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reactos/dll/win32/shlwapi/path.c
Amine Khaldi d3fd5bdd97 [SHLWAPI] Sync with Wine Staging 3.3. CORE-14434
2018-03-04 13:17:11 +01:00

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/*
* Path Functions
*
* Copyright 1999, 2000 Juergen Schmied
* Copyright 2001, 2002 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "wine/unicode.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#include "winternl.h"
#define NO_SHLWAPI_STREAM
#include "shlwapi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
#ifdef __REACTOS__
int WINAPI IsNetDrive(int drive);
#else
/* Get a function pointer from a DLL handle */
#define GET_FUNC(func, module, name, fail) \
do { \
if (!func) { \
if (!SHLWAPI_h##module && !(SHLWAPI_h##module = LoadLibraryA(#module ".dll"))) return fail; \
func = (fn##func)GetProcAddress(SHLWAPI_h##module, name); \
if (!func) return fail; \
} \
} while (0)
/* DLL handles for late bound calls */
static HMODULE SHLWAPI_hshell32;
/* Function pointers for GET_FUNC macro; these need to be global because of gcc bug */
typedef BOOL (WINAPI *fnpIsNetDrive)(int);
static fnpIsNetDrive pIsNetDrive;
#endif /* __REACTOS__ */
HRESULT WINAPI SHGetWebFolderFilePathW(LPCWSTR,LPWSTR,DWORD);
static inline WCHAR* heap_strdupAtoW(LPCSTR str)
{
WCHAR *ret = NULL;
if (str)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
ret = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
if (ret)
MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
}
return ret;
}
/*************************************************************************
* PathAppendA [SHLWAPI.@]
*
* Append one path to another.
*
* PARAMS
* lpszPath [I/O] Initial part of path, and destination for output
* lpszAppend [I] Path to append
*
* RETURNS
* Success: TRUE. lpszPath contains the newly created path.
* Failure: FALSE, if either path is NULL, or PathCombineA() fails.
*
* NOTES
* lpszAppend must contain at least one backslash ('\') if not NULL.
* Because PathCombineA() is used to join the paths, the resulting
* path is also canonicalized.
*/
BOOL WINAPI PathAppendA (LPSTR lpszPath, LPCSTR lpszAppend)
{
TRACE("(%s,%s)\n",debugstr_a(lpszPath), debugstr_a(lpszAppend));
if (lpszPath && lpszAppend)
{
if (!PathIsUNCA(lpszAppend))
while (*lpszAppend == '\\')
lpszAppend++;
if (PathCombineA(lpszPath, lpszPath, lpszAppend))
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathAppendW [SHLWAPI.@]
*
* See PathAppendA.
*/
BOOL WINAPI PathAppendW(LPWSTR lpszPath, LPCWSTR lpszAppend)
{
TRACE("(%s,%s)\n",debugstr_w(lpszPath), debugstr_w(lpszAppend));
if (lpszPath && lpszAppend)
{
if (!PathIsUNCW(lpszAppend))
while (*lpszAppend == '\\')
lpszAppend++;
if (PathCombineW(lpszPath, lpszPath, lpszAppend))
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathCombineA [SHLWAPI.@]
*
* Combine two paths together.
*
* PARAMS
* lpszDest [O] Destination for combined path
* lpszDir [I] Directory path
* lpszFile [I] File path
*
* RETURNS
* Success: The output path
* Failure: NULL, if inputs are invalid.
*
* NOTES
* lpszDest should be at least MAX_PATH in size, and may point to the same
* memory location as lpszDir. The combined path is canonicalised.
*/
LPSTR WINAPI PathCombineA(LPSTR lpszDest, LPCSTR lpszDir, LPCSTR lpszFile)
{
WCHAR szDest[MAX_PATH];
WCHAR szDir[MAX_PATH];
WCHAR szFile[MAX_PATH];
TRACE("(%p,%s,%s)\n", lpszDest, debugstr_a(lpszDir), debugstr_a(lpszFile));
/* Invalid parameters */
if (!lpszDest)
return NULL;
if (!lpszDir && !lpszFile)
goto fail;
if (lpszDir)
if (!MultiByteToWideChar(CP_ACP,0,lpszDir,-1,szDir,MAX_PATH))
goto fail;
if (lpszFile)
if (!MultiByteToWideChar(CP_ACP,0,lpszFile,-1,szFile,MAX_PATH))
goto fail;
if (PathCombineW(szDest, lpszDir ? szDir : NULL, lpszFile ? szFile : NULL))
if (WideCharToMultiByte(CP_ACP,0,szDest,-1,lpszDest,MAX_PATH,0,0))
return lpszDest;
fail:
lpszDest[0] = 0;
return NULL;
}
/*************************************************************************
* PathCombineW [SHLWAPI.@]
*
* See PathCombineA.
*/
LPWSTR WINAPI PathCombineW(LPWSTR lpszDest, LPCWSTR lpszDir, LPCWSTR lpszFile)
{
WCHAR szTemp[MAX_PATH];
BOOL bUseBoth = FALSE, bStrip = FALSE;
TRACE("(%p,%s,%s)\n", lpszDest, debugstr_w(lpszDir), debugstr_w(lpszFile));
/* Invalid parameters */
if (!lpszDest)
return NULL;
if (!lpszDir && !lpszFile)
{
lpszDest[0] = 0;
return NULL;
}
if ((!lpszFile || !*lpszFile) && lpszDir)
{
/* Use dir only */
lstrcpynW(szTemp, lpszDir, MAX_PATH);
}
else if (!lpszDir || !*lpszDir || !PathIsRelativeW(lpszFile))
{
if (!lpszDir || !*lpszDir || *lpszFile != '\\' || PathIsUNCW(lpszFile))
{
/* Use file only */
lstrcpynW(szTemp, lpszFile, MAX_PATH);
}
else
{
bUseBoth = TRUE;
bStrip = TRUE;
}
}
else
bUseBoth = TRUE;
if (bUseBoth)
{
lstrcpynW(szTemp, lpszDir, MAX_PATH);
if (bStrip)
{
PathStripToRootW(szTemp);
lpszFile++; /* Skip '\' */
}
if (!PathAddBackslashW(szTemp) || strlenW(szTemp) + strlenW(lpszFile) >= MAX_PATH)
{
lpszDest[0] = 0;
return NULL;
}
strcatW(szTemp, lpszFile);
}
PathCanonicalizeW(lpszDest, szTemp);
return lpszDest;
}
/*************************************************************************
* PathAddBackslashA [SHLWAPI.@]
*
* Append a backslash ('\') to a path if one doesn't exist.
*
* PARAMS
* lpszPath [I/O] The path to append a backslash to.
*
* RETURNS
* Success: The position of the last backslash in the path.
* Failure: NULL, if lpszPath is NULL or the path is too large.
*/
LPSTR WINAPI PathAddBackslashA(LPSTR lpszPath)
{
size_t iLen;
LPSTR prev = lpszPath;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (!lpszPath || (iLen = strlen(lpszPath)) >= MAX_PATH)
return NULL;
if (iLen)
{
do {
lpszPath = CharNextA(prev);
if (*lpszPath)
prev = lpszPath;
} while (*lpszPath);
if (*prev != '\\')
{
*lpszPath++ = '\\';
*lpszPath = '\0';
}
}
return lpszPath;
}
/*************************************************************************
* PathAddBackslashW [SHLWAPI.@]
*
* See PathAddBackslashA.
*/
LPWSTR WINAPI PathAddBackslashW( LPWSTR lpszPath )
{
size_t iLen;
TRACE("(%s)\n",debugstr_w(lpszPath));
if (!lpszPath || (iLen = strlenW(lpszPath)) >= MAX_PATH)
return NULL;
if (iLen)
{
lpszPath += iLen;
if (lpszPath[-1] != '\\')
{
*lpszPath++ = '\\';
*lpszPath = '\0';
}
}
return lpszPath;
}
/*************************************************************************
* PathBuildRootA [SHLWAPI.@]
*
* Create a root drive string (e.g. "A:\") from a drive number.
*
* PARAMS
* lpszPath [O] Destination for the drive string
*
* RETURNS
* lpszPath
*
* NOTES
* If lpszPath is NULL or drive is invalid, nothing is written to lpszPath.
*/
LPSTR WINAPI PathBuildRootA(LPSTR lpszPath, int drive)
{
TRACE("(%p,%d)\n", lpszPath, drive);
if (lpszPath && drive >= 0 && drive < 26)
{
lpszPath[0] = 'A' + drive;
lpszPath[1] = ':';
lpszPath[2] = '\\';
lpszPath[3] = '\0';
}
return lpszPath;
}
/*************************************************************************
* PathBuildRootW [SHLWAPI.@]
*
* See PathBuildRootA.
*/
LPWSTR WINAPI PathBuildRootW(LPWSTR lpszPath, int drive)
{
TRACE("(%p,%d)\n", lpszPath, drive);
if (lpszPath && drive >= 0 && drive < 26)
{
lpszPath[0] = 'A' + drive;
lpszPath[1] = ':';
lpszPath[2] = '\\';
lpszPath[3] = '\0';
}
return lpszPath;
}
/*************************************************************************
* PathFindFileNameA [SHLWAPI.@]
*
* Locate the start of the file name in a path
*
* PARAMS
* lpszPath [I] Path to search
*
* RETURNS
* A pointer to the first character of the file name
*/
LPSTR WINAPI PathFindFileNameA(LPCSTR lpszPath)
{
LPCSTR lastSlash = lpszPath;
TRACE("(%s)\n",debugstr_a(lpszPath));
while (lpszPath && *lpszPath)
{
if ((*lpszPath == '\\' || *lpszPath == '/' || *lpszPath == ':') &&
lpszPath[1] && lpszPath[1] != '\\' && lpszPath[1] != '/')
lastSlash = lpszPath + 1;
lpszPath = CharNextA(lpszPath);
}
return (LPSTR)lastSlash;
}
/*************************************************************************
* PathFindFileNameW [SHLWAPI.@]
*
* See PathFindFileNameA.
*/
LPWSTR WINAPI PathFindFileNameW(LPCWSTR lpszPath)
{
LPCWSTR lastSlash = lpszPath;
TRACE("(%s)\n",debugstr_w(lpszPath));
while (lpszPath && *lpszPath)
{
if ((*lpszPath == '\\' || *lpszPath == '/' || *lpszPath == ':') &&
lpszPath[1] && lpszPath[1] != '\\' && lpszPath[1] != '/')
lastSlash = lpszPath + 1;
lpszPath++;
}
return (LPWSTR)lastSlash;
}
/*************************************************************************
* PathFindExtensionA [SHLWAPI.@]
*
* Locate the start of the file extension in a path
*
* PARAMS
* lpszPath [I] The path to search
*
* RETURNS
* A pointer to the first character of the extension, the end of
* the string if the path has no extension, or NULL If lpszPath is NULL
*/
LPSTR WINAPI PathFindExtensionA( LPCSTR lpszPath )
{
LPCSTR lastpoint = NULL;
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath)
{
while (*lpszPath)
{
if (*lpszPath == '\\' || *lpszPath==' ')
lastpoint = NULL;
else if (*lpszPath == '.')
lastpoint = lpszPath;
lpszPath = CharNextA(lpszPath);
}
}
return (LPSTR)(lastpoint ? lastpoint : lpszPath);
}
/*************************************************************************
* PathFindExtensionW [SHLWAPI.@]
*
* See PathFindExtensionA.
*/
LPWSTR WINAPI PathFindExtensionW( LPCWSTR lpszPath )
{
LPCWSTR lastpoint = NULL;
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath)
{
while (*lpszPath)
{
if (*lpszPath == '\\' || *lpszPath==' ')
lastpoint = NULL;
else if (*lpszPath == '.')
lastpoint = lpszPath;
lpszPath++;
}
}
return (LPWSTR)(lastpoint ? lastpoint : lpszPath);
}
/*************************************************************************
* PathGetArgsA [SHLWAPI.@]
*
* Find the next argument in a string delimited by spaces.
*
* PARAMS
* lpszPath [I] The string to search for arguments in
*
* RETURNS
* The start of the next argument in lpszPath, or NULL if lpszPath is NULL
*
* NOTES
* Spaces in quoted strings are ignored as delimiters.
*/
LPSTR WINAPI PathGetArgsA(LPCSTR lpszPath)
{
BOOL bSeenQuote = FALSE;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (lpszPath)
{
while (*lpszPath)
{
if ((*lpszPath==' ') && !bSeenQuote)
return (LPSTR)lpszPath + 1;
if (*lpszPath == '"')
bSeenQuote = !bSeenQuote;
lpszPath = CharNextA(lpszPath);
}
}
return (LPSTR)lpszPath;
}
/*************************************************************************
* PathGetArgsW [SHLWAPI.@]
*
* See PathGetArgsA.
*/
LPWSTR WINAPI PathGetArgsW(LPCWSTR lpszPath)
{
BOOL bSeenQuote = FALSE;
TRACE("(%s)\n",debugstr_w(lpszPath));
if (lpszPath)
{
while (*lpszPath)
{
if ((*lpszPath==' ') && !bSeenQuote)
return (LPWSTR)lpszPath + 1;
if (*lpszPath == '"')
bSeenQuote = !bSeenQuote;
lpszPath++;
}
}
return (LPWSTR)lpszPath;
}
/*************************************************************************
* PathGetDriveNumberA [SHLWAPI.@]
*
* Return the drive number from a path
*
* PARAMS
* lpszPath [I] Path to get the drive number from
*
* RETURNS
* Success: The drive number corresponding to the drive in the path
* Failure: -1, if lpszPath contains no valid drive
*/
int WINAPI PathGetDriveNumberA(LPCSTR lpszPath)
{
TRACE ("(%s)\n",debugstr_a(lpszPath));
if (lpszPath && !IsDBCSLeadByte(*lpszPath) && lpszPath[1] == ':' &&
tolower(*lpszPath) >= 'a' && tolower(*lpszPath) <= 'z')
return tolower(*lpszPath) - 'a';
return -1;
}
/*************************************************************************
* PathGetDriveNumberW [SHLWAPI.@]
*
* See PathGetDriveNumberA.
*/
int WINAPI PathGetDriveNumberW(const WCHAR *path)
{
WCHAR drive;
static const WCHAR nt_prefixW[] = {'\\','\\','?','\\'};
TRACE("(%s)\n", debugstr_w(path));
if (!path)
return -1;
if (!strncmpW(path, nt_prefixW, 4))
path += 4;
drive = tolowerW(path[0]);
if (drive < 'a' || drive > 'z' || path[1] != ':')
return -1;
return drive - 'a';
}
/*************************************************************************
* PathRemoveFileSpecA [SHLWAPI.@]
*
* Remove the file specification from a path.
*
* PARAMS
* lpszPath [I/O] Path to remove the file spec from
*
* RETURNS
* TRUE If the path was valid and modified
* FALSE Otherwise
*/
BOOL WINAPI PathRemoveFileSpecA(LPSTR lpszPath)
{
LPSTR lpszFileSpec = lpszPath;
BOOL bModified = FALSE;
TRACE("(%s)\n",debugstr_a(lpszPath));
if(lpszPath)
{
/* Skip directory or UNC path */
if (*lpszPath == '\\')
lpszFileSpec = ++lpszPath;
if (*lpszPath == '\\')
lpszFileSpec = ++lpszPath;
while (*lpszPath)
{
if(*lpszPath == '\\')
lpszFileSpec = lpszPath; /* Skip dir */
else if(*lpszPath == ':')
{
lpszFileSpec = ++lpszPath; /* Skip drive */
if (*lpszPath == '\\')
lpszFileSpec++;
}
if (!(lpszPath = CharNextA(lpszPath)))
break;
}
if (*lpszFileSpec)
{
*lpszFileSpec = '\0';
bModified = TRUE;
}
}
return bModified;
}
/*************************************************************************
* PathRemoveFileSpecW [SHLWAPI.@]
*
* See PathRemoveFileSpecA.
*/
BOOL WINAPI PathRemoveFileSpecW(LPWSTR lpszPath)
{
LPWSTR lpszFileSpec = lpszPath;
BOOL bModified = FALSE;
TRACE("(%s)\n",debugstr_w(lpszPath));
if(lpszPath)
{
/* Skip directory or UNC path */
if (*lpszPath == '\\')
lpszFileSpec = ++lpszPath;
if (*lpszPath == '\\')
lpszFileSpec = ++lpszPath;
while (*lpszPath)
{
if(*lpszPath == '\\')
lpszFileSpec = lpszPath; /* Skip dir */
else if(*lpszPath == ':')
{
lpszFileSpec = ++lpszPath; /* Skip drive */
if (*lpszPath == '\\')
lpszFileSpec++;
}
lpszPath++;
}
if (*lpszFileSpec)
{
*lpszFileSpec = '\0';
bModified = TRUE;
}
}
return bModified;
}
/*************************************************************************
* PathStripPathA [SHLWAPI.@]
*
* Remove the initial path from the beginning of a filename
*
* PARAMS
* lpszPath [I/O] Path to remove the initial path from
*
* RETURNS
* Nothing.
*/
void WINAPI PathStripPathA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath)
{
LPSTR lpszFileName = PathFindFileNameA(lpszPath);
if(lpszFileName != lpszPath)
RtlMoveMemory(lpszPath, lpszFileName, strlen(lpszFileName)+1);
}
}
/*************************************************************************
* PathStripPathW [SHLWAPI.@]
*
* See PathStripPathA.
*/
void WINAPI PathStripPathW(LPWSTR lpszPath)
{
LPWSTR lpszFileName;
TRACE("(%s)\n", debugstr_w(lpszPath));
lpszFileName = PathFindFileNameW(lpszPath);
if(lpszFileName != lpszPath)
RtlMoveMemory(lpszPath, lpszFileName, (strlenW(lpszFileName)+1)*sizeof(WCHAR));
}
/*************************************************************************
* PathStripToRootA [SHLWAPI.@]
*
* Reduce a path to its root.
*
* PARAMS
* lpszPath [I/O] the path to reduce
*
* RETURNS
* Success: TRUE if the stripped path is a root path
* Failure: FALSE if the path cannot be stripped or is NULL
*/
BOOL WINAPI PathStripToRootA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (!lpszPath)
return FALSE;
while(!PathIsRootA(lpszPath))
if (!PathRemoveFileSpecA(lpszPath))
return FALSE;
return TRUE;
}
/*************************************************************************
* PathStripToRootW [SHLWAPI.@]
*
* See PathStripToRootA.
*/
BOOL WINAPI PathStripToRootW(LPWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath)
return FALSE;
while(!PathIsRootW(lpszPath))
if (!PathRemoveFileSpecW(lpszPath))
return FALSE;
return TRUE;
}
/*************************************************************************
* PathRemoveArgsA [SHLWAPI.@]
*
* Strip space separated arguments from a path.
*
* PARAMS
* lpszPath [I/O] Path to remove arguments from
*
* RETURNS
* Nothing.
*/
void WINAPI PathRemoveArgsA(LPSTR lpszPath)
{
TRACE("(%s)\n",debugstr_a(lpszPath));
if(lpszPath)
{
LPSTR lpszArgs = PathGetArgsA(lpszPath);
if (*lpszArgs)
lpszArgs[-1] = '\0';
else
{
LPSTR lpszLastChar = CharPrevA(lpszPath, lpszArgs);
if(*lpszLastChar == ' ')
*lpszLastChar = '\0';
}
}
}
/*************************************************************************
* PathRemoveArgsW [SHLWAPI.@]
*
* See PathRemoveArgsA.
*/
void WINAPI PathRemoveArgsW(LPWSTR lpszPath)
{
TRACE("(%s)\n",debugstr_w(lpszPath));
if(lpszPath)
{
LPWSTR lpszArgs = PathGetArgsW(lpszPath);
if (*lpszArgs || (lpszArgs > lpszPath && lpszArgs[-1] == ' '))
lpszArgs[-1] = '\0';
}
}
/*************************************************************************
* PathRemoveExtensionA [SHLWAPI.@]
*
* Remove the file extension from a path
*
* PARAMS
* lpszPath [I/O] Path to remove the extension from
*
* NOTES
* The NUL terminator must be written only if extension exists
* and if the pointed character is not already NUL.
*
* RETURNS
* Nothing.
*/
void WINAPI PathRemoveExtensionA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath)
{
lpszPath = PathFindExtensionA(lpszPath);
if (lpszPath && *lpszPath != '\0')
*lpszPath = '\0';
}
}
/*************************************************************************
* PathRemoveExtensionW [SHLWAPI.@]
*
* See PathRemoveExtensionA.
*/
void WINAPI PathRemoveExtensionW(LPWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath)
{
lpszPath = PathFindExtensionW(lpszPath);
if (lpszPath && *lpszPath != '\0')
*lpszPath = '\0';
}
}
/*************************************************************************
* PathRemoveBackslashA [SHLWAPI.@]
*
* Remove a trailing backslash from a path.
*
* PARAMS
* lpszPath [I/O] Path to remove backslash from
*
* RETURNS
* Success: A pointer to the end of the path
* Failure: NULL, if lpszPath is NULL
*/
LPSTR WINAPI PathRemoveBackslashA( LPSTR lpszPath )
{
LPSTR szTemp = NULL;
TRACE("(%s)\n", debugstr_a(lpszPath));
if(lpszPath)
{
szTemp = CharPrevA(lpszPath, lpszPath + strlen(lpszPath));
if (!PathIsRootA(lpszPath) && *szTemp == '\\')
*szTemp = '\0';
}
return szTemp;
}
/*************************************************************************
* PathRemoveBackslashW [SHLWAPI.@]
*
* See PathRemoveBackslashA.
*/
LPWSTR WINAPI PathRemoveBackslashW( LPWSTR lpszPath )
{
LPWSTR szTemp = NULL;
TRACE("(%s)\n", debugstr_w(lpszPath));
if(lpszPath)
{
szTemp = lpszPath + strlenW(lpszPath);
if (szTemp > lpszPath) szTemp--;
if (!PathIsRootW(lpszPath) && *szTemp == '\\')
*szTemp = '\0';
}
return szTemp;
}
/*************************************************************************
* PathRemoveBlanksA [SHLWAPI.@]
*
* Remove Spaces from the start and end of a path.
*
* PARAMS
* lpszPath [I/O] Path to strip blanks from
*
* RETURNS
* Nothing.
*/
VOID WINAPI PathRemoveBlanksA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if(lpszPath && *lpszPath)
{
LPSTR start = lpszPath;
while (*lpszPath == ' ')
lpszPath = CharNextA(lpszPath);
while(*lpszPath)
*start++ = *lpszPath++;
if (start != lpszPath)
while (start[-1] == ' ')
start--;
*start = '\0';
}
}
/*************************************************************************
* PathRemoveBlanksW [SHLWAPI.@]
*
* See PathRemoveBlanksA.
*/
VOID WINAPI PathRemoveBlanksW(LPWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if(lpszPath && *lpszPath)
{
LPWSTR start = lpszPath;
while (*lpszPath == ' ')
lpszPath++;
while(*lpszPath)
*start++ = *lpszPath++;
if (start != lpszPath)
while (start[-1] == ' ')
start--;
*start = '\0';
}
}
/*************************************************************************
* PathQuoteSpacesA [SHLWAPI.@]
*
* Surround a path containing spaces in quotes.
*
* PARAMS
* lpszPath [I/O] Path to quote
*
* RETURNS
* Nothing.
*
* NOTES
* The path is not changed if it is invalid or has no spaces.
*/
VOID WINAPI PathQuoteSpacesA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if(lpszPath && StrChrA(lpszPath,' '))
{
size_t iLen = strlen(lpszPath) + 1;
if (iLen + 2 < MAX_PATH)
{
memmove(lpszPath + 1, lpszPath, iLen);
lpszPath[0] = '"';
lpszPath[iLen] = '"';
lpszPath[iLen + 1] = '\0';
}
}
}
/*************************************************************************
* PathQuoteSpacesW [SHLWAPI.@]
*
* See PathQuoteSpacesA.
*/
VOID WINAPI PathQuoteSpacesW(LPWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if(lpszPath && StrChrW(lpszPath,' '))
{
int iLen = strlenW(lpszPath) + 1;
if (iLen + 2 < MAX_PATH)
{
memmove(lpszPath + 1, lpszPath, iLen * sizeof(WCHAR));
lpszPath[0] = '"';
lpszPath[iLen] = '"';
lpszPath[iLen + 1] = '\0';
}
}
}
/*************************************************************************
* PathUnquoteSpacesA [SHLWAPI.@]
*
* Remove quotes ("") from around a path, if present.
*
* PARAMS
* lpszPath [I/O] Path to strip quotes from
*
* RETURNS
* Nothing
*
* NOTES
* If the path contains a single quote only, an empty string will result.
* Otherwise quotes are only removed if they appear at the start and end
* of the path.
*/
VOID WINAPI PathUnquoteSpacesA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath && *lpszPath == '"')
{
DWORD dwLen = strlen(lpszPath) - 1;
if (lpszPath[dwLen] == '"')
{
lpszPath[dwLen] = '\0';
for (; *lpszPath; lpszPath++)
*lpszPath = lpszPath[1];
}
}
}
/*************************************************************************
* PathUnquoteSpacesW [SHLWAPI.@]
*
* See PathUnquoteSpacesA.
*/
VOID WINAPI PathUnquoteSpacesW(LPWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath && *lpszPath == '"')
{
DWORD dwLen = strlenW(lpszPath) - 1;
if (lpszPath[dwLen] == '"')
{
lpszPath[dwLen] = '\0';
for (; *lpszPath; lpszPath++)
*lpszPath = lpszPath[1];
}
}
}
/*************************************************************************
* PathParseIconLocationA [SHLWAPI.@]
*
* Parse the location of an icon from a path.
*
* PARAMS
* lpszPath [I/O] The path to parse the icon location from.
*
* RETURNS
* Success: The number of the icon
* Failure: 0 if the path does not contain an icon location or is NULL
*
* NOTES
* The path has surrounding quotes and spaces removed regardless
* of whether the call succeeds or not.
*/
int WINAPI PathParseIconLocationA(LPSTR lpszPath)
{
int iRet = 0;
LPSTR lpszComma;
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath)
{
if ((lpszComma = strchr(lpszPath, ',')))
{
*lpszComma++ = '\0';
iRet = StrToIntA(lpszComma);
}
PathUnquoteSpacesA(lpszPath);
PathRemoveBlanksA(lpszPath);
}
return iRet;
}
/*************************************************************************
* PathParseIconLocationW [SHLWAPI.@]
*
* See PathParseIconLocationA.
*/
int WINAPI PathParseIconLocationW(LPWSTR lpszPath)
{
int iRet = 0;
LPWSTR lpszComma;
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath)
{
if ((lpszComma = StrChrW(lpszPath, ',')))
{
*lpszComma++ = '\0';
iRet = StrToIntW(lpszComma);
}
PathUnquoteSpacesW(lpszPath);
PathRemoveBlanksW(lpszPath);
}
return iRet;
}
/*************************************************************************
* @ [SHLWAPI.4]
*
* Unicode version of PathFileExistsDefExtA.
*/
BOOL WINAPI PathFileExistsDefExtW(LPWSTR lpszPath,DWORD dwWhich)
{
static const WCHAR pszExts[][5] = { { '.', 'p', 'i', 'f', 0},
{ '.', 'c', 'o', 'm', 0},
{ '.', 'e', 'x', 'e', 0},
{ '.', 'b', 'a', 't', 0},
{ '.', 'l', 'n', 'k', 0},
{ '.', 'c', 'm', 'd', 0},
{ 0, 0, 0, 0, 0} };
TRACE("(%s,%d)\n", debugstr_w(lpszPath), dwWhich);
if (!lpszPath || PathIsUNCServerW(lpszPath) || PathIsUNCServerShareW(lpszPath))
return FALSE;
if (dwWhich)
{
LPCWSTR szExt = PathFindExtensionW(lpszPath);
if (!*szExt || dwWhich & 0x40)
{
size_t iChoose = 0;
int iLen = lstrlenW(lpszPath);
if (iLen > (MAX_PATH - 5))
return FALSE;
while ( (dwWhich & 0x1) && pszExts[iChoose][0] )
{
lstrcpyW(lpszPath + iLen, pszExts[iChoose]);
if (PathFileExistsW(lpszPath))
return TRUE;
iChoose++;
dwWhich >>= 1;
}
*(lpszPath + iLen) = (WCHAR)'\0';
return FALSE;
}
}
return PathFileExistsW(lpszPath);
}
/*************************************************************************
* @ [SHLWAPI.3]
*
* Determine if a file exists locally and is of an executable type.
*
* PARAMS
* lpszPath [I/O] File to search for
* dwWhich [I] Type of executable to search for
*
* RETURNS
* TRUE If the file was found. lpszPath contains the file name.
* FALSE Otherwise.
*
* NOTES
* lpszPath is modified in place and must be at least MAX_PATH in length.
* If the function returns FALSE, the path is modified to its original state.
* If the given path contains an extension or dwWhich is 0, executable
* extensions are not checked.
*
* Ordinals 3-6 are a classic case of MS exposing limited functionality to
* users (here through PathFindOnPathA()) and keeping advanced functionality for
* their own developers exclusive use. Monopoly, anyone?
*/
BOOL WINAPI PathFileExistsDefExtA(LPSTR lpszPath,DWORD dwWhich)
{
BOOL bRet = FALSE;
TRACE("(%s,%d)\n", debugstr_a(lpszPath), dwWhich);
if (lpszPath)
{
WCHAR szPath[MAX_PATH];
MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
bRet = PathFileExistsDefExtW(szPath, dwWhich);
if (bRet)
WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* SHLWAPI_PathFindInOtherDirs
*
* Internal helper for SHLWAPI_PathFindOnPathExA/W.
*/
static BOOL SHLWAPI_PathFindInOtherDirs(LPWSTR lpszFile, DWORD dwWhich)
{
static const WCHAR szSystem[] = { 'S','y','s','t','e','m','\0'};
static const WCHAR szPath[] = { 'P','A','T','H','\0'};
DWORD dwLenPATH;
LPCWSTR lpszCurr;
WCHAR *lpszPATH;
WCHAR buff[MAX_PATH];
TRACE("(%s,%08x)\n", debugstr_w(lpszFile), dwWhich);
/* Try system directories */
GetSystemDirectoryW(buff, MAX_PATH);
if (!PathAppendW(buff, lpszFile))
return FALSE;
if (PathFileExistsDefExtW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
GetWindowsDirectoryW(buff, MAX_PATH);
if (!PathAppendW(buff, szSystem ) || !PathAppendW(buff, lpszFile))
return FALSE;
if (PathFileExistsDefExtW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
GetWindowsDirectoryW(buff, MAX_PATH);
if (!PathAppendW(buff, lpszFile))
return FALSE;
if (PathFileExistsDefExtW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
/* Try dirs listed in %PATH% */
dwLenPATH = GetEnvironmentVariableW(szPath, buff, MAX_PATH);
if (!dwLenPATH || !(lpszPATH = HeapAlloc(GetProcessHeap(), 0, (dwLenPATH + 1) * sizeof (WCHAR))))
return FALSE;
GetEnvironmentVariableW(szPath, lpszPATH, dwLenPATH + 1);
lpszCurr = lpszPATH;
while (lpszCurr)
{
LPCWSTR lpszEnd = lpszCurr;
LPWSTR pBuff = buff;
while (*lpszEnd == ' ')
lpszEnd++;
while (*lpszEnd && *lpszEnd != ';')
*pBuff++ = *lpszEnd++;
*pBuff = '\0';
if (*lpszEnd)
lpszCurr = lpszEnd + 1;
else
lpszCurr = NULL; /* Last Path, terminate after this */
if (!PathAppendW(buff, lpszFile))
{
HeapFree(GetProcessHeap(), 0, lpszPATH);
return FALSE;
}
if (PathFileExistsDefExtW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
HeapFree(GetProcessHeap(), 0, lpszPATH);
return TRUE;
}
}
HeapFree(GetProcessHeap(), 0, lpszPATH);
return FALSE;
}
/*************************************************************************
* @ [SHLWAPI.5]
*
* Search a range of paths for a specific type of executable.
*
* PARAMS
* lpszFile [I/O] File to search for
* lppszOtherDirs [I] Other directories to look in
* dwWhich [I] Type of executable to search for
*
* RETURNS
* Success: TRUE. The path to the executable is stored in lpszFile.
* Failure: FALSE. The path to the executable is unchanged.
*/
BOOL WINAPI PathFindOnPathExA(LPSTR lpszFile,LPCSTR *lppszOtherDirs,DWORD dwWhich)
{
WCHAR szFile[MAX_PATH];
WCHAR buff[MAX_PATH];
TRACE("(%s,%p,%08x)\n", debugstr_a(lpszFile), lppszOtherDirs, dwWhich);
if (!lpszFile || !PathIsFileSpecA(lpszFile))
return FALSE;
MultiByteToWideChar(CP_ACP,0,lpszFile,-1,szFile,MAX_PATH);
/* Search provided directories first */
if (lppszOtherDirs && *lppszOtherDirs)
{
WCHAR szOther[MAX_PATH];
LPCSTR *lpszOtherPath = lppszOtherDirs;
while (lpszOtherPath && *lpszOtherPath && (*lpszOtherPath)[0])
{
MultiByteToWideChar(CP_ACP,0,*lpszOtherPath,-1,szOther,MAX_PATH);
PathCombineW(buff, szOther, szFile);
if (PathFileExistsDefExtW(buff, dwWhich))
{
WideCharToMultiByte(CP_ACP,0,buff,-1,lpszFile,MAX_PATH,0,0);
return TRUE;
}
lpszOtherPath++;
}
}
/* Not found, try system and path dirs */
if (SHLWAPI_PathFindInOtherDirs(szFile, dwWhich))
{
WideCharToMultiByte(CP_ACP,0,szFile,-1,lpszFile,MAX_PATH,0,0);
return TRUE;
}
return FALSE;
}
/*************************************************************************
* @ [SHLWAPI.6]
*
* Unicode version of PathFindOnPathExA.
*/
BOOL WINAPI PathFindOnPathExW(LPWSTR lpszFile,LPCWSTR *lppszOtherDirs,DWORD dwWhich)
{
WCHAR buff[MAX_PATH];
TRACE("(%s,%p,%08x)\n", debugstr_w(lpszFile), lppszOtherDirs, dwWhich);
if (!lpszFile || !PathIsFileSpecW(lpszFile))
return FALSE;
/* Search provided directories first */
if (lppszOtherDirs && *lppszOtherDirs)
{
LPCWSTR *lpszOtherPath = lppszOtherDirs;
while (lpszOtherPath && *lpszOtherPath && (*lpszOtherPath)[0])
{
PathCombineW(buff, *lpszOtherPath, lpszFile);
if (PathFileExistsDefExtW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
lpszOtherPath++;
}
}
/* Not found, try system and path dirs */
return SHLWAPI_PathFindInOtherDirs(lpszFile, dwWhich);
}
/*************************************************************************
* PathFindOnPathA [SHLWAPI.@]
*
* Search a range of paths for an executable.
*
* PARAMS
* lpszFile [I/O] File to search for
* lppszOtherDirs [I] Other directories to look in
*
* RETURNS
* Success: TRUE. The path to the executable is stored in lpszFile.
* Failure: FALSE. The path to the executable is unchanged.
*/
BOOL WINAPI PathFindOnPathA(LPSTR lpszFile, LPCSTR *lppszOtherDirs)
{
TRACE("(%s,%p)\n", debugstr_a(lpszFile), lppszOtherDirs);
return PathFindOnPathExA(lpszFile, lppszOtherDirs, 0);
}
/*************************************************************************
* PathFindOnPathW [SHLWAPI.@]
*
* See PathFindOnPathA.
*/
BOOL WINAPI PathFindOnPathW(LPWSTR lpszFile, LPCWSTR *lppszOtherDirs)
{
TRACE("(%s,%p)\n", debugstr_w(lpszFile), lppszOtherDirs);
return PathFindOnPathExW(lpszFile,lppszOtherDirs, 0);
}
/*************************************************************************
* PathCompactPathExA [SHLWAPI.@]
*
* Compact a path into a given number of characters.
*
* PARAMS
* lpszDest [O] Destination for compacted path
* lpszPath [I] Source path
* cchMax [I] Maximum size of compacted path
* dwFlags [I] Reserved
*
* RETURNS
* Success: TRUE. The compacted path is written to lpszDest.
* Failure: FALSE. lpszPath is undefined.
*
* NOTES
* If cchMax is given as 0, lpszDest will still be NUL terminated.
*
* The Win32 version of this function contains a bug: When cchMax == 7,
* 8 bytes will be written to lpszDest. This bug is fixed in the Wine
* implementation.
*
* Some relative paths will be different when cchMax == 5 or 6. This occurs
* because Win32 will insert a "\" in lpszDest, even if one is
* not present in the original path.
*/
BOOL WINAPI PathCompactPathExA(LPSTR lpszDest, LPCSTR lpszPath,
UINT cchMax, DWORD dwFlags)
{
BOOL bRet = FALSE;
TRACE("(%p,%s,%d,0x%08x)\n", lpszDest, debugstr_a(lpszPath), cchMax, dwFlags);
if (lpszPath && lpszDest)
{
WCHAR szPath[MAX_PATH];
WCHAR szDest[MAX_PATH];
MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
szDest[0] = '\0';
bRet = PathCompactPathExW(szDest, szPath, cchMax, dwFlags);
WideCharToMultiByte(CP_ACP,0,szDest,-1,lpszDest,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* PathCompactPathExW [SHLWAPI.@]
*
* See PathCompactPathExA.
*/
BOOL WINAPI PathCompactPathExW(LPWSTR lpszDest, LPCWSTR lpszPath,
UINT cchMax, DWORD dwFlags)
{
static const WCHAR szEllipses[] = { '.', '.', '.', '\0' };
LPCWSTR lpszFile;
DWORD dwLen, dwFileLen = 0;
TRACE("(%p,%s,%d,0x%08x)\n", lpszDest, debugstr_w(lpszPath), cchMax, dwFlags);
if (!lpszPath)
return FALSE;
if (!lpszDest)
{
WARN("Invalid lpszDest would crash under Win32!\n");
return FALSE;
}
*lpszDest = '\0';
if (cchMax < 2)
return TRUE;
dwLen = strlenW(lpszPath) + 1;
if (dwLen < cchMax)
{
/* Don't need to compact */
memcpy(lpszDest, lpszPath, dwLen * sizeof(WCHAR));
return TRUE;
}
/* Path must be compacted to fit into lpszDest */
lpszFile = PathFindFileNameW(lpszPath);
dwFileLen = lpszPath + dwLen - lpszFile;
if (dwFileLen == dwLen)
{
/* No root in psth */
if (cchMax <= 4)
{
while (--cchMax > 0) /* No room left for anything but ellipses */
*lpszDest++ = '.';
*lpszDest = '\0';
return TRUE;
}
/* Compact the file name with ellipses at the end */
cchMax -= 4;
memcpy(lpszDest, lpszFile, cchMax * sizeof(WCHAR));
strcpyW(lpszDest + cchMax, szEllipses);
return TRUE;
}
/* We have a root in the path */
lpszFile--; /* Start compacted filename with the path separator */
dwFileLen++;
if (dwFileLen + 3 > cchMax)
{
/* Compact the file name */
if (cchMax <= 4)
{
while (--cchMax > 0) /* No room left for anything but ellipses */
*lpszDest++ = '.';
*lpszDest = '\0';
return TRUE;
}
strcpyW(lpszDest, szEllipses);
lpszDest += 3;
cchMax -= 4;
*lpszDest++ = *lpszFile++;
if (cchMax <= 4)
{
while (--cchMax > 0) /* No room left for anything but ellipses */
*lpszDest++ = '.';
*lpszDest = '\0';
return TRUE;
}
cchMax -= 4;
memcpy(lpszDest, lpszFile, cchMax * sizeof(WCHAR));
strcpyW(lpszDest + cchMax, szEllipses);
return TRUE;
}
/* Only the root needs to be Compacted */
dwLen = cchMax - dwFileLen - 3;
memcpy(lpszDest, lpszPath, dwLen * sizeof(WCHAR));
strcpyW(lpszDest + dwLen, szEllipses);
strcpyW(lpszDest + dwLen + 3, lpszFile);
return TRUE;
}
/*************************************************************************
* PathIsRelativeA [SHLWAPI.@]
*
* Determine if a path is a relative path.
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE: The path is relative, or is invalid.
* FALSE: The path is not relative.
*/
BOOL WINAPI PathIsRelativeA (LPCSTR lpszPath)
{
TRACE("(%s)\n",debugstr_a(lpszPath));
if (!lpszPath || !*lpszPath || IsDBCSLeadByte(*lpszPath))
return TRUE;
if (*lpszPath == '\\' || (*lpszPath && lpszPath[1] == ':'))
return FALSE;
return TRUE;
}
/*************************************************************************
* PathIsRelativeW [SHLWAPI.@]
*
* See PathIsRelativeA.
*/
BOOL WINAPI PathIsRelativeW (LPCWSTR lpszPath)
{
TRACE("(%s)\n",debugstr_w(lpszPath));
if (!lpszPath || !*lpszPath)
return TRUE;
if (*lpszPath == '\\' || (*lpszPath && lpszPath[1] == ':'))
return FALSE;
return TRUE;
}
/*************************************************************************
* PathIsRootA [SHLWAPI.@]
*
* Determine if a path is a root path.
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE If lpszPath is valid and a root path,
* FALSE Otherwise
*/
BOOL WINAPI PathIsRootA(LPCSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath && *lpszPath)
{
if (*lpszPath == '\\')
{
if (!lpszPath[1])
return TRUE; /* \ */
else if (lpszPath[1]=='\\')
{
BOOL bSeenSlash = FALSE;
lpszPath += 2;
/* Check for UNC root path */
while (*lpszPath)
{
if (*lpszPath == '\\')
{
if (bSeenSlash)
return FALSE;
bSeenSlash = TRUE;
}
lpszPath = CharNextA(lpszPath);
}
return TRUE;
}
}
else if (lpszPath[1] == ':' && lpszPath[2] == '\\' && lpszPath[3] == '\0')
return TRUE; /* X:\ */
}
return FALSE;
}
/*************************************************************************
* PathIsRootW [SHLWAPI.@]
*
* See PathIsRootA.
*/
BOOL WINAPI PathIsRootW(LPCWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath && *lpszPath)
{
if (*lpszPath == '\\')
{
if (!lpszPath[1])
return TRUE; /* \ */
else if (lpszPath[1]=='\\')
{
BOOL bSeenSlash = FALSE;
lpszPath += 2;
/* Check for UNC root path */
while (*lpszPath)
{
if (*lpszPath == '\\')
{
if (bSeenSlash)
return FALSE;
bSeenSlash = TRUE;
}
lpszPath++;
}
return TRUE;
}
}
else if (lpszPath[1] == ':' && lpszPath[2] == '\\' && lpszPath[3] == '\0')
return TRUE; /* X:\ */
}
return FALSE;
}
/*************************************************************************
* PathIsDirectoryA [SHLWAPI.@]
*
* Determine if a path is a valid directory
*
* PARAMS
* lpszPath [I] Path to check.
*
* RETURNS
* FILE_ATTRIBUTE_DIRECTORY if lpszPath exists and can be read (See Notes)
* FALSE if lpszPath is invalid or not a directory.
*
* NOTES
* Although this function is prototyped as returning a BOOL, it returns
* FILE_ATTRIBUTE_DIRECTORY for success. This means that code such as:
*
*| if (PathIsDirectoryA("c:\\windows\\") == TRUE)
*| ...
*
* will always fail.
*/
BOOL WINAPI PathIsDirectoryA(LPCSTR lpszPath)
{
DWORD dwAttr;
TRACE("(%s)\n", debugstr_a(lpszPath));
if (!lpszPath || PathIsUNCServerA(lpszPath))
return FALSE;
if (PathIsUNCServerShareA(lpszPath))
{
FIXME("UNC Server Share not yet supported - FAILING\n");
return FALSE;
}
if ((dwAttr = GetFileAttributesA(lpszPath)) == INVALID_FILE_ATTRIBUTES)
return FALSE;
return dwAttr & FILE_ATTRIBUTE_DIRECTORY;
}
/*************************************************************************
* PathIsDirectoryW [SHLWAPI.@]
*
* See PathIsDirectoryA.
*/
BOOL WINAPI PathIsDirectoryW(LPCWSTR lpszPath)
{
DWORD dwAttr;
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath || PathIsUNCServerW(lpszPath))
return FALSE;
if (PathIsUNCServerShareW(lpszPath))
{
FIXME("UNC Server Share not yet supported - FAILING\n");
return FALSE;
}
if ((dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES)
return FALSE;
return dwAttr & FILE_ATTRIBUTE_DIRECTORY;
}
/*************************************************************************
* PathFileExistsA [SHLWAPI.@]
*
* Determine if a file exists.
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE If the file exists and is readable
* FALSE Otherwise
*/
BOOL WINAPI PathFileExistsA(LPCSTR lpszPath)
{
UINT iPrevErrMode;
DWORD dwAttr;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (!lpszPath)
return FALSE;
/* Prevent a dialog box if path is on a disk that has been ejected. */
iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
dwAttr = GetFileAttributesA(lpszPath);
SetErrorMode(iPrevErrMode);
return dwAttr != INVALID_FILE_ATTRIBUTES;
}
/*************************************************************************
* PathFileExistsW [SHLWAPI.@]
*
* See PathFileExistsA.
*/
BOOL WINAPI PathFileExistsW(LPCWSTR lpszPath)
{
UINT iPrevErrMode;
DWORD dwAttr;
TRACE("(%s)\n",debugstr_w(lpszPath));
if (!lpszPath)
return FALSE;
iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
dwAttr = GetFileAttributesW(lpszPath);
SetErrorMode(iPrevErrMode);
return dwAttr != INVALID_FILE_ATTRIBUTES;
}
/*************************************************************************
* PathFileExistsAndAttributesA [SHLWAPI.445]
*
* Determine if a file exists.
*
* PARAMS
* lpszPath [I] Path to check
* dwAttr [O] attributes of file
*
* RETURNS
* TRUE If the file exists and is readable
* FALSE Otherwise
*/
BOOL WINAPI PathFileExistsAndAttributesA(LPCSTR lpszPath, DWORD *dwAttr)
{
UINT iPrevErrMode;
DWORD dwVal = 0;
TRACE("(%s %p)\n", debugstr_a(lpszPath), dwAttr);
if (dwAttr)
*dwAttr = INVALID_FILE_ATTRIBUTES;
if (!lpszPath)
return FALSE;
iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
dwVal = GetFileAttributesA(lpszPath);
SetErrorMode(iPrevErrMode);
if (dwAttr)
*dwAttr = dwVal;
return (dwVal != INVALID_FILE_ATTRIBUTES);
}
/*************************************************************************
* PathFileExistsAndAttributesW [SHLWAPI.446]
*
* See PathFileExistsA.
*/
BOOL WINAPI PathFileExistsAndAttributesW(LPCWSTR lpszPath, DWORD *dwAttr)
{
UINT iPrevErrMode;
DWORD dwVal;
TRACE("(%s %p)\n", debugstr_w(lpszPath), dwAttr);
if (!lpszPath)
return FALSE;
iPrevErrMode = SetErrorMode(SEM_FAILCRITICALERRORS);
dwVal = GetFileAttributesW(lpszPath);
SetErrorMode(iPrevErrMode);
if (dwAttr)
*dwAttr = dwVal;
return (dwVal != INVALID_FILE_ATTRIBUTES);
}
/*************************************************************************
* PathMatchSingleMaskA [internal]
*/
static BOOL PathMatchSingleMaskA(LPCSTR name, LPCSTR mask)
{
while (*name && *mask && *mask!=';')
{
if (*mask == '*')
{
do
{
if (PathMatchSingleMaskA(name,mask+1))
return TRUE; /* try substrings */
} while (*name++);
return FALSE;
}
if (toupper(*mask) != toupper(*name) && *mask != '?')
return FALSE;
name = CharNextA(name);
mask = CharNextA(mask);
}
if (!*name)
{
while (*mask == '*')
mask++;
if (!*mask || *mask == ';')
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathMatchSingleMaskW [internal]
*/
static BOOL PathMatchSingleMaskW(LPCWSTR name, LPCWSTR mask)
{
while (*name && *mask && *mask != ';')
{
if (*mask == '*')
{
do
{
if (PathMatchSingleMaskW(name,mask+1))
return TRUE; /* try substrings */
} while (*name++);
return FALSE;
}
if (toupperW(*mask) != toupperW(*name) && *mask != '?')
return FALSE;
name++;
mask++;
}
if (!*name)
{
while (*mask == '*')
mask++;
if (!*mask || *mask == ';')
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathMatchSpecA [SHLWAPI.@]
*
* Determine if a path matches one or more search masks.
*
* PARAMS
* lpszPath [I] Path to check
* lpszMask [I] Search mask(s)
*
* RETURNS
* TRUE If lpszPath is valid and is matched
* FALSE Otherwise
*
* NOTES
* Multiple search masks may be given if they are separated by ";". The
* pattern "*.*" is treated specially in that it matches all paths (for
* backwards compatibility with DOS).
*/
BOOL WINAPI PathMatchSpecA(LPCSTR lpszPath, LPCSTR lpszMask)
{
TRACE("(%s,%s)\n", lpszPath, lpszMask);
if (!lstrcmpA(lpszMask, "*.*"))
return TRUE; /* Matches every path */
while (*lpszMask)
{
while (*lpszMask == ' ')
lpszMask++; /* Eat leading spaces */
if (PathMatchSingleMaskA(lpszPath, lpszMask))
return TRUE; /* Matches the current mask */
while (*lpszMask && *lpszMask != ';')
lpszMask = CharNextA(lpszMask); /* masks separated by ';' */
if (*lpszMask == ';')
lpszMask++;
}
return FALSE;
}
/*************************************************************************
* PathMatchSpecW [SHLWAPI.@]
*
* See PathMatchSpecA.
*/
BOOL WINAPI PathMatchSpecW(LPCWSTR lpszPath, LPCWSTR lpszMask)
{
static const WCHAR szStarDotStar[] = { '*', '.', '*', '\0' };
TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszMask));
if (!lstrcmpW(lpszMask, szStarDotStar))
return TRUE; /* Matches every path */
while (*lpszMask)
{
while (*lpszMask == ' ')
lpszMask++; /* Eat leading spaces */
if (PathMatchSingleMaskW(lpszPath, lpszMask))
return TRUE; /* Matches the current path */
while (*lpszMask && *lpszMask != ';')
lpszMask++; /* masks separated by ';' */
if (*lpszMask == ';')
lpszMask++;
}
return FALSE;
}
/*************************************************************************
* PathIsSameRootA [SHLWAPI.@]
*
* Determine if two paths share the same root.
*
* PARAMS
* lpszPath1 [I] Source path
* lpszPath2 [I] Path to compare with
*
* RETURNS
* TRUE If both paths are valid and share the same root.
* FALSE If either path is invalid or the paths do not share the same root.
*/
BOOL WINAPI PathIsSameRootA(LPCSTR lpszPath1, LPCSTR lpszPath2)
{
LPCSTR lpszStart;
int dwLen;
TRACE("(%s,%s)\n", debugstr_a(lpszPath1), debugstr_a(lpszPath2));
if (!lpszPath1 || !lpszPath2 || !(lpszStart = PathSkipRootA(lpszPath1)))
return FALSE;
dwLen = PathCommonPrefixA(lpszPath1, lpszPath2, NULL) + 1;
if (lpszStart - lpszPath1 > dwLen)
return FALSE; /* Paths not common up to length of the root */
return TRUE;
}
/*************************************************************************
* PathIsSameRootW [SHLWAPI.@]
*
* See PathIsSameRootA.
*/
BOOL WINAPI PathIsSameRootW(LPCWSTR lpszPath1, LPCWSTR lpszPath2)
{
LPCWSTR lpszStart;
int dwLen;
TRACE("(%s,%s)\n", debugstr_w(lpszPath1), debugstr_w(lpszPath2));
if (!lpszPath1 || !lpszPath2 || !(lpszStart = PathSkipRootW(lpszPath1)))
return FALSE;
dwLen = PathCommonPrefixW(lpszPath1, lpszPath2, NULL) + 1;
if (lpszStart - lpszPath1 > dwLen)
return FALSE; /* Paths not common up to length of the root */
return TRUE;
}
/*************************************************************************
* PathIsContentTypeA [SHLWAPI.@]
*
* Determine if a file is of a given registered content type.
*
* PARAMS
* lpszPath [I] File to check
* lpszContentType [I] Content type to check for
*
* RETURNS
* TRUE If lpszPath is a given registered content type,
* FALSE Otherwise.
*
* NOTES
* This function looks up the registered content type for lpszPath. If
* a content type is registered, it is compared (case insensitively) to
* lpszContentType. Only if this matches does the function succeed.
*/
BOOL WINAPI PathIsContentTypeA(LPCSTR lpszPath, LPCSTR lpszContentType)
{
LPCSTR szExt;
DWORD dwDummy;
char szBuff[MAX_PATH];
TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszContentType));
if (lpszPath && (szExt = PathFindExtensionA(lpszPath)) && *szExt &&
!SHGetValueA(HKEY_CLASSES_ROOT, szExt, "Content Type",
REG_NONE, szBuff, &dwDummy) &&
!strcasecmp(lpszContentType, szBuff))
{
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathIsContentTypeW [SHLWAPI.@]
*
* See PathIsContentTypeA.
*/
BOOL WINAPI PathIsContentTypeW(LPCWSTR lpszPath, LPCWSTR lpszContentType)
{
static const WCHAR szContentType[] = { 'C','o','n','t','e','n','t',' ','T','y','p','e','\0' };
LPCWSTR szExt;
DWORD dwDummy;
WCHAR szBuff[MAX_PATH];
TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszContentType));
if (lpszPath && (szExt = PathFindExtensionW(lpszPath)) && *szExt &&
!SHGetValueW(HKEY_CLASSES_ROOT, szExt, szContentType,
REG_NONE, szBuff, &dwDummy) &&
!strcmpiW(lpszContentType, szBuff))
{
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathIsFileSpecA [SHLWAPI.@]
*
* Determine if a path is a file specification.
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE If lpszPath is a file specification (i.e. Contains no directories).
* FALSE Otherwise.
*/
BOOL WINAPI PathIsFileSpecA(LPCSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (!lpszPath)
return FALSE;
while (*lpszPath)
{
if (*lpszPath == '\\' || *lpszPath == ':')
return FALSE;
lpszPath = CharNextA(lpszPath);
}
return TRUE;
}
/*************************************************************************
* PathIsFileSpecW [SHLWAPI.@]
*
* See PathIsFileSpecA.
*/
BOOL WINAPI PathIsFileSpecW(LPCWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath)
return FALSE;
while (*lpszPath)
{
if (*lpszPath == '\\' || *lpszPath == ':')
return FALSE;
lpszPath++;
}
return TRUE;
}
/*************************************************************************
* PathIsPrefixA [SHLWAPI.@]
*
* Determine if a path is a prefix of another.
*
* PARAMS
* lpszPrefix [I] Prefix
* lpszPath [I] Path to check
*
* RETURNS
* TRUE If lpszPath has lpszPrefix as its prefix,
* FALSE If either path is NULL or lpszPrefix is not a prefix
*/
BOOL WINAPI PathIsPrefixA (LPCSTR lpszPrefix, LPCSTR lpszPath)
{
TRACE("(%s,%s)\n", debugstr_a(lpszPrefix), debugstr_a(lpszPath));
if (lpszPrefix && lpszPath &&
PathCommonPrefixA(lpszPath, lpszPrefix, NULL) == (int)strlen(lpszPrefix))
return TRUE;
return FALSE;
}
/*************************************************************************
* PathIsPrefixW [SHLWAPI.@]
*
* See PathIsPrefixA.
*/
BOOL WINAPI PathIsPrefixW(LPCWSTR lpszPrefix, LPCWSTR lpszPath)
{
TRACE("(%s,%s)\n", debugstr_w(lpszPrefix), debugstr_w(lpszPath));
if (lpszPrefix && lpszPath &&
PathCommonPrefixW(lpszPath, lpszPrefix, NULL) == (int)strlenW(lpszPrefix))
return TRUE;
return FALSE;
}
/*************************************************************************
* PathIsSystemFolderA [SHLWAPI.@]
*
* Determine if a path or file attributes are a system folder.
*
* PARAMS
* lpszPath [I] Path to check.
* dwAttrib [I] Attributes to check, if lpszPath is NULL.
*
* RETURNS
* TRUE If lpszPath or dwAttrib are a system folder.
* FALSE If GetFileAttributesA() fails or neither parameter is a system folder.
*/
BOOL WINAPI PathIsSystemFolderA(LPCSTR lpszPath, DWORD dwAttrib)
{
TRACE("(%s,0x%08x)\n", debugstr_a(lpszPath), dwAttrib);
if (lpszPath && *lpszPath)
dwAttrib = GetFileAttributesA(lpszPath);
if (dwAttrib == INVALID_FILE_ATTRIBUTES || !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY) ||
!(dwAttrib & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)))
return FALSE;
return TRUE;
}
/*************************************************************************
* PathIsSystemFolderW [SHLWAPI.@]
*
* See PathIsSystemFolderA.
*/
BOOL WINAPI PathIsSystemFolderW(LPCWSTR lpszPath, DWORD dwAttrib)
{
TRACE("(%s,0x%08x)\n", debugstr_w(lpszPath), dwAttrib);
if (lpszPath && *lpszPath)
dwAttrib = GetFileAttributesW(lpszPath);
if (dwAttrib == INVALID_FILE_ATTRIBUTES || !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY) ||
!(dwAttrib & (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_READONLY)))
return FALSE;
return TRUE;
}
/*************************************************************************
* PathIsUNCA [SHLWAPI.@]
*
* Determine if a path is in UNC format.
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE: The path is UNC.
* FALSE: The path is not UNC or is NULL.
*/
BOOL WINAPI PathIsUNCA(LPCSTR lpszPath)
{
TRACE("(%s)\n",debugstr_a(lpszPath));
/*
* On Windows 2003, tests show that strings starting with "\\?" are
* considered UNC, while on Windows Vista+ this is not the case anymore.
*/
// #ifdef __REACTOS__
#if (WINVER >= _WIN32_WINNT_VISTA)
if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\') && (lpszPath[2]!='?'))
#else
if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
#endif
return TRUE;
return FALSE;
}
/*************************************************************************
* PathIsUNCW [SHLWAPI.@]
*
* See PathIsUNCA.
*/
BOOL WINAPI PathIsUNCW(LPCWSTR lpszPath)
{
TRACE("(%s)\n",debugstr_w(lpszPath));
/*
* On Windows 2003, tests show that strings starting with "\\?" are
* considered UNC, while on Windows Vista+ this is not the case anymore.
*/
// #ifdef __REACTOS__
#if (WINVER >= _WIN32_WINNT_VISTA)
if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\') && (lpszPath[2]!='?'))
#else
if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
#endif
return TRUE;
return FALSE;
}
/*************************************************************************
* PathIsUNCServerA [SHLWAPI.@]
*
* Determine if a path is a UNC server name ("\\SHARENAME").
*
* PARAMS
* lpszPath [I] Path to check.
*
* RETURNS
* TRUE If lpszPath is a valid UNC server name.
* FALSE Otherwise.
*
* NOTES
* This routine is bug compatible with Win32: Server names with a
* trailing backslash (e.g. "\\FOO\"), return FALSE incorrectly.
* Fixing this bug may break other shlwapi functions!
*/
BOOL WINAPI PathIsUNCServerA(LPCSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
{
while (*lpszPath)
{
if (*lpszPath == '\\')
return FALSE;
lpszPath = CharNextA(lpszPath);
}
return TRUE;
}
return FALSE;
}
/*************************************************************************
* PathIsUNCServerW [SHLWAPI.@]
*
* See PathIsUNCServerA.
*/
BOOL WINAPI PathIsUNCServerW(LPCWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath && lpszPath[0] == '\\' && lpszPath[1] == '\\')
{
return !strchrW( lpszPath + 2, '\\' );
}
return FALSE;
}
/*************************************************************************
* PathIsUNCServerShareA [SHLWAPI.@]
*
* Determine if a path is a UNC server share ("\\SHARENAME\SHARE").
*
* PARAMS
* lpszPath [I] Path to check.
*
* RETURNS
* TRUE If lpszPath is a valid UNC server share.
* FALSE Otherwise.
*
* NOTES
* This routine is bug compatible with Win32: Server shares with a
* trailing backslash (e.g. "\\FOO\BAR\"), return FALSE incorrectly.
* Fixing this bug may break other shlwapi functions!
*/
BOOL WINAPI PathIsUNCServerShareA(LPCSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
{
BOOL bSeenSlash = FALSE;
while (*lpszPath)
{
if (*lpszPath == '\\')
{
if (bSeenSlash)
return FALSE;
bSeenSlash = TRUE;
}
lpszPath = CharNextA(lpszPath);
}
return bSeenSlash;
}
return FALSE;
}
/*************************************************************************
* PathIsUNCServerShareW [SHLWAPI.@]
*
* See PathIsUNCServerShareA.
*/
BOOL WINAPI PathIsUNCServerShareW(LPCWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath && *lpszPath++ == '\\' && *lpszPath++ == '\\')
{
BOOL bSeenSlash = FALSE;
while (*lpszPath)
{
if (*lpszPath == '\\')
{
if (bSeenSlash)
return FALSE;
bSeenSlash = TRUE;
}
lpszPath++;
}
return bSeenSlash;
}
return FALSE;
}
/*************************************************************************
* PathCanonicalizeA [SHLWAPI.@]
*
* Convert a path to its canonical form.
*
* PARAMS
* lpszBuf [O] Output path
* lpszPath [I] Path to canonicalize
*
* RETURNS
* Success: TRUE. lpszBuf contains the output path,
* Failure: FALSE, If input path is invalid. lpszBuf is undefined
*/
BOOL WINAPI PathCanonicalizeA(LPSTR lpszBuf, LPCSTR lpszPath)
{
BOOL bRet = FALSE;
TRACE("(%p,%s)\n", lpszBuf, debugstr_a(lpszPath));
if (lpszBuf)
*lpszBuf = '\0';
if (!lpszBuf || !lpszPath)
SetLastError(ERROR_INVALID_PARAMETER);
else
{
WCHAR szPath[MAX_PATH];
WCHAR szBuff[MAX_PATH];
int ret = MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
if (!ret) {
WARN("Failed to convert string to widechar (too long?), LE %d.\n", GetLastError());
return FALSE;
}
bRet = PathCanonicalizeW(szBuff, szPath);
WideCharToMultiByte(CP_ACP,0,szBuff,-1,lpszBuf,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* PathCanonicalizeW [SHLWAPI.@]
*
* See PathCanonicalizeA.
*/
BOOL WINAPI PathCanonicalizeW(LPWSTR lpszBuf, LPCWSTR lpszPath)
{
LPWSTR lpszDst = lpszBuf;
LPCWSTR lpszSrc = lpszPath;
TRACE("(%p,%s)\n", lpszBuf, debugstr_w(lpszPath));
if (lpszBuf)
*lpszDst = '\0';
if (!lpszBuf || !lpszPath)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (!*lpszPath)
{
*lpszBuf++ = '\\';
*lpszBuf = '\0';
return TRUE;
}
/* Copy path root */
if (*lpszSrc == '\\')
{
*lpszDst++ = *lpszSrc++;
}
else if (*lpszSrc && lpszSrc[1] == ':')
{
/* X:\ */
*lpszDst++ = *lpszSrc++;
*lpszDst++ = *lpszSrc++;
if (*lpszSrc == '\\')
*lpszDst++ = *lpszSrc++;
}
/* Canonicalize the rest of the path */
while (*lpszSrc)
{
if (*lpszSrc == '.')
{
if (lpszSrc[1] == '\\' && (lpszSrc == lpszPath || lpszSrc[-1] == '\\' || lpszSrc[-1] == ':'))
{
lpszSrc += 2; /* Skip .\ */
}
else if (lpszSrc[1] == '.' && (lpszDst == lpszBuf || lpszDst[-1] == '\\'))
{
/* \.. backs up a directory, over the root if it has no \ following X:.
* .. is ignored if it would remove a UNC server name or initial \\
*/
if (lpszDst != lpszBuf)
{
*lpszDst = '\0'; /* Allow PathIsUNCServerShareA test on lpszBuf */
if (lpszDst > lpszBuf+1 && lpszDst[-1] == '\\' &&
(lpszDst[-2] != '\\' || lpszDst > lpszBuf+2))
{
if (lpszDst[-2] == ':' && (lpszDst > lpszBuf+3 || lpszDst[-3] == ':'))
{
lpszDst -= 2;
while (lpszDst > lpszBuf && *lpszDst != '\\')
lpszDst--;
if (*lpszDst == '\\')
lpszDst++; /* Reset to last '\' */
else
lpszDst = lpszBuf; /* Start path again from new root */
}
else if (lpszDst[-2] != ':' && !PathIsUNCServerShareW(lpszBuf))
lpszDst -= 2;
}
while (lpszDst > lpszBuf && *lpszDst != '\\')
lpszDst--;
if (lpszDst == lpszBuf)
{
*lpszDst++ = '\\';
lpszSrc++;
}
}
lpszSrc += 2; /* Skip .. in src path */
}
else
*lpszDst++ = *lpszSrc++;
}
else
*lpszDst++ = *lpszSrc++;
}
/* Append \ to naked drive specs */
if (lpszDst - lpszBuf == 2 && lpszDst[-1] == ':')
*lpszDst++ = '\\';
*lpszDst++ = '\0';
return TRUE;
}
/*************************************************************************
* PathFindNextComponentA [SHLWAPI.@]
*
* Find the next component in a path.
*
* PARAMS
* lpszPath [I] Path to find next component in
*
* RETURNS
* Success: A pointer to the next component, or the end of the string.
* Failure: NULL, If lpszPath is invalid
*
* NOTES
* A 'component' is either a backslash character (\) or UNC marker (\\).
* Because of this, relative paths (e.g "c:foo") are regarded as having
* only one component.
*/
LPSTR WINAPI PathFindNextComponentA(LPCSTR lpszPath)
{
LPSTR lpszSlash;
TRACE("(%s)\n", debugstr_a(lpszPath));
if(!lpszPath || !*lpszPath)
return NULL;
if ((lpszSlash = StrChrA(lpszPath, '\\')))
{
if (lpszSlash[1] == '\\')
lpszSlash++;
return lpszSlash + 1;
}
return (LPSTR)lpszPath + strlen(lpszPath);
}
/*************************************************************************
* PathFindNextComponentW [SHLWAPI.@]
*
* See PathFindNextComponentA.
*/
LPWSTR WINAPI PathFindNextComponentW(LPCWSTR lpszPath)
{
LPWSTR lpszSlash;
TRACE("(%s)\n", debugstr_w(lpszPath));
if(!lpszPath || !*lpszPath)
return NULL;
if ((lpszSlash = StrChrW(lpszPath, '\\')))
{
if (lpszSlash[1] == '\\')
lpszSlash++;
return lpszSlash + 1;
}
return (LPWSTR)lpszPath + strlenW(lpszPath);
}
/*************************************************************************
* PathAddExtensionA [SHLWAPI.@]
*
* Add a file extension to a path
*
* PARAMS
* lpszPath [I/O] Path to add extension to
* lpszExtension [I] Extension to add to lpszPath
*
* RETURNS
* TRUE If the path was modified,
* FALSE If lpszPath or lpszExtension are invalid, lpszPath has an
* extension already, or the new path length is too big.
*
* FIXME
* What version of shlwapi.dll adds "exe" if lpszExtension is NULL? Win2k
* does not do this, so the behaviour was removed.
*/
BOOL WINAPI PathAddExtensionA(LPSTR lpszPath, LPCSTR lpszExtension)
{
size_t dwLen;
TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszExtension));
if (!lpszPath || !lpszExtension || *(PathFindExtensionA(lpszPath)))
return FALSE;
dwLen = strlen(lpszPath);
if (dwLen + strlen(lpszExtension) >= MAX_PATH)
return FALSE;
strcpy(lpszPath + dwLen, lpszExtension);
return TRUE;
}
/*************************************************************************
* PathAddExtensionW [SHLWAPI.@]
*
* See PathAddExtensionA.
*/
BOOL WINAPI PathAddExtensionW(LPWSTR lpszPath, LPCWSTR lpszExtension)
{
size_t dwLen;
TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszExtension));
if (!lpszPath || !lpszExtension || *(PathFindExtensionW(lpszPath)))
return FALSE;
dwLen = strlenW(lpszPath);
if (dwLen + strlenW(lpszExtension) >= MAX_PATH)
return FALSE;
strcpyW(lpszPath + dwLen, lpszExtension);
return TRUE;
}
/*************************************************************************
* PathMakePrettyA [SHLWAPI.@]
*
* Convert an uppercase DOS filename into lowercase.
*
* PARAMS
* lpszPath [I/O] Path to convert.
*
* RETURNS
* TRUE If the path was an uppercase DOS path and was converted,
* FALSE Otherwise.
*/
BOOL WINAPI PathMakePrettyA(LPSTR lpszPath)
{
LPSTR pszIter = lpszPath;
TRACE("(%s)\n", debugstr_a(lpszPath));
if (!pszIter)
return FALSE;
if (*pszIter)
{
do
{
if (islower(*pszIter) || IsDBCSLeadByte(*pszIter))
return FALSE; /* Not DOS path */
pszIter++;
} while (*pszIter);
pszIter = lpszPath + 1;
while (*pszIter)
{
*pszIter = tolower(*pszIter);
pszIter++;
}
}
return TRUE;
}
/*************************************************************************
* PathMakePrettyW [SHLWAPI.@]
*
* See PathMakePrettyA.
*/
BOOL WINAPI PathMakePrettyW(LPWSTR lpszPath)
{
LPWSTR pszIter = lpszPath;
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!pszIter)
return FALSE;
if (*pszIter)
{
do
{
if (islowerW(*pszIter))
return FALSE; /* Not DOS path */
pszIter++;
} while (*pszIter);
pszIter = lpszPath + 1;
while (*pszIter)
{
*pszIter = tolowerW(*pszIter);
pszIter++;
}
}
return TRUE;
}
/*************************************************************************
* PathCommonPrefixA [SHLWAPI.@]
*
* Determine the length of the common prefix between two paths.
*
* PARAMS
* lpszFile1 [I] First path for comparison
* lpszFile2 [I] Second path for comparison
* achPath [O] Destination for common prefix string
*
* RETURNS
* The length of the common prefix. This is 0 if there is no common
* prefix between the paths or if any parameters are invalid. If the prefix
* is non-zero and achPath is not NULL, achPath is filled with the common
* part of the prefix and NUL terminated.
*
* NOTES
* A common prefix of 2 is always returned as 3. It is thus possible for
* the length returned to be invalid (i.e. Longer than one or both of the
* strings given as parameters). This Win32 behaviour has been implemented
* here, and cannot be changed (fixed?) without breaking other SHLWAPI calls.
* To work around this when using this function, always check that the byte
* at [common_prefix_len-1] is not a NUL. If it is, deduct 1 from the prefix.
*/
int WINAPI PathCommonPrefixA(LPCSTR lpszFile1, LPCSTR lpszFile2, LPSTR achPath)
{
size_t iLen = 0;
LPCSTR lpszIter1 = lpszFile1;
LPCSTR lpszIter2 = lpszFile2;
TRACE("(%s,%s,%p)\n", debugstr_a(lpszFile1), debugstr_a(lpszFile2), achPath);
if (achPath)
*achPath = '\0';
if (!lpszFile1 || !lpszFile2)
return 0;
/* Handle roots first */
if (PathIsUNCA(lpszFile1))
{
if (!PathIsUNCA(lpszFile2))
return 0;
lpszIter1 += 2;
lpszIter2 += 2;
}
else if (PathIsUNCA(lpszFile2))
return 0; /* Know already lpszFile1 is not UNC */
do
{
/* Update len */
if ((!*lpszIter1 || *lpszIter1 == '\\') &&
(!*lpszIter2 || *lpszIter2 == '\\'))
iLen = lpszIter1 - lpszFile1; /* Common to this point */
if (!*lpszIter1 || (tolower(*lpszIter1) != tolower(*lpszIter2)))
break; /* Strings differ at this point */
lpszIter1++;
lpszIter2++;
} while (1);
if (iLen == 2)
iLen++; /* Feature/Bug compatible with Win32 */
if (iLen && achPath)
{
memcpy(achPath,lpszFile1,iLen);
achPath[iLen] = '\0';
}
return iLen;
}
/*************************************************************************
* PathCommonPrefixW [SHLWAPI.@]
*
* See PathCommonPrefixA.
*/
int WINAPI PathCommonPrefixW(LPCWSTR lpszFile1, LPCWSTR lpszFile2, LPWSTR achPath)
{
size_t iLen = 0;
LPCWSTR lpszIter1 = lpszFile1;
LPCWSTR lpszIter2 = lpszFile2;
TRACE("(%s,%s,%p)\n", debugstr_w(lpszFile1), debugstr_w(lpszFile2), achPath);
if (achPath)
*achPath = '\0';
if (!lpszFile1 || !lpszFile2)
return 0;
/* Handle roots first */
if (PathIsUNCW(lpszFile1))
{
if (!PathIsUNCW(lpszFile2))
return 0;
lpszIter1 += 2;
lpszIter2 += 2;
}
else if (PathIsUNCW(lpszFile2))
return 0; /* Know already lpszFile1 is not UNC */
do
{
/* Update len */
if ((!*lpszIter1 || *lpszIter1 == '\\') &&
(!*lpszIter2 || *lpszIter2 == '\\'))
iLen = lpszIter1 - lpszFile1; /* Common to this point */
if (!*lpszIter1 || (tolowerW(*lpszIter1) != tolowerW(*lpszIter2)))
break; /* Strings differ at this point */
lpszIter1++;
lpszIter2++;
} while (1);
if (iLen == 2)
iLen++; /* Feature/Bug compatible with Win32 */
if (iLen && achPath)
{
memcpy(achPath,lpszFile1,iLen * sizeof(WCHAR));
achPath[iLen] = '\0';
}
return iLen;
}
/*************************************************************************
* PathCompactPathA [SHLWAPI.@]
*
* Make a path fit into a given width when printed to a DC.
*
* PARAMS
* hDc [I] Destination DC
* lpszPath [I/O] Path to be printed to hDc
* dx [I] Desired width
*
* RETURNS
* TRUE If the path was modified/went well.
* FALSE Otherwise.
*/
BOOL WINAPI PathCompactPathA(HDC hDC, LPSTR lpszPath, UINT dx)
{
BOOL bRet = FALSE;
TRACE("(%p,%s,%d)\n", hDC, debugstr_a(lpszPath), dx);
if (lpszPath)
{
WCHAR szPath[MAX_PATH];
MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
bRet = PathCompactPathW(hDC, szPath, dx);
WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* PathCompactPathW [SHLWAPI.@]
*
* See PathCompactPathA.
*/
BOOL WINAPI PathCompactPathW(HDC hDC, LPWSTR lpszPath, UINT dx)
{
static const WCHAR szEllipses[] = { '.', '.', '.', '\0' };
BOOL bRet = TRUE;
HDC hdc = 0;
WCHAR buff[MAX_PATH];
SIZE size;
DWORD dwLen;
TRACE("(%p,%s,%d)\n", hDC, debugstr_w(lpszPath), dx);
if (!lpszPath)
return FALSE;
if (!hDC)
hdc = hDC = GetDC(0);
/* Get the length of the whole path */
dwLen = strlenW(lpszPath);
GetTextExtentPointW(hDC, lpszPath, dwLen, &size);
if ((UINT)size.cx > dx)
{
/* Path too big, must reduce it */
LPWSTR sFile;
DWORD dwEllipsesLen = 0, dwPathLen = 0;
sFile = PathFindFileNameW(lpszPath);
if (sFile != lpszPath) sFile--;
/* Get the size of ellipses */
GetTextExtentPointW(hDC, szEllipses, 3, &size);
dwEllipsesLen = size.cx;
/* Get the size of the file name */
GetTextExtentPointW(hDC, sFile, strlenW(sFile), &size);
dwPathLen = size.cx;
if (sFile != lpszPath)
{
LPWSTR sPath = sFile;
BOOL bEllipses = FALSE;
/* The path includes a file name. Include as much of the path prior to
* the file name as possible, allowing for the ellipses, e.g:
* c:\some very long path\filename ==> c:\some v...\filename
*/
lstrcpynW(buff, sFile, MAX_PATH);
do
{
DWORD dwTotalLen = bEllipses? dwPathLen + dwEllipsesLen : dwPathLen;
GetTextExtentPointW(hDC, lpszPath, sPath - lpszPath, &size);
dwTotalLen += size.cx;
if (dwTotalLen <= dx)
break;
sPath--;
if (!bEllipses)
{
bEllipses = TRUE;
sPath -= 2;
}
} while (sPath > lpszPath);
if (sPath > lpszPath)
{
if (bEllipses)
{
strcpyW(sPath, szEllipses);
strcpyW(sPath+3, buff);
}
bRet = TRUE;
goto end;
}
strcpyW(lpszPath, szEllipses);
strcpyW(lpszPath+3, buff);
bRet = FALSE;
goto end;
}
/* Trim the path by adding ellipses to the end, e.g:
* A very long file name.txt ==> A very...
*/
dwLen = strlenW(lpszPath);
if (dwLen > MAX_PATH - 3)
dwLen = MAX_PATH - 3;
lstrcpynW(buff, sFile, dwLen);
do {
dwLen--;
GetTextExtentPointW(hDC, buff, dwLen, &size);
} while (dwLen && size.cx + dwEllipsesLen > dx);
if (!dwLen)
{
DWORD dwWritten = 0;
dwEllipsesLen /= 3; /* Size of a single '.' */
/* Write as much of the Ellipses string as possible */
while (dwWritten + dwEllipsesLen < dx && dwLen < 3)
{
*lpszPath++ = '.';
dwWritten += dwEllipsesLen;
dwLen++;
}
*lpszPath = '\0';
bRet = FALSE;
}
else
{
strcpyW(buff + dwLen, szEllipses);
strcpyW(lpszPath, buff);
}
}
end:
if (hdc)
ReleaseDC(0, hdc);
return bRet;
}
/*************************************************************************
* PathGetCharTypeA [SHLWAPI.@]
*
* Categorise a character from a file path.
*
* PARAMS
* ch [I] Character to get the type of
*
* RETURNS
* A set of GCT_ bit flags (from "shlwapi.h") indicating the character type.
*/
UINT WINAPI PathGetCharTypeA(UCHAR ch)
{
return PathGetCharTypeW(ch);
}
/*************************************************************************
* PathGetCharTypeW [SHLWAPI.@]
*
* See PathGetCharTypeA.
*/
UINT WINAPI PathGetCharTypeW(WCHAR ch)
{
UINT flags = 0;
TRACE("(%d)\n", ch);
if (!ch || ch < ' ' || ch == '<' || ch == '>' ||
ch == '"' || ch == '|' || ch == '/')
flags = GCT_INVALID; /* Invalid */
else if (ch == '*' || ch=='?')
flags = GCT_WILD; /* Wildchars */
else if ((ch == '\\') || (ch == ':'))
return GCT_SEPARATOR; /* Path separators */
else
{
if (ch < 126)
{
if (((ch & 0x1) && ch != ';') || !ch || isalnum(ch) || ch == '$' || ch == '&' || ch == '(' ||
ch == '.' || ch == '@' || ch == '^' ||
ch == '\'' || ch == 130 || ch == '`')
flags |= GCT_SHORTCHAR; /* All these are valid for DOS */
}
else
flags |= GCT_SHORTCHAR; /* Bug compatible with win32 */
flags |= GCT_LFNCHAR; /* Valid for long file names */
}
return flags;
}
/*************************************************************************
* SHLWAPI_UseSystemForSystemFolders
*
* Internal helper for PathMakeSystemFolderW.
*/
static BOOL SHLWAPI_UseSystemForSystemFolders(void)
{
static BOOL bCheckedReg = FALSE;
static BOOL bUseSystemForSystemFolders = FALSE;
if (!bCheckedReg)
{
bCheckedReg = TRUE;
/* Key tells Win what file attributes to use on system folders */
if (SHGetValueA(HKEY_LOCAL_MACHINE,
"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer",
"UseSystemForSystemFolders", 0, 0, 0))
bUseSystemForSystemFolders = TRUE;
}
return bUseSystemForSystemFolders;
}
/*************************************************************************
* PathMakeSystemFolderA [SHLWAPI.@]
*
* Set system folder attribute for a path.
*
* PARAMS
* lpszPath [I] The path to turn into a system folder
*
* RETURNS
* TRUE If the path was changed to/already was a system folder
* FALSE If the path is invalid or SetFileAttributesA() fails
*/
BOOL WINAPI PathMakeSystemFolderA(LPCSTR lpszPath)
{
BOOL bRet = FALSE;
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath && *lpszPath)
{
WCHAR szPath[MAX_PATH];
MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
bRet = PathMakeSystemFolderW(szPath);
}
return bRet;
}
/*************************************************************************
* PathMakeSystemFolderW [SHLWAPI.@]
*
* See PathMakeSystemFolderA.
*/
BOOL WINAPI PathMakeSystemFolderW(LPCWSTR lpszPath)
{
DWORD dwDefaultAttr = FILE_ATTRIBUTE_READONLY, dwAttr;
WCHAR buff[MAX_PATH];
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath || !*lpszPath)
return FALSE;
/* If the directory is already a system directory, don't do anything */
GetSystemDirectoryW(buff, MAX_PATH);
if (!strcmpW(buff, lpszPath))
return TRUE;
GetWindowsDirectoryW(buff, MAX_PATH);
if (!strcmpW(buff, lpszPath))
return TRUE;
/* "UseSystemForSystemFolders" Tells Win what attributes to use */
if (SHLWAPI_UseSystemForSystemFolders())
dwDefaultAttr = FILE_ATTRIBUTE_SYSTEM;
if ((dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES)
return FALSE;
/* Change file attributes to system attributes */
dwAttr &= ~(FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_READONLY);
return SetFileAttributesW(lpszPath, dwAttr | dwDefaultAttr);
}
/*************************************************************************
* PathRenameExtensionA [SHLWAPI.@]
*
* Swap the file extension in a path with another extension.
*
* PARAMS
* lpszPath [I/O] Path to swap the extension in
* lpszExt [I] The new extension
*
* RETURNS
* TRUE if lpszPath was modified,
* FALSE if lpszPath or lpszExt is NULL, or the new path is too long
*/
BOOL WINAPI PathRenameExtensionA(LPSTR lpszPath, LPCSTR lpszExt)
{
LPSTR lpszExtension;
TRACE("(%s,%s)\n", debugstr_a(lpszPath), debugstr_a(lpszExt));
lpszExtension = PathFindExtensionA(lpszPath);
if (!lpszExtension || (lpszExtension - lpszPath + strlen(lpszExt) >= MAX_PATH))
return FALSE;
strcpy(lpszExtension, lpszExt);
return TRUE;
}
/*************************************************************************
* PathRenameExtensionW [SHLWAPI.@]
*
* See PathRenameExtensionA.
*/
BOOL WINAPI PathRenameExtensionW(LPWSTR lpszPath, LPCWSTR lpszExt)
{
LPWSTR lpszExtension;
TRACE("(%s,%s)\n", debugstr_w(lpszPath), debugstr_w(lpszExt));
lpszExtension = PathFindExtensionW(lpszPath);
if (!lpszExtension || (lpszExtension - lpszPath + strlenW(lpszExt) >= MAX_PATH))
return FALSE;
strcpyW(lpszExtension, lpszExt);
return TRUE;
}
/*************************************************************************
* PathSearchAndQualifyA [SHLWAPI.@]
*
* Determine if a given path is correct and fully qualified.
*
* PARAMS
* lpszPath [I] Path to check
* lpszBuf [O] Output for correct path
* cchBuf [I] Size of lpszBuf
*
* RETURNS
* Unknown.
*/
BOOL WINAPI PathSearchAndQualifyA(LPCSTR lpszPath, LPSTR lpszBuf, UINT cchBuf)
{
TRACE("(%s,%p,0x%08x)\n", debugstr_a(lpszPath), lpszBuf, cchBuf);
if(SearchPathA(NULL, lpszPath, NULL, cchBuf, lpszBuf, NULL))
return TRUE;
return !!GetFullPathNameA(lpszPath, cchBuf, lpszBuf, NULL);
}
/*************************************************************************
* PathSearchAndQualifyW [SHLWAPI.@]
*
* See PathSearchAndQualifyA.
*/
BOOL WINAPI PathSearchAndQualifyW(LPCWSTR lpszPath, LPWSTR lpszBuf, UINT cchBuf)
{
TRACE("(%s,%p,0x%08x)\n", debugstr_w(lpszPath), lpszBuf, cchBuf);
if(SearchPathW(NULL, lpszPath, NULL, cchBuf, lpszBuf, NULL))
return TRUE;
return !!GetFullPathNameW(lpszPath, cchBuf, lpszBuf, NULL);
}
/*************************************************************************
* PathSkipRootA [SHLWAPI.@]
*
* Return the portion of a path following the drive letter or mount point.
*
* PARAMS
* lpszPath [I] The path to skip on
*
* RETURNS
* Success: A pointer to the next character after the root.
* Failure: NULL, if lpszPath is invalid, has no root or is a multibyte string.
*/
LPSTR WINAPI PathSkipRootA(LPCSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (!lpszPath || !*lpszPath)
return NULL;
if (*lpszPath == '\\' && lpszPath[1] == '\\')
{
/* Network share: skip share server and mount point */
lpszPath += 2;
if ((lpszPath = StrChrA(lpszPath, '\\')) &&
(lpszPath = StrChrA(lpszPath + 1, '\\')))
lpszPath++;
return (LPSTR)lpszPath;
}
if (IsDBCSLeadByte(*lpszPath))
return NULL;
/* Check x:\ */
if (lpszPath[0] && lpszPath[1] == ':' && lpszPath[2] == '\\')
return (LPSTR)lpszPath + 3;
return NULL;
}
/*************************************************************************
* PathSkipRootW [SHLWAPI.@]
*
* See PathSkipRootA.
*/
LPWSTR WINAPI PathSkipRootW(LPCWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath || !*lpszPath)
return NULL;
if (*lpszPath == '\\' && lpszPath[1] == '\\')
{
/* Network share: skip share server and mount point */
lpszPath += 2;
if ((lpszPath = StrChrW(lpszPath, '\\')) &&
(lpszPath = StrChrW(lpszPath + 1, '\\')))
lpszPath++;
return (LPWSTR)lpszPath;
}
/* Check x:\ */
if (lpszPath[0] && lpszPath[1] == ':' && lpszPath[2] == '\\')
return (LPWSTR)lpszPath + 3;
return NULL;
}
/*************************************************************************
* PathCreateFromUrlA [SHLWAPI.@]
*
* See PathCreateFromUrlW
*/
HRESULT WINAPI PathCreateFromUrlA(LPCSTR pszUrl, LPSTR pszPath,
LPDWORD pcchPath, DWORD dwReserved)
{
WCHAR bufW[MAX_PATH];
WCHAR *pathW = bufW;
UNICODE_STRING urlW;
HRESULT ret;
DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
if (!pszUrl || !pszPath || !pcchPath || !*pcchPath)
return E_INVALIDARG;
if(!RtlCreateUnicodeStringFromAsciiz(&urlW, pszUrl))
return E_INVALIDARG;
if((ret = PathCreateFromUrlW(urlW.Buffer, pathW, &lenW, dwReserved)) == E_POINTER) {
pathW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
ret = PathCreateFromUrlW(urlW.Buffer, pathW, &lenW, dwReserved);
}
if(ret == S_OK) {
RtlUnicodeToMultiByteSize(&lenA, pathW, lenW * sizeof(WCHAR));
if(*pcchPath > lenA) {
RtlUnicodeToMultiByteN(pszPath, *pcchPath - 1, &lenA, pathW, lenW * sizeof(WCHAR));
pszPath[lenA] = 0;
*pcchPath = lenA;
} else {
*pcchPath = lenA + 1;
ret = E_POINTER;
}
}
if(pathW != bufW) HeapFree(GetProcessHeap(), 0, pathW);
RtlFreeUnicodeString(&urlW);
return ret;
}
/*************************************************************************
* PathCreateFromUrlW [SHLWAPI.@]
*
* Create a path from a URL
*
* PARAMS
* lpszUrl [I] URL to convert into a path
* lpszPath [O] Output buffer for the resulting Path
* pcchPath [I] Length of lpszPath
* dwFlags [I] Flags controlling the conversion
*
* RETURNS
* Success: S_OK. lpszPath contains the URL in path format,
* Failure: An HRESULT error code such as E_INVALIDARG.
*/
HRESULT WINAPI PathCreateFromUrlW(LPCWSTR pszUrl, LPWSTR pszPath,
LPDWORD pcchPath, DWORD dwReserved)
{
static const WCHAR file_colon[] = { 'f','i','l','e',':',0 };
static const WCHAR localhost[] = { 'l','o','c','a','l','h','o','s','t',0 };
DWORD nslashes, unescape, len;
const WCHAR *src;
WCHAR *tpath, *dst;
HRESULT ret;
TRACE("(%s,%p,%p,0x%08x)\n", debugstr_w(pszUrl), pszPath, pcchPath, dwReserved);
if (!pszUrl || !pszPath || !pcchPath || !*pcchPath)
return E_INVALIDARG;
if (lstrlenW(pszUrl) < 5)
return E_INVALIDARG;
if (CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pszUrl, 5,
file_colon, 5) != CSTR_EQUAL)
return E_INVALIDARG;
pszUrl += 5;
ret = S_OK;
src = pszUrl;
nslashes = 0;
while (*src == '/' || *src == '\\') {
nslashes++;
src++;
}
/* We need a temporary buffer so we can compute what size to ask for.
* We know that the final string won't be longer than the current pszUrl
* plus at most two backslashes. All the other transformations make it
* shorter.
*/
len = 2 + lstrlenW(pszUrl) + 1;
if (*pcchPath < len)
tpath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
else
tpath = pszPath;
len = 0;
dst = tpath;
unescape = 1;
switch (nslashes)
{
case 0:
/* 'file:' + escaped DOS path */
break;
case 1:
/* 'file:/' + escaped DOS path */
/* fall through */
case 3:
/* 'file:///' (implied localhost) + escaped DOS path */
if (!isalphaW(*src) || (src[1] != ':' && src[1] != '|'))
src -= 1;
break;
case 2:
if (lstrlenW(src) >= 10 && CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE,
src, 9, localhost, 9) == CSTR_EQUAL && (src[9] == '/' || src[9] == '\\'))
{
/* 'file://localhost/' + escaped DOS path */
src += 10;
}
else if (isalphaW(*src) && (src[1] == ':' || src[1] == '|'))
{
/* 'file://' + unescaped DOS path */
unescape = 0;
}
else
{
/* 'file://hostname:port/path' (where path is escaped)
* or 'file:' + escaped UNC path (\\server\share\path)
* The second form is clearly specific to Windows and it might
* even be doing a network lookup to try to figure it out.
*/
while (*src && *src != '/' && *src != '\\')
src++;
len = src - pszUrl;
StrCpyNW(dst, pszUrl, len + 1);
dst += len;
if (*src && isalphaW(src[1]) && (src[2] == ':' || src[2] == '|'))
{
/* 'Forget' to add a trailing '/', just like Windows */
src++;
}
}
break;
case 4:
/* 'file://' + unescaped UNC path (\\server\share\path) */
unescape = 0;
if (isalphaW(*src) && (src[1] == ':' || src[1] == '|'))
break;
/* fall through */
default:
/* 'file:/...' + escaped UNC path (\\server\share\path) */
src -= 2;
}
/* Copy the remainder of the path */
len += lstrlenW(src);
StrCpyW(dst, src);
/* First do the Windows-specific path conversions */
for (dst = tpath; *dst; dst++)
if (*dst == '/') *dst = '\\';
if (isalphaW(*tpath) && tpath[1] == '|')
tpath[1] = ':'; /* c| -> c: */
/* And only then unescape the path (i.e. escaped slashes are left as is) */
if (unescape)
{
ret = UrlUnescapeW(tpath, NULL, &len, URL_UNESCAPE_INPLACE);
if (ret == S_OK)
{
/* When working in-place UrlUnescapeW() does not set len */
len = lstrlenW(tpath);
}
}
if (*pcchPath < len + 1)
{
ret = E_POINTER;
*pcchPath = len + 1;
}
else
{
*pcchPath = len;
if (tpath != pszPath)
StrCpyW(pszPath, tpath);
}
if (tpath != pszPath)
HeapFree(GetProcessHeap(), 0, tpath);
TRACE("Returning (%u) %s\n", *pcchPath, debugstr_w(pszPath));
return ret;
}
/*************************************************************************
* PathCreateFromUrlAlloc [SHLWAPI.@]
*/
HRESULT WINAPI PathCreateFromUrlAlloc(LPCWSTR pszUrl, LPWSTR *pszPath,
DWORD dwReserved)
{
WCHAR pathW[MAX_PATH];
DWORD size;
HRESULT hr;
size = MAX_PATH;
hr = PathCreateFromUrlW(pszUrl, pathW, &size, dwReserved);
if (SUCCEEDED(hr))
{
/* Yes, this is supposed to crash if pszPath is NULL */
*pszPath = StrDupW(pathW);
}
return hr;
}
/*************************************************************************
* PathRelativePathToA [SHLWAPI.@]
*
* Create a relative path from one path to another.
*
* PARAMS
* lpszPath [O] Destination for relative path
* lpszFrom [I] Source path
* dwAttrFrom [I] File attribute of source path
* lpszTo [I] Destination path
* dwAttrTo [I] File attributes of destination path
*
* RETURNS
* TRUE If a relative path can be formed. lpszPath contains the new path
* FALSE If the paths are not relative or any parameters are invalid
*
* NOTES
* lpszTo should be at least MAX_PATH in length.
*
* Calling this function with relative paths for lpszFrom or lpszTo may
* give erroneous results.
*
* The Win32 version of this function contains a bug where the lpszTo string
* may be referenced 1 byte beyond the end of the string. As a result random
* garbage may be written to the output path, depending on what lies beyond
* the last byte of the string. This bug occurs because of the behaviour of
* PathCommonPrefix() (see notes for that function), and no workaround seems
* possible with Win32.
*
* This bug has been fixed here, so for example the relative path from "\\"
* to "\\" is correctly determined as "." in this implementation.
*/
BOOL WINAPI PathRelativePathToA(LPSTR lpszPath, LPCSTR lpszFrom, DWORD dwAttrFrom,
LPCSTR lpszTo, DWORD dwAttrTo)
{
BOOL bRet = FALSE;
TRACE("(%p,%s,0x%08x,%s,0x%08x)\n", lpszPath, debugstr_a(lpszFrom),
dwAttrFrom, debugstr_a(lpszTo), dwAttrTo);
if(lpszPath && lpszFrom && lpszTo)
{
WCHAR szPath[MAX_PATH];
WCHAR szFrom[MAX_PATH];
WCHAR szTo[MAX_PATH];
MultiByteToWideChar(CP_ACP,0,lpszFrom,-1,szFrom,MAX_PATH);
MultiByteToWideChar(CP_ACP,0,lpszTo,-1,szTo,MAX_PATH);
bRet = PathRelativePathToW(szPath,szFrom,dwAttrFrom,szTo,dwAttrTo);
WideCharToMultiByte(CP_ACP,0,szPath,-1,lpszPath,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* PathRelativePathToW [SHLWAPI.@]
*
* See PathRelativePathToA.
*/
BOOL WINAPI PathRelativePathToW(LPWSTR lpszPath, LPCWSTR lpszFrom, DWORD dwAttrFrom,
LPCWSTR lpszTo, DWORD dwAttrTo)
{
static const WCHAR szPrevDirSlash[] = { '.', '.', '\\', '\0' };
static const WCHAR szPrevDir[] = { '.', '.', '\0' };
WCHAR szFrom[MAX_PATH];
WCHAR szTo[MAX_PATH];
DWORD dwLen;
TRACE("(%p,%s,0x%08x,%s,0x%08x)\n", lpszPath, debugstr_w(lpszFrom),
dwAttrFrom, debugstr_w(lpszTo), dwAttrTo);
if(!lpszPath || !lpszFrom || !lpszTo)
return FALSE;
*lpszPath = '\0';
lstrcpynW(szFrom, lpszFrom, MAX_PATH);
lstrcpynW(szTo, lpszTo, MAX_PATH);
if(!(dwAttrFrom & FILE_ATTRIBUTE_DIRECTORY))
PathRemoveFileSpecW(szFrom);
if(!(dwAttrTo & FILE_ATTRIBUTE_DIRECTORY))
PathRemoveFileSpecW(szTo);
/* Paths can only be relative if they have a common root */
if(!(dwLen = PathCommonPrefixW(szFrom, szTo, 0)))
return FALSE;
/* Strip off lpszFrom components to the root, by adding "..\" */
lpszFrom = szFrom + dwLen;
if (!*lpszFrom)
{
lpszPath[0] = '.';
lpszPath[1] = '\0';
}
if (*lpszFrom == '\\')
lpszFrom++;
while (*lpszFrom)
{
lpszFrom = PathFindNextComponentW(lpszFrom);
strcatW(lpszPath, *lpszFrom ? szPrevDirSlash : szPrevDir);
}
/* From the root add the components of lpszTo */
lpszTo += dwLen;
/* We check lpszTo[-1] to avoid skipping end of string. See the notes for
* this function.
*/
if (*lpszTo && lpszTo[-1])
{
if (*lpszTo != '\\')
lpszTo--;
dwLen = strlenW(lpszPath);
if (dwLen + strlenW(lpszTo) >= MAX_PATH)
{
*lpszPath = '\0';
return FALSE;
}
strcpyW(lpszPath + dwLen, lpszTo);
}
return TRUE;
}
/*************************************************************************
* PathUnmakeSystemFolderA [SHLWAPI.@]
*
* Remove the system folder attributes from a path.
*
* PARAMS
* lpszPath [I] The path to remove attributes from
*
* RETURNS
* Success: TRUE.
* Failure: FALSE, if lpszPath is NULL, empty, not a directory, or calling
* SetFileAttributesA() fails.
*/
BOOL WINAPI PathUnmakeSystemFolderA(LPCSTR lpszPath)
{
DWORD dwAttr;
TRACE("(%s)\n", debugstr_a(lpszPath));
if (!lpszPath || !*lpszPath || (dwAttr = GetFileAttributesA(lpszPath)) == INVALID_FILE_ATTRIBUTES ||
!(dwAttr & FILE_ATTRIBUTE_DIRECTORY))
return FALSE;
dwAttr &= ~(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
return SetFileAttributesA(lpszPath, dwAttr);
}
/*************************************************************************
* PathUnmakeSystemFolderW [SHLWAPI.@]
*
* See PathUnmakeSystemFolderA.
*/
BOOL WINAPI PathUnmakeSystemFolderW(LPCWSTR lpszPath)
{
DWORD dwAttr;
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath || !*lpszPath || (dwAttr = GetFileAttributesW(lpszPath)) == INVALID_FILE_ATTRIBUTES ||
!(dwAttr & FILE_ATTRIBUTE_DIRECTORY))
return FALSE;
dwAttr &= ~(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
return SetFileAttributesW(lpszPath, dwAttr);
}
/*************************************************************************
* PathSetDlgItemPathA [SHLWAPI.@]
*
* Set the text of a dialog item to a path, shrinking the path to fit
* if it is too big for the item.
*
* PARAMS
* hDlg [I] Dialog handle
* id [I] ID of item in the dialog
* lpszPath [I] Path to set as the items text
*
* RETURNS
* Nothing.
*
* NOTES
* If lpszPath is NULL, a blank string ("") is set (i.e. The previous
* window text is erased).
*/
VOID WINAPI PathSetDlgItemPathA(HWND hDlg, int id, LPCSTR lpszPath)
{
WCHAR szPath[MAX_PATH];
TRACE("(%p,%8x,%s)\n",hDlg, id, debugstr_a(lpszPath));
if (lpszPath)
MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
else
szPath[0] = '\0';
PathSetDlgItemPathW(hDlg, id, szPath);
}
/*************************************************************************
* PathSetDlgItemPathW [SHLWAPI.@]
*
* See PathSetDlgItemPathA.
*/
VOID WINAPI PathSetDlgItemPathW(HWND hDlg, int id, LPCWSTR lpszPath)
{
WCHAR path[MAX_PATH + 1];
HWND hwItem;
RECT rect;
HDC hdc;
HGDIOBJ hPrevObj;
TRACE("(%p,%8x,%s)\n",hDlg, id, debugstr_w(lpszPath));
if (!(hwItem = GetDlgItem(hDlg, id)))
return;
if (lpszPath)
lstrcpynW(path, lpszPath, sizeof(path) / sizeof(WCHAR));
else
path[0] = '\0';
GetClientRect(hwItem, &rect);
hdc = GetDC(hDlg);
hPrevObj = SelectObject(hdc, (HGDIOBJ)SendMessageW(hwItem,WM_GETFONT,0,0));
if (hPrevObj)
{
PathCompactPathW(hdc, path, rect.right);
SelectObject(hdc, hPrevObj);
}
ReleaseDC(hDlg, hdc);
SetWindowTextW(hwItem, path);
}
/*************************************************************************
* PathIsNetworkPathA [SHLWAPI.@]
*
* Determine if the given path is a network path.
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE If lpszPath is a UNC share or mapped network drive, or
* FALSE If lpszPath is a local drive or cannot be determined
*/
BOOL WINAPI PathIsNetworkPathA(LPCSTR lpszPath)
{
int dwDriveNum;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (!lpszPath)
return FALSE;
if (*lpszPath == '\\' && lpszPath[1] == '\\')
return TRUE;
dwDriveNum = PathGetDriveNumberA(lpszPath);
if (dwDriveNum == -1)
return FALSE;
#ifdef __REACTOS__
return IsNetDrive(dwDriveNum);
#else
GET_FUNC(pIsNetDrive, shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
return pIsNetDrive(dwDriveNum);
#endif
}
/*************************************************************************
* PathIsNetworkPathW [SHLWAPI.@]
*
* See PathIsNetworkPathA.
*/
BOOL WINAPI PathIsNetworkPathW(LPCWSTR lpszPath)
{
int dwDriveNum;
TRACE("(%s)\n", debugstr_w(lpszPath));
if (!lpszPath)
return FALSE;
if (*lpszPath == '\\' && lpszPath[1] == '\\')
return TRUE;
dwDriveNum = PathGetDriveNumberW(lpszPath);
if (dwDriveNum == -1)
return FALSE;
#ifdef __REACTOS__
return IsNetDrive(dwDriveNum);
#else
GET_FUNC(pIsNetDrive, shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
return pIsNetDrive(dwDriveNum);
#endif
}
/*************************************************************************
* PathIsLFNFileSpecA [SHLWAPI.@]
*
* Determine if the given path is a long file name
*
* PARAMS
* lpszPath [I] Path to check
*
* RETURNS
* TRUE If path is a long file name,
* FALSE If path is a valid DOS short file name
*/
BOOL WINAPI PathIsLFNFileSpecA(LPCSTR lpszPath)
{
DWORD dwNameLen = 0, dwExtLen = 0;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (!lpszPath)
return FALSE;
while (*lpszPath)
{
if (*lpszPath == ' ')
return TRUE; /* DOS names cannot have spaces */
if (*lpszPath == '.')
{
if (dwExtLen)
return TRUE; /* DOS names have only one dot */
dwExtLen = 1;
}
else if (dwExtLen)
{
dwExtLen++;
if (dwExtLen > 4)
return TRUE; /* DOS extensions are <= 3 chars*/
}
else
{
dwNameLen++;
if (dwNameLen > 8)
return TRUE; /* DOS names are <= 8 chars */
}
lpszPath += IsDBCSLeadByte(*lpszPath) ? 2 : 1;
}
return FALSE; /* Valid DOS path */
}
/*************************************************************************
* PathIsLFNFileSpecW [SHLWAPI.@]
*
* See PathIsLFNFileSpecA.
*/
BOOL WINAPI PathIsLFNFileSpecW(LPCWSTR lpszPath)
{
DWORD dwNameLen = 0, dwExtLen = 0;
TRACE("(%s)\n",debugstr_w(lpszPath));
if (!lpszPath)
return FALSE;
while (*lpszPath)
{
if (*lpszPath == ' ')
return TRUE; /* DOS names cannot have spaces */
if (*lpszPath == '.')
{
if (dwExtLen)
return TRUE; /* DOS names have only one dot */
dwExtLen = 1;
}
else if (dwExtLen)
{
dwExtLen++;
if (dwExtLen > 4)
return TRUE; /* DOS extensions are <= 3 chars*/
}
else
{
dwNameLen++;
if (dwNameLen > 8)
return TRUE; /* DOS names are <= 8 chars */
}
lpszPath++;
}
return FALSE; /* Valid DOS path */
}
/*************************************************************************
* PathIsDirectoryEmptyA [SHLWAPI.@]
*
* Determine if a given directory is empty.
*
* PARAMS
* lpszPath [I] Directory to check
*
* RETURNS
* TRUE If the directory exists and contains no files,
* FALSE Otherwise
*/
BOOL WINAPI PathIsDirectoryEmptyA(LPCSTR lpszPath)
{
BOOL bRet = FALSE;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (lpszPath)
{
WCHAR szPath[MAX_PATH];
MultiByteToWideChar(CP_ACP,0,lpszPath,-1,szPath,MAX_PATH);
bRet = PathIsDirectoryEmptyW(szPath);
}
return bRet;
}
/*************************************************************************
* PathIsDirectoryEmptyW [SHLWAPI.@]
*
* See PathIsDirectoryEmptyA.
*/
BOOL WINAPI PathIsDirectoryEmptyW(LPCWSTR lpszPath)
{
static const WCHAR szAllFiles[] = { '*', '.', '*', '\0' };
WCHAR szSearch[MAX_PATH];
DWORD dwLen;
HANDLE hfind;
BOOL retVal = TRUE;
WIN32_FIND_DATAW find_data;
TRACE("(%s)\n",debugstr_w(lpszPath));
if (!lpszPath || !PathIsDirectoryW(lpszPath))
return FALSE;
lstrcpynW(szSearch, lpszPath, MAX_PATH);
PathAddBackslashW(szSearch);
dwLen = strlenW(szSearch);
if (dwLen > MAX_PATH - 4)
return FALSE;
strcpyW(szSearch + dwLen, szAllFiles);
hfind = FindFirstFileW(szSearch, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
return FALSE;
do
{
if (find_data.cFileName[0] == '.')
{
if (find_data.cFileName[1] == '\0') continue;
if (find_data.cFileName[1] == '.' && find_data.cFileName[2] == '\0') continue;
}
retVal = FALSE;
break;
}
while (FindNextFileW(hfind, &find_data));
FindClose(hfind);
return retVal;
}
/*************************************************************************
* PathFindSuffixArrayA [SHLWAPI.@]
*
* Find a suffix string in an array of suffix strings
*
* PARAMS
* lpszSuffix [I] Suffix string to search for
* lppszArray [I] Array of suffix strings to search
* dwCount [I] Number of elements in lppszArray
*
* RETURNS
* Success: The index of the position of lpszSuffix in lppszArray
* Failure: 0, if any parameters are invalid or lpszSuffix is not found
*
* NOTES
* The search is case sensitive.
* The match is made against the end of the suffix string, so for example:
* lpszSuffix="fooBAR" matches "BAR", but lpszSuffix="fooBARfoo" does not.
*/
LPCSTR WINAPI PathFindSuffixArrayA(LPCSTR lpszSuffix, LPCSTR *lppszArray, int dwCount)
{
size_t dwLen;
int dwRet = 0;
TRACE("(%s,%p,%d)\n",debugstr_a(lpszSuffix), lppszArray, dwCount);
if (lpszSuffix && lppszArray && dwCount > 0)
{
dwLen = strlen(lpszSuffix);
while (dwRet < dwCount)
{
size_t dwCompareLen = strlen(*lppszArray);
if (dwCompareLen < dwLen)
{
if (!strcmp(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
return *lppszArray; /* Found */
}
dwRet++;
lppszArray++;
}
}
return NULL;
}
/*************************************************************************
* PathFindSuffixArrayW [SHLWAPI.@]
*
* See PathFindSuffixArrayA.
*/
LPCWSTR WINAPI PathFindSuffixArrayW(LPCWSTR lpszSuffix, LPCWSTR *lppszArray, int dwCount)
{
size_t dwLen;
int dwRet = 0;
TRACE("(%s,%p,%d)\n",debugstr_w(lpszSuffix), lppszArray, dwCount);
if (lpszSuffix && lppszArray && dwCount > 0)
{
dwLen = strlenW(lpszSuffix);
while (dwRet < dwCount)
{
size_t dwCompareLen = strlenW(*lppszArray);
if (dwCompareLen < dwLen)
{
if (!strcmpW(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
return *lppszArray; /* Found */
}
dwRet++;
lppszArray++;
}
}
return NULL;
}
/*************************************************************************
* PathUndecorateA [SHLWAPI.@]
*
* Undecorate a file path
*
* PARAMS
* lpszPath [I/O] Path to remove any decoration from
*
* RETURNS
* Nothing
*
* NOTES
* A decorations form is "path[n].ext" where "n" is an optional decimal number.
*/
VOID WINAPI PathUndecorateA(LPSTR lpszPath)
{
TRACE("(%s)\n",debugstr_a(lpszPath));
if (lpszPath)
{
LPSTR lpszExt = PathFindExtensionA(lpszPath);
if (lpszExt > lpszPath && lpszExt[-1] == ']')
{
LPSTR lpszSkip = lpszExt - 2;
if (*lpszSkip == '[')
lpszSkip++; /* [] (no number) */
else
while (lpszSkip > lpszPath && isdigit(lpszSkip[-1]))
lpszSkip--;
if (lpszSkip > lpszPath && lpszSkip[-1] == '[' && lpszSkip[-2] != '\\')
{
/* remove the [n] */
lpszSkip--;
while (*lpszExt)
*lpszSkip++ = *lpszExt++;
*lpszSkip = '\0';
}
}
}
}
/*************************************************************************
* PathUndecorateW [SHLWAPI.@]
*
* See PathUndecorateA.
*/
VOID WINAPI PathUndecorateW(LPWSTR lpszPath)
{
TRACE("(%s)\n",debugstr_w(lpszPath));
if (lpszPath)
{
LPWSTR lpszExt = PathFindExtensionW(lpszPath);
if (lpszExt > lpszPath && lpszExt[-1] == ']')
{
LPWSTR lpszSkip = lpszExt - 2;
if (*lpszSkip == '[')
lpszSkip++; /* [] (no number) */
else
while (lpszSkip > lpszPath && isdigitW(lpszSkip[-1]))
lpszSkip--;
if (lpszSkip > lpszPath && lpszSkip[-1] == '[' && lpszSkip[-2] != '\\')
{
/* remove the [n] */
lpszSkip--;
while (*lpszExt)
*lpszSkip++ = *lpszExt++;
*lpszSkip = '\0';
}
}
}
}
/*************************************************************************
* PathUnExpandEnvStringsA [SHLWAPI.@]
*
* Substitute folder names in a path with their corresponding environment
* strings.
*
* PARAMS
* path [I] Buffer containing the path to unexpand.
* buffer [O] Buffer to receive the unexpanded path.
* buf_len [I] Size of pszBuf in characters.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI PathUnExpandEnvStringsA(LPCSTR path, LPSTR buffer, UINT buf_len)
{
WCHAR bufferW[MAX_PATH], *pathW;
DWORD len;
BOOL ret;
TRACE("(%s, %p, %d)\n", debugstr_a(path), buffer, buf_len);
pathW = heap_strdupAtoW(path);
if (!pathW) return FALSE;
ret = PathUnExpandEnvStringsW(pathW, bufferW, MAX_PATH);
HeapFree(GetProcessHeap(), 0, pathW);
if (!ret) return FALSE;
len = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
if (buf_len < len + 1) return FALSE;
WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, buf_len, NULL, NULL);
return TRUE;
}
static const WCHAR allusersprofileW[] = {'%','A','L','L','U','S','E','R','S','P','R','O','F','I','L','E','%',0};
static const WCHAR appdataW[] = {'%','A','P','P','D','A','T','A','%',0};
static const WCHAR programfilesW[] = {'%','P','r','o','g','r','a','m','F','i','l','e','s','%',0};
static const WCHAR systemrootW[] = {'%','S','y','s','t','e','m','R','o','o','t','%',0};
static const WCHAR systemdriveW[] = {'%','S','y','s','t','e','m','D','r','i','v','e','%',0};
static const WCHAR userprofileW[] = {'%','U','S','E','R','P','R','O','F','I','L','E','%',0};
struct envvars_map
{
const WCHAR *var;
UINT varlen;
WCHAR path[MAX_PATH];
DWORD len;
};
static void init_envvars_map(struct envvars_map *map)
{
while (map->var)
{
map->len = ExpandEnvironmentStringsW(map->var, map->path, sizeof(map->path)/sizeof(WCHAR));
/* exclude null from length */
if (map->len) map->len--;
map++;
}
}
/*************************************************************************
* PathUnExpandEnvStringsW [SHLWAPI.@]
*
* Unicode version of PathUnExpandEnvStringsA.
*/
BOOL WINAPI PathUnExpandEnvStringsW(LPCWSTR path, LPWSTR buffer, UINT buf_len)
{
static struct envvars_map null_var = {NULL, 0, {0}, 0};
struct envvars_map *match = &null_var, *cur;
struct envvars_map envvars[] = {
{ allusersprofileW, sizeof(allusersprofileW)/sizeof(WCHAR) },
{ appdataW, sizeof(appdataW)/sizeof(WCHAR) },
{ programfilesW, sizeof(programfilesW)/sizeof(WCHAR) },
{ systemrootW, sizeof(systemrootW)/sizeof(WCHAR) },
{ systemdriveW, sizeof(systemdriveW)/sizeof(WCHAR) },
{ userprofileW, sizeof(userprofileW)/sizeof(WCHAR) },
{ NULL }
};
DWORD pathlen;
UINT needed;
TRACE("(%s, %p, %d)\n", debugstr_w(path), buffer, buf_len);
pathlen = strlenW(path);
init_envvars_map(envvars);
cur = envvars;
while (cur->var)
{
/* path can't contain expanded value or value wasn't retrieved */
if (cur->len == 0 || cur->len > pathlen || strncmpiW(cur->path, path, cur->len))
{
cur++;
continue;
}
if (cur->len > match->len)
match = cur;
cur++;
}
/* 'varlen' includes NULL termination char */
needed = match->varlen + pathlen - match->len;
if (match->len == 0 || needed > buf_len) return FALSE;
strcpyW(buffer, match->var);
strcatW(buffer, &path[match->len]);
TRACE("ret %s\n", debugstr_w(buffer));
return TRUE;
}
/*************************************************************************
* @ [SHLWAPI.440]
*
* Find localised or default web content in "%WINDOWS%\web\".
*
* PARAMS
* lpszFile [I] File name containing content to look for
* lpszPath [O] Buffer to contain the full path to the file
* dwPathLen [I] Length of lpszPath
*
* RETURNS
* Success: S_OK. lpszPath contains the full path to the content.
* Failure: E_FAIL. The content does not exist or lpszPath is too short.
*/
HRESULT WINAPI SHGetWebFolderFilePathA(LPCSTR lpszFile, LPSTR lpszPath, DWORD dwPathLen)
{
WCHAR szFile[MAX_PATH], szPath[MAX_PATH];
HRESULT hRet;
TRACE("(%s,%p,%d)\n", lpszFile, lpszPath, dwPathLen);
MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, szFile, MAX_PATH);
szPath[0] = '\0';
hRet = SHGetWebFolderFilePathW(szFile, szPath, dwPathLen);
WideCharToMultiByte(CP_ACP, 0, szPath, -1, lpszPath, dwPathLen, 0, 0);
return hRet;
}
/*************************************************************************
* @ [SHLWAPI.441]
*
* Unicode version of SHGetWebFolderFilePathA.
*/
HRESULT WINAPI SHGetWebFolderFilePathW(LPCWSTR lpszFile, LPWSTR lpszPath, DWORD dwPathLen)
{
static const WCHAR szWeb[] = {'\\','W','e','b','\\','\0'};
static const WCHAR szWebMui[] = {'m','u','i','\\','%','0','4','x','\\','\0'};
#define szWebLen (sizeof(szWeb)/sizeof(WCHAR))
#define szWebMuiLen ((sizeof(szWebMui)+1)/sizeof(WCHAR))
DWORD dwLen, dwFileLen;
LANGID lidSystem, lidUser;
TRACE("(%s,%p,%d)\n", debugstr_w(lpszFile), lpszPath, dwPathLen);
/* Get base directory for web content */
dwLen = GetSystemWindowsDirectoryW(lpszPath, dwPathLen);
if (dwLen > 0 && lpszPath[dwLen-1] == '\\')
dwLen--;
dwFileLen = strlenW(lpszFile);
if (dwLen + dwFileLen + szWebLen >= dwPathLen)
return E_FAIL; /* lpszPath too short */
strcpyW(lpszPath+dwLen, szWeb);
dwLen += szWebLen;
dwPathLen = dwPathLen - dwLen; /* Remaining space */
lidSystem = GetSystemDefaultUILanguage();
lidUser = GetUserDefaultUILanguage();
if (lidSystem != lidUser)
{
if (dwFileLen + szWebMuiLen < dwPathLen)
{
/* Use localised content in the users UI language if present */
wsprintfW(lpszPath + dwLen, szWebMui, lidUser);
strcpyW(lpszPath + dwLen + szWebMuiLen, lpszFile);
if (PathFileExistsW(lpszPath))
return S_OK;
}
}
/* Fall back to OS default installed content */
strcpyW(lpszPath + dwLen, lpszFile);
if (PathFileExistsW(lpszPath))
return S_OK;
return E_FAIL;
}
#define PATH_CHAR_CLASS_LETTER 0x00000001
#define PATH_CHAR_CLASS_ASTERIX 0x00000002
#define PATH_CHAR_CLASS_DOT 0x00000004
#define PATH_CHAR_CLASS_BACKSLASH 0x00000008
#define PATH_CHAR_CLASS_COLON 0x00000010
#define PATH_CHAR_CLASS_SEMICOLON 0x00000020
#define PATH_CHAR_CLASS_COMMA 0x00000040
#define PATH_CHAR_CLASS_SPACE 0x00000080
#define PATH_CHAR_CLASS_OTHER_VALID 0x00000100
#define PATH_CHAR_CLASS_DOUBLEQUOTE 0x00000200
#define PATH_CHAR_CLASS_INVALID 0x00000000
#define PATH_CHAR_CLASS_ANY 0xffffffff
static const DWORD SHELL_charclass[] =
{
/* 0x00 */ PATH_CHAR_CLASS_INVALID, /* 0x01 */ PATH_CHAR_CLASS_INVALID,
/* 0x02 */ PATH_CHAR_CLASS_INVALID, /* 0x03 */ PATH_CHAR_CLASS_INVALID,
/* 0x04 */ PATH_CHAR_CLASS_INVALID, /* 0x05 */ PATH_CHAR_CLASS_INVALID,
/* 0x06 */ PATH_CHAR_CLASS_INVALID, /* 0x07 */ PATH_CHAR_CLASS_INVALID,
/* 0x08 */ PATH_CHAR_CLASS_INVALID, /* 0x09 */ PATH_CHAR_CLASS_INVALID,
/* 0x0a */ PATH_CHAR_CLASS_INVALID, /* 0x0b */ PATH_CHAR_CLASS_INVALID,
/* 0x0c */ PATH_CHAR_CLASS_INVALID, /* 0x0d */ PATH_CHAR_CLASS_INVALID,
/* 0x0e */ PATH_CHAR_CLASS_INVALID, /* 0x0f */ PATH_CHAR_CLASS_INVALID,
/* 0x10 */ PATH_CHAR_CLASS_INVALID, /* 0x11 */ PATH_CHAR_CLASS_INVALID,
/* 0x12 */ PATH_CHAR_CLASS_INVALID, /* 0x13 */ PATH_CHAR_CLASS_INVALID,
/* 0x14 */ PATH_CHAR_CLASS_INVALID, /* 0x15 */ PATH_CHAR_CLASS_INVALID,
/* 0x16 */ PATH_CHAR_CLASS_INVALID, /* 0x17 */ PATH_CHAR_CLASS_INVALID,
/* 0x18 */ PATH_CHAR_CLASS_INVALID, /* 0x19 */ PATH_CHAR_CLASS_INVALID,
/* 0x1a */ PATH_CHAR_CLASS_INVALID, /* 0x1b */ PATH_CHAR_CLASS_INVALID,
/* 0x1c */ PATH_CHAR_CLASS_INVALID, /* 0x1d */ PATH_CHAR_CLASS_INVALID,
/* 0x1e */ PATH_CHAR_CLASS_INVALID, /* 0x1f */ PATH_CHAR_CLASS_INVALID,
/* ' ' */ PATH_CHAR_CLASS_SPACE, /* '!' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '"' */ PATH_CHAR_CLASS_DOUBLEQUOTE, /* '#' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '$' */ PATH_CHAR_CLASS_OTHER_VALID, /* '%' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '&' */ PATH_CHAR_CLASS_OTHER_VALID, /* '\'' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '(' */ PATH_CHAR_CLASS_OTHER_VALID, /* ')' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '*' */ PATH_CHAR_CLASS_ASTERIX, /* '+' */ PATH_CHAR_CLASS_OTHER_VALID,
/* ',' */ PATH_CHAR_CLASS_COMMA, /* '-' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '.' */ PATH_CHAR_CLASS_DOT, /* '/' */ PATH_CHAR_CLASS_INVALID,
/* '0' */ PATH_CHAR_CLASS_OTHER_VALID, /* '1' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '2' */ PATH_CHAR_CLASS_OTHER_VALID, /* '3' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '4' */ PATH_CHAR_CLASS_OTHER_VALID, /* '5' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '6' */ PATH_CHAR_CLASS_OTHER_VALID, /* '7' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '8' */ PATH_CHAR_CLASS_OTHER_VALID, /* '9' */ PATH_CHAR_CLASS_OTHER_VALID,
/* ':' */ PATH_CHAR_CLASS_COLON, /* ';' */ PATH_CHAR_CLASS_SEMICOLON,
/* '<' */ PATH_CHAR_CLASS_INVALID, /* '=' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '>' */ PATH_CHAR_CLASS_INVALID, /* '?' */ PATH_CHAR_CLASS_LETTER,
/* '@' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'A' */ PATH_CHAR_CLASS_ANY,
/* 'B' */ PATH_CHAR_CLASS_ANY, /* 'C' */ PATH_CHAR_CLASS_ANY,
/* 'D' */ PATH_CHAR_CLASS_ANY, /* 'E' */ PATH_CHAR_CLASS_ANY,
/* 'F' */ PATH_CHAR_CLASS_ANY, /* 'G' */ PATH_CHAR_CLASS_ANY,
/* 'H' */ PATH_CHAR_CLASS_ANY, /* 'I' */ PATH_CHAR_CLASS_ANY,
/* 'J' */ PATH_CHAR_CLASS_ANY, /* 'K' */ PATH_CHAR_CLASS_ANY,
/* 'L' */ PATH_CHAR_CLASS_ANY, /* 'M' */ PATH_CHAR_CLASS_ANY,
/* 'N' */ PATH_CHAR_CLASS_ANY, /* 'O' */ PATH_CHAR_CLASS_ANY,
/* 'P' */ PATH_CHAR_CLASS_ANY, /* 'Q' */ PATH_CHAR_CLASS_ANY,
/* 'R' */ PATH_CHAR_CLASS_ANY, /* 'S' */ PATH_CHAR_CLASS_ANY,
/* 'T' */ PATH_CHAR_CLASS_ANY, /* 'U' */ PATH_CHAR_CLASS_ANY,
/* 'V' */ PATH_CHAR_CLASS_ANY, /* 'W' */ PATH_CHAR_CLASS_ANY,
/* 'X' */ PATH_CHAR_CLASS_ANY, /* 'Y' */ PATH_CHAR_CLASS_ANY,
/* 'Z' */ PATH_CHAR_CLASS_ANY, /* '[' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '\\' */ PATH_CHAR_CLASS_BACKSLASH, /* ']' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '^' */ PATH_CHAR_CLASS_OTHER_VALID, /* '_' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '`' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'a' */ PATH_CHAR_CLASS_ANY,
/* 'b' */ PATH_CHAR_CLASS_ANY, /* 'c' */ PATH_CHAR_CLASS_ANY,
/* 'd' */ PATH_CHAR_CLASS_ANY, /* 'e' */ PATH_CHAR_CLASS_ANY,
/* 'f' */ PATH_CHAR_CLASS_ANY, /* 'g' */ PATH_CHAR_CLASS_ANY,
/* 'h' */ PATH_CHAR_CLASS_ANY, /* 'i' */ PATH_CHAR_CLASS_ANY,
/* 'j' */ PATH_CHAR_CLASS_ANY, /* 'k' */ PATH_CHAR_CLASS_ANY,
/* 'l' */ PATH_CHAR_CLASS_ANY, /* 'm' */ PATH_CHAR_CLASS_ANY,
/* 'n' */ PATH_CHAR_CLASS_ANY, /* 'o' */ PATH_CHAR_CLASS_ANY,
/* 'p' */ PATH_CHAR_CLASS_ANY, /* 'q' */ PATH_CHAR_CLASS_ANY,
/* 'r' */ PATH_CHAR_CLASS_ANY, /* 's' */ PATH_CHAR_CLASS_ANY,
/* 't' */ PATH_CHAR_CLASS_ANY, /* 'u' */ PATH_CHAR_CLASS_ANY,
/* 'v' */ PATH_CHAR_CLASS_ANY, /* 'w' */ PATH_CHAR_CLASS_ANY,
/* 'x' */ PATH_CHAR_CLASS_ANY, /* 'y' */ PATH_CHAR_CLASS_ANY,
/* 'z' */ PATH_CHAR_CLASS_ANY, /* '{' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '|' */ PATH_CHAR_CLASS_INVALID, /* '}' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '~' */ PATH_CHAR_CLASS_OTHER_VALID
};
/*************************************************************************
* @ [SHLWAPI.455]
*
* Check if an ASCII char is of a certain class
*/
BOOL WINAPI PathIsValidCharA( char c, DWORD class )
{
if ((unsigned)c > 0x7e)
return class & PATH_CHAR_CLASS_OTHER_VALID;
return class & SHELL_charclass[(unsigned)c];
}
/*************************************************************************
* @ [SHLWAPI.456]
*
* Check if a Unicode char is of a certain class
*/
BOOL WINAPI PathIsValidCharW( WCHAR c, DWORD class )
{
if (c > 0x7e)
return class & PATH_CHAR_CLASS_OTHER_VALID;
return class & SHELL_charclass[c];
}
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