4 * Copyright 1999, 2000 Juergen Schmied
5 * Copyright 2001, 2002 Jon Griffiths
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.
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.
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
23 #include "wine/port.h"
29 #include "wine/unicode.h"
36 #define NO_SHLWAPI_STREAM
38 #include "wine/debug.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(shell);
42 /* Get a function pointer from a DLL handle */
43 #define GET_FUNC(func, module, name, fail) \
46 if (!SHLWAPI_h##module && !(SHLWAPI_h##module = LoadLibraryA(#module ".dll"))) return fail; \
47 func = (fn##func)GetProcAddress(SHLWAPI_h##module, name); \
48 if (!func) return fail; \
52 /* DLL handles for late bound calls */
53 static HMODULE SHLWAPI_hshell32;
55 /* Function pointers for GET_FUNC macro; these need to be global because of gcc bug */
56 typedef BOOL (WINAPI *fnpIsNetDrive)(int);
57 static fnpIsNetDrive pIsNetDrive;
59 HRESULT WINAPI SHGetWebFolderFilePathW(LPCWSTR,LPWSTR,DWORD);
61 /*************************************************************************
62 * PathAppendA [SHLWAPI.@]
64 * Append one path to another.
67 * lpszPath [I/O] Initial part of path, and destination for output
68 * lpszAppend [I] Path to append
71 * Success: TRUE. lpszPath contains the newly created path.
72 * Failure: FALSE, if either path is NULL, or PathCombineA() fails.
75 * lpszAppend must contain at least one backslash ('\') if not NULL.
76 * Because PathCombineA() is used to join the paths, the resulting
77 * path is also canonicalized.
79 BOOL WINAPI PathAppendA (LPSTR lpszPath, LPCSTR lpszAppend)
81 TRACE("(%s,%s)\n",debugstr_a(lpszPath), debugstr_a(lpszAppend));
83 if (lpszPath && lpszAppend)
85 if (!PathIsUNCA(lpszAppend))
86 while (*lpszAppend == '\\')
88 if (PathCombineA(lpszPath, lpszPath, lpszAppend))
94 /*************************************************************************
95 * PathAppendW [SHLWAPI.@]
99 BOOL WINAPI PathAppendW(LPWSTR lpszPath, LPCWSTR lpszAppend)
101 TRACE("(%s,%s)\n",debugstr_w(lpszPath), debugstr_w(lpszAppend));
103 if (lpszPath && lpszAppend)
105 if (!PathIsUNCW(lpszAppend))
106 while (*lpszAppend == '\\')
108 if (PathCombineW(lpszPath, lpszPath, lpszAppend))
114 /*************************************************************************
115 * PathCombineA [SHLWAPI.@]
117 * Combine two paths together.
120 * lpszDest [O] Destination for combined path
121 * lpszDir [I] Directory path
122 * lpszFile [I] File path
125 * Success: The output path
126 * Failure: NULL, if inputs are invalid.
129 * lpszDest should be at least MAX_PATH in size, and may point to the same
130 * memory location as lpszDir. The combined path is canonicalised.
132 LPSTR WINAPI PathCombineA(LPSTR lpszDest, LPCSTR lpszDir, LPCSTR lpszFile)
134 WCHAR szDest[MAX_PATH];
135 WCHAR szDir[MAX_PATH];
136 WCHAR szFile[MAX_PATH];
137 TRACE("(%p,%s,%s)\n", lpszDest, debugstr_a(lpszDir), debugstr_a(lpszFile));
139 /* Invalid parameters */
142 if (!lpszDir && !lpszFile)
149 MultiByteToWideChar(CP_ACP,0,lpszDir,-1,szDir,MAX_PATH);
151 MultiByteToWideChar(CP_ACP,0,lpszFile,-1,szFile,MAX_PATH);
153 if (PathCombineW(szDest, lpszDir ? szDir : NULL, lpszFile ? szFile : NULL))
154 if (WideCharToMultiByte(CP_ACP,0,szDest,-1,lpszDest,MAX_PATH,0,0))
161 /*************************************************************************
162 * PathCombineW [SHLWAPI.@]
166 LPWSTR WINAPI PathCombineW(LPWSTR lpszDest, LPCWSTR lpszDir, LPCWSTR lpszFile)
168 WCHAR szTemp[MAX_PATH];
169 BOOL bUseBoth = FALSE, bStrip = FALSE;
171 TRACE("(%p,%s,%s)\n", lpszDest, debugstr_w(lpszDir), debugstr_w(lpszFile));
173 /* Invalid parameters */
176 if (!lpszDir && !lpszFile)
182 if ((!lpszFile || !*lpszFile) && lpszDir)
185 lstrcpynW(szTemp, lpszDir, MAX_PATH);
187 else if (!lpszDir || !*lpszDir || !PathIsRelativeW(lpszFile))
189 if (!lpszDir || !*lpszDir || *lpszFile != '\\' || PathIsUNCW(lpszFile))
192 lstrcpynW(szTemp, lpszFile, MAX_PATH);
205 lstrcpynW(szTemp, lpszDir, MAX_PATH);
208 PathStripToRootW(szTemp);
209 lpszFile++; /* Skip '\' */
211 if (!PathAddBackslashW(szTemp) || strlenW(szTemp) + strlenW(lpszFile) >= MAX_PATH)
216 strcatW(szTemp, lpszFile);
219 PathCanonicalizeW(lpszDest, szTemp);
223 /*************************************************************************
224 * PathAddBackslashA [SHLWAPI.@]
226 * Append a backslash ('\') to a path if one doesn't exist.
229 * lpszPath [I/O] The path to append a backslash to.
232 * Success: The position of the last backslash in the path.
233 * Failure: NULL, if lpszPath is NULL or the path is too large.
235 LPSTR WINAPI PathAddBackslashA(LPSTR lpszPath)
239 TRACE("(%s)\n",debugstr_a(lpszPath));
241 if (!lpszPath || (iLen = strlen(lpszPath)) >= MAX_PATH)
247 if (lpszPath[-1] != '\\')
256 /*************************************************************************
257 * PathAddBackslashW [SHLWAPI.@]
259 * See PathAddBackslashA.
261 LPWSTR WINAPI PathAddBackslashW( LPWSTR lpszPath )
265 TRACE("(%s)\n",debugstr_w(lpszPath));
267 if (!lpszPath || (iLen = strlenW(lpszPath)) >= MAX_PATH)
273 if (lpszPath[-1] != '\\')
282 /*************************************************************************
283 * PathBuildRootA [SHLWAPI.@]
285 * Create a root drive string (e.g. "A:\") from a drive number.
288 * lpszPath [O] Destination for the drive string
294 * If lpszPath is NULL or drive is invalid, nothing is written to lpszPath.
296 LPSTR WINAPI PathBuildRootA(LPSTR lpszPath, int drive)
298 TRACE("(%p,%d)\n", lpszPath, drive);
300 if (lpszPath && drive >= 0 && drive < 26)
302 lpszPath[0] = 'A' + drive;
310 /*************************************************************************
311 * PathBuildRootW [SHLWAPI.@]
313 * See PathBuildRootA.
315 LPWSTR WINAPI PathBuildRootW(LPWSTR lpszPath, int drive)
317 TRACE("(%p,%d)\n", lpszPath, drive);
319 if (lpszPath && drive >= 0 && drive < 26)
321 lpszPath[0] = 'A' + drive;
329 /*************************************************************************
330 * PathFindFileNameA [SHLWAPI.@]
332 * Locate the start of the file name in a path
335 * lpszPath [I] Path to search
338 * A pointer to the first character of the file name
340 LPSTR WINAPI PathFindFileNameA(LPCSTR lpszPath)
342 LPCSTR lastSlash = lpszPath;
344 TRACE("(%s)\n",debugstr_a(lpszPath));
346 while (lpszPath && *lpszPath)
348 if ((*lpszPath == '\\' || *lpszPath == '/' || *lpszPath == ':') &&
349 lpszPath[1] && lpszPath[1] != '\\' && lpszPath[1] != '/')
350 lastSlash = lpszPath + 1;
351 lpszPath = CharNextA(lpszPath);
353 return (LPSTR)lastSlash;
356 /*************************************************************************
357 * PathFindFileNameW [SHLWAPI.@]
359 * See PathFindFileNameA.
361 LPWSTR WINAPI PathFindFileNameW(LPCWSTR lpszPath)
363 LPCWSTR lastSlash = lpszPath;
365 TRACE("(%s)\n",debugstr_w(lpszPath));
367 while (lpszPath && *lpszPath)
369 if ((*lpszPath == '\\' || *lpszPath == '/' || *lpszPath == ':') &&
370 lpszPath[1] && lpszPath[1] != '\\' && lpszPath[1] != '/')
371 lastSlash = lpszPath + 1;
374 return (LPWSTR)lastSlash;
377 /*************************************************************************
378 * PathFindExtensionA [SHLWAPI.@]
380 * Locate the start of the file extension in a path
383 * lpszPath [I] The path to search
386 * A pointer to the first character of the extension, the end of
387 * the string if the path has no extension, or NULL If lpszPath is NULL
389 LPSTR WINAPI PathFindExtensionA( LPCSTR lpszPath )
391 LPCSTR lastpoint = NULL;
393 TRACE("(%s)\n", debugstr_a(lpszPath));
399 if (*lpszPath == '\\' || *lpszPath==' ')
401 else if (*lpszPath == '.')
402 lastpoint = lpszPath;
403 lpszPath = CharNextA(lpszPath);
406 return (LPSTR)(lastpoint ? lastpoint : lpszPath);
409 /*************************************************************************
410 * PathFindExtensionW [SHLWAPI.@]
412 * See PathFindExtensionA.
414 LPWSTR WINAPI PathFindExtensionW( LPCWSTR lpszPath )
416 LPCWSTR lastpoint = NULL;
418 TRACE("(%s)\n", debugstr_w(lpszPath));
424 if (*lpszPath == '\\' || *lpszPath==' ')
426 else if (*lpszPath == '.')
427 lastpoint = lpszPath;
431 return (LPWSTR)(lastpoint ? lastpoint : lpszPath);
434 /*************************************************************************
435 * PathGetArgsA [SHLWAPI.@]
437 * Find the next argument in a string delimited by spaces.
440 * lpszPath [I] The string to search for arguments in
443 * The start of the next argument in lpszPath, or NULL if lpszPath is NULL
446 * Spaces in quoted strings are ignored as delimiters.
448 LPSTR WINAPI PathGetArgsA(LPCSTR lpszPath)
450 BOOL bSeenQuote = FALSE;
452 TRACE("(%s)\n",debugstr_a(lpszPath));
458 if ((*lpszPath==' ') && !bSeenQuote)
459 return (LPSTR)lpszPath + 1;
460 if (*lpszPath == '"')
461 bSeenQuote = !bSeenQuote;
462 lpszPath = CharNextA(lpszPath);
465 return (LPSTR)lpszPath;
468 /*************************************************************************
469 * PathGetArgsW [SHLWAPI.@]
473 LPWSTR WINAPI PathGetArgsW(LPCWSTR lpszPath)
475 BOOL bSeenQuote = FALSE;
477 TRACE("(%s)\n",debugstr_w(lpszPath));
483 if ((*lpszPath==' ') && !bSeenQuote)
484 return (LPWSTR)lpszPath + 1;
485 if (*lpszPath == '"')
486 bSeenQuote = !bSeenQuote;
490 return (LPWSTR)lpszPath;
493 /*************************************************************************
494 * PathGetDriveNumberA [SHLWAPI.@]
496 * Return the drive number from a path
499 * lpszPath [I] Path to get the drive number from
502 * Success: The drive number corresponding to the drive in the path
503 * Failure: -1, if lpszPath contains no valid drive
505 int WINAPI PathGetDriveNumberA(LPCSTR lpszPath)
507 TRACE ("(%s)\n",debugstr_a(lpszPath));
509 if (lpszPath && !IsDBCSLeadByte(*lpszPath) && lpszPath[1] == ':' &&
510 tolower(*lpszPath) >= 'a' && tolower(*lpszPath) <= 'z')
511 return tolower(*lpszPath) - 'a';
515 /*************************************************************************
516 * PathGetDriveNumberW [SHLWAPI.@]
518 * See PathGetDriveNumberA.
520 int WINAPI PathGetDriveNumberW(LPCWSTR lpszPath)
522 TRACE ("(%s)\n",debugstr_w(lpszPath));
526 WCHAR tl = tolowerW(lpszPath[0]);
527 if (tl >= 'a' && tl <= 'z' && lpszPath[1] == ':')
533 /*************************************************************************
534 * PathRemoveFileSpecA [SHLWAPI.@]
536 * Remove the file specification from a path.
539 * lpszPath [I/O] Path to remove the file spec from
542 * TRUE If the path was valid and modified
545 BOOL WINAPI PathRemoveFileSpecA(LPSTR lpszPath)
547 LPSTR lpszFileSpec = lpszPath;
548 BOOL bModified = FALSE;
550 TRACE("(%s)\n",debugstr_a(lpszPath));
554 /* Skip directory or UNC path */
555 if (*lpszPath == '\\')
556 lpszFileSpec = ++lpszPath;
557 if (*lpszPath == '\\')
558 lpszFileSpec = ++lpszPath;
562 if(*lpszPath == '\\')
563 lpszFileSpec = lpszPath; /* Skip dir */
564 else if(*lpszPath == ':')
566 lpszFileSpec = ++lpszPath; /* Skip drive */
567 if (*lpszPath == '\\')
570 if (!(lpszPath = CharNextA(lpszPath)))
576 *lpszFileSpec = '\0';
583 /*************************************************************************
584 * PathRemoveFileSpecW [SHLWAPI.@]
586 * See PathRemoveFileSpecA.
588 BOOL WINAPI PathRemoveFileSpecW(LPWSTR lpszPath)
590 LPWSTR lpszFileSpec = lpszPath;
591 BOOL bModified = FALSE;
593 TRACE("(%s)\n",debugstr_w(lpszPath));
597 /* Skip directory or UNC path */
598 if (*lpszPath == '\\')
599 lpszFileSpec = ++lpszPath;
600 if (*lpszPath == '\\')
601 lpszFileSpec = ++lpszPath;
605 if(*lpszPath == '\\')
606 lpszFileSpec = lpszPath; /* Skip dir */
607 else if(*lpszPath == ':')
609 lpszFileSpec = ++lpszPath; /* Skip drive */
610 if (*lpszPath == '\\')
618 *lpszFileSpec = '\0';
625 /*************************************************************************
626 * PathStripPathA [SHLWAPI.@]
628 * Remove the initial path from the beginning of a filename
631 * lpszPath [I/O] Path to remove the initial path from
636 void WINAPI PathStripPathA(LPSTR lpszPath)
638 TRACE("(%s)\n", debugstr_a(lpszPath));
642 LPSTR lpszFileName = PathFindFileNameA(lpszPath);
644 RtlMoveMemory(lpszPath, lpszFileName, strlen(lpszFileName)+1);
648 /*************************************************************************
649 * PathStripPathW [SHLWAPI.@]
651 * See PathStripPathA.
653 void WINAPI PathStripPathW(LPWSTR lpszPath)
657 TRACE("(%s)\n", debugstr_w(lpszPath));
658 lpszFileName = PathFindFileNameW(lpszPath);
660 RtlMoveMemory(lpszPath, lpszFileName, (strlenW(lpszFileName)+1)*sizeof(WCHAR));
663 /*************************************************************************
664 * PathStripToRootA [SHLWAPI.@]
666 * Reduce a path to its root.
669 * lpszPath [I/O] the path to reduce
672 * Success: TRUE if the stripped path is a root path
673 * Failure: FALSE if the path cannot be stripped or is NULL
675 BOOL WINAPI PathStripToRootA(LPSTR lpszPath)
677 TRACE("(%s)\n", debugstr_a(lpszPath));
681 while(!PathIsRootA(lpszPath))
682 if (!PathRemoveFileSpecA(lpszPath))
687 /*************************************************************************
688 * PathStripToRootW [SHLWAPI.@]
690 * See PathStripToRootA.
692 BOOL WINAPI PathStripToRootW(LPWSTR lpszPath)
694 TRACE("(%s)\n", debugstr_w(lpszPath));
698 while(!PathIsRootW(lpszPath))
699 if (!PathRemoveFileSpecW(lpszPath))
704 /*************************************************************************
705 * PathRemoveArgsA [SHLWAPI.@]
707 * Strip space separated arguments from a path.
710 * lpszPath [I/O] Path to remove arguments from
715 void WINAPI PathRemoveArgsA(LPSTR lpszPath)
717 TRACE("(%s)\n",debugstr_a(lpszPath));
721 LPSTR lpszArgs = PathGetArgsA(lpszPath);
726 LPSTR lpszLastChar = CharPrevA(lpszPath, lpszArgs);
727 if(*lpszLastChar == ' ')
728 *lpszLastChar = '\0';
733 /*************************************************************************
734 * PathRemoveArgsW [SHLWAPI.@]
736 * See PathRemoveArgsA.
738 void WINAPI PathRemoveArgsW(LPWSTR lpszPath)
740 TRACE("(%s)\n",debugstr_w(lpszPath));
744 LPWSTR lpszArgs = PathGetArgsW(lpszPath);
745 if (*lpszArgs || (lpszArgs > lpszPath && lpszArgs[-1] == ' '))
750 /*************************************************************************
751 * PathRemoveExtensionA [SHLWAPI.@]
753 * Remove the file extension from a path
756 * lpszPath [I/O] Path to remove the extension from
761 void WINAPI PathRemoveExtensionA(LPSTR lpszPath)
763 TRACE("(%s)\n", debugstr_a(lpszPath));
767 lpszPath = PathFindExtensionA(lpszPath);
772 /*************************************************************************
773 * PathRemoveExtensionW [SHLWAPI.@]
775 * See PathRemoveExtensionA.
777 void WINAPI PathRemoveExtensionW(LPWSTR lpszPath)
779 TRACE("(%s)\n", debugstr_w(lpszPath));
783 lpszPath = PathFindExtensionW(lpszPath);
788 /*************************************************************************
789 * PathRemoveBackslashA [SHLWAPI.@]
791 * Remove a trailing backslash from a path.
794 * lpszPath [I/O] Path to remove backslash from
797 * Success: A pointer to the end of the path
798 * Failure: NULL, if lpszPath is NULL
800 LPSTR WINAPI PathRemoveBackslashA( LPSTR lpszPath )
804 TRACE("(%s)\n", debugstr_a(lpszPath));
808 szTemp = CharPrevA(lpszPath, lpszPath + strlen(lpszPath));
809 if (!PathIsRootA(lpszPath) && *szTemp == '\\')
815 /*************************************************************************
816 * PathRemoveBackslashW [SHLWAPI.@]
818 * See PathRemoveBackslashA.
820 LPWSTR WINAPI PathRemoveBackslashW( LPWSTR lpszPath )
822 LPWSTR szTemp = NULL;
824 TRACE("(%s)\n", debugstr_w(lpszPath));
828 szTemp = lpszPath + strlenW(lpszPath);
829 if (szTemp > lpszPath) szTemp--;
830 if (!PathIsRootW(lpszPath) && *szTemp == '\\')
836 /*************************************************************************
837 * PathRemoveBlanksA [SHLWAPI.@]
839 * Remove Spaces from the start and end of a path.
842 * lpszPath [I/O] Path to strip blanks from
847 VOID WINAPI PathRemoveBlanksA(LPSTR lpszPath)
849 TRACE("(%s)\n", debugstr_a(lpszPath));
851 if(lpszPath && *lpszPath)
853 LPSTR start = lpszPath;
855 while (*lpszPath == ' ')
856 lpszPath = CharNextA(lpszPath);
859 *start++ = *lpszPath++;
861 if (start != lpszPath)
862 while (start[-1] == ' ')
868 /*************************************************************************
869 * PathRemoveBlanksW [SHLWAPI.@]
871 * See PathRemoveBlanksA.
873 VOID WINAPI PathRemoveBlanksW(LPWSTR lpszPath)
875 TRACE("(%s)\n", debugstr_w(lpszPath));
877 if(lpszPath && *lpszPath)
879 LPWSTR start = lpszPath;
881 while (*lpszPath == ' ')
885 *start++ = *lpszPath++;
887 if (start != lpszPath)
888 while (start[-1] == ' ')
894 /*************************************************************************
895 * PathQuoteSpacesA [SHLWAPI.@]
897 * Surround a path containing spaces in quotes.
900 * lpszPath [I/O] Path to quote
906 * The path is not changed if it is invalid or has no spaces.
908 VOID WINAPI PathQuoteSpacesA(LPSTR lpszPath)
910 TRACE("(%s)\n", debugstr_a(lpszPath));
912 if(lpszPath && StrChrA(lpszPath,' '))
914 size_t iLen = strlen(lpszPath) + 1;
916 if (iLen + 2 < MAX_PATH)
918 memmove(lpszPath + 1, lpszPath, iLen);
920 lpszPath[iLen] = '"';
921 lpszPath[iLen + 1] = '\0';
926 /*************************************************************************
927 * PathQuoteSpacesW [SHLWAPI.@]
929 * See PathQuoteSpacesA.
931 VOID WINAPI PathQuoteSpacesW(LPWSTR lpszPath)
933 TRACE("(%s)\n", debugstr_w(lpszPath));
935 if(lpszPath && StrChrW(lpszPath,' '))
937 int iLen = strlenW(lpszPath) + 1;
939 if (iLen + 2 < MAX_PATH)
941 memmove(lpszPath + 1, lpszPath, iLen * sizeof(WCHAR));
943 lpszPath[iLen] = '"';
944 lpszPath[iLen + 1] = '\0';
949 /*************************************************************************
950 * PathUnquoteSpacesA [SHLWAPI.@]
952 * Remove quotes ("") from around a path, if present.
955 * lpszPath [I/O] Path to strip quotes from
961 * If the path contains a single quote only, an empty string will result.
962 * Otherwise quotes are only removed if they appear at the start and end
965 VOID WINAPI PathUnquoteSpacesA(LPSTR lpszPath)
967 TRACE("(%s)\n", debugstr_a(lpszPath));
969 if (lpszPath && *lpszPath == '"')
971 DWORD dwLen = strlen(lpszPath) - 1;
973 if (lpszPath[dwLen] == '"')
975 lpszPath[dwLen] = '\0';
976 for (; *lpszPath; lpszPath++)
977 *lpszPath = lpszPath[1];
982 /*************************************************************************
983 * PathUnquoteSpacesW [SHLWAPI.@]
985 * See PathUnquoteSpacesA.
987 VOID WINAPI PathUnquoteSpacesW(LPWSTR lpszPath)
989 TRACE("(%s)\n", debugstr_w(lpszPath));
991 if (lpszPath && *lpszPath == '"')
993 DWORD dwLen = strlenW(lpszPath) - 1;
995 if (lpszPath[dwLen] == '"')
997 lpszPath[dwLen] = '\0';
998 for (; *lpszPath; lpszPath++)
999 *lpszPath = lpszPath[1];
1004 /*************************************************************************
1005 * PathParseIconLocationA [SHLWAPI.@]
1007 * Parse the location of an icon from a path.
1010 * lpszPath [I/O] The path to parse the icon location from.
1013 * Success: The number of the icon
1014 * Failure: 0 if the path does not contain an icon location or is NULL
1017 * The path has surrounding quotes and spaces removed regardless
1018 * of whether the call succeeds or not.
1020 int WINAPI PathParseIconLocationA(LPSTR lpszPath)
1025 TRACE("(%s)\n", debugstr_a(lpszPath));
1029 if ((lpszComma = strchr(lpszPath, ',')))
1031 *lpszComma++ = '\0';
1032 iRet = StrToIntA(lpszComma);
1034 PathUnquoteSpacesA(lpszPath);
1035 PathRemoveBlanksA(lpszPath);
1040 /*************************************************************************
1041 * PathParseIconLocationW [SHLWAPI.@]
1043 * See PathParseIconLocationA.
1045 int WINAPI PathParseIconLocationW(LPWSTR lpszPath)
1050 TRACE("(%s)\n", debugstr_w(lpszPath));
1054 if ((lpszComma = StrChrW(lpszPath, ',')))
1056 *lpszComma++ = '\0';
1057 iRet = StrToIntW(lpszComma);
1059 PathUnquoteSpacesW(lpszPath);
1060 PathRemoveBlanksW(lpszPath);
1065 /*************************************************************************
1068 * Unicode version of PathFileExistsDefExtA.
1070 BOOL WINAPI PathFileExistsDefExtW(LPWSTR lpszPath,DWORD dwWhich)
1072 static const WCHAR pszExts[7][5] = { { '.', 'p', 'i', 'f', 0},
1073 { '.', 'c', 'o', 'm', 0},
1074 { '.', 'e', 'x', 'e', 0},
1075 { '.', 'b', 'a', 't', 0},
1076 { '.', 'l', 'n', 'k', 0},
1077 { '.', 'c', 'm', 'd', 0},
1080 TRACE("(%s,%d)\n", debugstr_w(lpszPath), dwWhich);
1082 if (!lpszPath || PathIsUNCServerW(lpszPath) || PathIsUNCServerShareW(lpszPath))
1087 LPCWSTR szExt = PathFindExtensionW(lpszPath);
1088 if (!*szExt || dwWhich & 0x40)
1091 int iLen = lstrlenW(lpszPath);
1092 if (iLen > (MAX_PATH - 5))
1094 while ( (dwWhich & 0x1) && pszExts[iChoose][0] )
1096 lstrcpyW(lpszPath + iLen, pszExts[iChoose]);
1097 if (PathFileExistsW(lpszPath))
1102 *(lpszPath + iLen) = (WCHAR)'\0';
1106 return PathFileExistsW(lpszPath);
1109 /*************************************************************************
1112 * Determine if a file exists locally and is of an executable type.
1115 * lpszPath [I/O] File to search for
1116 * dwWhich [I] Type of executable to search for
1119 * TRUE If the file was found. lpszPath contains the file name.
1123 * lpszPath is modified in place and must be at least MAX_PATH in length.
1124 * If the function returns FALSE, the path is modified to its original state.
1125 * If the given path contains an extension or dwWhich is 0, executable
1126 * extensions are not checked.
1128 * Ordinals 3-6 are a classic case of MS exposing limited functionality to
1129 * users (here through PathFindOnPathA()) and keeping advanced functionality for
1130 * their own developers exclusive use. Monopoly, anyone?
1132 BOOL WINAPI PathFileExistsDefExtA(LPSTR lpszPath,DWORD dwWhich)
1136 TRACE("(%s,%d)\n", debugstr_a(lpszPath), dwWhich);
1140 WCHAR szPath[MAX_PATH];
1141 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
1142 bRet = PathFileExistsDefExtW(szPath, dwWhich);
1144 WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
1149 /*************************************************************************
1150 * SHLWAPI_PathFindInOtherDirs
1152 * Internal helper for SHLWAPI_PathFindOnPathExA/W.
1154 static BOOL WINAPI SHLWAPI_PathFindInOtherDirs(LPWSTR lpszFile, DWORD dwWhich)
1156 static const WCHAR szSystem[] = { 'S','y','s','t','e','m','\0'};
1157 static const WCHAR szPath[] = { 'P','A','T','H','\0'};
1161 WCHAR buff[MAX_PATH];
1163 TRACE("(%s,%08x)\n", debugstr_w(lpszFile), dwWhich);
1165 /* Try system directories */
1166 GetSystemDirectoryW(buff, MAX_PATH);
1167 if (!PathAppendW(buff, lpszFile))
1169 if (PathFileExistsDefExtW(buff, dwWhich))
1171 strcpyW(lpszFile, buff);
1174 GetWindowsDirectoryW(buff, MAX_PATH);
1175 if (!PathAppendW(buff, szSystem ) || !PathAppendW(buff, lpszFile))
1177 if (PathFileExistsDefExtW(buff, dwWhich))
1179 strcpyW(lpszFile, buff);
1182 GetWindowsDirectoryW(buff, MAX_PATH);
1183 if (!PathAppendW(buff, lpszFile))
1185 if (PathFileExistsDefExtW(buff, dwWhich))
1187 strcpyW(lpszFile, buff);
1190 /* Try dirs listed in %PATH% */
1191 dwLenPATH = GetEnvironmentVariableW(szPath, buff, MAX_PATH);
1193 if (!dwLenPATH || !(lpszPATH = HeapAlloc(GetProcessHeap(), 0, (dwLenPATH + 1) * sizeof (WCHAR))))
1196 GetEnvironmentVariableW(szPath, lpszPATH, dwLenPATH + 1);
1197 lpszCurr = lpszPATH;
1200 LPCWSTR lpszEnd = lpszCurr;
1201 LPWSTR pBuff = buff;
1203 while (*lpszEnd == ' ')
1205 while (*lpszEnd && *lpszEnd != ';')
1206 *pBuff++ = *lpszEnd++;
1210 lpszCurr = lpszEnd + 1;
1212 lpszCurr = NULL; /* Last Path, terminate after this */
1214 if (!PathAppendW(buff, lpszFile))
1216 HeapFree(GetProcessHeap(), 0, lpszPATH);
1219 if (PathFileExistsDefExtW(buff, dwWhich))
1221 strcpyW(lpszFile, buff);
1222 HeapFree(GetProcessHeap(), 0, lpszPATH);
1226 HeapFree(GetProcessHeap(), 0, lpszPATH);
1230 /*************************************************************************
1233 * Search a range of paths for a specific type of executable.
1236 * lpszFile [I/O] File to search for
1237 * lppszOtherDirs [I] Other directories to look in
1238 * dwWhich [I] Type of executable to search for
1241 * Success: TRUE. The path to the executable is stored in lpszFile.
1242 * Failure: FALSE. The path to the executable is unchanged.
1244 BOOL WINAPI PathFindOnPathExA(LPSTR lpszFile,LPCSTR *lppszOtherDirs,DWORD dwWhich)
1246 WCHAR szFile[MAX_PATH];
1247 WCHAR buff[MAX_PATH];
1249 TRACE("(%s,%p,%08x)\n", debugstr_a(lpszFile), lppszOtherDirs, dwWhich);
1251 if (!lpszFile || !PathIsFileSpecA(lpszFile))
1254 MultiByteToWideChar(CP_ACP,0,lpszFile,-1,szFile,MAX_PATH);
1256 /* Search provided directories first */
1257 if (lppszOtherDirs && *lppszOtherDirs)
1259 WCHAR szOther[MAX_PATH];
1260 LPCSTR *lpszOtherPath = lppszOtherDirs;
1262 while (lpszOtherPath && *lpszOtherPath && (*lpszOtherPath)[0])
1264 MultiByteToWideChar(CP_ACP,0,*lpszOtherPath,-1,szOther,MAX_PATH);
1265 PathCombineW(buff, szOther, szFile);
1266 if (PathFileExistsDefExtW(buff, dwWhich))
1268 WideCharToMultiByte(CP_ACP,0,buff,-1,lpszFile,MAX_PATH,0,0);
1274 /* Not found, try system and path dirs */
1275 if (SHLWAPI_PathFindInOtherDirs(szFile, dwWhich))
1277 WideCharToMultiByte(CP_ACP,0,szFile,-1,lpszFile,MAX_PATH,0,0);
1283 /*************************************************************************
1286 * Unicode version of PathFindOnPathExA.
1288 BOOL WINAPI PathFindOnPathExW(LPWSTR lpszFile,LPCWSTR *lppszOtherDirs,DWORD dwWhich)
1290 WCHAR buff[MAX_PATH];
1292 TRACE("(%s,%p,%08x)\n", debugstr_w(lpszFile), lppszOtherDirs, dwWhich);
1294 if (!lpszFile || !PathIsFileSpecW(lpszFile))
1297 /* Search provided directories first */
1298 if (lppszOtherDirs && *lppszOtherDirs)
1300 LPCWSTR *lpszOtherPath = lppszOtherDirs;
1301 while (lpszOtherPath && *lpszOtherPath && (*lpszOtherPath)[0])
1303 PathCombineW(buff, *lpszOtherPath, lpszFile);
1304 if (PathFileExistsDefExtW(buff, dwWhich))
1306 strcpyW(lpszFile, buff);
1312 /* Not found, try system and path dirs */
1313 return SHLWAPI_PathFindInOtherDirs(lpszFile, dwWhich);
1316 /*************************************************************************
1317 * PathFindOnPathA [SHLWAPI.@]
1319 * Search a range of paths for an executable.
1322 * lpszFile [I/O] File to search for
1323 * lppszOtherDirs [I] Other directories to look in
1326 * Success: TRUE. The path to the executable is stored in lpszFile.
1327 * Failure: FALSE. The path to the executable is unchanged.
1329 BOOL WINAPI PathFindOnPathA(LPSTR lpszFile, LPCSTR *lppszOtherDirs)
1331 TRACE("(%s,%p)\n", debugstr_a(lpszFile), lppszOtherDirs);
1332 return PathFindOnPathExA(lpszFile, lppszOtherDirs, 0);
1335 /*************************************************************************
1336 * PathFindOnPathW [SHLWAPI.@]
1338 * See PathFindOnPathA.
1340 BOOL WINAPI PathFindOnPathW(LPWSTR lpszFile, LPCWSTR *lppszOtherDirs)
1342 TRACE("(%s,%p)\n", debugstr_w(lpszFile), lppszOtherDirs);
1343 return PathFindOnPathExW(lpszFile,lppszOtherDirs, 0);
1346 /*************************************************************************
1347 * PathCompactPathExA [SHLWAPI.@]
1349 * Compact a path into a given number of characters.
1352 * lpszDest [O] Destination for compacted path
1353 * lpszPath [I] Source path
1354 * cchMax [I] Maximum size of compacted path
1355 * dwFlags [I] Reserved
1358 * Success: TRUE. The compacted path is written to lpszDest.
1359 * Failure: FALSE. lpszPath is undefined.
1362 * If cchMax is given as 0, lpszDest will still be NUL terminated.
1364 * The Win32 version of this function contains a bug: When cchMax == 7,
1365 * 8 bytes will be written to lpszDest. This bug is fixed in the Wine
1368 * Some relative paths will be different when cchMax == 5 or 6. This occurs
1369 * because Win32 will insert a "\" in lpszDest, even if one is
1370 * not present in the original path.
1372 BOOL WINAPI PathCompactPathExA(LPSTR lpszDest, LPCSTR lpszPath,
1373 UINT cchMax, DWORD dwFlags)
1377 TRACE("(%p,%s,%d,0x%08x)\n", lpszDest, debugstr_a(lpszPath), cchMax, dwFlags);
1379 if (lpszPath && lpszDest)
1381 WCHAR szPath[MAX_PATH];
1382 WCHAR szDest[MAX_PATH];
1384 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
1386 bRet = PathCompactPathExW(szDest, szPath, cchMax, dwFlags);
1387 WideCharToMultiByte(CP_ACP,0,szDest,-1,lpszDest,MAX_PATH,0,0);
1392 /*************************************************************************
1393 * PathCompactPathExW [SHLWAPI.@]
1395 * See PathCompactPathExA.
1397 BOOL WINAPI PathCompactPathExW(LPWSTR lpszDest, LPCWSTR lpszPath,
1398 UINT cchMax, DWORD dwFlags)
1400 static const WCHAR szEllipses[] = { '.', '.', '.', '\0' };
1402 DWORD dwLen, dwFileLen = 0;
1404 TRACE("(%p,%s,%d,0x%08x)\n", lpszDest, debugstr_w(lpszPath), cchMax, dwFlags);
1411 WARN("Invalid lpszDest would crash under Win32!\n");
1420 dwLen = strlenW(lpszPath) + 1;
1424 /* Don't need to compact */
1425 memcpy(lpszDest, lpszPath, dwLen * sizeof(WCHAR));
1429 /* Path must be compacted to fit into lpszDest */
1430 lpszFile = PathFindFileNameW(lpszPath);
1431 dwFileLen = lpszPath + dwLen - lpszFile;
1433 if (dwFileLen == dwLen)
1435 /* No root in psth */
1438 while (--cchMax > 0) /* No room left for anything but ellipses */
1443 /* Compact the file name with ellipses at the end */
1445 memcpy(lpszDest, lpszFile, cchMax * sizeof(WCHAR));
1446 strcpyW(lpszDest + cchMax, szEllipses);
1449 /* We have a root in the path */
1450 lpszFile--; /* Start compacted filename with the path separator */
1453 if (dwFileLen + 3 > cchMax)
1455 /* Compact the file name */
1458 while (--cchMax > 0) /* No room left for anything but ellipses */
1463 strcpyW(lpszDest, szEllipses);
1466 *lpszDest++ = *lpszFile++;
1469 while (--cchMax > 0) /* No room left for anything but ellipses */
1475 memcpy(lpszDest, lpszFile, cchMax * sizeof(WCHAR));
1476 strcpyW(lpszDest + cchMax, szEllipses);
1480 /* Only the root needs to be Compacted */
1481 dwLen = cchMax - dwFileLen - 3;
1482 memcpy(lpszDest, lpszPath, dwLen * sizeof(WCHAR));
1483 strcpyW(lpszDest + dwLen, szEllipses);
1484 strcpyW(lpszDest + dwLen + 3, lpszFile);
1488 /*************************************************************************
1489 * PathIsRelativeA [SHLWAPI.@]
1491 * Determine if a path is a relative path.
1494 * lpszPath [I] Path to check
1497 * TRUE: The path is relative, or is invalid.
1498 * FALSE: The path is not relative.
1500 BOOL WINAPI PathIsRelativeA (LPCSTR lpszPath)
1502 TRACE("(%s)\n",debugstr_a(lpszPath));
1504 if (!lpszPath || !*lpszPath || IsDBCSLeadByte(*lpszPath))
1506 if (*lpszPath == '\\' || (*lpszPath && lpszPath[1] == ':'))
1511 /*************************************************************************
1512 * PathIsRelativeW [SHLWAPI.@]
1514 * See PathIsRelativeA.
1516 BOOL WINAPI PathIsRelativeW (LPCWSTR lpszPath)
1518 TRACE("(%s)\n",debugstr_w(lpszPath));
1520 if (!lpszPath || !*lpszPath)
1522 if (*lpszPath == '\\' || (*lpszPath && lpszPath[1] == ':'))
1527 /*************************************************************************
1528 * PathIsRootA [SHLWAPI.@]
1530 * Determine if a path is a root path.
1533 * lpszPath [I] Path to check
1536 * TRUE If lpszPath is valid and a root path,
1539 BOOL WINAPI PathIsRootA(LPCSTR lpszPath)
1541 TRACE("(%s)\n", debugstr_a(lpszPath));
1543 if (lpszPath && *lpszPath)
1545 if (*lpszPath == '\\')
1548 return TRUE; /* \ */
1549 else if (lpszPath[1]=='\\')
1551 BOOL bSeenSlash = FALSE;
1554 /* Check for UNC root path */
1557 if (*lpszPath == '\\')
1563 lpszPath = CharNextA(lpszPath);
1568 else if (lpszPath[1] == ':' && lpszPath[2] == '\\' && lpszPath[3] == '\0')
1569 return TRUE; /* X:\ */
1574 /*************************************************************************
1575 * PathIsRootW [SHLWAPI.@]
1579 BOOL WINAPI PathIsRootW(LPCWSTR lpszPath)
1581 TRACE("(%s)\n", debugstr_w(lpszPath));
1583 if (lpszPath && *lpszPath)
1585 if (*lpszPath == '\\')
1588 return TRUE; /* \ */
1589 else if (lpszPath[1]=='\\')
1591 BOOL bSeenSlash = FALSE;
1594 /* Check for UNC root path */
1597 if (*lpszPath == '\\')
1608 else if (lpszPath[1] == ':' && lpszPath[2] == '\\' && lpszPath[3] == '\0')
1609 return TRUE; /* X:\ */
1614 /*************************************************************************
1615 * PathIsDirectoryA [SHLWAPI.@]
1617 * Determine if a path is a valid directory
1620 * lpszPath [I] Path to check.
1623 * FILE_ATTRIBUTE_DIRECTORY if lpszPath exists and can be read (See Notes)
1624 * FALSE if lpszPath is invalid or not a directory.
1627 * Although this function is prototyped as returning a BOOL, it returns
1628 * FILE_ATTRIBUTE_DIRECTORY for success. This means that code such as:
1630 *| if (PathIsDirectoryA("c:\\windows\\") == TRUE)
1635 BOOL WINAPI PathIsDirectoryA(LPCSTR lpszPath)
1639 TRACE("(%s)\n", debugstr_a(lpszPath));
1641 if (!lpszPath || PathIsUNCServerA(lpszPath))
1644 if (PathIsUNCServerShareA(lpszPath))
1646 FIXME("UNC Server Share not yet supported - FAILING\n");
1650 if ((dwAttr = GetFileAttributesA(lpszPath)) == INVALID_FILE_ATTRIBUTES)
1652 return dwAttr & FILE_ATTRIBUTE_DIRECTORY;
1655 /*************************************************************************
1656 * PathIsDirectoryW [SHLWAPI.@]
1658 * See PathIsDirectoryA.
1660 BOOL WINAPI PathIsDirectoryW(LPCWSTR lpszPath)
1664 TRACE("(%s)\n", debugstr_w(lpszPath));
1666 if (!lpszPath || PathIsUNCServerW(lpszPath))
1669 if (PathIsUNCServerShareW(lpszPath))
1671 FIXME("UNC Server Share not yet supported - FAILING\n");
1675 if ((dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES)
1677 return dwAttr & FILE_ATTRIBUTE_DIRECTORY;
1680 /*************************************************************************
1681 * PathFileExistsA [SHLWAPI.@]
1683 * Determine if a file exists.
1686 * lpszPath [I] Path to check
1689 * TRUE If the file exists and is readable
1692 BOOL WINAPI PathFileExistsA(LPCSTR lpszPath)
1697 TRACE("(%s)\n",debugstr_a(lpszPath));
1702 /* Prevent a dialog box if path is on a disk that has been ejected. */
1703 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1704 dwAttr = GetFileAttributesA(lpszPath);
1705 SetErrorMode(iPrevErrMode);
1706 return dwAttr == INVALID_FILE_ATTRIBUTES ? FALSE : TRUE;
1709 /*************************************************************************
1710 * PathFileExistsW [SHLWAPI.@]
1712 * See PathFileExistsA.
1714 BOOL WINAPI PathFileExistsW(LPCWSTR lpszPath)
1719 TRACE("(%s)\n",debugstr_w(lpszPath));
1724 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1725 dwAttr = GetFileAttributesW(lpszPath);
1726 SetErrorMode(iPrevErrMode);
1727 return dwAttr == INVALID_FILE_ATTRIBUTES ? FALSE : TRUE;
1730 /*************************************************************************
1731 * PathFileExistsAndAttributesA [SHLWAPI.445]
1733 * Determine if a file exists.
1736 * lpszPath [I] Path to check
1737 * dwAttr [O] attributes of file
1740 * TRUE If the file exists and is readable
1743 BOOL WINAPI PathFileExistsAndAttributesA(LPCSTR lpszPath, DWORD *dwAttr)
1748 TRACE("(%s %p)\n", debugstr_a(lpszPath), dwAttr);
1751 *dwAttr = INVALID_FILE_ATTRIBUTES;
1756 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1757 dwVal = GetFileAttributesA(lpszPath);
1758 SetErrorMode(iPrevErrMode);
1761 return (dwVal != INVALID_FILE_ATTRIBUTES);
1764 /*************************************************************************
1765 * PathFileExistsAndAttributesW [SHLWAPI.446]
1767 * See PathFileExistsA.
1769 BOOL WINAPI PathFileExistsAndAttributesW(LPCWSTR lpszPath, DWORD *dwAttr)
1774 TRACE("(%s %p)\n", debugstr_w(lpszPath), dwAttr);
1779 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1780 dwVal = GetFileAttributesW(lpszPath);
1781 SetErrorMode(iPrevErrMode);
1784 return (dwVal != INVALID_FILE_ATTRIBUTES);
1787 /*************************************************************************
1788 * PathMatchSingleMaskA [internal]
1790 static BOOL WINAPI PathMatchSingleMaskA(LPCSTR name, LPCSTR mask)
1792 while (*name && *mask && *mask!=';')
1798 if (PathMatchSingleMaskA(name,mask+1))
1799 return TRUE; /* try substrings */
1804 if (toupper(*mask) != toupper(*name) && *mask != '?')
1807 name = CharNextA(name);
1808 mask = CharNextA(mask);
1813 while (*mask == '*')
1815 if (!*mask || *mask == ';')
1821 /*************************************************************************
1822 * PathMatchSingleMaskW [internal]
1824 static BOOL WINAPI PathMatchSingleMaskW(LPCWSTR name, LPCWSTR mask)
1826 while (*name && *mask && *mask != ';')
1832 if (PathMatchSingleMaskW(name,mask+1))
1833 return TRUE; /* try substrings */
1838 if (toupperW(*mask) != toupperW(*name) && *mask != '?')
1846 while (*mask == '*')
1848 if (!*mask || *mask == ';')
1854 /*************************************************************************
1855 * PathMatchSpecA [SHLWAPI.@]
1857 * Determine if a path matches one or more search masks.
1860 * lpszPath [I] Path to check
1861 * lpszMask [I] Search mask(s)
1864 * TRUE If lpszPath is valid and is matched
1868 * Multiple search masks may be given if they are separated by ";". The
1869 * pattern "*.*" is treated specially in that it matches all paths (for
1870 * backwards compatibility with DOS).
1872 BOOL WINAPI PathMatchSpecA(LPCSTR lpszPath, LPCSTR lpszMask)
1874 TRACE("(%s,%s)\n", lpszPath, lpszMask);
1876 if (!lstrcmpA(lpszMask, "*.*"))
1877 return TRUE; /* Matches every path */
1881 while (*lpszMask == ' ')
1882 lpszMask++; /* Eat leading spaces */
1884 if (PathMatchSingleMaskA(lpszPath, lpszMask))
1885 return TRUE; /* Matches the current mask */
1887 while (*lpszMask && *lpszMask != ';')
1888 lpszMask = CharNextA(lpszMask); /* masks separated by ';' */
1890 if (*lpszMask == ';')
1896 /*************************************************************************
1897 * PathMatchSpecW [SHLWAPI.@]
1899 * See PathMatchSpecA.
1901 BOOL WINAPI PathMatchSpecW(LPCWSTR lpszPath, LPCWSTR lpszMask)
1903 static const WCHAR szStarDotStar[] = { '*', '.', '*', '\0' };
1905 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszMask));
1907 if (!lstrcmpW(lpszMask, szStarDotStar))
1908 return TRUE; /* Matches every path */
1912 while (*lpszMask == ' ')
1913 lpszMask++; /* Eat leading spaces */
1915 if (PathMatchSingleMaskW(lpszPath, lpszMask))
1916 return TRUE; /* Matches the current path */
1918 while (*lpszMask && *lpszMask != ';')
1919 lpszMask++; /* masks separated by ';' */
1921 if (*lpszMask == ';')
1927 /*************************************************************************
1928 * PathIsSameRootA [SHLWAPI.@]
1930 * Determine if two paths share the same root.
1933 * lpszPath1 [I] Source path
1934 * lpszPath2 [I] Path to compare with
1937 * TRUE If both paths are valid and share the same root.
1938 * FALSE If either path is invalid or the paths do not share the same root.
1940 BOOL WINAPI PathIsSameRootA(LPCSTR lpszPath1, LPCSTR lpszPath2)
1945 TRACE("(%s,%s)\n", debugstr_a(lpszPath1), debugstr_a(lpszPath2));
1947 if (!lpszPath1 || !lpszPath2 || !(lpszStart = PathSkipRootA(lpszPath1)))
1950 dwLen = PathCommonPrefixA(lpszPath1, lpszPath2, NULL) + 1;
1951 if (lpszStart - lpszPath1 > dwLen)
1952 return FALSE; /* Paths not common up to length of the root */
1956 /*************************************************************************
1957 * PathIsSameRootW [SHLWAPI.@]
1959 * See PathIsSameRootA.
1961 BOOL WINAPI PathIsSameRootW(LPCWSTR lpszPath1, LPCWSTR lpszPath2)
1966 TRACE("(%s,%s)\n", debugstr_w(lpszPath1), debugstr_w(lpszPath2));
1968 if (!lpszPath1 || !lpszPath2 || !(lpszStart = PathSkipRootW(lpszPath1)))
1971 dwLen = PathCommonPrefixW(lpszPath1, lpszPath2, NULL) + 1;
1972 if (lpszStart - lpszPath1 > dwLen)
1973 return FALSE; /* Paths not common up to length of the root */
1977 /*************************************************************************
1978 * PathIsContentTypeA [SHLWAPI.@]
1980 * Determine if a file is of a given registered content type.
1983 * lpszPath [I] File to check
1984 * lpszContentType [I] Content type to check for
1987 * TRUE If lpszPath is a given registered content type,
1991 * This function looks up the registered content type for lpszPath. If
1992 * a content type is registered, it is compared (case insensitively) to
1993 * lpszContentType. Only if this matches does the function succeed.
1995 BOOL WINAPI PathIsContentTypeA(LPCSTR lpszPath, LPCSTR lpszContentType)
1999 char szBuff[MAX_PATH];
2001 TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszContentType));
2003 if (lpszPath && (szExt = PathFindExtensionA(lpszPath)) && *szExt &&
2004 !SHGetValueA(HKEY_CLASSES_ROOT, szExt, "Content Type",
2005 REG_NONE, szBuff, &dwDummy) &&
2006 !strcasecmp(lpszContentType, szBuff))
2013 /*************************************************************************
2014 * PathIsContentTypeW [SHLWAPI.@]
2016 * See PathIsContentTypeA.
2018 BOOL WINAPI PathIsContentTypeW(LPCWSTR lpszPath, LPCWSTR lpszContentType)
2020 static const WCHAR szContentType[] = { 'C','o','n','t','e','n','t',' ','T','y','p','e','\0' };
2023 WCHAR szBuff[MAX_PATH];
2025 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszContentType));
2027 if (lpszPath && (szExt = PathFindExtensionW(lpszPath)) && *szExt &&
2028 !SHGetValueW(HKEY_CLASSES_ROOT, szExt, szContentType,
2029 REG_NONE, szBuff, &dwDummy) &&
2030 !strcmpiW(lpszContentType, szBuff))
2037 /*************************************************************************
2038 * PathIsFileSpecA [SHLWAPI.@]
2040 * Determine if a path is a file specification.
2043 * lpszPath [I] Path to check
2046 * TRUE If lpszPath is a file specification (i.e. Contains no directories).
2049 BOOL WINAPI PathIsFileSpecA(LPCSTR lpszPath)
2051 TRACE("(%s)\n", debugstr_a(lpszPath));
2058 if (*lpszPath == '\\' || *lpszPath == ':')
2060 lpszPath = CharNextA(lpszPath);
2065 /*************************************************************************
2066 * PathIsFileSpecW [SHLWAPI.@]
2068 * See PathIsFileSpecA.
2070 BOOL WINAPI PathIsFileSpecW(LPCWSTR lpszPath)
2072 TRACE("(%s)\n", debugstr_w(lpszPath));
2079 if (*lpszPath == '\\' || *lpszPath == ':')
2086 /*************************************************************************
2087 * PathIsPrefixA [SHLWAPI.@]
2089 * Determine if a path is a prefix of another.
2092 * lpszPrefix [I] Prefix
2093 * lpszPath [I] Path to check
2096 * TRUE If lpszPath has lpszPrefix as its prefix,
2097 * FALSE If either path is NULL or lpszPrefix is not a prefix
2099 BOOL WINAPI PathIsPrefixA (LPCSTR lpszPrefix, LPCSTR lpszPath)
2101 TRACE("(%s,%s)\n", debugstr_a(lpszPrefix), debugstr_a(lpszPath));
2103 if (lpszPrefix && lpszPath &&
2104 PathCommonPrefixA(lpszPath, lpszPrefix, NULL) == (int)strlen(lpszPrefix))
2109 /*************************************************************************
2110 * PathIsPrefixW [SHLWAPI.@]
2112 * See PathIsPrefixA.
2114 BOOL WINAPI PathIsPrefixW(LPCWSTR lpszPrefix, LPCWSTR lpszPath)
2116 TRACE("(%s,%s)\n", debugstr_w(lpszPrefix), debugstr_w(lpszPath));
2118 if (lpszPrefix && lpszPath &&
2119 PathCommonPrefixW(lpszPath, lpszPrefix, NULL) == (int)strlenW(lpszPrefix))
2124 /*************************************************************************
2125 * PathIsSystemFolderA [SHLWAPI.@]
2127 * Determine if a path or file attributes are a system folder.
2130 * lpszPath [I] Path to check.
2131 * dwAttrib [I] Attributes to check, if lpszPath is NULL.
2134 * TRUE If lpszPath or dwAttrib are a system folder.
2135 * FALSE If GetFileAttributesA() fails or neither parameter is a system folder.
2137 BOOL WINAPI PathIsSystemFolderA(LPCSTR lpszPath, DWORD dwAttrib)
2139 TRACE("(%s,0x%08x)\n", debugstr_a(lpszPath), dwAttrib);
2141 if (lpszPath && *lpszPath)
2142 dwAttrib = GetFileAttributesA(lpszPath);
2144 if (dwAttrib == INVALID_FILE_ATTRIBUTES || !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY) ||
2145 !(dwAttrib & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)))
2150 /*************************************************************************
2151 * PathIsSystemFolderW [SHLWAPI.@]
2153 * See PathIsSystemFolderA.
2155 BOOL WINAPI PathIsSystemFolderW(LPCWSTR lpszPath, DWORD dwAttrib)
2157 TRACE("(%s,0x%08x)\n", debugstr_w(lpszPath), dwAttrib);
2159 if (lpszPath && *lpszPath)
2160 dwAttrib = GetFileAttributesW(lpszPath);
2162 if (dwAttrib == INVALID_FILE_ATTRIBUTES || !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY) ||
2163 !(dwAttrib & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)))
2168 /*************************************************************************
2169 * PathIsUNCA [SHLWAPI.@]
2171 * Determine if a path is in UNC format.
2174 * lpszPath [I] Path to check
2177 * TRUE: The path is UNC.
2178 * FALSE: The path is not UNC or is NULL.
2180 BOOL WINAPI PathIsUNCA(LPCSTR lpszPath)
2182 TRACE("(%s)\n",debugstr_a(lpszPath));
2184 if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
2189 /*************************************************************************
2190 * PathIsUNCW [SHLWAPI.@]
2194 BOOL WINAPI PathIsUNCW(LPCWSTR lpszPath)
2196 TRACE("(%s)\n",debugstr_w(lpszPath));
2198 if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
2203 /*************************************************************************
2204 * PathIsUNCServerA [SHLWAPI.@]
2206 * Determine if a path is a UNC server name ("\\SHARENAME").
2209 * lpszPath [I] Path to check.
2212 * TRUE If lpszPath is a valid UNC server name.
2216 * This routine is bug compatible with Win32: Server names with a
2217 * trailing backslash (e.g. "\\FOO\"), return FALSE incorrectly.
2218 * Fixing this bug may break other shlwapi functions!
2220 BOOL WINAPI PathIsUNCServerA(LPCSTR lpszPath)
2222 TRACE("(%s)\n", debugstr_a(lpszPath));
2224 if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
2228 if (*lpszPath == '\\')
2230 lpszPath = CharNextA(lpszPath);
2237 /*************************************************************************
2238 * PathIsUNCServerW [SHLWAPI.@]
2240 * See PathIsUNCServerA.
2242 BOOL WINAPI PathIsUNCServerW(LPCWSTR lpszPath)
2244 TRACE("(%s)\n", debugstr_w(lpszPath));
2246 if (lpszPath && lpszPath[0] == '\\' && lpszPath[1] == '\\')
2248 return !strchrW( lpszPath + 2, '\\' );
2253 /*************************************************************************
2254 * PathIsUNCServerShareA [SHLWAPI.@]
2256 * Determine if a path is a UNC server share ("\\SHARENAME\SHARE").
2259 * lpszPath [I] Path to check.
2262 * TRUE If lpszPath is a valid UNC server share.
2266 * This routine is bug compatible with Win32: Server shares with a
2267 * trailing backslash (e.g. "\\FOO\BAR\"), return FALSE incorrectly.
2268 * Fixing this bug may break other shlwapi functions!
2270 BOOL WINAPI PathIsUNCServerShareA(LPCSTR lpszPath)
2272 TRACE("(%s)\n", debugstr_a(lpszPath));
2274 if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
2276 BOOL bSeenSlash = FALSE;
2279 if (*lpszPath == '\\')
2285 lpszPath = CharNextA(lpszPath);
2292 /*************************************************************************
2293 * PathIsUNCServerShareW [SHLWAPI.@]
2295 * See PathIsUNCServerShareA.
2297 BOOL WINAPI PathIsUNCServerShareW(LPCWSTR lpszPath)
2299 TRACE("(%s)\n", debugstr_w(lpszPath));
2301 if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
2303 BOOL bSeenSlash = FALSE;
2306 if (*lpszPath == '\\')
2319 /*************************************************************************
2320 * PathCanonicalizeA [SHLWAPI.@]
2322 * Convert a path to its canonical form.
2325 * lpszBuf [O] Output path
2326 * lpszPath [I] Path to canonicalize
2329 * Success: TRUE. lpszBuf contains the output path,
2330 * Failure: FALSE, If input path is invalid. lpszBuf is undefined
2332 BOOL WINAPI PathCanonicalizeA(LPSTR lpszBuf, LPCSTR lpszPath)
2336 TRACE("(%p,%s)\n", lpszBuf, debugstr_a(lpszPath));
2341 if (!lpszBuf || !lpszPath)
2342 SetLastError(ERROR_INVALID_PARAMETER);
2345 WCHAR szPath[MAX_PATH];
2346 WCHAR szBuff[MAX_PATH];
2347 int ret = MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
2350 WARN("Failed to convert string to widechar (too long?), LE %d.\n", GetLastError());
2353 bRet = PathCanonicalizeW(szBuff, szPath);
2354 WideCharToMultiByte(CP_ACP,0,szBuff,-1,lpszBuf,MAX_PATH,0,0);
2360 /*************************************************************************
2361 * PathCanonicalizeW [SHLWAPI.@]
2363 * See PathCanonicalizeA.
2365 BOOL WINAPI PathCanonicalizeW(LPWSTR lpszBuf, LPCWSTR lpszPath)
2367 LPWSTR lpszDst = lpszBuf;
2368 LPCWSTR lpszSrc = lpszPath;
2370 TRACE("(%p,%s)\n", lpszBuf, debugstr_w(lpszPath));
2375 if (!lpszBuf || !lpszPath)
2377 SetLastError(ERROR_INVALID_PARAMETER);
2388 /* Copy path root */
2389 if (*lpszSrc == '\\')
2391 *lpszDst++ = *lpszSrc++;
2393 else if (*lpszSrc && lpszSrc[1] == ':')
2396 *lpszDst++ = *lpszSrc++;
2397 *lpszDst++ = *lpszSrc++;
2398 if (*lpszSrc == '\\')
2399 *lpszDst++ = *lpszSrc++;
2402 /* Canonicalize the rest of the path */
2405 if (*lpszSrc == '.')
2407 if (lpszSrc[1] == '\\' && (lpszSrc == lpszPath || lpszSrc[-1] == '\\' || lpszSrc[-1] == ':'))
2409 lpszSrc += 2; /* Skip .\ */
2411 else if (lpszSrc[1] == '.' && (lpszDst == lpszBuf || lpszDst[-1] == '\\'))
2413 /* \.. backs up a directory, over the root if it has no \ following X:.
2414 * .. is ignored if it would remove a UNC server name or inital \\
2416 if (lpszDst != lpszBuf)
2418 *lpszDst = '\0'; /* Allow PathIsUNCServerShareA test on lpszBuf */
2419 if (lpszDst > lpszBuf+1 && lpszDst[-1] == '\\' &&
2420 (lpszDst[-2] != '\\' || lpszDst > lpszBuf+2))
2422 if (lpszDst[-2] == ':' && (lpszDst > lpszBuf+3 || lpszDst[-3] == ':'))
2425 while (lpszDst > lpszBuf && *lpszDst != '\\')
2427 if (*lpszDst == '\\')
2428 lpszDst++; /* Reset to last '\' */
2430 lpszDst = lpszBuf; /* Start path again from new root */
2432 else if (lpszDst[-2] != ':' && !PathIsUNCServerShareW(lpszBuf))
2435 while (lpszDst > lpszBuf && *lpszDst != '\\')
2437 if (lpszDst == lpszBuf)
2443 lpszSrc += 2; /* Skip .. in src path */
2446 *lpszDst++ = *lpszSrc++;
2449 *lpszDst++ = *lpszSrc++;
2451 /* Append \ to naked drive specs */
2452 if (lpszDst - lpszBuf == 2 && lpszDst[-1] == ':')
2458 /*************************************************************************
2459 * PathFindNextComponentA [SHLWAPI.@]
2461 * Find the next component in a path.
2464 * lpszPath [I] Path to find next component in
2467 * Success: A pointer to the next component, or the end of the string.
2468 * Failure: NULL, If lpszPath is invalid
2471 * A 'component' is either a backslash character (\) or UNC marker (\\).
2472 * Because of this, relative paths (e.g "c:foo") are regarded as having
2473 * only one component.
2475 LPSTR WINAPI PathFindNextComponentA(LPCSTR lpszPath)
2479 TRACE("(%s)\n", debugstr_a(lpszPath));
2481 if(!lpszPath || !*lpszPath)
2484 if ((lpszSlash = StrChrA(lpszPath, '\\')))
2486 if (lpszSlash[1] == '\\')
2488 return lpszSlash + 1;
2490 return (LPSTR)lpszPath + strlen(lpszPath);
2493 /*************************************************************************
2494 * PathFindNextComponentW [SHLWAPI.@]
2496 * See PathFindNextComponentA.
2498 LPWSTR WINAPI PathFindNextComponentW(LPCWSTR lpszPath)
2502 TRACE("(%s)\n", debugstr_w(lpszPath));
2504 if(!lpszPath || !*lpszPath)
2507 if ((lpszSlash = StrChrW(lpszPath, '\\')))
2509 if (lpszSlash[1] == '\\')
2511 return lpszSlash + 1;
2513 return (LPWSTR)lpszPath + strlenW(lpszPath);
2516 /*************************************************************************
2517 * PathAddExtensionA [SHLWAPI.@]
2519 * Add a file extension to a path
2522 * lpszPath [I/O] Path to add extension to
2523 * lpszExtension [I] Extension to add to lpszPath
2526 * TRUE If the path was modified,
2527 * FALSE If lpszPath or lpszExtension are invalid, lpszPath has an
2528 * extension already, or the new path length is too big.
2531 * What version of shlwapi.dll adds "exe" if lpszExtension is NULL? Win2k
2532 * does not do this, so the behaviour was removed.
2534 BOOL WINAPI PathAddExtensionA(LPSTR lpszPath, LPCSTR lpszExtension)
2538 TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszExtension));
2540 if (!lpszPath || !lpszExtension || *(PathFindExtensionA(lpszPath)))
2543 dwLen = strlen(lpszPath);
2545 if (dwLen + strlen(lpszExtension) >= MAX_PATH)
2548 strcpy(lpszPath + dwLen, lpszExtension);
2552 /*************************************************************************
2553 * PathAddExtensionW [SHLWAPI.@]
2555 * See PathAddExtensionA.
2557 BOOL WINAPI PathAddExtensionW(LPWSTR lpszPath, LPCWSTR lpszExtension)
2561 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszExtension));
2563 if (!lpszPath || !lpszExtension || *(PathFindExtensionW(lpszPath)))
2566 dwLen = strlenW(lpszPath);
2568 if (dwLen + strlenW(lpszExtension) >= MAX_PATH)
2571 strcpyW(lpszPath + dwLen, lpszExtension);
2575 /*************************************************************************
2576 * PathMakePrettyA [SHLWAPI.@]
2578 * Convert an uppercase DOS filename into lowercase.
2581 * lpszPath [I/O] Path to convert.
2584 * TRUE If the path was an uppercase DOS path and was converted,
2587 BOOL WINAPI PathMakePrettyA(LPSTR lpszPath)
2589 LPSTR pszIter = lpszPath;
2591 TRACE("(%s)\n", debugstr_a(lpszPath));
2600 if (islower(*pszIter) || IsDBCSLeadByte(*pszIter))
2601 return FALSE; /* Not DOS path */
2604 pszIter = lpszPath + 1;
2607 *pszIter = tolower(*pszIter);
2614 /*************************************************************************
2615 * PathMakePrettyW [SHLWAPI.@]
2617 * See PathMakePrettyA.
2619 BOOL WINAPI PathMakePrettyW(LPWSTR lpszPath)
2621 LPWSTR pszIter = lpszPath;
2623 TRACE("(%s)\n", debugstr_w(lpszPath));
2632 if (islowerW(*pszIter))
2633 return FALSE; /* Not DOS path */
2636 pszIter = lpszPath + 1;
2639 *pszIter = tolowerW(*pszIter);
2646 /*************************************************************************
2647 * PathCommonPrefixA [SHLWAPI.@]
2649 * Determine the length of the common prefix between two paths.
2652 * lpszFile1 [I] First path for comparison
2653 * lpszFile2 [I] Second path for comparison
2654 * achPath [O] Destination for common prefix string
2657 * The length of the common prefix. This is 0 if there is no common
2658 * prefix between the paths or if any parameters are invalid. If the prefix
2659 * is non-zero and achPath is not NULL, achPath is filled with the common
2660 * part of the prefix and NUL terminated.
2663 * A common prefix of 2 is always returned as 3. It is thus possible for
2664 * the length returned to be invalid (i.e. Longer than one or both of the
2665 * strings given as parameters). This Win32 behaviour has been implemented
2666 * here, and cannot be changed (fixed?) without breaking other SHLWAPI calls.
2667 * To work around this when using this function, always check that the byte
2668 * at [common_prefix_len-1] is not a NUL. If it is, deduct 1 from the prefix.
2670 int WINAPI PathCommonPrefixA(LPCSTR lpszFile1, LPCSTR lpszFile2, LPSTR achPath)
2673 LPCSTR lpszIter1 = lpszFile1;
2674 LPCSTR lpszIter2 = lpszFile2;
2676 TRACE("(%s,%s,%p)\n", debugstr_a(lpszFile1), debugstr_a(lpszFile2), achPath);
2681 if (!lpszFile1 || !lpszFile2)
2684 /* Handle roots first */
2685 if (PathIsUNCA(lpszFile1))
2687 if (!PathIsUNCA(lpszFile2))
2692 else if (PathIsUNCA(lpszFile2))
2693 return 0; /* Know already lpszFile1 is not UNC */
2698 if ((!*lpszIter1 || *lpszIter1 == '\\') &&
2699 (!*lpszIter2 || *lpszIter2 == '\\'))
2700 iLen = lpszIter1 - lpszFile1; /* Common to this point */
2702 if (!*lpszIter1 || (tolower(*lpszIter1) != tolower(*lpszIter2)))
2703 break; /* Strings differ at this point */
2710 iLen++; /* Feature/Bug compatible with Win32 */
2712 if (iLen && achPath)
2714 memcpy(achPath,lpszFile1,iLen);
2715 achPath[iLen] = '\0';
2720 /*************************************************************************
2721 * PathCommonPrefixW [SHLWAPI.@]
2723 * See PathCommonPrefixA.
2725 int WINAPI PathCommonPrefixW(LPCWSTR lpszFile1, LPCWSTR lpszFile2, LPWSTR achPath)
2728 LPCWSTR lpszIter1 = lpszFile1;
2729 LPCWSTR lpszIter2 = lpszFile2;
2731 TRACE("(%s,%s,%p)\n", debugstr_w(lpszFile1), debugstr_w(lpszFile2), achPath);
2736 if (!lpszFile1 || !lpszFile2)
2739 /* Handle roots first */
2740 if (PathIsUNCW(lpszFile1))
2742 if (!PathIsUNCW(lpszFile2))
2747 else if (PathIsUNCW(lpszFile2))
2748 return 0; /* Know already lpszFile1 is not UNC */
2753 if ((!*lpszIter1 || *lpszIter1 == '\\') &&
2754 (!*lpszIter2 || *lpszIter2 == '\\'))
2755 iLen = lpszIter1 - lpszFile1; /* Common to this point */
2757 if (!*lpszIter1 || (tolowerW(*lpszIter1) != tolowerW(*lpszIter2)))
2758 break; /* Strings differ at this point */
2765 iLen++; /* Feature/Bug compatible with Win32 */
2767 if (iLen && achPath)
2769 memcpy(achPath,lpszFile1,iLen * sizeof(WCHAR));
2770 achPath[iLen] = '\0';
2775 /*************************************************************************
2776 * PathCompactPathA [SHLWAPI.@]
2778 * Make a path fit into a given width when printed to a DC.
2781 * hDc [I] Destination DC
2782 * lpszPath [I/O] Path to be printed to hDc
2783 * dx [I] Desired width
2786 * TRUE If the path was modified/went well.
2789 BOOL WINAPI PathCompactPathA(HDC hDC, LPSTR lpszPath, UINT dx)
2793 TRACE("(%p,%s,%d)\n", hDC, debugstr_a(lpszPath), dx);
2797 WCHAR szPath[MAX_PATH];
2798 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
2799 bRet = PathCompactPathW(hDC, szPath, dx);
2800 WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
2805 /*************************************************************************
2806 * PathCompactPathW [SHLWAPI.@]
2808 * See PathCompactPathA.
2810 BOOL WINAPI PathCompactPathW(HDC hDC, LPWSTR lpszPath, UINT dx)
2812 static const WCHAR szEllipses[] = { '.', '.', '.', '\0' };
2815 WCHAR buff[MAX_PATH];
2819 TRACE("(%p,%s,%d)\n", hDC, debugstr_w(lpszPath), dx);
2825 hdc = hDC = GetDC(0);
2827 /* Get the length of the whole path */
2828 dwLen = strlenW(lpszPath);
2829 GetTextExtentPointW(hDC, lpszPath, dwLen, &size);
2831 if ((UINT)size.cx > dx)
2833 /* Path too big, must reduce it */
2835 DWORD dwEllipsesLen = 0, dwPathLen = 0;
2837 sFile = PathFindFileNameW(lpszPath);
2838 if (sFile != lpszPath) sFile--;
2840 /* Get the size of ellipses */
2841 GetTextExtentPointW(hDC, szEllipses, 3, &size);
2842 dwEllipsesLen = size.cx;
2843 /* Get the size of the file name */
2844 GetTextExtentPointW(hDC, sFile, strlenW(sFile), &size);
2845 dwPathLen = size.cx;
2847 if (sFile != lpszPath)
2849 LPWSTR sPath = sFile;
2850 BOOL bEllipses = FALSE;
2852 /* The path includes a file name. Include as much of the path prior to
2853 * the file name as possible, allowing for the ellipses, e.g:
2854 * c:\some very long path\filename ==> c:\some v...\filename
2856 lstrcpynW(buff, sFile, MAX_PATH);
2860 DWORD dwTotalLen = bEllipses? dwPathLen + dwEllipsesLen : dwPathLen;
2862 GetTextExtentPointW(hDC, lpszPath, sPath - lpszPath, &size);
2863 dwTotalLen += size.cx;
2864 if (dwTotalLen <= dx)
2872 } while (sPath > lpszPath);
2874 if (sPath > lpszPath)
2878 strcpyW(sPath, szEllipses);
2879 strcpyW(sPath+3, buff);
2884 strcpyW(lpszPath, szEllipses);
2885 strcpyW(lpszPath+3, buff);
2890 /* Trim the path by adding ellipses to the end, e.g:
2891 * A very long file name.txt ==> A very...
2893 dwLen = strlenW(lpszPath);
2895 if (dwLen > MAX_PATH - 3)
2896 dwLen = MAX_PATH - 3;
2897 lstrcpynW(buff, sFile, dwLen);
2901 GetTextExtentPointW(hDC, buff, dwLen, &size);
2902 } while (dwLen && size.cx + dwEllipsesLen > dx);
2906 DWORD dwWritten = 0;
2908 dwEllipsesLen /= 3; /* Size of a single '.' */
2910 /* Write as much of the Ellipses string as possible */
2911 while (dwWritten + dwEllipsesLen < dx && dwLen < 3)
2914 dwWritten += dwEllipsesLen;
2922 strcpyW(buff + dwLen, szEllipses);
2923 strcpyW(lpszPath, buff);
2934 /*************************************************************************
2935 * PathGetCharTypeA [SHLWAPI.@]
2937 * Categorise a character from a file path.
2940 * ch [I] Character to get the type of
2943 * A set of GCT_ bit flags (from "shlwapi.h") indicating the character type.
2945 UINT WINAPI PathGetCharTypeA(UCHAR ch)
2947 return PathGetCharTypeW(ch);
2950 /*************************************************************************
2951 * PathGetCharTypeW [SHLWAPI.@]
2953 * See PathGetCharTypeA.
2955 UINT WINAPI PathGetCharTypeW(WCHAR ch)
2959 TRACE("(%d)\n", ch);
2961 if (!ch || ch < ' ' || ch == '<' || ch == '>' ||
2962 ch == '"' || ch == '|' || ch == '/')
2963 flags = GCT_INVALID; /* Invalid */
2964 else if (ch == '*' || ch=='?')
2965 flags = GCT_WILD; /* Wildchars */
2966 else if ((ch == '\\') || (ch == ':'))
2967 return GCT_SEPARATOR; /* Path separators */
2972 if ((ch & 0x1 && ch != ';') || !ch || isalnum(ch) || ch == '$' || ch == '&' || ch == '(' ||
2973 ch == '.' || ch == '@' || ch == '^' ||
2974 ch == '\'' || ch == 130 || ch == '`')
2975 flags |= GCT_SHORTCHAR; /* All these are valid for DOS */
2978 flags |= GCT_SHORTCHAR; /* Bug compatible with win32 */
2979 flags |= GCT_LFNCHAR; /* Valid for long file names */
2984 /*************************************************************************
2985 * SHLWAPI_UseSystemForSystemFolders
2987 * Internal helper for PathMakeSystemFolderW.
2989 static BOOL WINAPI SHLWAPI_UseSystemForSystemFolders(void)
2991 static BOOL bCheckedReg = FALSE;
2992 static BOOL bUseSystemForSystemFolders = FALSE;
2998 /* Key tells Win what file attributes to use on system folders */
2999 if (SHGetValueA(HKEY_LOCAL_MACHINE,
3000 "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer",
3001 "UseSystemForSystemFolders", 0, 0, 0))
3002 bUseSystemForSystemFolders = TRUE;
3004 return bUseSystemForSystemFolders;
3007 /*************************************************************************
3008 * PathMakeSystemFolderA [SHLWAPI.@]
3010 * Set system folder attribute for a path.
3013 * lpszPath [I] The path to turn into a system folder
3016 * TRUE If the path was changed to/already was a system folder
3017 * FALSE If the path is invalid or SetFileAttributesA() fails
3019 BOOL WINAPI PathMakeSystemFolderA(LPCSTR lpszPath)
3023 TRACE("(%s)\n", debugstr_a(lpszPath));
3025 if (lpszPath && *lpszPath)
3027 WCHAR szPath[MAX_PATH];
3028 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
3029 bRet = PathMakeSystemFolderW(szPath);
3034 /*************************************************************************
3035 * PathMakeSystemFolderW [SHLWAPI.@]
3037 * See PathMakeSystemFolderA.
3039 BOOL WINAPI PathMakeSystemFolderW(LPCWSTR lpszPath)
3041 DWORD dwDefaultAttr = FILE_ATTRIBUTE_READONLY, dwAttr;
3042 WCHAR buff[MAX_PATH];
3044 TRACE("(%s)\n", debugstr_w(lpszPath));
3046 if (!lpszPath || !*lpszPath)
3049 /* If the directory is already a system directory, don't do anything */
3050 GetSystemDirectoryW(buff, MAX_PATH);
3051 if (!strcmpW(buff, lpszPath))
3054 GetWindowsDirectoryW(buff, MAX_PATH);
3055 if (!strcmpW(buff, lpszPath))
3058 /* "UseSystemForSystemFolders" Tells Win what attributes to use */
3059 if (SHLWAPI_UseSystemForSystemFolders())
3060 dwDefaultAttr = FILE_ATTRIBUTE_SYSTEM;
3062 if ((dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES)
3065 /* Change file attributes to system attributes */
3066 dwAttr &= ~(FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_READONLY);
3067 return SetFileAttributesW(lpszPath, dwAttr | dwDefaultAttr);
3070 /*************************************************************************
3071 * PathRenameExtensionA [SHLWAPI.@]
3073 * Swap the file extension in a path with another extension.
3076 * lpszPath [I/O] Path to swap the extension in
3077 * lpszExt [I] The new extension
3080 * TRUE if lpszPath was modified,
3081 * FALSE if lpszPath or lpszExt is NULL, or the new path is too long
3083 BOOL WINAPI PathRenameExtensionA(LPSTR lpszPath, LPCSTR lpszExt)
3085 LPSTR lpszExtension;
3087 TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszExt));
3089 lpszExtension = PathFindExtensionA(lpszPath);
3091 if (!lpszExtension || (lpszExtension - lpszPath + strlen(lpszExt) >= MAX_PATH))
3094 strcpy(lpszExtension, lpszExt);
3098 /*************************************************************************
3099 * PathRenameExtensionW [SHLWAPI.@]
3101 * See PathRenameExtensionA.
3103 BOOL WINAPI PathRenameExtensionW(LPWSTR lpszPath, LPCWSTR lpszExt)
3105 LPWSTR lpszExtension;
3107 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszExt));
3109 lpszExtension = PathFindExtensionW(lpszPath);
3111 if (!lpszExtension || (lpszExtension - lpszPath + strlenW(lpszExt) >= MAX_PATH))
3114 strcpyW(lpszExtension, lpszExt);
3118 /*************************************************************************
3119 * PathSearchAndQualifyA [SHLWAPI.@]
3121 * Determine if a given path is correct and fully qualified.
3124 * lpszPath [I] Path to check
3125 * lpszBuf [O] Output for correct path
3126 * cchBuf [I] Size of lpszBuf
3131 BOOL WINAPI PathSearchAndQualifyA(LPCSTR lpszPath, LPSTR lpszBuf, UINT cchBuf)
3133 TRACE("(%s,%p,0x%08x)\n", debugstr_a(lpszPath), lpszBuf, cchBuf);
3135 if(SearchPathA(NULL, lpszPath, NULL, cchBuf, lpszBuf, NULL))
3137 return !!GetFullPathNameA(lpszPath, cchBuf, lpszBuf, NULL);
3140 /*************************************************************************
3141 * PathSearchAndQualifyW [SHLWAPI.@]
3143 * See PathSearchAndQualifyA.
3145 BOOL WINAPI PathSearchAndQualifyW(LPCWSTR lpszPath, LPWSTR lpszBuf, UINT cchBuf)
3147 TRACE("(%s,%p,0x%08x)\n", debugstr_w(lpszPath), lpszBuf, cchBuf);
3149 if(SearchPathW(NULL, lpszPath, NULL, cchBuf, lpszBuf, NULL))
3151 return !!GetFullPathNameW(lpszPath, cchBuf, lpszBuf, NULL);
3154 /*************************************************************************
3155 * PathSkipRootA [SHLWAPI.@]
3157 * Return the portion of a path following the drive letter or mount point.
3160 * lpszPath [I] The path to skip on
3163 * Success: A pointer to the next character after the root.
3164 * Failure: NULL, if lpszPath is invalid, has no root or is a multibyte string.
3166 LPSTR WINAPI PathSkipRootA(LPCSTR lpszPath)
3168 TRACE("(%s)\n", debugstr_a(lpszPath));
3170 if (!lpszPath || !*lpszPath)
3173 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3175 /* Network share: skip share server and mount point */
3177 if ((lpszPath = StrChrA(lpszPath, '\\')) &&
3178 (lpszPath = StrChrA(lpszPath + 1, '\\')))
3180 return (LPSTR)lpszPath;
3183 if (IsDBCSLeadByte(*lpszPath))
3187 if (lpszPath[0] && lpszPath[1] == ':' && lpszPath[2] == '\\')
3188 return (LPSTR)lpszPath + 3;
3192 /*************************************************************************
3193 * PathSkipRootW [SHLWAPI.@]
3195 * See PathSkipRootA.
3197 LPWSTR WINAPI PathSkipRootW(LPCWSTR lpszPath)
3199 TRACE("(%s)\n", debugstr_w(lpszPath));
3201 if (!lpszPath || !*lpszPath)
3204 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3206 /* Network share: skip share server and mount point */
3208 if ((lpszPath = StrChrW(lpszPath, '\\')) &&
3209 (lpszPath = StrChrW(lpszPath + 1, '\\')))
3211 return (LPWSTR)lpszPath;
3215 if (lpszPath[0] && lpszPath[1] == ':' && lpszPath[2] == '\\')
3216 return (LPWSTR)lpszPath + 3;
3220 /*************************************************************************
3221 * PathCreateFromUrlA [SHLWAPI.@]
3223 * See PathCreateFromUrlW
3225 HRESULT WINAPI PathCreateFromUrlA(LPCSTR pszUrl, LPSTR pszPath,
3226 LPDWORD pcchPath, DWORD dwReserved)
3228 WCHAR bufW[MAX_PATH];
3229 WCHAR *pathW = bufW;
3230 UNICODE_STRING urlW;
3232 DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
3234 if(!RtlCreateUnicodeStringFromAsciiz(&urlW, pszUrl))
3235 return E_INVALIDARG;
3236 if((ret = PathCreateFromUrlW(urlW.Buffer, pathW, &lenW, dwReserved)) == E_POINTER) {
3237 pathW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
3238 ret = PathCreateFromUrlW(urlW.Buffer, pathW, &lenW, dwReserved);
3241 RtlUnicodeToMultiByteSize(&lenA, pathW, lenW * sizeof(WCHAR));
3242 if(*pcchPath > lenA) {
3243 RtlUnicodeToMultiByteN(pszPath, *pcchPath - 1, &lenA, pathW, lenW * sizeof(WCHAR));
3247 *pcchPath = lenA + 1;
3251 if(pathW != bufW) HeapFree(GetProcessHeap(), 0, pathW);
3252 RtlFreeUnicodeString(&urlW);
3256 /*************************************************************************
3257 * PathCreateFromUrlW [SHLWAPI.@]
3259 * Create a path from a URL
3262 * lpszUrl [I] URL to convert into a path
3263 * lpszPath [O] Output buffer for the resulting Path
3264 * pcchPath [I] Length of lpszPath
3265 * dwFlags [I] Flags controlling the conversion
3268 * Success: S_OK. lpszPath contains the URL in path format,
3269 * Failure: An HRESULT error code such as E_INVALIDARG.
3271 HRESULT WINAPI PathCreateFromUrlW(LPCWSTR pszUrl, LPWSTR pszPath,
3272 LPDWORD pcchPath, DWORD dwReserved)
3274 static const WCHAR file_colon[] = { 'f','i','l','e',':',0 };
3279 TRACE("(%s,%p,%p,0x%08x)\n", debugstr_w(pszUrl), pszPath, pcchPath, dwReserved);
3281 if (!pszUrl || !pszPath || !pcchPath || !*pcchPath)
3282 return E_INVALIDARG;
3285 if (strncmpW(pszUrl, file_colon, 5))
3286 return E_INVALIDARG;
3289 while(*pszUrl == '/' || *pszUrl == '\\') {
3294 if(isalphaW(*pszUrl) && (pszUrl[1] == ':' || pszUrl[1] == '|') && (pszUrl[2] == '/' || pszUrl[2] == '\\'))
3308 hr = UrlUnescapeW((LPWSTR)pszUrl, pszPath, pcchPath, 0);
3309 if(hr != S_OK) return hr;
3311 for(ptr = pszPath; *ptr; ptr++)
3312 if(*ptr == '/') *ptr = '\\';
3314 while(*pszPath == '\\')
3317 if(isalphaW(*pszPath) && pszPath[1] == '|' && pszPath[2] == '\\') /* c|\ -> c:\ */
3320 if(nslashes == 2 && (ptr = strchrW(pszPath, '\\'))) { /* \\host\c:\ -> \\hostc:\ */
3322 if(isalphaW(*ptr) && (ptr[1] == ':' || ptr[1] == '|') && ptr[2] == '\\') {
3323 memmove(ptr - 1, ptr, (strlenW(ptr) + 1) * sizeof(WCHAR));
3328 TRACE("Returning %s\n",debugstr_w(pszPath));
3333 /*************************************************************************
3334 * PathRelativePathToA [SHLWAPI.@]
3336 * Create a relative path from one path to another.
3339 * lpszPath [O] Destination for relative path
3340 * lpszFrom [I] Source path
3341 * dwAttrFrom [I] File attribute of source path
3342 * lpszTo [I] Destination path
3343 * dwAttrTo [I] File attributes of destination path
3346 * TRUE If a relative path can be formed. lpszPath contains the new path
3347 * FALSE If the paths are not relative or any parameters are invalid
3350 * lpszTo should be at least MAX_PATH in length.
3352 * Calling this function with relative paths for lpszFrom or lpszTo may
3353 * give erroneous results.
3355 * The Win32 version of this function contains a bug where the lpszTo string
3356 * may be referenced 1 byte beyond the end of the string. As a result random
3357 * garbage may be written to the output path, depending on what lies beyond
3358 * the last byte of the string. This bug occurs because of the behaviour of
3359 * PathCommonPrefix() (see notes for that function), and no workaround seems
3360 * possible with Win32.
3362 * This bug has been fixed here, so for example the relative path from "\\"
3363 * to "\\" is correctly determined as "." in this implementation.
3365 BOOL WINAPI PathRelativePathToA(LPSTR lpszPath, LPCSTR lpszFrom, DWORD dwAttrFrom,
3366 LPCSTR lpszTo, DWORD dwAttrTo)
3370 TRACE("(%p,%s,0x%08x,%s,0x%08x)\n", lpszPath, debugstr_a(lpszFrom),
3371 dwAttrFrom, debugstr_a(lpszTo), dwAttrTo);
3373 if(lpszPath && lpszFrom && lpszTo)
3375 WCHAR szPath[MAX_PATH];
3376 WCHAR szFrom[MAX_PATH];
3377 WCHAR szTo[MAX_PATH];
3378 MultiByteToWideChar(CP_ACP,0,lpszFrom,-1,szFrom,MAX_PATH);
3379 MultiByteToWideChar(CP_ACP,0,lpszTo,-1,szTo,MAX_PATH);
3380 bRet = PathRelativePathToW(szPath,szFrom,dwAttrFrom,szTo,dwAttrTo);
3381 WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
3386 /*************************************************************************
3387 * PathRelativePathToW [SHLWAPI.@]
3389 * See PathRelativePathToA.
3391 BOOL WINAPI PathRelativePathToW(LPWSTR lpszPath, LPCWSTR lpszFrom, DWORD dwAttrFrom,
3392 LPCWSTR lpszTo, DWORD dwAttrTo)
3394 static const WCHAR szPrevDirSlash[] = { '.', '.', '\\', '\0' };
3395 static const WCHAR szPrevDir[] = { '.', '.', '\0' };
3396 WCHAR szFrom[MAX_PATH];
3397 WCHAR szTo[MAX_PATH];
3400 TRACE("(%p,%s,0x%08x,%s,0x%08x)\n", lpszPath, debugstr_w(lpszFrom),
3401 dwAttrFrom, debugstr_w(lpszTo), dwAttrTo);
3403 if(!lpszPath || !lpszFrom || !lpszTo)
3407 lstrcpynW(szFrom, lpszFrom, MAX_PATH);
3408 lstrcpynW(szTo, lpszTo, MAX_PATH);
3410 if(!(dwAttrFrom & FILE_ATTRIBUTE_DIRECTORY))
3411 PathRemoveFileSpecW(szFrom);
3412 if(!(dwAttrFrom & FILE_ATTRIBUTE_DIRECTORY))
3413 PathRemoveFileSpecW(szTo);
3415 /* Paths can only be relative if they have a common root */
3416 if(!(dwLen = PathCommonPrefixW(szFrom, szTo, 0)))
3419 /* Strip off lpszFrom components to the root, by adding "..\" */
3420 lpszFrom = szFrom + dwLen;
3426 if (*lpszFrom == '\\')
3431 lpszFrom = PathFindNextComponentW(lpszFrom);
3432 strcatW(lpszPath, *lpszFrom ? szPrevDirSlash : szPrevDir);
3435 /* From the root add the components of lpszTo */
3437 /* We check lpszTo[-1] to avoid skipping end of string. See the notes for
3440 if (*lpszTo && lpszTo[-1])
3442 if (*lpszTo != '\\')
3444 dwLen = strlenW(lpszPath);
3445 if (dwLen + strlenW(lpszTo) >= MAX_PATH)
3450 strcpyW(lpszPath + dwLen, lpszTo);
3455 /*************************************************************************
3456 * PathUnmakeSystemFolderA [SHLWAPI.@]
3458 * Remove the system folder attributes from a path.
3461 * lpszPath [I] The path to remove attributes from
3465 * Failure: FALSE, if lpszPath is NULL, empty, not a directory, or calling
3466 * SetFileAttributesA() fails.
3468 BOOL WINAPI PathUnmakeSystemFolderA(LPCSTR lpszPath)
3472 TRACE("(%s)\n", debugstr_a(lpszPath));
3474 if (!lpszPath || !*lpszPath || (dwAttr = GetFileAttributesA(lpszPath)) == INVALID_FILE_ATTRIBUTES ||
3475 !(dwAttr & FILE_ATTRIBUTE_DIRECTORY))
3478 dwAttr &= ~(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
3479 return SetFileAttributesA(lpszPath, dwAttr);
3482 /*************************************************************************
3483 * PathUnmakeSystemFolderW [SHLWAPI.@]
3485 * See PathUnmakeSystemFolderA.
3487 BOOL WINAPI PathUnmakeSystemFolderW(LPCWSTR lpszPath)
3491 TRACE("(%s)\n", debugstr_w(lpszPath));
3493 if (!lpszPath || !*lpszPath || (dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES ||
3494 !(dwAttr & FILE_ATTRIBUTE_DIRECTORY))
3497 dwAttr &= ~(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
3498 return SetFileAttributesW(lpszPath, dwAttr);
3502 /*************************************************************************
3503 * PathSetDlgItemPathA [SHLWAPI.@]
3505 * Set the text of a dialog item to a path, shrinking the path to fit
3506 * if it is too big for the item.
3509 * hDlg [I] Dialog handle
3510 * id [I] ID of item in the dialog
3511 * lpszPath [I] Path to set as the items text
3517 * If lpszPath is NULL, a blank string ("") is set (i.e. The previous
3518 * window text is erased).
3520 VOID WINAPI PathSetDlgItemPathA(HWND hDlg, int id, LPCSTR lpszPath)
3522 WCHAR szPath[MAX_PATH];
3524 TRACE("(%p,%8x,%s)\n",hDlg, id, debugstr_a(lpszPath));
3527 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
3530 PathSetDlgItemPathW(hDlg, id, szPath);
3533 /*************************************************************************
3534 * PathSetDlgItemPathW [SHLWAPI.@]
3536 * See PathSetDlgItemPathA.
3538 VOID WINAPI PathSetDlgItemPathW(HWND hDlg, int id, LPCWSTR lpszPath)
3540 WCHAR path[MAX_PATH + 1];
3546 TRACE("(%p,%8x,%s)\n",hDlg, id, debugstr_w(lpszPath));
3548 if (!(hwItem = GetDlgItem(hDlg, id)))
3552 lstrcpynW(path, lpszPath, sizeof(path) / sizeof(WCHAR));
3556 GetClientRect(hwItem, &rect);
3558 hPrevObj = SelectObject(hdc, (HGDIOBJ)SendMessageW(hwItem,WM_GETFONT,0,0));
3562 PathCompactPathW(hdc, path, rect.right);
3563 SelectObject(hdc, hPrevObj);
3566 ReleaseDC(hDlg, hdc);
3567 SetWindowTextW(hwItem, path);
3570 /*************************************************************************
3571 * PathIsNetworkPathA [SHLWAPI.@]
3573 * Determine if the given path is a network path.
3576 * lpszPath [I] Path to check
3579 * TRUE If lpszPath is a UNC share or mapped network drive, or
3580 * FALSE If lpszPath is a local drive or cannot be determined
3582 BOOL WINAPI PathIsNetworkPathA(LPCSTR lpszPath)
3586 TRACE("(%s)\n",debugstr_a(lpszPath));
3590 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3592 dwDriveNum = PathGetDriveNumberA(lpszPath);
3593 if (dwDriveNum == -1)
3595 GET_FUNC(pIsNetDrive, shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
3596 return pIsNetDrive(dwDriveNum);
3599 /*************************************************************************
3600 * PathIsNetworkPathW [SHLWAPI.@]
3602 * See PathIsNetworkPathA.
3604 BOOL WINAPI PathIsNetworkPathW(LPCWSTR lpszPath)
3608 TRACE("(%s)\n", debugstr_w(lpszPath));
3612 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3614 dwDriveNum = PathGetDriveNumberW(lpszPath);
3615 if (dwDriveNum == -1)
3617 GET_FUNC(pIsNetDrive, shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
3618 return pIsNetDrive(dwDriveNum);
3621 /*************************************************************************
3622 * PathIsLFNFileSpecA [SHLWAPI.@]
3624 * Determine if the given path is a long file name
3627 * lpszPath [I] Path to check
3630 * TRUE If path is a long file name,
3631 * FALSE If path is a valid DOS short file name
3633 BOOL WINAPI PathIsLFNFileSpecA(LPCSTR lpszPath)
3635 DWORD dwNameLen = 0, dwExtLen = 0;
3637 TRACE("(%s)\n",debugstr_a(lpszPath));
3644 if (*lpszPath == ' ')
3645 return TRUE; /* DOS names cannot have spaces */
3646 if (*lpszPath == '.')
3649 return TRUE; /* DOS names have only one dot */
3656 return TRUE; /* DOS extensions are <= 3 chars*/
3662 return TRUE; /* DOS names are <= 8 chars */
3664 lpszPath += IsDBCSLeadByte(*lpszPath) ? 2 : 1;
3666 return FALSE; /* Valid DOS path */
3669 /*************************************************************************
3670 * PathIsLFNFileSpecW [SHLWAPI.@]
3672 * See PathIsLFNFileSpecA.
3674 BOOL WINAPI PathIsLFNFileSpecW(LPCWSTR lpszPath)
3676 DWORD dwNameLen = 0, dwExtLen = 0;
3678 TRACE("(%s)\n",debugstr_w(lpszPath));
3685 if (*lpszPath == ' ')
3686 return TRUE; /* DOS names cannot have spaces */
3687 if (*lpszPath == '.')
3690 return TRUE; /* DOS names have only one dot */
3697 return TRUE; /* DOS extensions are <= 3 chars*/
3703 return TRUE; /* DOS names are <= 8 chars */
3707 return FALSE; /* Valid DOS path */
3710 /*************************************************************************
3711 * PathIsDirectoryEmptyA [SHLWAPI.@]
3713 * Determine if a given directory is empty.
3716 * lpszPath [I] Directory to check
3719 * TRUE If the directory exists and contains no files,
3722 BOOL WINAPI PathIsDirectoryEmptyA(LPCSTR lpszPath)
3726 TRACE("(%s)\n",debugstr_a(lpszPath));
3730 WCHAR szPath[MAX_PATH];
3731 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
3732 bRet = PathIsDirectoryEmptyW(szPath);
3737 /*************************************************************************
3738 * PathIsDirectoryEmptyW [SHLWAPI.@]
3740 * See PathIsDirectoryEmptyA.
3742 BOOL WINAPI PathIsDirectoryEmptyW(LPCWSTR lpszPath)
3744 static const WCHAR szAllFiles[] = { '*', '.', '*', '\0' };
3745 WCHAR szSearch[MAX_PATH];
3748 BOOL retVal = FALSE;
3749 WIN32_FIND_DATAW find_data;
3751 TRACE("(%s)\n",debugstr_w(lpszPath));
3753 if (!lpszPath || !PathIsDirectoryW(lpszPath))
3756 lstrcpynW(szSearch, lpszPath, MAX_PATH);
3757 PathAddBackslashW(szSearch);
3758 dwLen = strlenW(szSearch);
3759 if (dwLen > MAX_PATH - 4)
3762 strcpyW(szSearch + dwLen, szAllFiles);
3763 hfind = FindFirstFileW(szSearch, &find_data);
3765 if (hfind != INVALID_HANDLE_VALUE &&
3766 find_data.cFileName[0] == '.' &&
3767 find_data.cFileName[1] == '.')
3769 /* The only directory entry should be the parent */
3770 if (!FindNextFileW(hfind, &find_data))
3778 /*************************************************************************
3779 * PathFindSuffixArrayA [SHLWAPI.@]
3781 * Find a suffix string in an array of suffix strings
3784 * lpszSuffix [I] Suffix string to search for
3785 * lppszArray [I] Array of suffix strings to search
3786 * dwCount [I] Number of elements in lppszArray
3789 * Success: The index of the position of lpszSuffix in lppszArray
3790 * Failure: 0, if any parameters are invalid or lpszSuffix is not found
3793 * The search is case sensitive.
3794 * The match is made against the end of the suffix string, so for example:
3795 * lpszSuffix="fooBAR" matches "BAR", but lpszSuffix="fooBARfoo" does not.
3797 LPCSTR WINAPI PathFindSuffixArrayA(LPCSTR lpszSuffix, LPCSTR *lppszArray, int dwCount)
3802 TRACE("(%s,%p,%d)\n",debugstr_a(lpszSuffix), lppszArray, dwCount);
3804 if (lpszSuffix && lppszArray && dwCount > 0)
3806 dwLen = strlen(lpszSuffix);
3808 while (dwRet < dwCount)
3810 size_t dwCompareLen = strlen(*lppszArray);
3811 if (dwCompareLen < dwLen)
3813 if (!strcmp(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
3814 return *lppszArray; /* Found */
3823 /*************************************************************************
3824 * PathFindSuffixArrayW [SHLWAPI.@]
3826 * See PathFindSuffixArrayA.
3828 LPCWSTR WINAPI PathFindSuffixArrayW(LPCWSTR lpszSuffix, LPCWSTR *lppszArray, int dwCount)
3833 TRACE("(%s,%p,%d)\n",debugstr_w(lpszSuffix), lppszArray, dwCount);
3835 if (lpszSuffix && lppszArray && dwCount > 0)
3837 dwLen = strlenW(lpszSuffix);
3839 while (dwRet < dwCount)
3841 size_t dwCompareLen = strlenW(*lppszArray);
3842 if (dwCompareLen < dwLen)
3844 if (!strcmpW(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
3845 return *lppszArray; /* Found */
3854 /*************************************************************************
3855 * PathUndecorateA [SHLWAPI.@]
3857 * Undecorate a file path
3860 * lpszPath [I/O] Path to remove any decoration from
3866 * A decorations form is "path[n].ext" where "n" is an optional decimal number.
3868 VOID WINAPI PathUndecorateA(LPSTR lpszPath)
3870 TRACE("(%s)\n",debugstr_a(lpszPath));
3874 LPSTR lpszExt = PathFindExtensionA(lpszPath);
3875 if (lpszExt > lpszPath && lpszExt[-1] == ']')
3877 LPSTR lpszSkip = lpszExt - 2;
3878 if (*lpszSkip == '[')
3879 lpszSkip++; /* [] (no number) */
3881 while (lpszSkip > lpszPath && isdigit(lpszSkip[-1]))
3883 if (lpszSkip > lpszPath && lpszSkip[-1] == '[' && lpszSkip[-2] != '\\')
3885 /* remove the [n] */
3888 *lpszSkip++ = *lpszExt++;
3895 /*************************************************************************
3896 * PathUndecorateW [SHLWAPI.@]
3898 * See PathUndecorateA.
3900 VOID WINAPI PathUndecorateW(LPWSTR lpszPath)
3902 TRACE("(%s)\n",debugstr_w(lpszPath));
3906 LPWSTR lpszExt = PathFindExtensionW(lpszPath);
3907 if (lpszExt > lpszPath && lpszExt[-1] == ']')
3909 LPWSTR lpszSkip = lpszExt - 2;
3910 if (*lpszSkip == '[')
3911 lpszSkip++; /* [] (no number) */
3913 while (lpszSkip > lpszPath && isdigitW(lpszSkip[-1]))
3915 if (lpszSkip > lpszPath && lpszSkip[-1] == '[' && lpszSkip[-2] != '\\')
3917 /* remove the [n] */
3920 *lpszSkip++ = *lpszExt++;
3927 /*************************************************************************
3928 * PathUnExpandEnvStringsA [SHLWAPI.@]
3930 * Substitute folder names in a path with their corresponding environment
3934 * pszPath [I] Buffer containing the path to unexpand.
3935 * pszBuf [O] Buffer to receive the unexpanded path.
3936 * cchBuf [I] Size of pszBuf in characters.
3942 BOOL WINAPI PathUnExpandEnvStringsA(LPCSTR pszPath, LPSTR pszBuf, UINT cchBuf)
3944 FIXME("(%s,%s,0x%08x)\n", debugstr_a(pszPath), debugstr_a(pszBuf), cchBuf);
3948 /*************************************************************************
3949 * PathUnExpandEnvStringsW [SHLWAPI.@]
3951 * Unicode version of PathUnExpandEnvStringsA.
3953 BOOL WINAPI PathUnExpandEnvStringsW(LPCWSTR pszPath, LPWSTR pszBuf, UINT cchBuf)
3955 FIXME("(%s,%s,0x%08x)\n", debugstr_w(pszPath), debugstr_w(pszBuf), cchBuf);
3959 /*************************************************************************
3962 * Find localised or default web content in "%WINDOWS%\web\".
3965 * lpszFile [I] File name containing content to look for
3966 * lpszPath [O] Buffer to contain the full path to the file
3967 * dwPathLen [I] Length of lpszPath
3970 * Success: S_OK. lpszPath contains the full path to the content.
3971 * Failure: E_FAIL. The content does not exist or lpszPath is too short.
3973 HRESULT WINAPI SHGetWebFolderFilePathA(LPCSTR lpszFile, LPSTR lpszPath, DWORD dwPathLen)
3975 WCHAR szFile[MAX_PATH], szPath[MAX_PATH];
3978 TRACE("(%s,%p,%d)\n", lpszFile, lpszPath, dwPathLen);
3980 MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, szFile, MAX_PATH);
3982 hRet = SHGetWebFolderFilePathW(szFile, szPath, dwPathLen);
3983 WideCharToMultiByte(CP_ACP, 0, szPath, -1, lpszPath, dwPathLen, 0, 0);
3987 /*************************************************************************
3990 * Unicode version of SHGetWebFolderFilePathA.
3992 HRESULT WINAPI SHGetWebFolderFilePathW(LPCWSTR lpszFile, LPWSTR lpszPath, DWORD dwPathLen)
3994 static const WCHAR szWeb[] = {'\\','W','e','b','\\','\0'};
3995 static const WCHAR szWebMui[] = {'m','u','i','\\','%','0','4','x','\\','\0'};
3996 #define szWebLen (sizeof(szWeb)/sizeof(WCHAR))
3997 #define szWebMuiLen ((sizeof(szWebMui)+1)/sizeof(WCHAR))
3998 DWORD dwLen, dwFileLen;
3999 LANGID lidSystem, lidUser;
4001 TRACE("(%s,%p,%d)\n", debugstr_w(lpszFile), lpszPath, dwPathLen);
4003 /* Get base directory for web content */
4004 dwLen = GetSystemWindowsDirectoryW(lpszPath, dwPathLen);
4005 if (dwLen > 0 && lpszPath[dwLen-1] == '\\')
4008 dwFileLen = strlenW(lpszFile);
4010 if (dwLen + dwFileLen + szWebLen >= dwPathLen)
4011 return E_FAIL; /* lpszPath too short */
4013 strcpyW(lpszPath+dwLen, szWeb);
4015 dwPathLen = dwPathLen - dwLen; /* Remaining space */
4017 lidSystem = GetSystemDefaultUILanguage();
4018 lidUser = GetUserDefaultUILanguage();
4020 if (lidSystem != lidUser)
4022 if (dwFileLen + szWebMuiLen < dwPathLen)
4024 /* Use localised content in the users UI language if present */
4025 wsprintfW(lpszPath + dwLen, szWebMui, lidUser);
4026 strcpyW(lpszPath + dwLen + szWebMuiLen, lpszFile);
4027 if (PathFileExistsW(lpszPath))
4032 /* Fall back to OS default installed content */
4033 strcpyW(lpszPath + dwLen, lpszFile);
4034 if (PathFileExistsW(lpszPath))
4039 #define PATH_CHAR_CLASS_LETTER 0x00000001
4040 #define PATH_CHAR_CLASS_ASTERIX 0x00000002
4041 #define PATH_CHAR_CLASS_DOT 0x00000004
4042 #define PATH_CHAR_CLASS_BACKSLASH 0x00000008
4043 #define PATH_CHAR_CLASS_COLON 0x00000010
4044 #define PATH_CHAR_CLASS_SEMICOLON 0x00000020
4045 #define PATH_CHAR_CLASS_COMMA 0x00000040
4046 #define PATH_CHAR_CLASS_SPACE 0x00000080
4047 #define PATH_CHAR_CLASS_OTHER_VALID 0x00000100
4048 #define PATH_CHAR_CLASS_DOUBLEQUOTE 0x00000200
4050 #define PATH_CHAR_CLASS_INVALID 0x00000000
4051 #define PATH_CHAR_CLASS_ANY 0xffffffff
4053 static const DWORD SHELL_charclass[] =
4055 /* 0x00 */ PATH_CHAR_CLASS_INVALID, /* 0x01 */ PATH_CHAR_CLASS_INVALID,
4056 /* 0x02 */ PATH_CHAR_CLASS_INVALID, /* 0x03 */ PATH_CHAR_CLASS_INVALID,
4057 /* 0x04 */ PATH_CHAR_CLASS_INVALID, /* 0x05 */ PATH_CHAR_CLASS_INVALID,
4058 /* 0x06 */ PATH_CHAR_CLASS_INVALID, /* 0x07 */ PATH_CHAR_CLASS_INVALID,
4059 /* 0x08 */ PATH_CHAR_CLASS_INVALID, /* 0x09 */ PATH_CHAR_CLASS_INVALID,
4060 /* 0x0a */ PATH_CHAR_CLASS_INVALID, /* 0x0b */ PATH_CHAR_CLASS_INVALID,
4061 /* 0x0c */ PATH_CHAR_CLASS_INVALID, /* 0x0d */ PATH_CHAR_CLASS_INVALID,
4062 /* 0x0e */ PATH_CHAR_CLASS_INVALID, /* 0x0f */ PATH_CHAR_CLASS_INVALID,
4063 /* 0x10 */ PATH_CHAR_CLASS_INVALID, /* 0x11 */ PATH_CHAR_CLASS_INVALID,
4064 /* 0x12 */ PATH_CHAR_CLASS_INVALID, /* 0x13 */ PATH_CHAR_CLASS_INVALID,
4065 /* 0x14 */ PATH_CHAR_CLASS_INVALID, /* 0x15 */ PATH_CHAR_CLASS_INVALID,
4066 /* 0x16 */ PATH_CHAR_CLASS_INVALID, /* 0x17 */ PATH_CHAR_CLASS_INVALID,
4067 /* 0x18 */ PATH_CHAR_CLASS_INVALID, /* 0x19 */ PATH_CHAR_CLASS_INVALID,
4068 /* 0x1a */ PATH_CHAR_CLASS_INVALID, /* 0x1b */ PATH_CHAR_CLASS_INVALID,
4069 /* 0x1c */ PATH_CHAR_CLASS_INVALID, /* 0x1d */ PATH_CHAR_CLASS_INVALID,
4070 /* 0x1e */ PATH_CHAR_CLASS_INVALID, /* 0x1f */ PATH_CHAR_CLASS_INVALID,
4071 /* ' ' */ PATH_CHAR_CLASS_SPACE, /* '!' */ PATH_CHAR_CLASS_OTHER_VALID,
4072 /* '"' */ PATH_CHAR_CLASS_DOUBLEQUOTE, /* '#' */ PATH_CHAR_CLASS_OTHER_VALID,
4073 /* '$' */ PATH_CHAR_CLASS_OTHER_VALID, /* '%' */ PATH_CHAR_CLASS_OTHER_VALID,
4074 /* '&' */ PATH_CHAR_CLASS_OTHER_VALID, /* '\'' */ PATH_CHAR_CLASS_OTHER_VALID,
4075 /* '(' */ PATH_CHAR_CLASS_OTHER_VALID, /* ')' */ PATH_CHAR_CLASS_OTHER_VALID,
4076 /* '*' */ PATH_CHAR_CLASS_ASTERIX, /* '+' */ PATH_CHAR_CLASS_OTHER_VALID,
4077 /* ',' */ PATH_CHAR_CLASS_COMMA, /* '-' */ PATH_CHAR_CLASS_OTHER_VALID,
4078 /* '.' */ PATH_CHAR_CLASS_DOT, /* '/' */ PATH_CHAR_CLASS_INVALID,
4079 /* '0' */ PATH_CHAR_CLASS_OTHER_VALID, /* '1' */ PATH_CHAR_CLASS_OTHER_VALID,
4080 /* '2' */ PATH_CHAR_CLASS_OTHER_VALID, /* '3' */ PATH_CHAR_CLASS_OTHER_VALID,
4081 /* '4' */ PATH_CHAR_CLASS_OTHER_VALID, /* '5' */ PATH_CHAR_CLASS_OTHER_VALID,
4082 /* '6' */ PATH_CHAR_CLASS_OTHER_VALID, /* '7' */ PATH_CHAR_CLASS_OTHER_VALID,
4083 /* '8' */ PATH_CHAR_CLASS_OTHER_VALID, /* '9' */ PATH_CHAR_CLASS_OTHER_VALID,
4084 /* ':' */ PATH_CHAR_CLASS_COLON, /* ';' */ PATH_CHAR_CLASS_SEMICOLON,
4085 /* '<' */ PATH_CHAR_CLASS_INVALID, /* '=' */ PATH_CHAR_CLASS_OTHER_VALID,
4086 /* '>' */ PATH_CHAR_CLASS_INVALID, /* '?' */ PATH_CHAR_CLASS_LETTER,
4087 /* '@' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'A' */ PATH_CHAR_CLASS_ANY,
4088 /* 'B' */ PATH_CHAR_CLASS_ANY, /* 'C' */ PATH_CHAR_CLASS_ANY,
4089 /* 'D' */ PATH_CHAR_CLASS_ANY, /* 'E' */ PATH_CHAR_CLASS_ANY,
4090 /* 'F' */ PATH_CHAR_CLASS_ANY, /* 'G' */ PATH_CHAR_CLASS_ANY,
4091 /* 'H' */ PATH_CHAR_CLASS_ANY, /* 'I' */ PATH_CHAR_CLASS_ANY,
4092 /* 'J' */ PATH_CHAR_CLASS_ANY, /* 'K' */ PATH_CHAR_CLASS_ANY,
4093 /* 'L' */ PATH_CHAR_CLASS_ANY, /* 'M' */ PATH_CHAR_CLASS_ANY,
4094 /* 'N' */ PATH_CHAR_CLASS_ANY, /* 'O' */ PATH_CHAR_CLASS_ANY,
4095 /* 'P' */ PATH_CHAR_CLASS_ANY, /* 'Q' */ PATH_CHAR_CLASS_ANY,
4096 /* 'R' */ PATH_CHAR_CLASS_ANY, /* 'S' */ PATH_CHAR_CLASS_ANY,
4097 /* 'T' */ PATH_CHAR_CLASS_ANY, /* 'U' */ PATH_CHAR_CLASS_ANY,
4098 /* 'V' */ PATH_CHAR_CLASS_ANY, /* 'W' */ PATH_CHAR_CLASS_ANY,
4099 /* 'X' */ PATH_CHAR_CLASS_ANY, /* 'Y' */ PATH_CHAR_CLASS_ANY,
4100 /* 'Z' */ PATH_CHAR_CLASS_ANY, /* '[' */ PATH_CHAR_CLASS_OTHER_VALID,
4101 /* '\\' */ PATH_CHAR_CLASS_BACKSLASH, /* ']' */ PATH_CHAR_CLASS_OTHER_VALID,
4102 /* '^' */ PATH_CHAR_CLASS_OTHER_VALID, /* '_' */ PATH_CHAR_CLASS_OTHER_VALID,
4103 /* '`' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'a' */ PATH_CHAR_CLASS_ANY,
4104 /* 'b' */ PATH_CHAR_CLASS_ANY, /* 'c' */ PATH_CHAR_CLASS_ANY,
4105 /* 'd' */ PATH_CHAR_CLASS_ANY, /* 'e' */ PATH_CHAR_CLASS_ANY,
4106 /* 'f' */ PATH_CHAR_CLASS_ANY, /* 'g' */ PATH_CHAR_CLASS_ANY,
4107 /* 'h' */ PATH_CHAR_CLASS_ANY, /* 'i' */ PATH_CHAR_CLASS_ANY,
4108 /* 'j' */ PATH_CHAR_CLASS_ANY, /* 'k' */ PATH_CHAR_CLASS_ANY,
4109 /* 'l' */ PATH_CHAR_CLASS_ANY, /* 'm' */ PATH_CHAR_CLASS_ANY,
4110 /* 'n' */ PATH_CHAR_CLASS_ANY, /* 'o' */ PATH_CHAR_CLASS_ANY,
4111 /* 'p' */ PATH_CHAR_CLASS_ANY, /* 'q' */ PATH_CHAR_CLASS_ANY,
4112 /* 'r' */ PATH_CHAR_CLASS_ANY, /* 's' */ PATH_CHAR_CLASS_ANY,
4113 /* 't' */ PATH_CHAR_CLASS_ANY, /* 'u' */ PATH_CHAR_CLASS_ANY,
4114 /* 'v' */ PATH_CHAR_CLASS_ANY, /* 'w' */ PATH_CHAR_CLASS_ANY,
4115 /* 'x' */ PATH_CHAR_CLASS_ANY, /* 'y' */ PATH_CHAR_CLASS_ANY,
4116 /* 'z' */ PATH_CHAR_CLASS_ANY, /* '{' */ PATH_CHAR_CLASS_OTHER_VALID,
4117 /* '|' */ PATH_CHAR_CLASS_INVALID, /* '}' */ PATH_CHAR_CLASS_OTHER_VALID,
4118 /* '~' */ PATH_CHAR_CLASS_OTHER_VALID
4121 /*************************************************************************
4124 * Check if an ASCII char is of a certain class
4126 BOOL WINAPI PathIsValidCharA( char c, DWORD class )
4128 if ((unsigned)c > 0x7e)
4129 return class & PATH_CHAR_CLASS_OTHER_VALID;
4131 return class & SHELL_charclass[(unsigned)c];
4134 /*************************************************************************
4137 * Check if a Unicode char is of a certain class
4139 BOOL WINAPI PathIsValidCharW( WCHAR c, DWORD class )
4142 return class & PATH_CHAR_CLASS_OTHER_VALID;
4144 return class & SHELL_charclass[c];