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)
238 LPSTR prev = lpszPath;
240 TRACE("(%s)\n",debugstr_a(lpszPath));
242 if (!lpszPath || (iLen = strlen(lpszPath)) >= MAX_PATH)
248 lpszPath = CharNextA(prev);
261 /*************************************************************************
262 * PathAddBackslashW [SHLWAPI.@]
264 * See PathAddBackslashA.
266 LPWSTR WINAPI PathAddBackslashW( LPWSTR lpszPath )
270 TRACE("(%s)\n",debugstr_w(lpszPath));
272 if (!lpszPath || (iLen = strlenW(lpszPath)) >= MAX_PATH)
278 if (lpszPath[-1] != '\\')
287 /*************************************************************************
288 * PathBuildRootA [SHLWAPI.@]
290 * Create a root drive string (e.g. "A:\") from a drive number.
293 * lpszPath [O] Destination for the drive string
299 * If lpszPath is NULL or drive is invalid, nothing is written to lpszPath.
301 LPSTR WINAPI PathBuildRootA(LPSTR lpszPath, int drive)
303 TRACE("(%p,%d)\n", lpszPath, drive);
305 if (lpszPath && drive >= 0 && drive < 26)
307 lpszPath[0] = 'A' + drive;
315 /*************************************************************************
316 * PathBuildRootW [SHLWAPI.@]
318 * See PathBuildRootA.
320 LPWSTR WINAPI PathBuildRootW(LPWSTR lpszPath, int drive)
322 TRACE("(%p,%d)\n", lpszPath, drive);
324 if (lpszPath && drive >= 0 && drive < 26)
326 lpszPath[0] = 'A' + drive;
334 /*************************************************************************
335 * PathFindFileNameA [SHLWAPI.@]
337 * Locate the start of the file name in a path
340 * lpszPath [I] Path to search
343 * A pointer to the first character of the file name
345 LPSTR WINAPI PathFindFileNameA(LPCSTR lpszPath)
347 LPCSTR lastSlash = lpszPath;
349 TRACE("(%s)\n",debugstr_a(lpszPath));
351 while (lpszPath && *lpszPath)
353 if ((*lpszPath == '\\' || *lpszPath == '/' || *lpszPath == ':') &&
354 lpszPath[1] && lpszPath[1] != '\\' && lpszPath[1] != '/')
355 lastSlash = lpszPath + 1;
356 lpszPath = CharNextA(lpszPath);
358 return (LPSTR)lastSlash;
361 /*************************************************************************
362 * PathFindFileNameW [SHLWAPI.@]
364 * See PathFindFileNameA.
366 LPWSTR WINAPI PathFindFileNameW(LPCWSTR lpszPath)
368 LPCWSTR lastSlash = lpszPath;
370 TRACE("(%s)\n",debugstr_w(lpszPath));
372 while (lpszPath && *lpszPath)
374 if ((*lpszPath == '\\' || *lpszPath == '/' || *lpszPath == ':') &&
375 lpszPath[1] && lpszPath[1] != '\\' && lpszPath[1] != '/')
376 lastSlash = lpszPath + 1;
379 return (LPWSTR)lastSlash;
382 /*************************************************************************
383 * PathFindExtensionA [SHLWAPI.@]
385 * Locate the start of the file extension in a path
388 * lpszPath [I] The path to search
391 * A pointer to the first character of the extension, the end of
392 * the string if the path has no extension, or NULL If lpszPath is NULL
394 LPSTR WINAPI PathFindExtensionA( LPCSTR lpszPath )
396 LPCSTR lastpoint = NULL;
398 TRACE("(%s)\n", debugstr_a(lpszPath));
404 if (*lpszPath == '\\' || *lpszPath==' ')
406 else if (*lpszPath == '.')
407 lastpoint = lpszPath;
408 lpszPath = CharNextA(lpszPath);
411 return (LPSTR)(lastpoint ? lastpoint : lpszPath);
414 /*************************************************************************
415 * PathFindExtensionW [SHLWAPI.@]
417 * See PathFindExtensionA.
419 LPWSTR WINAPI PathFindExtensionW( LPCWSTR lpszPath )
421 LPCWSTR lastpoint = NULL;
423 TRACE("(%s)\n", debugstr_w(lpszPath));
429 if (*lpszPath == '\\' || *lpszPath==' ')
431 else if (*lpszPath == '.')
432 lastpoint = lpszPath;
436 return (LPWSTR)(lastpoint ? lastpoint : lpszPath);
439 /*************************************************************************
440 * PathGetArgsA [SHLWAPI.@]
442 * Find the next argument in a string delimited by spaces.
445 * lpszPath [I] The string to search for arguments in
448 * The start of the next argument in lpszPath, or NULL if lpszPath is NULL
451 * Spaces in quoted strings are ignored as delimiters.
453 LPSTR WINAPI PathGetArgsA(LPCSTR lpszPath)
455 BOOL bSeenQuote = FALSE;
457 TRACE("(%s)\n",debugstr_a(lpszPath));
463 if ((*lpszPath==' ') && !bSeenQuote)
464 return (LPSTR)lpszPath + 1;
465 if (*lpszPath == '"')
466 bSeenQuote = !bSeenQuote;
467 lpszPath = CharNextA(lpszPath);
470 return (LPSTR)lpszPath;
473 /*************************************************************************
474 * PathGetArgsW [SHLWAPI.@]
478 LPWSTR WINAPI PathGetArgsW(LPCWSTR lpszPath)
480 BOOL bSeenQuote = FALSE;
482 TRACE("(%s)\n",debugstr_w(lpszPath));
488 if ((*lpszPath==' ') && !bSeenQuote)
489 return (LPWSTR)lpszPath + 1;
490 if (*lpszPath == '"')
491 bSeenQuote = !bSeenQuote;
495 return (LPWSTR)lpszPath;
498 /*************************************************************************
499 * PathGetDriveNumberA [SHLWAPI.@]
501 * Return the drive number from a path
504 * lpszPath [I] Path to get the drive number from
507 * Success: The drive number corresponding to the drive in the path
508 * Failure: -1, if lpszPath contains no valid drive
510 int WINAPI PathGetDriveNumberA(LPCSTR lpszPath)
512 TRACE ("(%s)\n",debugstr_a(lpszPath));
514 if (lpszPath && !IsDBCSLeadByte(*lpszPath) && lpszPath[1] == ':' &&
515 tolower(*lpszPath) >= 'a' && tolower(*lpszPath) <= 'z')
516 return tolower(*lpszPath) - 'a';
520 /*************************************************************************
521 * PathGetDriveNumberW [SHLWAPI.@]
523 * See PathGetDriveNumberA.
525 int WINAPI PathGetDriveNumberW(LPCWSTR lpszPath)
527 TRACE ("(%s)\n",debugstr_w(lpszPath));
531 WCHAR tl = tolowerW(lpszPath[0]);
532 if (tl >= 'a' && tl <= 'z' && lpszPath[1] == ':')
538 /*************************************************************************
539 * PathRemoveFileSpecA [SHLWAPI.@]
541 * Remove the file specification from a path.
544 * lpszPath [I/O] Path to remove the file spec from
547 * TRUE If the path was valid and modified
550 BOOL WINAPI PathRemoveFileSpecA(LPSTR lpszPath)
552 LPSTR lpszFileSpec = lpszPath;
553 BOOL bModified = FALSE;
555 TRACE("(%s)\n",debugstr_a(lpszPath));
559 /* Skip directory or UNC path */
560 if (*lpszPath == '\\')
561 lpszFileSpec = ++lpszPath;
562 if (*lpszPath == '\\')
563 lpszFileSpec = ++lpszPath;
567 if(*lpszPath == '\\')
568 lpszFileSpec = lpszPath; /* Skip dir */
569 else if(*lpszPath == ':')
571 lpszFileSpec = ++lpszPath; /* Skip drive */
572 if (*lpszPath == '\\')
575 if (!(lpszPath = CharNextA(lpszPath)))
581 *lpszFileSpec = '\0';
588 /*************************************************************************
589 * PathRemoveFileSpecW [SHLWAPI.@]
591 * See PathRemoveFileSpecA.
593 BOOL WINAPI PathRemoveFileSpecW(LPWSTR lpszPath)
595 LPWSTR lpszFileSpec = lpszPath;
596 BOOL bModified = FALSE;
598 TRACE("(%s)\n",debugstr_w(lpszPath));
602 /* Skip directory or UNC path */
603 if (*lpszPath == '\\')
604 lpszFileSpec = ++lpszPath;
605 if (*lpszPath == '\\')
606 lpszFileSpec = ++lpszPath;
610 if(*lpszPath == '\\')
611 lpszFileSpec = lpszPath; /* Skip dir */
612 else if(*lpszPath == ':')
614 lpszFileSpec = ++lpszPath; /* Skip drive */
615 if (*lpszPath == '\\')
623 *lpszFileSpec = '\0';
630 /*************************************************************************
631 * PathStripPathA [SHLWAPI.@]
633 * Remove the initial path from the beginning of a filename
636 * lpszPath [I/O] Path to remove the initial path from
641 void WINAPI PathStripPathA(LPSTR lpszPath)
643 TRACE("(%s)\n", debugstr_a(lpszPath));
647 LPSTR lpszFileName = PathFindFileNameA(lpszPath);
649 RtlMoveMemory(lpszPath, lpszFileName, strlen(lpszFileName)+1);
653 /*************************************************************************
654 * PathStripPathW [SHLWAPI.@]
656 * See PathStripPathA.
658 void WINAPI PathStripPathW(LPWSTR lpszPath)
662 TRACE("(%s)\n", debugstr_w(lpszPath));
663 lpszFileName = PathFindFileNameW(lpszPath);
665 RtlMoveMemory(lpszPath, lpszFileName, (strlenW(lpszFileName)+1)*sizeof(WCHAR));
668 /*************************************************************************
669 * PathStripToRootA [SHLWAPI.@]
671 * Reduce a path to its root.
674 * lpszPath [I/O] the path to reduce
677 * Success: TRUE if the stripped path is a root path
678 * Failure: FALSE if the path cannot be stripped or is NULL
680 BOOL WINAPI PathStripToRootA(LPSTR lpszPath)
682 TRACE("(%s)\n", debugstr_a(lpszPath));
686 while(!PathIsRootA(lpszPath))
687 if (!PathRemoveFileSpecA(lpszPath))
692 /*************************************************************************
693 * PathStripToRootW [SHLWAPI.@]
695 * See PathStripToRootA.
697 BOOL WINAPI PathStripToRootW(LPWSTR lpszPath)
699 TRACE("(%s)\n", debugstr_w(lpszPath));
703 while(!PathIsRootW(lpszPath))
704 if (!PathRemoveFileSpecW(lpszPath))
709 /*************************************************************************
710 * PathRemoveArgsA [SHLWAPI.@]
712 * Strip space separated arguments from a path.
715 * lpszPath [I/O] Path to remove arguments from
720 void WINAPI PathRemoveArgsA(LPSTR lpszPath)
722 TRACE("(%s)\n",debugstr_a(lpszPath));
726 LPSTR lpszArgs = PathGetArgsA(lpszPath);
731 LPSTR lpszLastChar = CharPrevA(lpszPath, lpszArgs);
732 if(*lpszLastChar == ' ')
733 *lpszLastChar = '\0';
738 /*************************************************************************
739 * PathRemoveArgsW [SHLWAPI.@]
741 * See PathRemoveArgsA.
743 void WINAPI PathRemoveArgsW(LPWSTR lpszPath)
745 TRACE("(%s)\n",debugstr_w(lpszPath));
749 LPWSTR lpszArgs = PathGetArgsW(lpszPath);
750 if (*lpszArgs || (lpszArgs > lpszPath && lpszArgs[-1] == ' '))
755 /*************************************************************************
756 * PathRemoveExtensionA [SHLWAPI.@]
758 * Remove the file extension from a path
761 * lpszPath [I/O] Path to remove the extension from
764 * The NUL terminator must be written only if extension exists
765 * and if the pointed character is not already NUL.
770 void WINAPI PathRemoveExtensionA(LPSTR lpszPath)
772 TRACE("(%s)\n", debugstr_a(lpszPath));
776 lpszPath = PathFindExtensionA(lpszPath);
777 if (lpszPath && *lpszPath != '\0')
782 /*************************************************************************
783 * PathRemoveExtensionW [SHLWAPI.@]
785 * See PathRemoveExtensionA.
787 void WINAPI PathRemoveExtensionW(LPWSTR lpszPath)
789 TRACE("(%s)\n", debugstr_w(lpszPath));
793 lpszPath = PathFindExtensionW(lpszPath);
794 if (lpszPath && *lpszPath != '\0')
799 /*************************************************************************
800 * PathRemoveBackslashA [SHLWAPI.@]
802 * Remove a trailing backslash from a path.
805 * lpszPath [I/O] Path to remove backslash from
808 * Success: A pointer to the end of the path
809 * Failure: NULL, if lpszPath is NULL
811 LPSTR WINAPI PathRemoveBackslashA( LPSTR lpszPath )
815 TRACE("(%s)\n", debugstr_a(lpszPath));
819 szTemp = CharPrevA(lpszPath, lpszPath + strlen(lpszPath));
820 if (!PathIsRootA(lpszPath) && *szTemp == '\\')
826 /*************************************************************************
827 * PathRemoveBackslashW [SHLWAPI.@]
829 * See PathRemoveBackslashA.
831 LPWSTR WINAPI PathRemoveBackslashW( LPWSTR lpszPath )
833 LPWSTR szTemp = NULL;
835 TRACE("(%s)\n", debugstr_w(lpszPath));
839 szTemp = lpszPath + strlenW(lpszPath);
840 if (szTemp > lpszPath) szTemp--;
841 if (!PathIsRootW(lpszPath) && *szTemp == '\\')
847 /*************************************************************************
848 * PathRemoveBlanksA [SHLWAPI.@]
850 * Remove Spaces from the start and end of a path.
853 * lpszPath [I/O] Path to strip blanks from
858 VOID WINAPI PathRemoveBlanksA(LPSTR lpszPath)
860 TRACE("(%s)\n", debugstr_a(lpszPath));
862 if(lpszPath && *lpszPath)
864 LPSTR start = lpszPath;
866 while (*lpszPath == ' ')
867 lpszPath = CharNextA(lpszPath);
870 *start++ = *lpszPath++;
872 if (start != lpszPath)
873 while (start[-1] == ' ')
879 /*************************************************************************
880 * PathRemoveBlanksW [SHLWAPI.@]
882 * See PathRemoveBlanksA.
884 VOID WINAPI PathRemoveBlanksW(LPWSTR lpszPath)
886 TRACE("(%s)\n", debugstr_w(lpszPath));
888 if(lpszPath && *lpszPath)
890 LPWSTR start = lpszPath;
892 while (*lpszPath == ' ')
896 *start++ = *lpszPath++;
898 if (start != lpszPath)
899 while (start[-1] == ' ')
905 /*************************************************************************
906 * PathQuoteSpacesA [SHLWAPI.@]
908 * Surround a path containing spaces in quotes.
911 * lpszPath [I/O] Path to quote
917 * The path is not changed if it is invalid or has no spaces.
919 VOID WINAPI PathQuoteSpacesA(LPSTR lpszPath)
921 TRACE("(%s)\n", debugstr_a(lpszPath));
923 if(lpszPath && StrChrA(lpszPath,' '))
925 size_t iLen = strlen(lpszPath) + 1;
927 if (iLen + 2 < MAX_PATH)
929 memmove(lpszPath + 1, lpszPath, iLen);
931 lpszPath[iLen] = '"';
932 lpszPath[iLen + 1] = '\0';
937 /*************************************************************************
938 * PathQuoteSpacesW [SHLWAPI.@]
940 * See PathQuoteSpacesA.
942 VOID WINAPI PathQuoteSpacesW(LPWSTR lpszPath)
944 TRACE("(%s)\n", debugstr_w(lpszPath));
946 if(lpszPath && StrChrW(lpszPath,' '))
948 int iLen = strlenW(lpszPath) + 1;
950 if (iLen + 2 < MAX_PATH)
952 memmove(lpszPath + 1, lpszPath, iLen * sizeof(WCHAR));
954 lpszPath[iLen] = '"';
955 lpszPath[iLen + 1] = '\0';
960 /*************************************************************************
961 * PathUnquoteSpacesA [SHLWAPI.@]
963 * Remove quotes ("") from around a path, if present.
966 * lpszPath [I/O] Path to strip quotes from
972 * If the path contains a single quote only, an empty string will result.
973 * Otherwise quotes are only removed if they appear at the start and end
976 VOID WINAPI PathUnquoteSpacesA(LPSTR lpszPath)
978 TRACE("(%s)\n", debugstr_a(lpszPath));
980 if (lpszPath && *lpszPath == '"')
982 DWORD dwLen = strlen(lpszPath) - 1;
984 if (lpszPath[dwLen] == '"')
986 lpszPath[dwLen] = '\0';
987 for (; *lpszPath; lpszPath++)
988 *lpszPath = lpszPath[1];
993 /*************************************************************************
994 * PathUnquoteSpacesW [SHLWAPI.@]
996 * See PathUnquoteSpacesA.
998 VOID WINAPI PathUnquoteSpacesW(LPWSTR lpszPath)
1000 TRACE("(%s)\n", debugstr_w(lpszPath));
1002 if (lpszPath && *lpszPath == '"')
1004 DWORD dwLen = strlenW(lpszPath) - 1;
1006 if (lpszPath[dwLen] == '"')
1008 lpszPath[dwLen] = '\0';
1009 for (; *lpszPath; lpszPath++)
1010 *lpszPath = lpszPath[1];
1015 /*************************************************************************
1016 * PathParseIconLocationA [SHLWAPI.@]
1018 * Parse the location of an icon from a path.
1021 * lpszPath [I/O] The path to parse the icon location from.
1024 * Success: The number of the icon
1025 * Failure: 0 if the path does not contain an icon location or is NULL
1028 * The path has surrounding quotes and spaces removed regardless
1029 * of whether the call succeeds or not.
1031 int WINAPI PathParseIconLocationA(LPSTR lpszPath)
1036 TRACE("(%s)\n", debugstr_a(lpszPath));
1040 if ((lpszComma = strchr(lpszPath, ',')))
1042 *lpszComma++ = '\0';
1043 iRet = StrToIntA(lpszComma);
1045 PathUnquoteSpacesA(lpszPath);
1046 PathRemoveBlanksA(lpszPath);
1051 /*************************************************************************
1052 * PathParseIconLocationW [SHLWAPI.@]
1054 * See PathParseIconLocationA.
1056 int WINAPI PathParseIconLocationW(LPWSTR lpszPath)
1061 TRACE("(%s)\n", debugstr_w(lpszPath));
1065 if ((lpszComma = StrChrW(lpszPath, ',')))
1067 *lpszComma++ = '\0';
1068 iRet = StrToIntW(lpszComma);
1070 PathUnquoteSpacesW(lpszPath);
1071 PathRemoveBlanksW(lpszPath);
1076 /*************************************************************************
1079 * Unicode version of PathFileExistsDefExtA.
1081 BOOL WINAPI PathFileExistsDefExtW(LPWSTR lpszPath,DWORD dwWhich)
1083 static const WCHAR pszExts[][5] = { { '.', 'p', 'i', 'f', 0},
1084 { '.', 'c', 'o', 'm', 0},
1085 { '.', 'e', 'x', 'e', 0},
1086 { '.', 'b', 'a', 't', 0},
1087 { '.', 'l', 'n', 'k', 0},
1088 { '.', 'c', 'm', 'd', 0},
1091 TRACE("(%s,%d)\n", debugstr_w(lpszPath), dwWhich);
1093 if (!lpszPath || PathIsUNCServerW(lpszPath) || PathIsUNCServerShareW(lpszPath))
1098 LPCWSTR szExt = PathFindExtensionW(lpszPath);
1099 if (!*szExt || dwWhich & 0x40)
1102 int iLen = lstrlenW(lpszPath);
1103 if (iLen > (MAX_PATH - 5))
1105 while ( (dwWhich & 0x1) && pszExts[iChoose][0] )
1107 lstrcpyW(lpszPath + iLen, pszExts[iChoose]);
1108 if (PathFileExistsW(lpszPath))
1113 *(lpszPath + iLen) = (WCHAR)'\0';
1117 return PathFileExistsW(lpszPath);
1120 /*************************************************************************
1123 * Determine if a file exists locally and is of an executable type.
1126 * lpszPath [I/O] File to search for
1127 * dwWhich [I] Type of executable to search for
1130 * TRUE If the file was found. lpszPath contains the file name.
1134 * lpszPath is modified in place and must be at least MAX_PATH in length.
1135 * If the function returns FALSE, the path is modified to its original state.
1136 * If the given path contains an extension or dwWhich is 0, executable
1137 * extensions are not checked.
1139 * Ordinals 3-6 are a classic case of MS exposing limited functionality to
1140 * users (here through PathFindOnPathA()) and keeping advanced functionality for
1141 * their own developers exclusive use. Monopoly, anyone?
1143 BOOL WINAPI PathFileExistsDefExtA(LPSTR lpszPath,DWORD dwWhich)
1147 TRACE("(%s,%d)\n", debugstr_a(lpszPath), dwWhich);
1151 WCHAR szPath[MAX_PATH];
1152 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
1153 bRet = PathFileExistsDefExtW(szPath, dwWhich);
1155 WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
1160 /*************************************************************************
1161 * SHLWAPI_PathFindInOtherDirs
1163 * Internal helper for SHLWAPI_PathFindOnPathExA/W.
1165 static BOOL SHLWAPI_PathFindInOtherDirs(LPWSTR lpszFile, DWORD dwWhich)
1167 static const WCHAR szSystem[] = { 'S','y','s','t','e','m','\0'};
1168 static const WCHAR szPath[] = { 'P','A','T','H','\0'};
1172 WCHAR buff[MAX_PATH];
1174 TRACE("(%s,%08x)\n", debugstr_w(lpszFile), dwWhich);
1176 /* Try system directories */
1177 GetSystemDirectoryW(buff, MAX_PATH);
1178 if (!PathAppendW(buff, lpszFile))
1180 if (PathFileExistsDefExtW(buff, dwWhich))
1182 strcpyW(lpszFile, buff);
1185 GetWindowsDirectoryW(buff, MAX_PATH);
1186 if (!PathAppendW(buff, szSystem ) || !PathAppendW(buff, lpszFile))
1188 if (PathFileExistsDefExtW(buff, dwWhich))
1190 strcpyW(lpszFile, buff);
1193 GetWindowsDirectoryW(buff, MAX_PATH);
1194 if (!PathAppendW(buff, lpszFile))
1196 if (PathFileExistsDefExtW(buff, dwWhich))
1198 strcpyW(lpszFile, buff);
1201 /* Try dirs listed in %PATH% */
1202 dwLenPATH = GetEnvironmentVariableW(szPath, buff, MAX_PATH);
1204 if (!dwLenPATH || !(lpszPATH = HeapAlloc(GetProcessHeap(), 0, (dwLenPATH + 1) * sizeof (WCHAR))))
1207 GetEnvironmentVariableW(szPath, lpszPATH, dwLenPATH + 1);
1208 lpszCurr = lpszPATH;
1211 LPCWSTR lpszEnd = lpszCurr;
1212 LPWSTR pBuff = buff;
1214 while (*lpszEnd == ' ')
1216 while (*lpszEnd && *lpszEnd != ';')
1217 *pBuff++ = *lpszEnd++;
1221 lpszCurr = lpszEnd + 1;
1223 lpszCurr = NULL; /* Last Path, terminate after this */
1225 if (!PathAppendW(buff, lpszFile))
1227 HeapFree(GetProcessHeap(), 0, lpszPATH);
1230 if (PathFileExistsDefExtW(buff, dwWhich))
1232 strcpyW(lpszFile, buff);
1233 HeapFree(GetProcessHeap(), 0, lpszPATH);
1237 HeapFree(GetProcessHeap(), 0, lpszPATH);
1241 /*************************************************************************
1244 * Search a range of paths for a specific type of executable.
1247 * lpszFile [I/O] File to search for
1248 * lppszOtherDirs [I] Other directories to look in
1249 * dwWhich [I] Type of executable to search for
1252 * Success: TRUE. The path to the executable is stored in lpszFile.
1253 * Failure: FALSE. The path to the executable is unchanged.
1255 BOOL WINAPI PathFindOnPathExA(LPSTR lpszFile,LPCSTR *lppszOtherDirs,DWORD dwWhich)
1257 WCHAR szFile[MAX_PATH];
1258 WCHAR buff[MAX_PATH];
1260 TRACE("(%s,%p,%08x)\n", debugstr_a(lpszFile), lppszOtherDirs, dwWhich);
1262 if (!lpszFile || !PathIsFileSpecA(lpszFile))
1265 MultiByteToWideChar(CP_ACP,0,lpszFile,-1,szFile,MAX_PATH);
1267 /* Search provided directories first */
1268 if (lppszOtherDirs && *lppszOtherDirs)
1270 WCHAR szOther[MAX_PATH];
1271 LPCSTR *lpszOtherPath = lppszOtherDirs;
1273 while (lpszOtherPath && *lpszOtherPath && (*lpszOtherPath)[0])
1275 MultiByteToWideChar(CP_ACP,0,*lpszOtherPath,-1,szOther,MAX_PATH);
1276 PathCombineW(buff, szOther, szFile);
1277 if (PathFileExistsDefExtW(buff, dwWhich))
1279 WideCharToMultiByte(CP_ACP,0,buff,-1,lpszFile,MAX_PATH,0,0);
1285 /* Not found, try system and path dirs */
1286 if (SHLWAPI_PathFindInOtherDirs(szFile, dwWhich))
1288 WideCharToMultiByte(CP_ACP,0,szFile,-1,lpszFile,MAX_PATH,0,0);
1294 /*************************************************************************
1297 * Unicode version of PathFindOnPathExA.
1299 BOOL WINAPI PathFindOnPathExW(LPWSTR lpszFile,LPCWSTR *lppszOtherDirs,DWORD dwWhich)
1301 WCHAR buff[MAX_PATH];
1303 TRACE("(%s,%p,%08x)\n", debugstr_w(lpszFile), lppszOtherDirs, dwWhich);
1305 if (!lpszFile || !PathIsFileSpecW(lpszFile))
1308 /* Search provided directories first */
1309 if (lppszOtherDirs && *lppszOtherDirs)
1311 LPCWSTR *lpszOtherPath = lppszOtherDirs;
1312 while (lpszOtherPath && *lpszOtherPath && (*lpszOtherPath)[0])
1314 PathCombineW(buff, *lpszOtherPath, lpszFile);
1315 if (PathFileExistsDefExtW(buff, dwWhich))
1317 strcpyW(lpszFile, buff);
1323 /* Not found, try system and path dirs */
1324 return SHLWAPI_PathFindInOtherDirs(lpszFile, dwWhich);
1327 /*************************************************************************
1328 * PathFindOnPathA [SHLWAPI.@]
1330 * Search a range of paths for an executable.
1333 * lpszFile [I/O] File to search for
1334 * lppszOtherDirs [I] Other directories to look in
1337 * Success: TRUE. The path to the executable is stored in lpszFile.
1338 * Failure: FALSE. The path to the executable is unchanged.
1340 BOOL WINAPI PathFindOnPathA(LPSTR lpszFile, LPCSTR *lppszOtherDirs)
1342 TRACE("(%s,%p)\n", debugstr_a(lpszFile), lppszOtherDirs);
1343 return PathFindOnPathExA(lpszFile, lppszOtherDirs, 0);
1346 /*************************************************************************
1347 * PathFindOnPathW [SHLWAPI.@]
1349 * See PathFindOnPathA.
1351 BOOL WINAPI PathFindOnPathW(LPWSTR lpszFile, LPCWSTR *lppszOtherDirs)
1353 TRACE("(%s,%p)\n", debugstr_w(lpszFile), lppszOtherDirs);
1354 return PathFindOnPathExW(lpszFile,lppszOtherDirs, 0);
1357 /*************************************************************************
1358 * PathCompactPathExA [SHLWAPI.@]
1360 * Compact a path into a given number of characters.
1363 * lpszDest [O] Destination for compacted path
1364 * lpszPath [I] Source path
1365 * cchMax [I] Maximum size of compacted path
1366 * dwFlags [I] Reserved
1369 * Success: TRUE. The compacted path is written to lpszDest.
1370 * Failure: FALSE. lpszPath is undefined.
1373 * If cchMax is given as 0, lpszDest will still be NUL terminated.
1375 * The Win32 version of this function contains a bug: When cchMax == 7,
1376 * 8 bytes will be written to lpszDest. This bug is fixed in the Wine
1379 * Some relative paths will be different when cchMax == 5 or 6. This occurs
1380 * because Win32 will insert a "\" in lpszDest, even if one is
1381 * not present in the original path.
1383 BOOL WINAPI PathCompactPathExA(LPSTR lpszDest, LPCSTR lpszPath,
1384 UINT cchMax, DWORD dwFlags)
1388 TRACE("(%p,%s,%d,0x%08x)\n", lpszDest, debugstr_a(lpszPath), cchMax, dwFlags);
1390 if (lpszPath && lpszDest)
1392 WCHAR szPath[MAX_PATH];
1393 WCHAR szDest[MAX_PATH];
1395 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
1397 bRet = PathCompactPathExW(szDest, szPath, cchMax, dwFlags);
1398 WideCharToMultiByte(CP_ACP,0,szDest,-1,lpszDest,MAX_PATH,0,0);
1403 /*************************************************************************
1404 * PathCompactPathExW [SHLWAPI.@]
1406 * See PathCompactPathExA.
1408 BOOL WINAPI PathCompactPathExW(LPWSTR lpszDest, LPCWSTR lpszPath,
1409 UINT cchMax, DWORD dwFlags)
1411 static const WCHAR szEllipses[] = { '.', '.', '.', '\0' };
1413 DWORD dwLen, dwFileLen = 0;
1415 TRACE("(%p,%s,%d,0x%08x)\n", lpszDest, debugstr_w(lpszPath), cchMax, dwFlags);
1422 WARN("Invalid lpszDest would crash under Win32!\n");
1431 dwLen = strlenW(lpszPath) + 1;
1435 /* Don't need to compact */
1436 memcpy(lpszDest, lpszPath, dwLen * sizeof(WCHAR));
1440 /* Path must be compacted to fit into lpszDest */
1441 lpszFile = PathFindFileNameW(lpszPath);
1442 dwFileLen = lpszPath + dwLen - lpszFile;
1444 if (dwFileLen == dwLen)
1446 /* No root in psth */
1449 while (--cchMax > 0) /* No room left for anything but ellipses */
1454 /* Compact the file name with ellipses at the end */
1456 memcpy(lpszDest, lpszFile, cchMax * sizeof(WCHAR));
1457 strcpyW(lpszDest + cchMax, szEllipses);
1460 /* We have a root in the path */
1461 lpszFile--; /* Start compacted filename with the path separator */
1464 if (dwFileLen + 3 > cchMax)
1466 /* Compact the file name */
1469 while (--cchMax > 0) /* No room left for anything but ellipses */
1474 strcpyW(lpszDest, szEllipses);
1477 *lpszDest++ = *lpszFile++;
1480 while (--cchMax > 0) /* No room left for anything but ellipses */
1486 memcpy(lpszDest, lpszFile, cchMax * sizeof(WCHAR));
1487 strcpyW(lpszDest + cchMax, szEllipses);
1491 /* Only the root needs to be Compacted */
1492 dwLen = cchMax - dwFileLen - 3;
1493 memcpy(lpszDest, lpszPath, dwLen * sizeof(WCHAR));
1494 strcpyW(lpszDest + dwLen, szEllipses);
1495 strcpyW(lpszDest + dwLen + 3, lpszFile);
1499 /*************************************************************************
1500 * PathIsRelativeA [SHLWAPI.@]
1502 * Determine if a path is a relative path.
1505 * lpszPath [I] Path to check
1508 * TRUE: The path is relative, or is invalid.
1509 * FALSE: The path is not relative.
1511 BOOL WINAPI PathIsRelativeA (LPCSTR lpszPath)
1513 TRACE("(%s)\n",debugstr_a(lpszPath));
1515 if (!lpszPath || !*lpszPath || IsDBCSLeadByte(*lpszPath))
1517 if (*lpszPath == '\\' || (*lpszPath && lpszPath[1] == ':'))
1522 /*************************************************************************
1523 * PathIsRelativeW [SHLWAPI.@]
1525 * See PathIsRelativeA.
1527 BOOL WINAPI PathIsRelativeW (LPCWSTR lpszPath)
1529 TRACE("(%s)\n",debugstr_w(lpszPath));
1531 if (!lpszPath || !*lpszPath)
1533 if (*lpszPath == '\\' || (*lpszPath && lpszPath[1] == ':'))
1538 /*************************************************************************
1539 * PathIsRootA [SHLWAPI.@]
1541 * Determine if a path is a root path.
1544 * lpszPath [I] Path to check
1547 * TRUE If lpszPath is valid and a root path,
1550 BOOL WINAPI PathIsRootA(LPCSTR lpszPath)
1552 TRACE("(%s)\n", debugstr_a(lpszPath));
1554 if (lpszPath && *lpszPath)
1556 if (*lpszPath == '\\')
1559 return TRUE; /* \ */
1560 else if (lpszPath[1]=='\\')
1562 BOOL bSeenSlash = FALSE;
1565 /* Check for UNC root path */
1568 if (*lpszPath == '\\')
1574 lpszPath = CharNextA(lpszPath);
1579 else if (lpszPath[1] == ':' && lpszPath[2] == '\\' && lpszPath[3] == '\0')
1580 return TRUE; /* X:\ */
1585 /*************************************************************************
1586 * PathIsRootW [SHLWAPI.@]
1590 BOOL WINAPI PathIsRootW(LPCWSTR lpszPath)
1592 TRACE("(%s)\n", debugstr_w(lpszPath));
1594 if (lpszPath && *lpszPath)
1596 if (*lpszPath == '\\')
1599 return TRUE; /* \ */
1600 else if (lpszPath[1]=='\\')
1602 BOOL bSeenSlash = FALSE;
1605 /* Check for UNC root path */
1608 if (*lpszPath == '\\')
1619 else if (lpszPath[1] == ':' && lpszPath[2] == '\\' && lpszPath[3] == '\0')
1620 return TRUE; /* X:\ */
1625 /*************************************************************************
1626 * PathIsDirectoryA [SHLWAPI.@]
1628 * Determine if a path is a valid directory
1631 * lpszPath [I] Path to check.
1634 * FILE_ATTRIBUTE_DIRECTORY if lpszPath exists and can be read (See Notes)
1635 * FALSE if lpszPath is invalid or not a directory.
1638 * Although this function is prototyped as returning a BOOL, it returns
1639 * FILE_ATTRIBUTE_DIRECTORY for success. This means that code such as:
1641 *| if (PathIsDirectoryA("c:\\windows\\") == TRUE)
1646 BOOL WINAPI PathIsDirectoryA(LPCSTR lpszPath)
1650 TRACE("(%s)\n", debugstr_a(lpszPath));
1652 if (!lpszPath || PathIsUNCServerA(lpszPath))
1655 if (PathIsUNCServerShareA(lpszPath))
1657 FIXME("UNC Server Share not yet supported - FAILING\n");
1661 if ((dwAttr = GetFileAttributesA(lpszPath)) == INVALID_FILE_ATTRIBUTES)
1663 return dwAttr & FILE_ATTRIBUTE_DIRECTORY;
1666 /*************************************************************************
1667 * PathIsDirectoryW [SHLWAPI.@]
1669 * See PathIsDirectoryA.
1671 BOOL WINAPI PathIsDirectoryW(LPCWSTR lpszPath)
1675 TRACE("(%s)\n", debugstr_w(lpszPath));
1677 if (!lpszPath || PathIsUNCServerW(lpszPath))
1680 if (PathIsUNCServerShareW(lpszPath))
1682 FIXME("UNC Server Share not yet supported - FAILING\n");
1686 if ((dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES)
1688 return dwAttr & FILE_ATTRIBUTE_DIRECTORY;
1691 /*************************************************************************
1692 * PathFileExistsA [SHLWAPI.@]
1694 * Determine if a file exists.
1697 * lpszPath [I] Path to check
1700 * TRUE If the file exists and is readable
1703 BOOL WINAPI PathFileExistsA(LPCSTR lpszPath)
1708 TRACE("(%s)\n",debugstr_a(lpszPath));
1713 /* Prevent a dialog box if path is on a disk that has been ejected. */
1714 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1715 dwAttr = GetFileAttributesA(lpszPath);
1716 SetErrorMode(iPrevErrMode);
1717 return dwAttr != INVALID_FILE_ATTRIBUTES;
1720 /*************************************************************************
1721 * PathFileExistsW [SHLWAPI.@]
1723 * See PathFileExistsA.
1725 BOOL WINAPI PathFileExistsW(LPCWSTR lpszPath)
1730 TRACE("(%s)\n",debugstr_w(lpszPath));
1735 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1736 dwAttr = GetFileAttributesW(lpszPath);
1737 SetErrorMode(iPrevErrMode);
1738 return dwAttr != INVALID_FILE_ATTRIBUTES;
1741 /*************************************************************************
1742 * PathFileExistsAndAttributesA [SHLWAPI.445]
1744 * Determine if a file exists.
1747 * lpszPath [I] Path to check
1748 * dwAttr [O] attributes of file
1751 * TRUE If the file exists and is readable
1754 BOOL WINAPI PathFileExistsAndAttributesA(LPCSTR lpszPath, DWORD *dwAttr)
1759 TRACE("(%s %p)\n", debugstr_a(lpszPath), dwAttr);
1762 *dwAttr = INVALID_FILE_ATTRIBUTES;
1767 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1768 dwVal = GetFileAttributesA(lpszPath);
1769 SetErrorMode(iPrevErrMode);
1772 return (dwVal != INVALID_FILE_ATTRIBUTES);
1775 /*************************************************************************
1776 * PathFileExistsAndAttributesW [SHLWAPI.446]
1778 * See PathFileExistsA.
1780 BOOL WINAPI PathFileExistsAndAttributesW(LPCWSTR lpszPath, DWORD *dwAttr)
1785 TRACE("(%s %p)\n", debugstr_w(lpszPath), dwAttr);
1790 iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
1791 dwVal = GetFileAttributesW(lpszPath);
1792 SetErrorMode(iPrevErrMode);
1795 return (dwVal != INVALID_FILE_ATTRIBUTES);
1798 /*************************************************************************
1799 * PathMatchSingleMaskA [internal]
1801 static BOOL PathMatchSingleMaskA(LPCSTR name, LPCSTR mask)
1803 while (*name && *mask && *mask!=';')
1809 if (PathMatchSingleMaskA(name,mask+1))
1810 return TRUE; /* try substrings */
1815 if (toupper(*mask) != toupper(*name) && *mask != '?')
1818 name = CharNextA(name);
1819 mask = CharNextA(mask);
1824 while (*mask == '*')
1826 if (!*mask || *mask == ';')
1832 /*************************************************************************
1833 * PathMatchSingleMaskW [internal]
1835 static BOOL PathMatchSingleMaskW(LPCWSTR name, LPCWSTR mask)
1837 while (*name && *mask && *mask != ';')
1843 if (PathMatchSingleMaskW(name,mask+1))
1844 return TRUE; /* try substrings */
1849 if (toupperW(*mask) != toupperW(*name) && *mask != '?')
1857 while (*mask == '*')
1859 if (!*mask || *mask == ';')
1865 /*************************************************************************
1866 * PathMatchSpecA [SHLWAPI.@]
1868 * Determine if a path matches one or more search masks.
1871 * lpszPath [I] Path to check
1872 * lpszMask [I] Search mask(s)
1875 * TRUE If lpszPath is valid and is matched
1879 * Multiple search masks may be given if they are separated by ";". The
1880 * pattern "*.*" is treated specially in that it matches all paths (for
1881 * backwards compatibility with DOS).
1883 BOOL WINAPI PathMatchSpecA(LPCSTR lpszPath, LPCSTR lpszMask)
1885 TRACE("(%s,%s)\n", lpszPath, lpszMask);
1887 if (!lstrcmpA(lpszMask, "*.*"))
1888 return TRUE; /* Matches every path */
1892 while (*lpszMask == ' ')
1893 lpszMask++; /* Eat leading spaces */
1895 if (PathMatchSingleMaskA(lpszPath, lpszMask))
1896 return TRUE; /* Matches the current mask */
1898 while (*lpszMask && *lpszMask != ';')
1899 lpszMask = CharNextA(lpszMask); /* masks separated by ';' */
1901 if (*lpszMask == ';')
1907 /*************************************************************************
1908 * PathMatchSpecW [SHLWAPI.@]
1910 * See PathMatchSpecA.
1912 BOOL WINAPI PathMatchSpecW(LPCWSTR lpszPath, LPCWSTR lpszMask)
1914 static const WCHAR szStarDotStar[] = { '*', '.', '*', '\0' };
1916 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszMask));
1918 if (!lstrcmpW(lpszMask, szStarDotStar))
1919 return TRUE; /* Matches every path */
1923 while (*lpszMask == ' ')
1924 lpszMask++; /* Eat leading spaces */
1926 if (PathMatchSingleMaskW(lpszPath, lpszMask))
1927 return TRUE; /* Matches the current path */
1929 while (*lpszMask && *lpszMask != ';')
1930 lpszMask++; /* masks separated by ';' */
1932 if (*lpszMask == ';')
1938 /*************************************************************************
1939 * PathIsSameRootA [SHLWAPI.@]
1941 * Determine if two paths share the same root.
1944 * lpszPath1 [I] Source path
1945 * lpszPath2 [I] Path to compare with
1948 * TRUE If both paths are valid and share the same root.
1949 * FALSE If either path is invalid or the paths do not share the same root.
1951 BOOL WINAPI PathIsSameRootA(LPCSTR lpszPath1, LPCSTR lpszPath2)
1956 TRACE("(%s,%s)\n", debugstr_a(lpszPath1), debugstr_a(lpszPath2));
1958 if (!lpszPath1 || !lpszPath2 || !(lpszStart = PathSkipRootA(lpszPath1)))
1961 dwLen = PathCommonPrefixA(lpszPath1, lpszPath2, NULL) + 1;
1962 if (lpszStart - lpszPath1 > dwLen)
1963 return FALSE; /* Paths not common up to length of the root */
1967 /*************************************************************************
1968 * PathIsSameRootW [SHLWAPI.@]
1970 * See PathIsSameRootA.
1972 BOOL WINAPI PathIsSameRootW(LPCWSTR lpszPath1, LPCWSTR lpszPath2)
1977 TRACE("(%s,%s)\n", debugstr_w(lpszPath1), debugstr_w(lpszPath2));
1979 if (!lpszPath1 || !lpszPath2 || !(lpszStart = PathSkipRootW(lpszPath1)))
1982 dwLen = PathCommonPrefixW(lpszPath1, lpszPath2, NULL) + 1;
1983 if (lpszStart - lpszPath1 > dwLen)
1984 return FALSE; /* Paths not common up to length of the root */
1988 /*************************************************************************
1989 * PathIsContentTypeA [SHLWAPI.@]
1991 * Determine if a file is of a given registered content type.
1994 * lpszPath [I] File to check
1995 * lpszContentType [I] Content type to check for
1998 * TRUE If lpszPath is a given registered content type,
2002 * This function looks up the registered content type for lpszPath. If
2003 * a content type is registered, it is compared (case insensitively) to
2004 * lpszContentType. Only if this matches does the function succeed.
2006 BOOL WINAPI PathIsContentTypeA(LPCSTR lpszPath, LPCSTR lpszContentType)
2010 char szBuff[MAX_PATH];
2012 TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszContentType));
2014 if (lpszPath && (szExt = PathFindExtensionA(lpszPath)) && *szExt &&
2015 !SHGetValueA(HKEY_CLASSES_ROOT, szExt, "Content Type",
2016 REG_NONE, szBuff, &dwDummy) &&
2017 !strcasecmp(lpszContentType, szBuff))
2024 /*************************************************************************
2025 * PathIsContentTypeW [SHLWAPI.@]
2027 * See PathIsContentTypeA.
2029 BOOL WINAPI PathIsContentTypeW(LPCWSTR lpszPath, LPCWSTR lpszContentType)
2031 static const WCHAR szContentType[] = { 'C','o','n','t','e','n','t',' ','T','y','p','e','\0' };
2034 WCHAR szBuff[MAX_PATH];
2036 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszContentType));
2038 if (lpszPath && (szExt = PathFindExtensionW(lpszPath)) && *szExt &&
2039 !SHGetValueW(HKEY_CLASSES_ROOT, szExt, szContentType,
2040 REG_NONE, szBuff, &dwDummy) &&
2041 !strcmpiW(lpszContentType, szBuff))
2048 /*************************************************************************
2049 * PathIsFileSpecA [SHLWAPI.@]
2051 * Determine if a path is a file specification.
2054 * lpszPath [I] Path to check
2057 * TRUE If lpszPath is a file specification (i.e. Contains no directories).
2060 BOOL WINAPI PathIsFileSpecA(LPCSTR lpszPath)
2062 TRACE("(%s)\n", debugstr_a(lpszPath));
2069 if (*lpszPath == '\\' || *lpszPath == ':')
2071 lpszPath = CharNextA(lpszPath);
2076 /*************************************************************************
2077 * PathIsFileSpecW [SHLWAPI.@]
2079 * See PathIsFileSpecA.
2081 BOOL WINAPI PathIsFileSpecW(LPCWSTR lpszPath)
2083 TRACE("(%s)\n", debugstr_w(lpszPath));
2090 if (*lpszPath == '\\' || *lpszPath == ':')
2097 /*************************************************************************
2098 * PathIsPrefixA [SHLWAPI.@]
2100 * Determine if a path is a prefix of another.
2103 * lpszPrefix [I] Prefix
2104 * lpszPath [I] Path to check
2107 * TRUE If lpszPath has lpszPrefix as its prefix,
2108 * FALSE If either path is NULL or lpszPrefix is not a prefix
2110 BOOL WINAPI PathIsPrefixA (LPCSTR lpszPrefix, LPCSTR lpszPath)
2112 TRACE("(%s,%s)\n", debugstr_a(lpszPrefix), debugstr_a(lpszPath));
2114 if (lpszPrefix && lpszPath &&
2115 PathCommonPrefixA(lpszPath, lpszPrefix, NULL) == (int)strlen(lpszPrefix))
2120 /*************************************************************************
2121 * PathIsPrefixW [SHLWAPI.@]
2123 * See PathIsPrefixA.
2125 BOOL WINAPI PathIsPrefixW(LPCWSTR lpszPrefix, LPCWSTR lpszPath)
2127 TRACE("(%s,%s)\n", debugstr_w(lpszPrefix), debugstr_w(lpszPath));
2129 if (lpszPrefix && lpszPath &&
2130 PathCommonPrefixW(lpszPath, lpszPrefix, NULL) == (int)strlenW(lpszPrefix))
2135 /*************************************************************************
2136 * PathIsSystemFolderA [SHLWAPI.@]
2138 * Determine if a path or file attributes are a system folder.
2141 * lpszPath [I] Path to check.
2142 * dwAttrib [I] Attributes to check, if lpszPath is NULL.
2145 * TRUE If lpszPath or dwAttrib are a system folder.
2146 * FALSE If GetFileAttributesA() fails or neither parameter is a system folder.
2148 BOOL WINAPI PathIsSystemFolderA(LPCSTR lpszPath, DWORD dwAttrib)
2150 TRACE("(%s,0x%08x)\n", debugstr_a(lpszPath), dwAttrib);
2152 if (lpszPath && *lpszPath)
2153 dwAttrib = GetFileAttributesA(lpszPath);
2155 if (dwAttrib == INVALID_FILE_ATTRIBUTES || !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY) ||
2156 !(dwAttrib & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)))
2161 /*************************************************************************
2162 * PathIsSystemFolderW [SHLWAPI.@]
2164 * See PathIsSystemFolderA.
2166 BOOL WINAPI PathIsSystemFolderW(LPCWSTR lpszPath, DWORD dwAttrib)
2168 TRACE("(%s,0x%08x)\n", debugstr_w(lpszPath), dwAttrib);
2170 if (lpszPath && *lpszPath)
2171 dwAttrib = GetFileAttributesW(lpszPath);
2173 if (dwAttrib == INVALID_FILE_ATTRIBUTES || !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY) ||
2174 !(dwAttrib & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)))
2179 /*************************************************************************
2180 * PathIsUNCA [SHLWAPI.@]
2182 * Determine if a path is in UNC format.
2185 * lpszPath [I] Path to check
2188 * TRUE: The path is UNC.
2189 * FALSE: The path is not UNC or is NULL.
2191 BOOL WINAPI PathIsUNCA(LPCSTR lpszPath)
2193 TRACE("(%s)\n",debugstr_a(lpszPath));
2195 if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
2200 /*************************************************************************
2201 * PathIsUNCW [SHLWAPI.@]
2205 BOOL WINAPI PathIsUNCW(LPCWSTR lpszPath)
2207 TRACE("(%s)\n",debugstr_w(lpszPath));
2209 if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
2214 /*************************************************************************
2215 * PathIsUNCServerA [SHLWAPI.@]
2217 * Determine if a path is a UNC server name ("\\SHARENAME").
2220 * lpszPath [I] Path to check.
2223 * TRUE If lpszPath is a valid UNC server name.
2227 * This routine is bug compatible with Win32: Server names with a
2228 * trailing backslash (e.g. "\\FOO\"), return FALSE incorrectly.
2229 * Fixing this bug may break other shlwapi functions!
2231 BOOL WINAPI PathIsUNCServerA(LPCSTR lpszPath)
2233 TRACE("(%s)\n", debugstr_a(lpszPath));
2235 if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
2239 if (*lpszPath == '\\')
2241 lpszPath = CharNextA(lpszPath);
2248 /*************************************************************************
2249 * PathIsUNCServerW [SHLWAPI.@]
2251 * See PathIsUNCServerA.
2253 BOOL WINAPI PathIsUNCServerW(LPCWSTR lpszPath)
2255 TRACE("(%s)\n", debugstr_w(lpszPath));
2257 if (lpszPath && lpszPath[0] == '\\' && lpszPath[1] == '\\')
2259 return !strchrW( lpszPath + 2, '\\' );
2264 /*************************************************************************
2265 * PathIsUNCServerShareA [SHLWAPI.@]
2267 * Determine if a path is a UNC server share ("\\SHARENAME\SHARE").
2270 * lpszPath [I] Path to check.
2273 * TRUE If lpszPath is a valid UNC server share.
2277 * This routine is bug compatible with Win32: Server shares with a
2278 * trailing backslash (e.g. "\\FOO\BAR\"), return FALSE incorrectly.
2279 * Fixing this bug may break other shlwapi functions!
2281 BOOL WINAPI PathIsUNCServerShareA(LPCSTR lpszPath)
2283 TRACE("(%s)\n", debugstr_a(lpszPath));
2285 if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
2287 BOOL bSeenSlash = FALSE;
2290 if (*lpszPath == '\\')
2296 lpszPath = CharNextA(lpszPath);
2303 /*************************************************************************
2304 * PathIsUNCServerShareW [SHLWAPI.@]
2306 * See PathIsUNCServerShareA.
2308 BOOL WINAPI PathIsUNCServerShareW(LPCWSTR lpszPath)
2310 TRACE("(%s)\n", debugstr_w(lpszPath));
2312 if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
2314 BOOL bSeenSlash = FALSE;
2317 if (*lpszPath == '\\')
2330 /*************************************************************************
2331 * PathCanonicalizeA [SHLWAPI.@]
2333 * Convert a path to its canonical form.
2336 * lpszBuf [O] Output path
2337 * lpszPath [I] Path to canonicalize
2340 * Success: TRUE. lpszBuf contains the output path,
2341 * Failure: FALSE, If input path is invalid. lpszBuf is undefined
2343 BOOL WINAPI PathCanonicalizeA(LPSTR lpszBuf, LPCSTR lpszPath)
2347 TRACE("(%p,%s)\n", lpszBuf, debugstr_a(lpszPath));
2352 if (!lpszBuf || !lpszPath)
2353 SetLastError(ERROR_INVALID_PARAMETER);
2356 WCHAR szPath[MAX_PATH];
2357 WCHAR szBuff[MAX_PATH];
2358 int ret = MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
2361 WARN("Failed to convert string to widechar (too long?), LE %d.\n", GetLastError());
2364 bRet = PathCanonicalizeW(szBuff, szPath);
2365 WideCharToMultiByte(CP_ACP,0,szBuff,-1,lpszBuf,MAX_PATH,0,0);
2371 /*************************************************************************
2372 * PathCanonicalizeW [SHLWAPI.@]
2374 * See PathCanonicalizeA.
2376 BOOL WINAPI PathCanonicalizeW(LPWSTR lpszBuf, LPCWSTR lpszPath)
2378 LPWSTR lpszDst = lpszBuf;
2379 LPCWSTR lpszSrc = lpszPath;
2381 TRACE("(%p,%s)\n", lpszBuf, debugstr_w(lpszPath));
2386 if (!lpszBuf || !lpszPath)
2388 SetLastError(ERROR_INVALID_PARAMETER);
2399 /* Copy path root */
2400 if (*lpszSrc == '\\')
2402 *lpszDst++ = *lpszSrc++;
2404 else if (*lpszSrc && lpszSrc[1] == ':')
2407 *lpszDst++ = *lpszSrc++;
2408 *lpszDst++ = *lpszSrc++;
2409 if (*lpszSrc == '\\')
2410 *lpszDst++ = *lpszSrc++;
2413 /* Canonicalize the rest of the path */
2416 if (*lpszSrc == '.')
2418 if (lpszSrc[1] == '\\' && (lpszSrc == lpszPath || lpszSrc[-1] == '\\' || lpszSrc[-1] == ':'))
2420 lpszSrc += 2; /* Skip .\ */
2422 else if (lpszSrc[1] == '.' && (lpszDst == lpszBuf || lpszDst[-1] == '\\'))
2424 /* \.. backs up a directory, over the root if it has no \ following X:.
2425 * .. is ignored if it would remove a UNC server name or initial \\
2427 if (lpszDst != lpszBuf)
2429 *lpszDst = '\0'; /* Allow PathIsUNCServerShareA test on lpszBuf */
2430 if (lpszDst > lpszBuf+1 && lpszDst[-1] == '\\' &&
2431 (lpszDst[-2] != '\\' || lpszDst > lpszBuf+2))
2433 if (lpszDst[-2] == ':' && (lpszDst > lpszBuf+3 || lpszDst[-3] == ':'))
2436 while (lpszDst > lpszBuf && *lpszDst != '\\')
2438 if (*lpszDst == '\\')
2439 lpszDst++; /* Reset to last '\' */
2441 lpszDst = lpszBuf; /* Start path again from new root */
2443 else if (lpszDst[-2] != ':' && !PathIsUNCServerShareW(lpszBuf))
2446 while (lpszDst > lpszBuf && *lpszDst != '\\')
2448 if (lpszDst == lpszBuf)
2454 lpszSrc += 2; /* Skip .. in src path */
2457 *lpszDst++ = *lpszSrc++;
2460 *lpszDst++ = *lpszSrc++;
2462 /* Append \ to naked drive specs */
2463 if (lpszDst - lpszBuf == 2 && lpszDst[-1] == ':')
2469 /*************************************************************************
2470 * PathFindNextComponentA [SHLWAPI.@]
2472 * Find the next component in a path.
2475 * lpszPath [I] Path to find next component in
2478 * Success: A pointer to the next component, or the end of the string.
2479 * Failure: NULL, If lpszPath is invalid
2482 * A 'component' is either a backslash character (\) or UNC marker (\\).
2483 * Because of this, relative paths (e.g "c:foo") are regarded as having
2484 * only one component.
2486 LPSTR WINAPI PathFindNextComponentA(LPCSTR lpszPath)
2490 TRACE("(%s)\n", debugstr_a(lpszPath));
2492 if(!lpszPath || !*lpszPath)
2495 if ((lpszSlash = StrChrA(lpszPath, '\\')))
2497 if (lpszSlash[1] == '\\')
2499 return lpszSlash + 1;
2501 return (LPSTR)lpszPath + strlen(lpszPath);
2504 /*************************************************************************
2505 * PathFindNextComponentW [SHLWAPI.@]
2507 * See PathFindNextComponentA.
2509 LPWSTR WINAPI PathFindNextComponentW(LPCWSTR lpszPath)
2513 TRACE("(%s)\n", debugstr_w(lpszPath));
2515 if(!lpszPath || !*lpszPath)
2518 if ((lpszSlash = StrChrW(lpszPath, '\\')))
2520 if (lpszSlash[1] == '\\')
2522 return lpszSlash + 1;
2524 return (LPWSTR)lpszPath + strlenW(lpszPath);
2527 /*************************************************************************
2528 * PathAddExtensionA [SHLWAPI.@]
2530 * Add a file extension to a path
2533 * lpszPath [I/O] Path to add extension to
2534 * lpszExtension [I] Extension to add to lpszPath
2537 * TRUE If the path was modified,
2538 * FALSE If lpszPath or lpszExtension are invalid, lpszPath has an
2539 * extension already, or the new path length is too big.
2542 * What version of shlwapi.dll adds "exe" if lpszExtension is NULL? Win2k
2543 * does not do this, so the behaviour was removed.
2545 BOOL WINAPI PathAddExtensionA(LPSTR lpszPath, LPCSTR lpszExtension)
2549 TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszExtension));
2551 if (!lpszPath || !lpszExtension || *(PathFindExtensionA(lpszPath)))
2554 dwLen = strlen(lpszPath);
2556 if (dwLen + strlen(lpszExtension) >= MAX_PATH)
2559 strcpy(lpszPath + dwLen, lpszExtension);
2563 /*************************************************************************
2564 * PathAddExtensionW [SHLWAPI.@]
2566 * See PathAddExtensionA.
2568 BOOL WINAPI PathAddExtensionW(LPWSTR lpszPath, LPCWSTR lpszExtension)
2572 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszExtension));
2574 if (!lpszPath || !lpszExtension || *(PathFindExtensionW(lpszPath)))
2577 dwLen = strlenW(lpszPath);
2579 if (dwLen + strlenW(lpszExtension) >= MAX_PATH)
2582 strcpyW(lpszPath + dwLen, lpszExtension);
2586 /*************************************************************************
2587 * PathMakePrettyA [SHLWAPI.@]
2589 * Convert an uppercase DOS filename into lowercase.
2592 * lpszPath [I/O] Path to convert.
2595 * TRUE If the path was an uppercase DOS path and was converted,
2598 BOOL WINAPI PathMakePrettyA(LPSTR lpszPath)
2600 LPSTR pszIter = lpszPath;
2602 TRACE("(%s)\n", debugstr_a(lpszPath));
2611 if (islower(*pszIter) || IsDBCSLeadByte(*pszIter))
2612 return FALSE; /* Not DOS path */
2615 pszIter = lpszPath + 1;
2618 *pszIter = tolower(*pszIter);
2625 /*************************************************************************
2626 * PathMakePrettyW [SHLWAPI.@]
2628 * See PathMakePrettyA.
2630 BOOL WINAPI PathMakePrettyW(LPWSTR lpszPath)
2632 LPWSTR pszIter = lpszPath;
2634 TRACE("(%s)\n", debugstr_w(lpszPath));
2643 if (islowerW(*pszIter))
2644 return FALSE; /* Not DOS path */
2647 pszIter = lpszPath + 1;
2650 *pszIter = tolowerW(*pszIter);
2657 /*************************************************************************
2658 * PathCommonPrefixA [SHLWAPI.@]
2660 * Determine the length of the common prefix between two paths.
2663 * lpszFile1 [I] First path for comparison
2664 * lpszFile2 [I] Second path for comparison
2665 * achPath [O] Destination for common prefix string
2668 * The length of the common prefix. This is 0 if there is no common
2669 * prefix between the paths or if any parameters are invalid. If the prefix
2670 * is non-zero and achPath is not NULL, achPath is filled with the common
2671 * part of the prefix and NUL terminated.
2674 * A common prefix of 2 is always returned as 3. It is thus possible for
2675 * the length returned to be invalid (i.e. Longer than one or both of the
2676 * strings given as parameters). This Win32 behaviour has been implemented
2677 * here, and cannot be changed (fixed?) without breaking other SHLWAPI calls.
2678 * To work around this when using this function, always check that the byte
2679 * at [common_prefix_len-1] is not a NUL. If it is, deduct 1 from the prefix.
2681 int WINAPI PathCommonPrefixA(LPCSTR lpszFile1, LPCSTR lpszFile2, LPSTR achPath)
2684 LPCSTR lpszIter1 = lpszFile1;
2685 LPCSTR lpszIter2 = lpszFile2;
2687 TRACE("(%s,%s,%p)\n", debugstr_a(lpszFile1), debugstr_a(lpszFile2), achPath);
2692 if (!lpszFile1 || !lpszFile2)
2695 /* Handle roots first */
2696 if (PathIsUNCA(lpszFile1))
2698 if (!PathIsUNCA(lpszFile2))
2703 else if (PathIsUNCA(lpszFile2))
2704 return 0; /* Know already lpszFile1 is not UNC */
2709 if ((!*lpszIter1 || *lpszIter1 == '\\') &&
2710 (!*lpszIter2 || *lpszIter2 == '\\'))
2711 iLen = lpszIter1 - lpszFile1; /* Common to this point */
2713 if (!*lpszIter1 || (tolower(*lpszIter1) != tolower(*lpszIter2)))
2714 break; /* Strings differ at this point */
2721 iLen++; /* Feature/Bug compatible with Win32 */
2723 if (iLen && achPath)
2725 memcpy(achPath,lpszFile1,iLen);
2726 achPath[iLen] = '\0';
2731 /*************************************************************************
2732 * PathCommonPrefixW [SHLWAPI.@]
2734 * See PathCommonPrefixA.
2736 int WINAPI PathCommonPrefixW(LPCWSTR lpszFile1, LPCWSTR lpszFile2, LPWSTR achPath)
2739 LPCWSTR lpszIter1 = lpszFile1;
2740 LPCWSTR lpszIter2 = lpszFile2;
2742 TRACE("(%s,%s,%p)\n", debugstr_w(lpszFile1), debugstr_w(lpszFile2), achPath);
2747 if (!lpszFile1 || !lpszFile2)
2750 /* Handle roots first */
2751 if (PathIsUNCW(lpszFile1))
2753 if (!PathIsUNCW(lpszFile2))
2758 else if (PathIsUNCW(lpszFile2))
2759 return 0; /* Know already lpszFile1 is not UNC */
2764 if ((!*lpszIter1 || *lpszIter1 == '\\') &&
2765 (!*lpszIter2 || *lpszIter2 == '\\'))
2766 iLen = lpszIter1 - lpszFile1; /* Common to this point */
2768 if (!*lpszIter1 || (tolowerW(*lpszIter1) != tolowerW(*lpszIter2)))
2769 break; /* Strings differ at this point */
2776 iLen++; /* Feature/Bug compatible with Win32 */
2778 if (iLen && achPath)
2780 memcpy(achPath,lpszFile1,iLen * sizeof(WCHAR));
2781 achPath[iLen] = '\0';
2786 /*************************************************************************
2787 * PathCompactPathA [SHLWAPI.@]
2789 * Make a path fit into a given width when printed to a DC.
2792 * hDc [I] Destination DC
2793 * lpszPath [I/O] Path to be printed to hDc
2794 * dx [I] Desired width
2797 * TRUE If the path was modified/went well.
2800 BOOL WINAPI PathCompactPathA(HDC hDC, LPSTR lpszPath, UINT dx)
2804 TRACE("(%p,%s,%d)\n", hDC, debugstr_a(lpszPath), dx);
2808 WCHAR szPath[MAX_PATH];
2809 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
2810 bRet = PathCompactPathW(hDC, szPath, dx);
2811 WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
2816 /*************************************************************************
2817 * PathCompactPathW [SHLWAPI.@]
2819 * See PathCompactPathA.
2821 BOOL WINAPI PathCompactPathW(HDC hDC, LPWSTR lpszPath, UINT dx)
2823 static const WCHAR szEllipses[] = { '.', '.', '.', '\0' };
2826 WCHAR buff[MAX_PATH];
2830 TRACE("(%p,%s,%d)\n", hDC, debugstr_w(lpszPath), dx);
2836 hdc = hDC = GetDC(0);
2838 /* Get the length of the whole path */
2839 dwLen = strlenW(lpszPath);
2840 GetTextExtentPointW(hDC, lpszPath, dwLen, &size);
2842 if ((UINT)size.cx > dx)
2844 /* Path too big, must reduce it */
2846 DWORD dwEllipsesLen = 0, dwPathLen = 0;
2848 sFile = PathFindFileNameW(lpszPath);
2849 if (sFile != lpszPath) sFile--;
2851 /* Get the size of ellipses */
2852 GetTextExtentPointW(hDC, szEllipses, 3, &size);
2853 dwEllipsesLen = size.cx;
2854 /* Get the size of the file name */
2855 GetTextExtentPointW(hDC, sFile, strlenW(sFile), &size);
2856 dwPathLen = size.cx;
2858 if (sFile != lpszPath)
2860 LPWSTR sPath = sFile;
2861 BOOL bEllipses = FALSE;
2863 /* The path includes a file name. Include as much of the path prior to
2864 * the file name as possible, allowing for the ellipses, e.g:
2865 * c:\some very long path\filename ==> c:\some v...\filename
2867 lstrcpynW(buff, sFile, MAX_PATH);
2871 DWORD dwTotalLen = bEllipses? dwPathLen + dwEllipsesLen : dwPathLen;
2873 GetTextExtentPointW(hDC, lpszPath, sPath - lpszPath, &size);
2874 dwTotalLen += size.cx;
2875 if (dwTotalLen <= dx)
2883 } while (sPath > lpszPath);
2885 if (sPath > lpszPath)
2889 strcpyW(sPath, szEllipses);
2890 strcpyW(sPath+3, buff);
2895 strcpyW(lpszPath, szEllipses);
2896 strcpyW(lpszPath+3, buff);
2901 /* Trim the path by adding ellipses to the end, e.g:
2902 * A very long file name.txt ==> A very...
2904 dwLen = strlenW(lpszPath);
2906 if (dwLen > MAX_PATH - 3)
2907 dwLen = MAX_PATH - 3;
2908 lstrcpynW(buff, sFile, dwLen);
2912 GetTextExtentPointW(hDC, buff, dwLen, &size);
2913 } while (dwLen && size.cx + dwEllipsesLen > dx);
2917 DWORD dwWritten = 0;
2919 dwEllipsesLen /= 3; /* Size of a single '.' */
2921 /* Write as much of the Ellipses string as possible */
2922 while (dwWritten + dwEllipsesLen < dx && dwLen < 3)
2925 dwWritten += dwEllipsesLen;
2933 strcpyW(buff + dwLen, szEllipses);
2934 strcpyW(lpszPath, buff);
2945 /*************************************************************************
2946 * PathGetCharTypeA [SHLWAPI.@]
2948 * Categorise a character from a file path.
2951 * ch [I] Character to get the type of
2954 * A set of GCT_ bit flags (from "shlwapi.h") indicating the character type.
2956 UINT WINAPI PathGetCharTypeA(UCHAR ch)
2958 return PathGetCharTypeW(ch);
2961 /*************************************************************************
2962 * PathGetCharTypeW [SHLWAPI.@]
2964 * See PathGetCharTypeA.
2966 UINT WINAPI PathGetCharTypeW(WCHAR ch)
2970 TRACE("(%d)\n", ch);
2972 if (!ch || ch < ' ' || ch == '<' || ch == '>' ||
2973 ch == '"' || ch == '|' || ch == '/')
2974 flags = GCT_INVALID; /* Invalid */
2975 else if (ch == '*' || ch=='?')
2976 flags = GCT_WILD; /* Wildchars */
2977 else if ((ch == '\\') || (ch == ':'))
2978 return GCT_SEPARATOR; /* Path separators */
2983 if (((ch & 0x1) && ch != ';') || !ch || isalnum(ch) || ch == '$' || ch == '&' || ch == '(' ||
2984 ch == '.' || ch == '@' || ch == '^' ||
2985 ch == '\'' || ch == 130 || ch == '`')
2986 flags |= GCT_SHORTCHAR; /* All these are valid for DOS */
2989 flags |= GCT_SHORTCHAR; /* Bug compatible with win32 */
2990 flags |= GCT_LFNCHAR; /* Valid for long file names */
2995 /*************************************************************************
2996 * SHLWAPI_UseSystemForSystemFolders
2998 * Internal helper for PathMakeSystemFolderW.
3000 static BOOL SHLWAPI_UseSystemForSystemFolders(void)
3002 static BOOL bCheckedReg = FALSE;
3003 static BOOL bUseSystemForSystemFolders = FALSE;
3009 /* Key tells Win what file attributes to use on system folders */
3010 if (SHGetValueA(HKEY_LOCAL_MACHINE,
3011 "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer",
3012 "UseSystemForSystemFolders", 0, 0, 0))
3013 bUseSystemForSystemFolders = TRUE;
3015 return bUseSystemForSystemFolders;
3018 /*************************************************************************
3019 * PathMakeSystemFolderA [SHLWAPI.@]
3021 * Set system folder attribute for a path.
3024 * lpszPath [I] The path to turn into a system folder
3027 * TRUE If the path was changed to/already was a system folder
3028 * FALSE If the path is invalid or SetFileAttributesA() fails
3030 BOOL WINAPI PathMakeSystemFolderA(LPCSTR lpszPath)
3034 TRACE("(%s)\n", debugstr_a(lpszPath));
3036 if (lpszPath && *lpszPath)
3038 WCHAR szPath[MAX_PATH];
3039 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
3040 bRet = PathMakeSystemFolderW(szPath);
3045 /*************************************************************************
3046 * PathMakeSystemFolderW [SHLWAPI.@]
3048 * See PathMakeSystemFolderA.
3050 BOOL WINAPI PathMakeSystemFolderW(LPCWSTR lpszPath)
3052 DWORD dwDefaultAttr = FILE_ATTRIBUTE_READONLY, dwAttr;
3053 WCHAR buff[MAX_PATH];
3055 TRACE("(%s)\n", debugstr_w(lpszPath));
3057 if (!lpszPath || !*lpszPath)
3060 /* If the directory is already a system directory, don't do anything */
3061 GetSystemDirectoryW(buff, MAX_PATH);
3062 if (!strcmpW(buff, lpszPath))
3065 GetWindowsDirectoryW(buff, MAX_PATH);
3066 if (!strcmpW(buff, lpszPath))
3069 /* "UseSystemForSystemFolders" Tells Win what attributes to use */
3070 if (SHLWAPI_UseSystemForSystemFolders())
3071 dwDefaultAttr = FILE_ATTRIBUTE_SYSTEM;
3073 if ((dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES)
3076 /* Change file attributes to system attributes */
3077 dwAttr &= ~(FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_READONLY);
3078 return SetFileAttributesW(lpszPath, dwAttr | dwDefaultAttr);
3081 /*************************************************************************
3082 * PathRenameExtensionA [SHLWAPI.@]
3084 * Swap the file extension in a path with another extension.
3087 * lpszPath [I/O] Path to swap the extension in
3088 * lpszExt [I] The new extension
3091 * TRUE if lpszPath was modified,
3092 * FALSE if lpszPath or lpszExt is NULL, or the new path is too long
3094 BOOL WINAPI PathRenameExtensionA(LPSTR lpszPath, LPCSTR lpszExt)
3096 LPSTR lpszExtension;
3098 TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszExt));
3100 lpszExtension = PathFindExtensionA(lpszPath);
3102 if (!lpszExtension || (lpszExtension - lpszPath + strlen(lpszExt) >= MAX_PATH))
3105 strcpy(lpszExtension, lpszExt);
3109 /*************************************************************************
3110 * PathRenameExtensionW [SHLWAPI.@]
3112 * See PathRenameExtensionA.
3114 BOOL WINAPI PathRenameExtensionW(LPWSTR lpszPath, LPCWSTR lpszExt)
3116 LPWSTR lpszExtension;
3118 TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszExt));
3120 lpszExtension = PathFindExtensionW(lpszPath);
3122 if (!lpszExtension || (lpszExtension - lpszPath + strlenW(lpszExt) >= MAX_PATH))
3125 strcpyW(lpszExtension, lpszExt);
3129 /*************************************************************************
3130 * PathSearchAndQualifyA [SHLWAPI.@]
3132 * Determine if a given path is correct and fully qualified.
3135 * lpszPath [I] Path to check
3136 * lpszBuf [O] Output for correct path
3137 * cchBuf [I] Size of lpszBuf
3142 BOOL WINAPI PathSearchAndQualifyA(LPCSTR lpszPath, LPSTR lpszBuf, UINT cchBuf)
3144 TRACE("(%s,%p,0x%08x)\n", debugstr_a(lpszPath), lpszBuf, cchBuf);
3146 if(SearchPathA(NULL, lpszPath, NULL, cchBuf, lpszBuf, NULL))
3148 return !!GetFullPathNameA(lpszPath, cchBuf, lpszBuf, NULL);
3151 /*************************************************************************
3152 * PathSearchAndQualifyW [SHLWAPI.@]
3154 * See PathSearchAndQualifyA.
3156 BOOL WINAPI PathSearchAndQualifyW(LPCWSTR lpszPath, LPWSTR lpszBuf, UINT cchBuf)
3158 TRACE("(%s,%p,0x%08x)\n", debugstr_w(lpszPath), lpszBuf, cchBuf);
3160 if(SearchPathW(NULL, lpszPath, NULL, cchBuf, lpszBuf, NULL))
3162 return !!GetFullPathNameW(lpszPath, cchBuf, lpszBuf, NULL);
3165 /*************************************************************************
3166 * PathSkipRootA [SHLWAPI.@]
3168 * Return the portion of a path following the drive letter or mount point.
3171 * lpszPath [I] The path to skip on
3174 * Success: A pointer to the next character after the root.
3175 * Failure: NULL, if lpszPath is invalid, has no root or is a multibyte string.
3177 LPSTR WINAPI PathSkipRootA(LPCSTR lpszPath)
3179 TRACE("(%s)\n", debugstr_a(lpszPath));
3181 if (!lpszPath || !*lpszPath)
3184 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3186 /* Network share: skip share server and mount point */
3188 if ((lpszPath = StrChrA(lpszPath, '\\')) &&
3189 (lpszPath = StrChrA(lpszPath + 1, '\\')))
3191 return (LPSTR)lpszPath;
3194 if (IsDBCSLeadByte(*lpszPath))
3198 if (lpszPath[0] && lpszPath[1] == ':' && lpszPath[2] == '\\')
3199 return (LPSTR)lpszPath + 3;
3203 /*************************************************************************
3204 * PathSkipRootW [SHLWAPI.@]
3206 * See PathSkipRootA.
3208 LPWSTR WINAPI PathSkipRootW(LPCWSTR lpszPath)
3210 TRACE("(%s)\n", debugstr_w(lpszPath));
3212 if (!lpszPath || !*lpszPath)
3215 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3217 /* Network share: skip share server and mount point */
3219 if ((lpszPath = StrChrW(lpszPath, '\\')) &&
3220 (lpszPath = StrChrW(lpszPath + 1, '\\')))
3222 return (LPWSTR)lpszPath;
3226 if (lpszPath[0] && lpszPath[1] == ':' && lpszPath[2] == '\\')
3227 return (LPWSTR)lpszPath + 3;
3231 /*************************************************************************
3232 * PathCreateFromUrlA [SHLWAPI.@]
3234 * See PathCreateFromUrlW
3236 HRESULT WINAPI PathCreateFromUrlA(LPCSTR pszUrl, LPSTR pszPath,
3237 LPDWORD pcchPath, DWORD dwReserved)
3239 WCHAR bufW[MAX_PATH];
3240 WCHAR *pathW = bufW;
3241 UNICODE_STRING urlW;
3243 DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
3245 if(!RtlCreateUnicodeStringFromAsciiz(&urlW, pszUrl))
3246 return E_INVALIDARG;
3247 if((ret = PathCreateFromUrlW(urlW.Buffer, pathW, &lenW, dwReserved)) == E_POINTER) {
3248 pathW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
3249 ret = PathCreateFromUrlW(urlW.Buffer, pathW, &lenW, dwReserved);
3252 RtlUnicodeToMultiByteSize(&lenA, pathW, lenW * sizeof(WCHAR));
3253 if(*pcchPath > lenA) {
3254 RtlUnicodeToMultiByteN(pszPath, *pcchPath - 1, &lenA, pathW, lenW * sizeof(WCHAR));
3258 *pcchPath = lenA + 1;
3262 if(pathW != bufW) HeapFree(GetProcessHeap(), 0, pathW);
3263 RtlFreeUnicodeString(&urlW);
3267 /*************************************************************************
3268 * PathCreateFromUrlW [SHLWAPI.@]
3270 * Create a path from a URL
3273 * lpszUrl [I] URL to convert into a path
3274 * lpszPath [O] Output buffer for the resulting Path
3275 * pcchPath [I] Length of lpszPath
3276 * dwFlags [I] Flags controlling the conversion
3279 * Success: S_OK. lpszPath contains the URL in path format,
3280 * Failure: An HRESULT error code such as E_INVALIDARG.
3282 HRESULT WINAPI PathCreateFromUrlW(LPCWSTR pszUrl, LPWSTR pszPath,
3283 LPDWORD pcchPath, DWORD dwReserved)
3285 static const WCHAR file_colon[] = { 'f','i','l','e',':',0 };
3290 TRACE("(%s,%p,%p,0x%08x)\n", debugstr_w(pszUrl), pszPath, pcchPath, dwReserved);
3292 if (!pszUrl || !pszPath || !pcchPath || !*pcchPath)
3293 return E_INVALIDARG;
3296 if (strncmpW(pszUrl, file_colon, 5))
3297 return E_INVALIDARG;
3300 while(*pszUrl == '/' || *pszUrl == '\\') {
3305 if(isalphaW(*pszUrl) && (pszUrl[1] == ':' || pszUrl[1] == '|') && (pszUrl[2] == '/' || pszUrl[2] == '\\'))
3319 hr = UrlUnescapeW((LPWSTR)pszUrl, pszPath, pcchPath, 0);
3320 if(hr != S_OK) return hr;
3322 for(ptr = pszPath; *ptr; ptr++)
3323 if(*ptr == '/') *ptr = '\\';
3325 while(*pszPath == '\\')
3328 if(isalphaW(*pszPath) && pszPath[1] == '|' && pszPath[2] == '\\') /* c|\ -> c:\ */
3331 if(nslashes == 2 && (ptr = strchrW(pszPath, '\\'))) { /* \\host\c:\ -> \\hostc:\ */
3333 if(isalphaW(*ptr) && (ptr[1] == ':' || ptr[1] == '|') && ptr[2] == '\\') {
3334 memmove(ptr - 1, ptr, (strlenW(ptr) + 1) * sizeof(WCHAR));
3339 TRACE("Returning %s\n",debugstr_w(pszPath));
3344 /*************************************************************************
3345 * PathRelativePathToA [SHLWAPI.@]
3347 * Create a relative path from one path to another.
3350 * lpszPath [O] Destination for relative path
3351 * lpszFrom [I] Source path
3352 * dwAttrFrom [I] File attribute of source path
3353 * lpszTo [I] Destination path
3354 * dwAttrTo [I] File attributes of destination path
3357 * TRUE If a relative path can be formed. lpszPath contains the new path
3358 * FALSE If the paths are not relative or any parameters are invalid
3361 * lpszTo should be at least MAX_PATH in length.
3363 * Calling this function with relative paths for lpszFrom or lpszTo may
3364 * give erroneous results.
3366 * The Win32 version of this function contains a bug where the lpszTo string
3367 * may be referenced 1 byte beyond the end of the string. As a result random
3368 * garbage may be written to the output path, depending on what lies beyond
3369 * the last byte of the string. This bug occurs because of the behaviour of
3370 * PathCommonPrefix() (see notes for that function), and no workaround seems
3371 * possible with Win32.
3373 * This bug has been fixed here, so for example the relative path from "\\"
3374 * to "\\" is correctly determined as "." in this implementation.
3376 BOOL WINAPI PathRelativePathToA(LPSTR lpszPath, LPCSTR lpszFrom, DWORD dwAttrFrom,
3377 LPCSTR lpszTo, DWORD dwAttrTo)
3381 TRACE("(%p,%s,0x%08x,%s,0x%08x)\n", lpszPath, debugstr_a(lpszFrom),
3382 dwAttrFrom, debugstr_a(lpszTo), dwAttrTo);
3384 if(lpszPath && lpszFrom && lpszTo)
3386 WCHAR szPath[MAX_PATH];
3387 WCHAR szFrom[MAX_PATH];
3388 WCHAR szTo[MAX_PATH];
3389 MultiByteToWideChar(CP_ACP,0,lpszFrom,-1,szFrom,MAX_PATH);
3390 MultiByteToWideChar(CP_ACP,0,lpszTo,-1,szTo,MAX_PATH);
3391 bRet = PathRelativePathToW(szPath,szFrom,dwAttrFrom,szTo,dwAttrTo);
3392 WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
3397 /*************************************************************************
3398 * PathRelativePathToW [SHLWAPI.@]
3400 * See PathRelativePathToA.
3402 BOOL WINAPI PathRelativePathToW(LPWSTR lpszPath, LPCWSTR lpszFrom, DWORD dwAttrFrom,
3403 LPCWSTR lpszTo, DWORD dwAttrTo)
3405 static const WCHAR szPrevDirSlash[] = { '.', '.', '\\', '\0' };
3406 static const WCHAR szPrevDir[] = { '.', '.', '\0' };
3407 WCHAR szFrom[MAX_PATH];
3408 WCHAR szTo[MAX_PATH];
3411 TRACE("(%p,%s,0x%08x,%s,0x%08x)\n", lpszPath, debugstr_w(lpszFrom),
3412 dwAttrFrom, debugstr_w(lpszTo), dwAttrTo);
3414 if(!lpszPath || !lpszFrom || !lpszTo)
3418 lstrcpynW(szFrom, lpszFrom, MAX_PATH);
3419 lstrcpynW(szTo, lpszTo, MAX_PATH);
3421 if(!(dwAttrFrom & FILE_ATTRIBUTE_DIRECTORY))
3422 PathRemoveFileSpecW(szFrom);
3423 if(!(dwAttrFrom & FILE_ATTRIBUTE_DIRECTORY))
3424 PathRemoveFileSpecW(szTo);
3426 /* Paths can only be relative if they have a common root */
3427 if(!(dwLen = PathCommonPrefixW(szFrom, szTo, 0)))
3430 /* Strip off lpszFrom components to the root, by adding "..\" */
3431 lpszFrom = szFrom + dwLen;
3437 if (*lpszFrom == '\\')
3442 lpszFrom = PathFindNextComponentW(lpszFrom);
3443 strcatW(lpszPath, *lpszFrom ? szPrevDirSlash : szPrevDir);
3446 /* From the root add the components of lpszTo */
3448 /* We check lpszTo[-1] to avoid skipping end of string. See the notes for
3451 if (*lpszTo && lpszTo[-1])
3453 if (*lpszTo != '\\')
3455 dwLen = strlenW(lpszPath);
3456 if (dwLen + strlenW(lpszTo) >= MAX_PATH)
3461 strcpyW(lpszPath + dwLen, lpszTo);
3466 /*************************************************************************
3467 * PathUnmakeSystemFolderA [SHLWAPI.@]
3469 * Remove the system folder attributes from a path.
3472 * lpszPath [I] The path to remove attributes from
3476 * Failure: FALSE, if lpszPath is NULL, empty, not a directory, or calling
3477 * SetFileAttributesA() fails.
3479 BOOL WINAPI PathUnmakeSystemFolderA(LPCSTR lpszPath)
3483 TRACE("(%s)\n", debugstr_a(lpszPath));
3485 if (!lpszPath || !*lpszPath || (dwAttr = GetFileAttributesA(lpszPath)) == INVALID_FILE_ATTRIBUTES ||
3486 !(dwAttr & FILE_ATTRIBUTE_DIRECTORY))
3489 dwAttr &= ~(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
3490 return SetFileAttributesA(lpszPath, dwAttr);
3493 /*************************************************************************
3494 * PathUnmakeSystemFolderW [SHLWAPI.@]
3496 * See PathUnmakeSystemFolderA.
3498 BOOL WINAPI PathUnmakeSystemFolderW(LPCWSTR lpszPath)
3502 TRACE("(%s)\n", debugstr_w(lpszPath));
3504 if (!lpszPath || !*lpszPath || (dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES ||
3505 !(dwAttr & FILE_ATTRIBUTE_DIRECTORY))
3508 dwAttr &= ~(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
3509 return SetFileAttributesW(lpszPath, dwAttr);
3513 /*************************************************************************
3514 * PathSetDlgItemPathA [SHLWAPI.@]
3516 * Set the text of a dialog item to a path, shrinking the path to fit
3517 * if it is too big for the item.
3520 * hDlg [I] Dialog handle
3521 * id [I] ID of item in the dialog
3522 * lpszPath [I] Path to set as the items text
3528 * If lpszPath is NULL, a blank string ("") is set (i.e. The previous
3529 * window text is erased).
3531 VOID WINAPI PathSetDlgItemPathA(HWND hDlg, int id, LPCSTR lpszPath)
3533 WCHAR szPath[MAX_PATH];
3535 TRACE("(%p,%8x,%s)\n",hDlg, id, debugstr_a(lpszPath));
3538 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
3541 PathSetDlgItemPathW(hDlg, id, szPath);
3544 /*************************************************************************
3545 * PathSetDlgItemPathW [SHLWAPI.@]
3547 * See PathSetDlgItemPathA.
3549 VOID WINAPI PathSetDlgItemPathW(HWND hDlg, int id, LPCWSTR lpszPath)
3551 WCHAR path[MAX_PATH + 1];
3557 TRACE("(%p,%8x,%s)\n",hDlg, id, debugstr_w(lpszPath));
3559 if (!(hwItem = GetDlgItem(hDlg, id)))
3563 lstrcpynW(path, lpszPath, sizeof(path) / sizeof(WCHAR));
3567 GetClientRect(hwItem, &rect);
3569 hPrevObj = SelectObject(hdc, (HGDIOBJ)SendMessageW(hwItem,WM_GETFONT,0,0));
3573 PathCompactPathW(hdc, path, rect.right);
3574 SelectObject(hdc, hPrevObj);
3577 ReleaseDC(hDlg, hdc);
3578 SetWindowTextW(hwItem, path);
3581 /*************************************************************************
3582 * PathIsNetworkPathA [SHLWAPI.@]
3584 * Determine if the given path is a network path.
3587 * lpszPath [I] Path to check
3590 * TRUE If lpszPath is a UNC share or mapped network drive, or
3591 * FALSE If lpszPath is a local drive or cannot be determined
3593 BOOL WINAPI PathIsNetworkPathA(LPCSTR lpszPath)
3597 TRACE("(%s)\n",debugstr_a(lpszPath));
3601 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3603 dwDriveNum = PathGetDriveNumberA(lpszPath);
3604 if (dwDriveNum == -1)
3606 GET_FUNC(pIsNetDrive, shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
3607 return pIsNetDrive(dwDriveNum);
3610 /*************************************************************************
3611 * PathIsNetworkPathW [SHLWAPI.@]
3613 * See PathIsNetworkPathA.
3615 BOOL WINAPI PathIsNetworkPathW(LPCWSTR lpszPath)
3619 TRACE("(%s)\n", debugstr_w(lpszPath));
3623 if (*lpszPath == '\\' && lpszPath[1] == '\\')
3625 dwDriveNum = PathGetDriveNumberW(lpszPath);
3626 if (dwDriveNum == -1)
3628 GET_FUNC(pIsNetDrive, shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
3629 return pIsNetDrive(dwDriveNum);
3632 /*************************************************************************
3633 * PathIsLFNFileSpecA [SHLWAPI.@]
3635 * Determine if the given path is a long file name
3638 * lpszPath [I] Path to check
3641 * TRUE If path is a long file name,
3642 * FALSE If path is a valid DOS short file name
3644 BOOL WINAPI PathIsLFNFileSpecA(LPCSTR lpszPath)
3646 DWORD dwNameLen = 0, dwExtLen = 0;
3648 TRACE("(%s)\n",debugstr_a(lpszPath));
3655 if (*lpszPath == ' ')
3656 return TRUE; /* DOS names cannot have spaces */
3657 if (*lpszPath == '.')
3660 return TRUE; /* DOS names have only one dot */
3667 return TRUE; /* DOS extensions are <= 3 chars*/
3673 return TRUE; /* DOS names are <= 8 chars */
3675 lpszPath += IsDBCSLeadByte(*lpszPath) ? 2 : 1;
3677 return FALSE; /* Valid DOS path */
3680 /*************************************************************************
3681 * PathIsLFNFileSpecW [SHLWAPI.@]
3683 * See PathIsLFNFileSpecA.
3685 BOOL WINAPI PathIsLFNFileSpecW(LPCWSTR lpszPath)
3687 DWORD dwNameLen = 0, dwExtLen = 0;
3689 TRACE("(%s)\n",debugstr_w(lpszPath));
3696 if (*lpszPath == ' ')
3697 return TRUE; /* DOS names cannot have spaces */
3698 if (*lpszPath == '.')
3701 return TRUE; /* DOS names have only one dot */
3708 return TRUE; /* DOS extensions are <= 3 chars*/
3714 return TRUE; /* DOS names are <= 8 chars */
3718 return FALSE; /* Valid DOS path */
3721 /*************************************************************************
3722 * PathIsDirectoryEmptyA [SHLWAPI.@]
3724 * Determine if a given directory is empty.
3727 * lpszPath [I] Directory to check
3730 * TRUE If the directory exists and contains no files,
3733 BOOL WINAPI PathIsDirectoryEmptyA(LPCSTR lpszPath)
3737 TRACE("(%s)\n",debugstr_a(lpszPath));
3741 WCHAR szPath[MAX_PATH];
3742 MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
3743 bRet = PathIsDirectoryEmptyW(szPath);
3748 /*************************************************************************
3749 * PathIsDirectoryEmptyW [SHLWAPI.@]
3751 * See PathIsDirectoryEmptyA.
3753 BOOL WINAPI PathIsDirectoryEmptyW(LPCWSTR lpszPath)
3755 static const WCHAR szAllFiles[] = { '*', '.', '*', '\0' };
3756 WCHAR szSearch[MAX_PATH];
3759 BOOL retVal = FALSE;
3760 WIN32_FIND_DATAW find_data;
3762 TRACE("(%s)\n",debugstr_w(lpszPath));
3764 if (!lpszPath || !PathIsDirectoryW(lpszPath))
3767 lstrcpynW(szSearch, lpszPath, MAX_PATH);
3768 PathAddBackslashW(szSearch);
3769 dwLen = strlenW(szSearch);
3770 if (dwLen > MAX_PATH - 4)
3773 strcpyW(szSearch + dwLen, szAllFiles);
3774 hfind = FindFirstFileW(szSearch, &find_data);
3776 if (hfind != INVALID_HANDLE_VALUE &&
3777 find_data.cFileName[0] == '.' &&
3778 find_data.cFileName[1] == '.')
3780 /* The only directory entry should be the parent */
3781 if (!FindNextFileW(hfind, &find_data))
3789 /*************************************************************************
3790 * PathFindSuffixArrayA [SHLWAPI.@]
3792 * Find a suffix string in an array of suffix strings
3795 * lpszSuffix [I] Suffix string to search for
3796 * lppszArray [I] Array of suffix strings to search
3797 * dwCount [I] Number of elements in lppszArray
3800 * Success: The index of the position of lpszSuffix in lppszArray
3801 * Failure: 0, if any parameters are invalid or lpszSuffix is not found
3804 * The search is case sensitive.
3805 * The match is made against the end of the suffix string, so for example:
3806 * lpszSuffix="fooBAR" matches "BAR", but lpszSuffix="fooBARfoo" does not.
3808 LPCSTR WINAPI PathFindSuffixArrayA(LPCSTR lpszSuffix, LPCSTR *lppszArray, int dwCount)
3813 TRACE("(%s,%p,%d)\n",debugstr_a(lpszSuffix), lppszArray, dwCount);
3815 if (lpszSuffix && lppszArray && dwCount > 0)
3817 dwLen = strlen(lpszSuffix);
3819 while (dwRet < dwCount)
3821 size_t dwCompareLen = strlen(*lppszArray);
3822 if (dwCompareLen < dwLen)
3824 if (!strcmp(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
3825 return *lppszArray; /* Found */
3834 /*************************************************************************
3835 * PathFindSuffixArrayW [SHLWAPI.@]
3837 * See PathFindSuffixArrayA.
3839 LPCWSTR WINAPI PathFindSuffixArrayW(LPCWSTR lpszSuffix, LPCWSTR *lppszArray, int dwCount)
3844 TRACE("(%s,%p,%d)\n",debugstr_w(lpszSuffix), lppszArray, dwCount);
3846 if (lpszSuffix && lppszArray && dwCount > 0)
3848 dwLen = strlenW(lpszSuffix);
3850 while (dwRet < dwCount)
3852 size_t dwCompareLen = strlenW(*lppszArray);
3853 if (dwCompareLen < dwLen)
3855 if (!strcmpW(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
3856 return *lppszArray; /* Found */
3865 /*************************************************************************
3866 * PathUndecorateA [SHLWAPI.@]
3868 * Undecorate a file path
3871 * lpszPath [I/O] Path to remove any decoration from
3877 * A decorations form is "path[n].ext" where "n" is an optional decimal number.
3879 VOID WINAPI PathUndecorateA(LPSTR lpszPath)
3881 TRACE("(%s)\n",debugstr_a(lpszPath));
3885 LPSTR lpszExt = PathFindExtensionA(lpszPath);
3886 if (lpszExt > lpszPath && lpszExt[-1] == ']')
3888 LPSTR lpszSkip = lpszExt - 2;
3889 if (*lpszSkip == '[')
3890 lpszSkip++; /* [] (no number) */
3892 while (lpszSkip > lpszPath && isdigit(lpszSkip[-1]))
3894 if (lpszSkip > lpszPath && lpszSkip[-1] == '[' && lpszSkip[-2] != '\\')
3896 /* remove the [n] */
3899 *lpszSkip++ = *lpszExt++;
3906 /*************************************************************************
3907 * PathUndecorateW [SHLWAPI.@]
3909 * See PathUndecorateA.
3911 VOID WINAPI PathUndecorateW(LPWSTR lpszPath)
3913 TRACE("(%s)\n",debugstr_w(lpszPath));
3917 LPWSTR lpszExt = PathFindExtensionW(lpszPath);
3918 if (lpszExt > lpszPath && lpszExt[-1] == ']')
3920 LPWSTR lpszSkip = lpszExt - 2;
3921 if (*lpszSkip == '[')
3922 lpszSkip++; /* [] (no number) */
3924 while (lpszSkip > lpszPath && isdigitW(lpszSkip[-1]))
3926 if (lpszSkip > lpszPath && lpszSkip[-1] == '[' && lpszSkip[-2] != '\\')
3928 /* remove the [n] */
3931 *lpszSkip++ = *lpszExt++;
3938 /*************************************************************************
3939 * PathUnExpandEnvStringsA [SHLWAPI.@]
3941 * Substitute folder names in a path with their corresponding environment
3945 * pszPath [I] Buffer containing the path to unexpand.
3946 * pszBuf [O] Buffer to receive the unexpanded path.
3947 * cchBuf [I] Size of pszBuf in characters.
3953 BOOL WINAPI PathUnExpandEnvStringsA(LPCSTR pszPath, LPSTR pszBuf, UINT cchBuf)
3955 FIXME("(%s,%s,0x%08x)\n", debugstr_a(pszPath), debugstr_a(pszBuf), cchBuf);
3959 /*************************************************************************
3960 * PathUnExpandEnvStringsW [SHLWAPI.@]
3962 * Unicode version of PathUnExpandEnvStringsA.
3964 BOOL WINAPI PathUnExpandEnvStringsW(LPCWSTR pszPath, LPWSTR pszBuf, UINT cchBuf)
3966 FIXME("(%s,%s,0x%08x)\n", debugstr_w(pszPath), debugstr_w(pszBuf), cchBuf);
3970 /*************************************************************************
3973 * Find localised or default web content in "%WINDOWS%\web\".
3976 * lpszFile [I] File name containing content to look for
3977 * lpszPath [O] Buffer to contain the full path to the file
3978 * dwPathLen [I] Length of lpszPath
3981 * Success: S_OK. lpszPath contains the full path to the content.
3982 * Failure: E_FAIL. The content does not exist or lpszPath is too short.
3984 HRESULT WINAPI SHGetWebFolderFilePathA(LPCSTR lpszFile, LPSTR lpszPath, DWORD dwPathLen)
3986 WCHAR szFile[MAX_PATH], szPath[MAX_PATH];
3989 TRACE("(%s,%p,%d)\n", lpszFile, lpszPath, dwPathLen);
3991 MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, szFile, MAX_PATH);
3993 hRet = SHGetWebFolderFilePathW(szFile, szPath, dwPathLen);
3994 WideCharToMultiByte(CP_ACP, 0, szPath, -1, lpszPath, dwPathLen, 0, 0);
3998 /*************************************************************************
4001 * Unicode version of SHGetWebFolderFilePathA.
4003 HRESULT WINAPI SHGetWebFolderFilePathW(LPCWSTR lpszFile, LPWSTR lpszPath, DWORD dwPathLen)
4005 static const WCHAR szWeb[] = {'\\','W','e','b','\\','\0'};
4006 static const WCHAR szWebMui[] = {'m','u','i','\\','%','0','4','x','\\','\0'};
4007 #define szWebLen (sizeof(szWeb)/sizeof(WCHAR))
4008 #define szWebMuiLen ((sizeof(szWebMui)+1)/sizeof(WCHAR))
4009 DWORD dwLen, dwFileLen;
4010 LANGID lidSystem, lidUser;
4012 TRACE("(%s,%p,%d)\n", debugstr_w(lpszFile), lpszPath, dwPathLen);
4014 /* Get base directory for web content */
4015 dwLen = GetSystemWindowsDirectoryW(lpszPath, dwPathLen);
4016 if (dwLen > 0 && lpszPath[dwLen-1] == '\\')
4019 dwFileLen = strlenW(lpszFile);
4021 if (dwLen + dwFileLen + szWebLen >= dwPathLen)
4022 return E_FAIL; /* lpszPath too short */
4024 strcpyW(lpszPath+dwLen, szWeb);
4026 dwPathLen = dwPathLen - dwLen; /* Remaining space */
4028 lidSystem = GetSystemDefaultUILanguage();
4029 lidUser = GetUserDefaultUILanguage();
4031 if (lidSystem != lidUser)
4033 if (dwFileLen + szWebMuiLen < dwPathLen)
4035 /* Use localised content in the users UI language if present */
4036 wsprintfW(lpszPath + dwLen, szWebMui, lidUser);
4037 strcpyW(lpszPath + dwLen + szWebMuiLen, lpszFile);
4038 if (PathFileExistsW(lpszPath))
4043 /* Fall back to OS default installed content */
4044 strcpyW(lpszPath + dwLen, lpszFile);
4045 if (PathFileExistsW(lpszPath))
4050 #define PATH_CHAR_CLASS_LETTER 0x00000001
4051 #define PATH_CHAR_CLASS_ASTERIX 0x00000002
4052 #define PATH_CHAR_CLASS_DOT 0x00000004
4053 #define PATH_CHAR_CLASS_BACKSLASH 0x00000008
4054 #define PATH_CHAR_CLASS_COLON 0x00000010
4055 #define PATH_CHAR_CLASS_SEMICOLON 0x00000020
4056 #define PATH_CHAR_CLASS_COMMA 0x00000040
4057 #define PATH_CHAR_CLASS_SPACE 0x00000080
4058 #define PATH_CHAR_CLASS_OTHER_VALID 0x00000100
4059 #define PATH_CHAR_CLASS_DOUBLEQUOTE 0x00000200
4061 #define PATH_CHAR_CLASS_INVALID 0x00000000
4062 #define PATH_CHAR_CLASS_ANY 0xffffffff
4064 static const DWORD SHELL_charclass[] =
4066 /* 0x00 */ PATH_CHAR_CLASS_INVALID, /* 0x01 */ PATH_CHAR_CLASS_INVALID,
4067 /* 0x02 */ PATH_CHAR_CLASS_INVALID, /* 0x03 */ PATH_CHAR_CLASS_INVALID,
4068 /* 0x04 */ PATH_CHAR_CLASS_INVALID, /* 0x05 */ PATH_CHAR_CLASS_INVALID,
4069 /* 0x06 */ PATH_CHAR_CLASS_INVALID, /* 0x07 */ PATH_CHAR_CLASS_INVALID,
4070 /* 0x08 */ PATH_CHAR_CLASS_INVALID, /* 0x09 */ PATH_CHAR_CLASS_INVALID,
4071 /* 0x0a */ PATH_CHAR_CLASS_INVALID, /* 0x0b */ PATH_CHAR_CLASS_INVALID,
4072 /* 0x0c */ PATH_CHAR_CLASS_INVALID, /* 0x0d */ PATH_CHAR_CLASS_INVALID,
4073 /* 0x0e */ PATH_CHAR_CLASS_INVALID, /* 0x0f */ PATH_CHAR_CLASS_INVALID,
4074 /* 0x10 */ PATH_CHAR_CLASS_INVALID, /* 0x11 */ PATH_CHAR_CLASS_INVALID,
4075 /* 0x12 */ PATH_CHAR_CLASS_INVALID, /* 0x13 */ PATH_CHAR_CLASS_INVALID,
4076 /* 0x14 */ PATH_CHAR_CLASS_INVALID, /* 0x15 */ PATH_CHAR_CLASS_INVALID,
4077 /* 0x16 */ PATH_CHAR_CLASS_INVALID, /* 0x17 */ PATH_CHAR_CLASS_INVALID,
4078 /* 0x18 */ PATH_CHAR_CLASS_INVALID, /* 0x19 */ PATH_CHAR_CLASS_INVALID,
4079 /* 0x1a */ PATH_CHAR_CLASS_INVALID, /* 0x1b */ PATH_CHAR_CLASS_INVALID,
4080 /* 0x1c */ PATH_CHAR_CLASS_INVALID, /* 0x1d */ PATH_CHAR_CLASS_INVALID,
4081 /* 0x1e */ PATH_CHAR_CLASS_INVALID, /* 0x1f */ PATH_CHAR_CLASS_INVALID,
4082 /* ' ' */ PATH_CHAR_CLASS_SPACE, /* '!' */ PATH_CHAR_CLASS_OTHER_VALID,
4083 /* '"' */ PATH_CHAR_CLASS_DOUBLEQUOTE, /* '#' */ PATH_CHAR_CLASS_OTHER_VALID,
4084 /* '$' */ PATH_CHAR_CLASS_OTHER_VALID, /* '%' */ PATH_CHAR_CLASS_OTHER_VALID,
4085 /* '&' */ PATH_CHAR_CLASS_OTHER_VALID, /* '\'' */ PATH_CHAR_CLASS_OTHER_VALID,
4086 /* '(' */ PATH_CHAR_CLASS_OTHER_VALID, /* ')' */ PATH_CHAR_CLASS_OTHER_VALID,
4087 /* '*' */ PATH_CHAR_CLASS_ASTERIX, /* '+' */ PATH_CHAR_CLASS_OTHER_VALID,
4088 /* ',' */ PATH_CHAR_CLASS_COMMA, /* '-' */ PATH_CHAR_CLASS_OTHER_VALID,
4089 /* '.' */ PATH_CHAR_CLASS_DOT, /* '/' */ PATH_CHAR_CLASS_INVALID,
4090 /* '0' */ PATH_CHAR_CLASS_OTHER_VALID, /* '1' */ PATH_CHAR_CLASS_OTHER_VALID,
4091 /* '2' */ PATH_CHAR_CLASS_OTHER_VALID, /* '3' */ PATH_CHAR_CLASS_OTHER_VALID,
4092 /* '4' */ PATH_CHAR_CLASS_OTHER_VALID, /* '5' */ PATH_CHAR_CLASS_OTHER_VALID,
4093 /* '6' */ PATH_CHAR_CLASS_OTHER_VALID, /* '7' */ PATH_CHAR_CLASS_OTHER_VALID,
4094 /* '8' */ PATH_CHAR_CLASS_OTHER_VALID, /* '9' */ PATH_CHAR_CLASS_OTHER_VALID,
4095 /* ':' */ PATH_CHAR_CLASS_COLON, /* ';' */ PATH_CHAR_CLASS_SEMICOLON,
4096 /* '<' */ PATH_CHAR_CLASS_INVALID, /* '=' */ PATH_CHAR_CLASS_OTHER_VALID,
4097 /* '>' */ PATH_CHAR_CLASS_INVALID, /* '?' */ PATH_CHAR_CLASS_LETTER,
4098 /* '@' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'A' */ PATH_CHAR_CLASS_ANY,
4099 /* 'B' */ PATH_CHAR_CLASS_ANY, /* 'C' */ PATH_CHAR_CLASS_ANY,
4100 /* 'D' */ PATH_CHAR_CLASS_ANY, /* 'E' */ PATH_CHAR_CLASS_ANY,
4101 /* 'F' */ PATH_CHAR_CLASS_ANY, /* 'G' */ PATH_CHAR_CLASS_ANY,
4102 /* 'H' */ PATH_CHAR_CLASS_ANY, /* 'I' */ PATH_CHAR_CLASS_ANY,
4103 /* 'J' */ PATH_CHAR_CLASS_ANY, /* 'K' */ PATH_CHAR_CLASS_ANY,
4104 /* 'L' */ PATH_CHAR_CLASS_ANY, /* 'M' */ PATH_CHAR_CLASS_ANY,
4105 /* 'N' */ PATH_CHAR_CLASS_ANY, /* 'O' */ PATH_CHAR_CLASS_ANY,
4106 /* 'P' */ PATH_CHAR_CLASS_ANY, /* 'Q' */ PATH_CHAR_CLASS_ANY,
4107 /* 'R' */ PATH_CHAR_CLASS_ANY, /* 'S' */ PATH_CHAR_CLASS_ANY,
4108 /* 'T' */ PATH_CHAR_CLASS_ANY, /* 'U' */ PATH_CHAR_CLASS_ANY,
4109 /* 'V' */ PATH_CHAR_CLASS_ANY, /* 'W' */ PATH_CHAR_CLASS_ANY,
4110 /* 'X' */ PATH_CHAR_CLASS_ANY, /* 'Y' */ PATH_CHAR_CLASS_ANY,
4111 /* 'Z' */ PATH_CHAR_CLASS_ANY, /* '[' */ PATH_CHAR_CLASS_OTHER_VALID,
4112 /* '\\' */ PATH_CHAR_CLASS_BACKSLASH, /* ']' */ PATH_CHAR_CLASS_OTHER_VALID,
4113 /* '^' */ PATH_CHAR_CLASS_OTHER_VALID, /* '_' */ PATH_CHAR_CLASS_OTHER_VALID,
4114 /* '`' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'a' */ PATH_CHAR_CLASS_ANY,
4115 /* 'b' */ PATH_CHAR_CLASS_ANY, /* 'c' */ PATH_CHAR_CLASS_ANY,
4116 /* 'd' */ PATH_CHAR_CLASS_ANY, /* 'e' */ PATH_CHAR_CLASS_ANY,
4117 /* 'f' */ PATH_CHAR_CLASS_ANY, /* 'g' */ PATH_CHAR_CLASS_ANY,
4118 /* 'h' */ PATH_CHAR_CLASS_ANY, /* 'i' */ PATH_CHAR_CLASS_ANY,
4119 /* 'j' */ PATH_CHAR_CLASS_ANY, /* 'k' */ PATH_CHAR_CLASS_ANY,
4120 /* 'l' */ PATH_CHAR_CLASS_ANY, /* 'm' */ PATH_CHAR_CLASS_ANY,
4121 /* 'n' */ PATH_CHAR_CLASS_ANY, /* 'o' */ PATH_CHAR_CLASS_ANY,
4122 /* 'p' */ PATH_CHAR_CLASS_ANY, /* 'q' */ PATH_CHAR_CLASS_ANY,
4123 /* 'r' */ PATH_CHAR_CLASS_ANY, /* 's' */ PATH_CHAR_CLASS_ANY,
4124 /* 't' */ PATH_CHAR_CLASS_ANY, /* 'u' */ PATH_CHAR_CLASS_ANY,
4125 /* 'v' */ PATH_CHAR_CLASS_ANY, /* 'w' */ PATH_CHAR_CLASS_ANY,
4126 /* 'x' */ PATH_CHAR_CLASS_ANY, /* 'y' */ PATH_CHAR_CLASS_ANY,
4127 /* 'z' */ PATH_CHAR_CLASS_ANY, /* '{' */ PATH_CHAR_CLASS_OTHER_VALID,
4128 /* '|' */ PATH_CHAR_CLASS_INVALID, /* '}' */ PATH_CHAR_CLASS_OTHER_VALID,
4129 /* '~' */ PATH_CHAR_CLASS_OTHER_VALID
4132 /*************************************************************************
4135 * Check if an ASCII char is of a certain class
4137 BOOL WINAPI PathIsValidCharA( char c, DWORD class )
4139 if ((unsigned)c > 0x7e)
4140 return class & PATH_CHAR_CLASS_OTHER_VALID;
4142 return class & SHELL_charclass[(unsigned)c];
4145 /*************************************************************************
4148 * Check if a Unicode char is of a certain class
4150 BOOL WINAPI PathIsValidCharW( WCHAR c, DWORD class )
4153 return class & PATH_CHAR_CLASS_OTHER_VALID;
4155 return class & SHELL_charclass[c];