ft->time_access = dw;
113 RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
115 ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
116 strcpyW(ft->name, fd->cFileName);
119 /*********************************************************************
122 * Change the current working directory.
125 * newdir [I] Directory to change to
128 * Success: 0. The current working directory is set to newdir.
129 * Failure: -1. errno indicates the error.
132 * See SetCurrentDirectoryA.
134 int CDECL MSVCRT__chdir(const char * newdir)
136 if (!SetCurrentDirectoryA(newdir))
138 msvcrt_set_errno(newdir?GetLastError():0);
144 /*********************************************************************
147 * Unicode version of _chdir.
149 int CDECL _wchdir(const MSVCRT_wchar_t * newdir)
151 if (!SetCurrentDirectoryW(newdir))
153 msvcrt_set_errno(newdir?GetLastError():0);
159 /*********************************************************************
160 * _chdrive (MSVCRT.@)
162 * Change the current drive.
165 * newdrive [I] Drive number to change to (1 = 'A', 2 = 'B', ...)
168 * Success: 0. The current drive is set to newdrive.
169 * Failure: -1. errno indicates the error.
172 * See SetCurrentDirectoryA.
174 int CDECL _chdrive(int newdrive)
176 WCHAR buffer[3] = {'A', ':', 0};
178 buffer[0] += newdrive - 1;
179 if (!SetCurrentDirectoryW( buffer ))
181 msvcrt_set_errno(GetLastError());
183 *MSVCRT__errno() = MSVCRT_EACCES;
189 /*********************************************************************
190 * _findclose (MSVCRT.@)
192 * Close a handle returned by _findfirst().
195 * hand [I] Handle to close
198 * Success: 0. All resources associated with hand are freed.
199 * Failure: -1. errno indicates the error.
204 int CDECL MSVCRT__findclose(long hand)
206 TRACE(":handle %ld\n",hand);
207 if (!FindClose((HANDLE)hand))
209 msvcrt_set_errno(GetLastError());
215 /*********************************************************************
216 * _findfirst (MSVCRT.@)
218 * Open a handle for iterating through a directory.
221 * fspec [I] File specification of files to iterate.
222 * ft [O] Information for the first file found.
225 * Success: A handle suitable for passing to _findnext() and _findclose().
226 * ft is populated with the details of the found file.
227 * Failure: -1. errno indicates the error.
230 * See FindFirstFileA.
232 long CDECL MSVCRT__findfirst(const char * fspec, struct MSVCRT__finddata_t* ft)
234 WIN32_FIND_DATAA find_data;
237 hfind = FindFirstFileA(fspec, &find_data);
238 if (hfind == INVALID_HANDLE_VALUE)
240 msvcrt_set_errno(GetLastError());
243 msvcrt_fttofd(&find_data,ft);
244 TRACE(":got handle %p\n",hfind);
248 /*********************************************************************
249 * _wfindfirst (MSVCRT.@)
251 * Unicode version of _findfirst.
253 long CDECL MSVCRT__wfindfirst(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddata_t* ft)
255 WIN32_FIND_DATAW find_data;
258 hfind = FindFirstFileW(fspec, &find_data);
259 if (hfind == INVALID_HANDLE_VALUE)
261 msvcrt_set_errno(GetLastError());
264 msvcrt_wfttofd(&find_data,ft);
265 TRACE(":got handle %p\n",hfind);
269 /*********************************************************************
270 * _findfirsti64 (MSVCRT.@)
272 * 64-bit version of _findfirst.
274 long CDECL MSVCRT__findfirsti64(const char * fspec, struct MSVCRT__finddatai64_t* ft)
276 WIN32_FIND_DATAA find_data;
279 hfind = FindFirstFileA(fspec, &find_data);
280 if (hfind == INVALID_HANDLE_VALUE)
282 msvcrt_set_errno(GetLastError());
285 msvcrt_fttofdi64(&find_data,ft);
286 TRACE(":got handle %p\n",hfind);
290 /*********************************************************************
291 * _wfindfirsti64 (MSVCRT.@)
293 * Unicode version of _findfirsti64.
295 long CDECL MSVCRT__wfindfirsti64(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddatai64_t* ft)
297 WIN32_FIND_DATAW find_data;
300 hfind = FindFirstFileW(fspec, &find_data);
301 if (hfind == INVALID_HANDLE_VALUE)
303 msvcrt_set_errno(GetLastError());
306 msvcrt_wfttofdi64(&find_data,ft);
307 TRACE(":got handle %p\n",hfind);
311 /*********************************************************************
312 * _findnext (MSVCRT.@)
314 * Find the next file from a file search handle.
317 * hand [I] Handle to the search returned from _findfirst().
318 * ft [O] Information for the file found.
321 * Success: 0. ft is populated with the details of the found file.
322 * Failure: -1. errno indicates the error.
327 int CDECL MSVCRT__findnext(long hand, struct MSVCRT__finddata_t * ft)
329 WIN32_FIND_DATAA find_data;
331 if (!FindNextFileA((HANDLE)hand, &find_data))
333 *MSVCRT__errno() = MSVCRT_ENOENT;
337 msvcrt_fttofd(&find_data,ft);
341 /*********************************************************************
342 * _wfindnext (MSVCRT.@)
344 * Unicode version of _findnext.
346 int CDECL MSVCRT__wfindnext(long hand, struct MSVCRT__wfinddata_t * ft)
348 WIN32_FIND_DATAW find_data;
350 if (!FindNextFileW((HANDLE)hand, &find_data))
352 *MSVCRT__errno() = MSVCRT_ENOENT;
356 msvcrt_wfttofd(&find_data,ft);
360 /*********************************************************************
361 * _findnexti64 (MSVCRT.@)
363 * 64-bit version of _findnext.
365 int CDECL MSVCRT__findnexti64(long hand, struct MSVCRT__finddatai64_t * ft)
367 WIN32_FIND_DATAA find_data;
369 if (!FindNextFileA((HANDLE)hand, &find_data))
371 *MSVCRT__errno() = MSVCRT_ENOENT;
375 msvcrt_fttofdi64(&find_data,ft);
379 /*********************************************************************
380 * _wfindnexti64 (MSVCRT.@)
382 * Unicode version of _findnexti64.
384 int CDECL MSVCRT__wfindnexti64(long hand, struct MSVCRT__wfinddatai64_t * ft)
386 WIN32_FIND_DATAW find_data;
388 if (!FindNextFileW((HANDLE)hand, &find_data))
390 *MSVCRT__errno() = MSVCRT_ENOENT;
394 msvcrt_wfttofdi64(&find_data,ft);
398 /*********************************************************************
401 * Get the current working directory.
404 * buf [O] Destination for current working directory.
405 * size [I] Size of buf in characters
408 * Success: If buf is NULL, returns an allocated string containing the path.
409 * Otherwise populates buf with the path and returns it.
410 * Failure: NULL. errno indicates the error.
412 char* CDECL _getcwd(char * buf, int size)
415 int dir_len = GetCurrentDirectoryA(MAX_PATH,dir);
418 return NULL; /* FIXME: Real return value untested */
422 if (size <= dir_len) size = dir_len + 1;
423 if (!(buf = MSVCRT_malloc( size ))) return NULL;
425 else if (dir_len >= size)
427 *MSVCRT__errno() = MSVCRT_ERANGE;
428 return NULL; /* buf too small */
434 /*********************************************************************
435 * _wgetcwd (MSVCRT.@)
437 * Unicode version of _getcwd.
439 MSVCRT_wchar_t* CDECL _wgetcwd(MSVCRT_wchar_t * buf, int size)
441 MSVCRT_wchar_t dir[MAX_PATH];
442 int dir_len = GetCurrentDirectoryW(MAX_PATH,dir);
445 return NULL; /* FIXME: Real return value untested */
449 if (size <= dir_len) size = dir_len + 1;
450 if (!(buf = MSVCRT_malloc( size * sizeof(WCHAR) ))) return NULL;
454 *MSVCRT__errno() = MSVCRT_ERANGE;
455 return NULL; /* buf too small */
461 /*********************************************************************
462 * _getdrive (MSVCRT.@)
464 * Get the current drive number.
470 * Success: The drive letter number from 1 to 26 ("A:" to "Z:").
473 int CDECL _getdrive(void)
475 WCHAR buffer[MAX_PATH];
476 if (GetCurrentDirectoryW( MAX_PATH, buffer ) &&
477 buffer[0] >= 'A' && buffer[0] <= 'z' && buffer[1] == ':')
478 return toupperW(buffer[0]) - 'A' + 1;
482 /*********************************************************************
483 * _getdcwd (MSVCRT.@)
485 * Get the current working directory on a given disk.
488 * drive [I] Drive letter to get the current working directory from.
489 * buf [O] Destination for the current working directory.
490 * size [I] Length of drive in characters.
493 * Success: If drive is NULL, returns an allocated string containing the path.
494 * Otherwise populates drive with the path and returns it.
495 * Failure: NULL. errno indicates the error.
497 char* CDECL _getdcwd(int drive, char * buf, int size)
501 TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
503 if (!drive || drive == _getdrive())
504 return _getcwd(buf,size); /* current */
508 char drivespec[4] = {'A', ':', 0};
511 drivespec[0] += drive - 1;
512 if (GetDriveTypeA(drivespec) < DRIVE_REMOVABLE)
514 *MSVCRT__errno() = MSVCRT_EACCES;
518 dir_len = GetFullPathNameA(drivespec,MAX_PATH,dir,&dummy);
519 if (dir_len >= size || dir_len < 1)
521 *MSVCRT__errno() = MSVCRT_ERANGE;
522 return NULL; /* buf too small */
525 TRACE(":returning '%s'\n", dir);
527 return _strdup(dir); /* allocate */
534 /*********************************************************************
535 * _wgetdcwd (MSVCRT.@)
537 * Unicode version of _wgetdcwd.
539 MSVCRT_wchar_t* CDECL _wgetdcwd(int drive, MSVCRT_wchar_t * buf, int size)
541 static MSVCRT_wchar_t* dummy;
543 TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
545 if (!drive || drive == _getdrive())
546 return _wgetcwd(buf,size); /* current */
549 MSVCRT_wchar_t dir[MAX_PATH];
550 MSVCRT_wchar_t drivespec[4] = {'A', ':', '\\', 0};
553 drivespec[0] += drive - 1;
554 if (GetDriveTypeW(drivespec) < DRIVE_REMOVABLE)
556 *MSVCRT__errno() = MSVCRT_EACCES;
560 dir_len = GetFullPathNameW(drivespec,MAX_PATH,dir,&dummy);
561 if (dir_len >= size || dir_len < 1)
563 *MSVCRT__errno() = MSVCRT_ERANGE;
564 return NULL; /* buf too small */
567 TRACE(":returning %s\n", debugstr_w(dir));
569 return _wcsdup(dir); /* allocate */
575 /*********************************************************************
576 * _getdiskfree (MSVCRT.@)
578 * Get information about the free space on a drive.
581 * disk [I] Drive number to get information about (1 = 'A', 2 = 'B', ...)
582 * info [O] Destination for the resulting information.
585 * Success: 0. info is updated with the free space information.
586 * Failure: An error code from GetLastError().
589 * See GetLastError().
591 unsigned int CDECL MSVCRT__getdiskfree(unsigned int disk, struct MSVCRT__diskfree_t * d)
593 WCHAR drivespec[4] = {'@', ':', '\\', 0};
598 return ERROR_INVALID_PARAMETER; /* MSVCRT doesn't set errno here */
600 drivespec[0] += disk; /* make a drive letter */
602 if (GetDiskFreeSpaceW(disk==0?NULL:drivespec,ret,ret+1,ret+2,ret+3))
604 d->sectors_per_cluster = ret[0];
605 d->bytes_per_sector = ret[1];
606 d->avail_clusters = ret[2];
607 d->total_clusters = ret[3];
610 err = GetLastError();
611 msvcrt_set_errno(err);
615 /*********************************************************************
618 * Create a directory.
621 * newdir [I] Name of directory to create.
624 * Success: 0. The directory indicated by newdir is created.
625 * Failure: -1. errno indicates the error.
628 * See CreateDirectoryA.
630 int CDECL MSVCRT__mkdir(const char * newdir)
632 if (CreateDirectoryA(newdir,NULL))
634 msvcrt_set_errno(GetLastError());
638 /*********************************************************************
641 * Unicode version of _mkdir.
643 int CDECL _wmkdir(const MSVCRT_wchar_t* newdir)
645 if (CreateDirectoryW(newdir,NULL))
647 msvcrt_set_errno(GetLastError());
651 /*********************************************************************
654 * Delete a directory.
657 * dir [I] Name of directory to delete.
660 * Success: 0. The directory indicated by newdir is deleted.
661 * Failure: -1. errno indicates the error.
664 * See RemoveDirectoryA.
666 int CDECL MSVCRT__rmdir(const char * dir)
668 if (RemoveDirectoryA(dir))
670 msvcrt_set_errno(GetLastError());
674 /*********************************************************************
677 * Unicode version of _rmdir.
679 int CDECL _wrmdir(const MSVCRT_wchar_t * dir)
681 if (RemoveDirectoryW(dir))
683 msvcrt_set_errno(GetLastError());
687 /*********************************************************************
688 * _wsplitpath (MSVCRT.@)
690 * Unicode version of _splitpath.
692 void CDECL _wsplitpath(const MSVCRT_wchar_t *inpath, MSVCRT_wchar_t *drv, MSVCRT_wchar_t *dir,
693 MSVCRT_wchar_t *fname, MSVCRT_wchar_t *ext )
695 const MSVCRT_wchar_t *p, *end;
697 if (inpath[0] && inpath[1] == ':')
707 else if (drv) drv[0] = 0;
709 /* look for end of directory part */
711 for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
713 if (end) /* got a directory */
717 memcpy( dir, inpath, (end - inpath) * sizeof(MSVCRT_wchar_t) );
718 dir[end - inpath] = 0;
722 else if (dir) dir[0] = 0;
724 /* look for extension: what's after the last dot */
726 for (p = inpath; *p; p++) if (*p == '.') end = p;
728 if (!end) end = p; /* there's no extension */
732 memcpy( fname, inpath, (end - inpath) * sizeof(MSVCRT_wchar_t) );
733 fname[end - inpath] = 0;
735 if (ext) strcpyW( ext, end );
738 /*********************************************************************
739 * _wfullpath (MSVCRT.@)
741 * Unicode version of _fullpath.
743 MSVCRT_wchar_t * CDECL _wfullpath(MSVCRT_wchar_t * absPath, const MSVCRT_wchar_t* relPath, MSVCRT_size_t size)
748 BOOL alloced = FALSE;
750 if (!relPath || !*relPath)
751 return _wgetcwd(absPath, size);
755 buffer = MSVCRT_malloc(MAX_PATH * sizeof(WCHAR));
764 *MSVCRT__errno() = MSVCRT_ERANGE;
768 TRACE(":resolving relative path %s\n",debugstr_w(relPath));
770 rc = GetFullPathNameW(relPath,size,buffer,&lastpart);
772 if (rc > 0 && rc <= size )
782 /*********************************************************************
783 * _fullpath (MSVCRT.@)
785 * Create an absolute path from a relative path.
788 * absPath [O] Destination for absolute path
789 * relPath [I] Relative path to convert to absolute
790 * size [I] Length of absPath in characters.
793 * Success: If absPath is NULL, returns an allocated string containing the path.
794 * Otherwise populates absPath with the path and returns it.
795 * Failure: NULL. errno indicates the error.
797 char * CDECL _fullpath(char * absPath, const char* relPath, unsigned int size)
802 BOOL alloced = FALSE;
804 if (!relPath || !*relPath)
805 return _getcwd(absPath, size);
809 buffer = MSVCRT_malloc(MAX_PATH);
818 *MSVCRT__errno() = MSVCRT_ERANGE;
822 TRACE(":resolving relative path '%s'\n",relPath);
824 rc = GetFullPathNameA(relPath,size,buffer,&lastpart);
826 if (rc > 0 && rc <= size)
836 /*********************************************************************
837 * _makepath (MSVCRT.@)
842 * path [O] Destination for created pathname
843 * drive [I] Drive letter (e.g. "A:")
844 * directory [I] Directory
845 * filename [I] Name of the file, excluding extension
846 * extension [I] File extension (e.g. ".TXT")
849 * Nothing. If path is not large enough to hold the resulting pathname,
850 * random process memory will be overwritten.
852 VOID CDECL _makepath(char * path, const char * drive,
853 const char *directory, const char * filename,
854 const char * extension)
858 TRACE("(%s %s %s %s)\n", debugstr_a(drive), debugstr_a(directory),
859 debugstr_a(filename), debugstr_a(extension) );
864 if (drive && drive[0])
870 if (directory && directory[0])
872 strcpy(p, directory);
873 p += strlen(directory) - 1;
874 if (*p != '/' && *p != '\\') {
880 if (filename && filename[0])
883 if (extension && extension[0])
885 if ( extension[0] != '.' )
890 TRACE("returning %s\n",path);
893 /*********************************************************************
894 * _wmakepath (MSVCRT.@)
896 * Unicode version of _wmakepath.
898 VOID CDECL _wmakepath(MSVCRT_wchar_t *path, const MSVCRT_wchar_t *drive, const MSVCRT_wchar_t *directory,
899 const MSVCRT_wchar_t *filename, const MSVCRT_wchar_t *extension)
902 TRACE("%s %s %s %s\n", debugstr_w(drive), debugstr_w(directory),
903 debugstr_w(filename), debugstr_w(extension));
909 if (drive && drive[0])
915 if (directory && directory[0])
917 strcatW(path, directory);
918 ch = path[strlenW(path) - 1];
919 if (ch != '/' && ch != '\\')
921 static const MSVCRT_wchar_t backslashW[] = {'\\',0};
922 strcatW(path, backslashW);
925 if (filename && filename[0])
927 strcatW(path, filename);
928 if (extension && extension[0])
930 if ( extension[0] != '.' )
932 static const MSVCRT_wchar_t dotW[] = {'.',0};
935 strcatW(path, extension);
939 TRACE("returning %s\n", debugstr_w(path));
942 /*********************************************************************
943 * _searchenv (MSVCRT.@)
945 * Search for a file in a list of paths from an environment variable.
948 * file [I] Name of the file to search for.
949 * env [I] Name of the environment variable containing a list of paths.
950 * buf [O] Destination for the found file path.
953 * Nothing. If the file is not found, buf will contain an empty string
956 void CDECL _searchenv(const char* file, const char* env, char *buf)
959 char curPath[MAX_PATH];
964 if (GetFileAttributesA( file ) != INVALID_FILE_ATTRIBUTES)
966 GetFullPathNameA( file, MAX_PATH, buf, NULL );
967 /* Sigh. This error is *always* set, regardless of success */
968 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
972 /* Search given environment variable */
973 envVal = MSVCRT_getenv(env);
976 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
981 TRACE(":searching for %s in paths %s\n", file, envVal);
987 while(*end && *end != ';') end++; /* Find end of next path */
988 if (penv == end || !*penv)
990 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
993 memcpy(curPath, penv, end - penv);
994 if (curPath[end - penv] != '/' || curPath[end - penv] != '\\')
996 curPath[end - penv] = '\\';
997 curPath[end - penv + 1] = '\0';
1000 curPath[end - penv] = '\0';
1002 strcat(curPath, file);
1003 TRACE("Checking for file %s\n", curPath);
1004 if (GetFileAttributesA( curPath ) != INVALID_FILE_ATTRIBUTES)
1006 strcpy(buf, curPath);
1007 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1010 penv = *end ? end + 1 : end;
1014 /*********************************************************************
1015 * _wsearchenv (MSVCRT.@)
1017 * Unicode version of _searchenv
1019 void CDECL _wsearchenv(const MSVCRT_wchar_t* file, const MSVCRT_wchar_t* env, MSVCRT_wchar_t *buf)
1021 MSVCRT_wchar_t *envVal, *penv;
1022 MSVCRT_wchar_t curPath[MAX_PATH];
1027 if (GetFileAttributesW( file ) != INVALID_FILE_ATTRIBUTES)
1029 GetFullPathNameW( file, MAX_PATH, buf, NULL );
1030 /* Sigh. This error is *always* set, regardless of success */
1031 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1035 /* Search given environment variable */
1036 envVal = _wgetenv(env);
1039 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1044 TRACE(":searching for %s in paths %s\n", debugstr_w(file), debugstr_w(envVal));
1048 MSVCRT_wchar_t *end = penv;
1050 while(*end && *end != ';') end++; /* Find end of next path */
1051 if (penv == end || !*penv)
1053 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1056 memcpy(curPath, penv, (end - penv) * sizeof(MSVCRT_wchar_t));
1057 if (curPath[end - penv] != '/' || curPath[end - penv] != '\\')
1059 curPath[end - penv] = '\\';
1060 curPath[end - penv + 1] = '\0';
1063 curPath[end - penv] = '\0';
1065 strcatW(curPath, file);
1066 TRACE("Checking for file %s\n", debugstr_w(curPath));
1067 if (GetFileAttributesW( curPath ) != INVALID_FILE_ATTRIBUTES)
1069 strcpyW(buf, curPath);
1070 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1073 penv = *end ? end + 1 : end;