| /* |
| * File handling functions |
| * |
| * Copyright 1993 Erik Bos |
| * Copyright 1996 Alexandre Julliard |
| * Copyright 2003 Eric Pouech |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <stdarg.h> |
| |
| #define NONAMELESSUNION |
| #define NONAMELESSSTRUCT |
| #include "winerror.h" |
| #include "ntstatus.h" |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winreg.h" |
| #include "winternl.h" |
| |
| #include "kernel_private.h" |
| #include "wine/unicode.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(file); |
| |
| #define MAX_PATHNAME_LEN 1024 |
| |
| /*********************************************************************** |
| * GetFullPathNameW (KERNEL32.@) |
| * NOTES |
| * if the path closed with '\', *lastpart is 0 |
| */ |
| DWORD WINAPI GetFullPathNameW( LPCWSTR name, DWORD len, LPWSTR buffer, |
| LPWSTR *lastpart ) |
| { |
| return RtlGetFullPathName_U(name, len * sizeof(WCHAR), buffer, lastpart) / sizeof(WCHAR); |
| } |
| |
| /*********************************************************************** |
| * GetFullPathNameA (KERNEL32.@) |
| * NOTES |
| * if the path closed with '\', *lastpart is 0 |
| */ |
| DWORD WINAPI GetFullPathNameA( LPCSTR name, DWORD len, LPSTR buffer, |
| LPSTR *lastpart ) |
| { |
| UNICODE_STRING nameW; |
| WCHAR bufferW[MAX_PATH]; |
| DWORD ret, retW; |
| |
| if (!name) |
| { |
| SetLastError(ERROR_INVALID_PARAMETER); |
| return 0; |
| } |
| |
| if (!RtlCreateUnicodeStringFromAsciiz(&nameW, name)) |
| { |
| SetLastError(ERROR_NOT_ENOUGH_MEMORY); |
| return 0; |
| } |
| |
| retW = GetFullPathNameW( nameW.Buffer, MAX_PATH, bufferW, NULL); |
| |
| if (!retW) |
| ret = 0; |
| else if (retW > MAX_PATH) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| ret = 0; |
| } |
| else |
| { |
| ret = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL); |
| if (ret && ret <= len) |
| { |
| WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, len, NULL, NULL); |
| ret--; /* length without 0 */ |
| |
| if (lastpart) |
| { |
| LPSTR p = buffer + strlen(buffer) - 1; |
| |
| if (*p != '\\') |
| { |
| while ((p > buffer + 2) && (*p != '\\')) p--; |
| *lastpart = p + 1; |
| } |
| else *lastpart = NULL; |
| } |
| } |
| } |
| |
| RtlFreeUnicodeString(&nameW); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetLongPathNameW (KERNEL32.@) |
| * |
| * NOTES |
| * observed (Win2000): |
| * shortpath=NULL: LastError=ERROR_INVALID_PARAMETER, ret=0 |
| * shortpath="": LastError=ERROR_PATH_NOT_FOUND, ret=0 |
| */ |
| DWORD WINAPI GetLongPathNameW( LPCWSTR shortpath, LPWSTR longpath, DWORD longlen ) |
| { |
| WCHAR tmplongpath[MAX_PATHNAME_LEN]; |
| LPCWSTR p; |
| DWORD sp = 0, lp = 0; |
| DWORD tmplen; |
| BOOL unixabsolute = (shortpath[0] == '/'); |
| WIN32_FIND_DATAW wfd; |
| HANDLE goit; |
| |
| if (!shortpath) |
| { |
| SetLastError(ERROR_INVALID_PARAMETER); |
| return 0; |
| } |
| if (!shortpath[0]) |
| { |
| SetLastError(ERROR_PATH_NOT_FOUND); |
| return 0; |
| } |
| |
| TRACE("%s,%p,%ld\n", debugstr_w(shortpath), longpath, longlen); |
| |
| if (shortpath[0] == '\\' && shortpath[1] == '\\') |
| { |
| ERR("UNC pathname %s\n", debugstr_w(shortpath)); |
| lstrcpynW( longpath, shortpath, longlen ); |
| return strlenW(longpath); |
| } |
| |
| /* check for drive letter */ |
| if (!unixabsolute && shortpath[1] == ':' ) |
| { |
| tmplongpath[0] = shortpath[0]; |
| tmplongpath[1] = ':'; |
| lp = sp = 2; |
| } |
| |
| while (shortpath[sp]) |
| { |
| /* check for path delimiters and reproduce them */ |
| if (shortpath[sp] == '\\' || shortpath[sp] == '/') |
| { |
| if (!lp || tmplongpath[lp-1] != '\\') |
| { |
| /* strip double "\\" */ |
| tmplongpath[lp++] = '\\'; |
| } |
| tmplongpath[lp] = 0; /* terminate string */ |
| sp++; |
| continue; |
| } |
| |
| p = shortpath + sp; |
| if (sp == 0 && p[0] == '.' && (p[1] == '/' || p[1] == '\\')) |
| { |
| tmplongpath[lp++] = *p++; |
| tmplongpath[lp++] = *p++; |
| } |
| for (; *p && *p != '/' && *p != '\\'; p++); |
| tmplen = p - (shortpath + sp); |
| lstrcpynW(tmplongpath + lp, shortpath + sp, tmplen + 1); |
| /* Check if the file exists and use the existing file name */ |
| goit = FindFirstFileW(tmplongpath, &wfd); |
| if (goit == INVALID_HANDLE_VALUE) |
| { |
| TRACE("not found %s!\n", debugstr_w(tmplongpath)); |
| SetLastError ( ERROR_FILE_NOT_FOUND ); |
| return 0; |
| } |
| FindClose(goit); |
| strcpyW(tmplongpath + lp, wfd.cFileName); |
| lp += strlenW(tmplongpath + lp); |
| sp += tmplen; |
| } |
| tmplen = strlenW(shortpath) - 1; |
| if ((shortpath[tmplen] == '/' || shortpath[tmplen] == '\\') && |
| (tmplongpath[lp - 1] != '/' && tmplongpath[lp - 1] != '\\')) |
| tmplongpath[lp++] = shortpath[tmplen]; |
| tmplongpath[lp] = 0; |
| |
| tmplen = strlenW(tmplongpath) + 1; |
| if (tmplen <= longlen) |
| { |
| strcpyW(longpath, tmplongpath); |
| TRACE("returning %s\n", debugstr_w(longpath)); |
| tmplen--; /* length without 0 */ |
| } |
| |
| return tmplen; |
| } |
| |
| /*********************************************************************** |
| * GetLongPathNameA (KERNEL32.@) |
| */ |
| DWORD WINAPI GetLongPathNameA( LPCSTR shortpath, LPSTR longpath, DWORD longlen ) |
| { |
| UNICODE_STRING shortpathW; |
| WCHAR longpathW[MAX_PATH]; |
| DWORD ret, retW; |
| |
| if (!shortpath) |
| { |
| SetLastError(ERROR_INVALID_PARAMETER); |
| return 0; |
| } |
| |
| TRACE("%s\n", debugstr_a(shortpath)); |
| |
| if (!RtlCreateUnicodeStringFromAsciiz(&shortpathW, shortpath)) |
| { |
| SetLastError(ERROR_NOT_ENOUGH_MEMORY); |
| return 0; |
| } |
| |
| retW = GetLongPathNameW(shortpathW.Buffer, longpathW, MAX_PATH); |
| |
| if (!retW) |
| ret = 0; |
| else if (retW > MAX_PATH) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| ret = 0; |
| } |
| else |
| { |
| ret = WideCharToMultiByte(CP_ACP, 0, longpathW, -1, NULL, 0, NULL, NULL); |
| if (ret <= longlen) |
| { |
| WideCharToMultiByte(CP_ACP, 0, longpathW, -1, longpath, longlen, NULL, NULL); |
| ret--; /* length without 0 */ |
| } |
| } |
| |
| RtlFreeUnicodeString(&shortpathW); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetShortPathNameW (KERNEL32.@) |
| * |
| * NOTES |
| * observed: |
| * longpath=NULL: LastError=ERROR_INVALID_PARAMETER, ret=0 |
| * longpath="" or invalid: LastError=ERROR_BAD_PATHNAME, ret=0 |
| * |
| * more observations ( with NT 3.51 (WinDD) ): |
| * longpath <= 8.3 -> just copy longpath to shortpath |
| * longpath > 8.3 -> |
| * a) file does not exist -> return 0, LastError = ERROR_FILE_NOT_FOUND |
| * b) file does exist -> set the short filename. |
| * - trailing slashes are reproduced in the short name, even if the |
| * file is not a directory |
| * - the absolute/relative path of the short name is reproduced like found |
| * in the long name |
| * - longpath and shortpath may have the same address |
| * Peter Ganten, 1999 |
| */ |
| DWORD WINAPI GetShortPathNameW( LPCWSTR longpath, LPWSTR shortpath, DWORD shortlen ) |
| { |
| WCHAR tmpshortpath[MAX_PATHNAME_LEN]; |
| LPCWSTR p; |
| DWORD sp = 0, lp = 0; |
| DWORD tmplen; |
| BOOL unixabsolute = (longpath[0] == '/'); |
| WIN32_FIND_DATAW wfd; |
| HANDLE goit; |
| UNICODE_STRING ustr; |
| WCHAR ustr_buf[8+1+3+1]; |
| |
| TRACE("%s\n", debugstr_w(longpath)); |
| |
| if (!longpath) |
| { |
| SetLastError(ERROR_INVALID_PARAMETER); |
| return 0; |
| } |
| if (!longpath[0]) |
| { |
| SetLastError(ERROR_BAD_PATHNAME); |
| return 0; |
| } |
| |
| /* check for drive letter */ |
| if (!unixabsolute && longpath[1] == ':' ) |
| { |
| tmpshortpath[0] = longpath[0]; |
| tmpshortpath[1] = ':'; |
| sp = lp = 2; |
| } |
| |
| ustr.Buffer = ustr_buf; |
| ustr.Length = 0; |
| ustr.MaximumLength = sizeof(ustr_buf); |
| |
| while (longpath[lp]) |
| { |
| /* check for path delimiters and reproduce them */ |
| if (longpath[lp] == '\\' || longpath[lp] == '/') |
| { |
| if (!sp || tmpshortpath[sp-1] != '\\') |
| { |
| /* strip double "\\" */ |
| tmpshortpath[sp] = '\\'; |
| sp++; |
| } |
| tmpshortpath[sp] = 0; /* terminate string */ |
| lp++; |
| continue; |
| } |
| |
| for (p = longpath + lp; *p && *p != '/' && *p != '\\'; p++); |
| tmplen = p - (longpath + lp); |
| lstrcpynW(tmpshortpath + sp, longpath + lp, tmplen + 1); |
| /* Check, if the current element is a valid dos name */ |
| if (tmplen <= 8+1+3+1) |
| { |
| BOOLEAN spaces; |
| memcpy(ustr_buf, longpath + lp, tmplen * sizeof(WCHAR)); |
| ustr_buf[tmplen] = '\0'; |
| ustr.Length = tmplen * sizeof(WCHAR); |
| if (RtlIsNameLegalDOS8Dot3(&ustr, NULL, &spaces) && !spaces) |
| { |
| sp += tmplen; |
| lp += tmplen; |
| continue; |
| } |
| } |
| |
| /* Check if the file exists and use the existing short file name */ |
| goit = FindFirstFileW(tmpshortpath, &wfd); |
| if (goit == INVALID_HANDLE_VALUE) goto notfound; |
| FindClose(goit); |
| strcpyW(tmpshortpath + sp, wfd.cAlternateFileName); |
| sp += strlenW(tmpshortpath + sp); |
| lp += tmplen; |
| } |
| tmpshortpath[sp] = 0; |
| |
| tmplen = strlenW(tmpshortpath) + 1; |
| if (tmplen <= shortlen) |
| { |
| strcpyW(shortpath, tmpshortpath); |
| TRACE("returning %s\n", debugstr_w(shortpath)); |
| tmplen--; /* length without 0 */ |
| } |
| |
| return tmplen; |
| |
| notfound: |
| TRACE("not found!\n" ); |
| SetLastError ( ERROR_FILE_NOT_FOUND ); |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * GetShortPathNameA (KERNEL32.@) |
| */ |
| DWORD WINAPI GetShortPathNameA( LPCSTR longpath, LPSTR shortpath, DWORD shortlen ) |
| { |
| UNICODE_STRING longpathW; |
| WCHAR shortpathW[MAX_PATH]; |
| DWORD ret, retW; |
| |
| if (!longpath) |
| { |
| SetLastError(ERROR_INVALID_PARAMETER); |
| return 0; |
| } |
| |
| TRACE("%s\n", debugstr_a(longpath)); |
| |
| if (!RtlCreateUnicodeStringFromAsciiz(&longpathW, longpath)) |
| { |
| SetLastError(ERROR_NOT_ENOUGH_MEMORY); |
| return 0; |
| } |
| |
| retW = GetShortPathNameW(longpathW.Buffer, shortpathW, MAX_PATH); |
| |
| if (!retW) |
| ret = 0; |
| else if (retW > MAX_PATH) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| ret = 0; |
| } |
| else |
| { |
| ret = WideCharToMultiByte(CP_ACP, 0, shortpathW, -1, NULL, 0, NULL, NULL); |
| if (ret <= shortlen) |
| { |
| WideCharToMultiByte(CP_ACP, 0, shortpathW, -1, shortpath, shortlen, NULL, NULL); |
| ret--; /* length without 0 */ |
| } |
| } |
| |
| RtlFreeUnicodeString(&longpathW); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetTempPathA (KERNEL32.@) |
| */ |
| UINT WINAPI GetTempPathA( UINT count, LPSTR path ) |
| { |
| WCHAR pathW[MAX_PATH]; |
| UINT ret; |
| |
| ret = GetTempPathW(MAX_PATH, pathW); |
| |
| if (!ret) |
| return 0; |
| |
| if (ret > MAX_PATH) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| return 0; |
| } |
| |
| ret = WideCharToMultiByte(CP_ACP, 0, pathW, -1, NULL, 0, NULL, NULL); |
| if (ret <= count) |
| { |
| WideCharToMultiByte(CP_ACP, 0, pathW, -1, path, count, NULL, NULL); |
| ret--; /* length without 0 */ |
| } |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetTempPathW (KERNEL32.@) |
| */ |
| UINT WINAPI GetTempPathW( UINT count, LPWSTR path ) |
| { |
| static const WCHAR tmp[] = { 'T', 'M', 'P', 0 }; |
| static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 }; |
| WCHAR tmp_path[MAX_PATH]; |
| UINT ret; |
| |
| TRACE("%u,%p\n", count, path); |
| |
| if (!(ret = GetEnvironmentVariableW( tmp, tmp_path, MAX_PATH ))) |
| if (!(ret = GetEnvironmentVariableW( temp, tmp_path, MAX_PATH ))) |
| if (!(ret = GetCurrentDirectoryW( MAX_PATH, tmp_path ))) |
| return 0; |
| |
| if (ret > MAX_PATH) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| return 0; |
| } |
| |
| ret = GetFullPathNameW(tmp_path, MAX_PATH, tmp_path, NULL); |
| if (!ret) return 0; |
| |
| if (ret > MAX_PATH - 2) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| return 0; |
| } |
| |
| if (tmp_path[ret-1] != '\\') |
| { |
| tmp_path[ret++] = '\\'; |
| tmp_path[ret] = '\0'; |
| } |
| |
| ret++; /* add space for terminating 0 */ |
| |
| if (count) |
| { |
| lstrcpynW(path, tmp_path, count); |
| if (count >= ret) |
| ret--; /* return length without 0 */ |
| else if (count < 4) |
| path[0] = 0; /* avoid returning ambiguous "X:" */ |
| } |
| |
| TRACE("returning %u, %s\n", ret, debugstr_w(path)); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * contains_pathW |
| * |
| * Check if the file name contains a path; helper for SearchPathW. |
| * A relative path is not considered a path unless it starts with ./ or ../ |
| */ |
| inline static BOOL contains_pathW (LPCWSTR name) |
| { |
| if (RtlDetermineDosPathNameType_U( name ) != RELATIVE_PATH) return TRUE; |
| if (name[0] != '.') return FALSE; |
| if (name[1] == '/' || name[1] == '\\') return TRUE; |
| return (name[1] == '.' && (name[2] == '/' || name[2] == '\\')); |
| } |
| |
| |
| /*********************************************************************** |
| * SearchPathW [KERNEL32.@] |
| * |
| * Searches for a specified file in the search path. |
| * |
| * PARAMS |
| * path [I] Path to search |
| * name [I] Filename to search for. |
| * ext [I] File extension to append to file name. The first |
| * character must be a period. This parameter is |
| * specified only if the filename given does not |
| * contain an extension. |
| * buflen [I] size of buffer, in characters |
| * buffer [O] buffer for found filename |
| * lastpart [O] address of pointer to last used character in |
| * buffer (the final '\') |
| * |
| * RETURNS |
| * Success: length of string copied into buffer, not including |
| * terminating null character. If the filename found is |
| * longer than the length of the buffer, the length of the |
| * filename is returned. |
| * Failure: Zero |
| * |
| * NOTES |
| * If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND) |
| * (tested on NT 4.0) |
| */ |
| DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext, DWORD buflen, |
| LPWSTR buffer, LPWSTR *lastpart ) |
| { |
| DWORD ret = 0; |
| |
| /* If the name contains an explicit path, ignore the path */ |
| |
| if (contains_pathW(name)) |
| { |
| /* try first without extension */ |
| if (RtlDoesFileExists_U( name )) |
| return GetFullPathNameW( name, buflen, buffer, lastpart ); |
| |
| if (ext) |
| { |
| LPCWSTR p = strrchrW( name, '.' ); |
| if (p && !strchrW( p, '/' ) && !strchrW( p, '\\' )) |
| ext = NULL; /* Ignore the specified extension */ |
| } |
| |
| /* Allocate a buffer for the file name and extension */ |
| if (ext) |
| { |
| LPWSTR tmp; |
| DWORD len = strlenW(name) + strlenW(ext); |
| |
| if (!(tmp = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) |
| { |
| SetLastError( ERROR_OUTOFMEMORY ); |
| return 0; |
| } |
| strcpyW( tmp, name ); |
| strcatW( tmp, ext ); |
| if (RtlDoesFileExists_U( tmp )) |
| ret = GetFullPathNameW( tmp, buflen, buffer, lastpart ); |
| HeapFree( GetProcessHeap(), 0, tmp ); |
| } |
| } |
| else if (path && path[0]) /* search in the specified path */ |
| { |
| ret = RtlDosSearchPath_U( path, name, ext, buflen * sizeof(WCHAR), |
| buffer, lastpart ) / sizeof(WCHAR); |
| } |
| else /* search in the default path */ |
| { |
| WCHAR *dll_path = MODULE_get_dll_load_path( NULL ); |
| |
| if (dll_path) |
| { |
| ret = RtlDosSearchPath_U( dll_path, name, ext, buflen * sizeof(WCHAR), |
| buffer, lastpart ) / sizeof(WCHAR); |
| HeapFree( GetProcessHeap(), 0, dll_path ); |
| } |
| else |
| { |
| SetLastError( ERROR_OUTOFMEMORY ); |
| return 0; |
| } |
| } |
| |
| if (!ret) SetLastError( ERROR_FILE_NOT_FOUND ); |
| else TRACE( "found %s\n", debugstr_w(buffer) ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * SearchPathA (KERNEL32.@) |
| */ |
| DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext, |
| DWORD buflen, LPSTR buffer, LPSTR *lastpart ) |
| { |
| UNICODE_STRING pathW, nameW, extW; |
| WCHAR bufferW[MAX_PATH]; |
| DWORD ret, retW; |
| |
| if (path) RtlCreateUnicodeStringFromAsciiz(&pathW, path); |
| else pathW.Buffer = NULL; |
| if (name) RtlCreateUnicodeStringFromAsciiz(&nameW, name); |
| else nameW.Buffer = NULL; |
| if (ext) RtlCreateUnicodeStringFromAsciiz(&extW, ext); |
| else extW.Buffer = NULL; |
| |
| retW = SearchPathW(pathW.Buffer, nameW.Buffer, extW.Buffer, MAX_PATH, bufferW, NULL); |
| |
| if (!retW) |
| ret = 0; |
| else if (retW > MAX_PATH) |
| { |
| SetLastError(ERROR_FILENAME_EXCED_RANGE); |
| ret = 0; |
| } |
| else |
| { |
| ret = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL); |
| if (buflen >= ret) |
| { |
| WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, buflen, NULL, NULL); |
| ret--; /* length without 0 */ |
| if (lastpart) *lastpart = strrchr(buffer, '\\') + 1; |
| } |
| } |
| |
| RtlFreeUnicodeString(&pathW); |
| RtlFreeUnicodeString(&nameW); |
| RtlFreeUnicodeString(&extW); |
| return ret; |
| } |
