system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-11-05 18:01:34 +00:00
Code Issues Projects Releases Packages Wiki Activity
wine/dlls/shlwapi/path.c
Jon Griffiths 4e75d1246f Document, implement/fix and test 110+ Path functions. 
Share the GET_FUNC macro, other places than ordinal.c need it.
2002-03-20 01:33:19 +00:00

3659 lines
88 KiB
C
Raw Blame History

/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include "winerror.h"
#include "wine/unicode.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#define NO_SHLWAPI_STREAM
#include "shlwapi.h"
#include "wine/debug.h"
#include "ordinal.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
/*************************************************************************
* PathAppendA [SHLWAPI.@]
*
* Append one path to another.
*
* PARAMS
* lpszPath [O] Initial part of path
* 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)
{
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)
{
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
* liszFile [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)
{
TRACE("(%p,%s,%s)\n", lpszDest, debugstr_a(lpszDir), debugstr_a(lpszFile));
if (!lpszDest || (!lpszDir && !lpszFile))
return NULL; /* Invalid parameters */
else
{
WCHAR szDest[MAX_PATH];
WCHAR szDir[MAX_PATH];
WCHAR szFile[MAX_PATH];
if (lpszDir)
MultiByteToWideChar(0,0,lpszDir,-1,szDir,MAX_PATH);
if (lpszFile)
MultiByteToWideChar(0,0,lpszFile,-1,szFile,MAX_PATH);
PathCombineW(szDest, lpszDir ? szDir : NULL, lpszFile ? szFile : NULL);
WideCharToMultiByte(0,0,szDest,-1,lpszDest,MAX_PATH,0,0);
}
return lpszDest;
}
/*************************************************************************
* 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));
if (!lpszDest || (!lpszDir && !lpszFile))
return lpszDest; /* Invalid parameters */
if (!lpszFile || !*lpszFile)
{
/* Use dir only */
strncpyW(szTemp, lpszDir, MAX_PATH);
}
else if (!lpszDir || !*lpszDir || !PathIsRelativeW(lpszFile))
{
if (!lpszDir || !*lpszDir || *lpszFile != '\\' || PathIsUNCW(lpszFile))
{
/* Use file only */
strncpyW(szTemp, lpszFile, MAX_PATH);
}
else
{
bUseBoth = TRUE;
bStrip = TRUE;
}
}
else
bUseBoth = TRUE;
if (bUseBoth)
{
strncpyW(szTemp, lpszDir, MAX_PATH);
if (bStrip)
{
PathStripToRootW(szTemp);
lpszFile++; /* Skip '\' */
}
if (!PathAddBackslashW(szTemp))
return NULL;
if (strlenW(szTemp) + strlenW(lpszFile) >= MAX_PATH)
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 [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)
{
int iLen;
TRACE("(%s)\n",debugstr_a(lpszPath));
if (!lpszPath || (iLen = strlen(lpszPath)) >= MAX_PATH)
return NULL;
if (iLen)
{
lpszPath += iLen;
if (lpszPath[-1] != '\\')
{
*lpszPath++ = '\\';
*lpszPath = '\0';
}
}
return lpszPath;
}
/*************************************************************************
* PathAddBackslashW [SHLWAPI.@]
*
* See PathAddBackslashA.
*/
LPWSTR WINAPI PathAddBackslashW( LPWSTR lpszPath )
{
int 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", debugstr_a(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",debugstr_w(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 = CharNextW(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 = CharNextW(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 = CharNextW(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(LPCWSTR lpszPath)
{
TRACE ("(%s)\n",debugstr_w(lpszPath));
if (lpszPath && lpszPath[1] == ':' &&
tolowerW(*lpszPath) >= 'a' && tolowerW(*lpszPath) <= 'z')
return tolowerW(*lpszPath) - 'a';
return -1;
}
/*************************************************************************
* PathRemoveFileSpecA [SHLWAPI.@]
*
* Remove the file specification from a path.
*
* PARAMS
* lpszPath [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++;
}
if (!(lpszPath = CharNextW(lpszPath)))
break;
}
if (*lpszFileSpec)
{
*lpszFileSpec = '\0';
bModified = TRUE;
}
}
return bModified;
}
/*************************************************************************
* PathStripPathA [SHLWAPI.@]
*
* Remove the initial path from the beginning of a filename
*
* PARAMS
* lpszPath [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)
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)
RtlMoveMemory(lpszPath, lpszFileName, (strlenW(lpszFileName)+1)*sizeof(WCHAR));
}
/*************************************************************************
* PathStripToRootA [SHLWAPI.@]
*
* Reduce a path to its root.
*
* PARAMS
* lpszPath [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 seperated arguments from a path.
*
* PARAMS
* lpszPath [I] 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[-1] = '\0';
else
{
LPWSTR lpszLastChar = CharPrevW(lpszPath, lpszArgs);
if(*lpszLastChar == ' ')
*lpszLastChar = '\0';
}
}
}
/*************************************************************************
* PathRemoveExtensionA [SHLWAPI.@]
*
* Remove the file extension from a path
*
* PARAMS
* lpszPath [O] Path to remove the extension from
*
* RETURNS
* Nothing.
*/
void WINAPI PathRemoveExtensionA(LPSTR lpszPath)
{
TRACE("(%s)\n", debugstr_a(lpszPath));
if (lpszPath)
{
lpszPath = PathFindExtensionA(lpszPath);
*lpszPath = '\0';
}
}
/*************************************************************************
* PathRemoveExtensionW [SHLWAPI.@]
*
* See PathRemoveExtensionA.
*/
void WINAPI PathRemoveExtensionW(LPWSTR lpszPath)
{
TRACE("(%s)\n", debugstr_w(lpszPath));
if (lpszPath)
{
lpszPath = PathFindExtensionW(lpszPath);
*lpszPath = '\0';
}
}
/*************************************************************************
* PathRemoveBackslashA [SHLWAPI.@]
*
* Remove a trailing backslash from a path.
*
* PARAMS
* lpszPath [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 = CharPrevW(lpszPath, lpszPath + strlenW(lpszPath));
if (!PathIsRootW(lpszPath) && *szTemp == '\\')
*szTemp = '\0';
}
return szTemp;
}
/*************************************************************************
* PathRemoveBlanksA [SHLWAPI.@]
*
* Remove Spaces from the start and end of a path.
*
* PARAMS
* lpszPath [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 containg spaces in quotes.
*
* PARAMS
* lpszPath [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,' '))
{
int 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 [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 [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_PathFindLocalExeA
*
* Internal implementation of SHLWAPI_3.
*/
BOOL WINAPI SHLWAPI_PathFindLocalExeA (LPSTR lpszPath, DWORD dwWhich)
{
BOOL bRet = FALSE;
TRACE("(%s,%ld)\n", debugstr_a(lpszPath), dwWhich);
if (lpszPath)
{
WCHAR szPath[MAX_PATH];
MultiByteToWideChar(0,0,lpszPath,-1,szPath,MAX_PATH);
bRet = SHLWAPI_PathFindLocalExeW(szPath, dwWhich);
if (bRet)
WideCharToMultiByte(0,0,szPath,-1,lpszPath,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* SHLWAPI_PathFindLocalExeW
*
* Internal implementation of SHLWAPI_4.
*/
BOOL WINAPI SHLWAPI_PathFindLocalExeW (LPWSTR lpszPath, DWORD dwWhich)
{
static const WCHAR pszExts[7][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,%ld)\n", debugstr_w(lpszPath), dwWhich);
if (!lpszPath || PathIsUNCServerW(lpszPath) || PathIsUNCServerShareW(lpszPath))
return FALSE;
if (dwWhich)
{
LPCWSTR szExt = PathFindExtensionW(lpszPath);
if (!*szExt || dwWhich & 0x40)
{
int iChoose = 0;
int iLen = lstrlenW(lpszPath);
if (iLen > (MAX_PATH - 5))
return FALSE;
while (dwWhich & 0x1 && iChoose < sizeof(pszExts))
{
lstrcpyW(lpszPath + iLen, pszExts[iChoose]);
if (PathFileExistsW(lpszPath))
return TRUE;
iChoose++;
dwWhich >>= 1;
}
*(lpszPath + iLen) = (WCHAR)'\0';
return FALSE;
}
}
return PathFileExistsW(lpszPath);
}
/*************************************************************************
* SHLWAPI_PathFindInOtherDirs
*
* Internal helper for SHLWAPI_PathFindOnPathExA/W.
*/
static BOOL WINAPI SHLWAPI_PathFindInOtherDirs(LPWSTR lpszFile, DWORD dwWhich)
{
static WCHAR szSystem[] = { 'S','y','s','t','e','m','\0'};
static WCHAR szPath[] = { 'P','A','T','H','\0'};
DWORD dwLenPATH;
LPCWSTR lpszCurr;
WCHAR *lpszPATH;
WCHAR buff[MAX_PATH];
TRACE("(%s,%08lx)\n", debugstr_w(lpszFile), dwWhich);
/* Try system directories */
GetSystemDirectoryW(buff, MAX_PATH);
if (!PathAppendW(buff, lpszFile))
return FALSE;
if (SHLWAPI_PathFindLocalExeW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
GetWindowsDirectoryW(buff, MAX_PATH);
if (!PathAppendW(buff, szSystem ) || !PathAppendW(buff, lpszFile))
return FALSE;
if (SHLWAPI_PathFindLocalExeW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
GetWindowsDirectoryW(buff, MAX_PATH);
if (!PathAppendW(buff, lpszFile))
return FALSE;
if (SHLWAPI_PathFindLocalExeW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
return TRUE;
}
/* Try dirs listed in %PATH% */
dwLenPATH = GetEnvironmentVariableW(szPath, buff, MAX_PATH);
if (!dwLenPATH || !(lpszPATH = malloc((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))
return FALSE;
if (SHLWAPI_PathFindLocalExeW(buff, dwWhich))
{
strcpyW(lpszFile, buff);
free(lpszPATH);
return TRUE;
}
}
free(lpszPATH);
return FALSE;
}
/*************************************************************************
* SHLWAPI_PathFindOnPathExA
*
* Internal implementation of SHLWAPI_5
*/
BOOL WINAPI SHLWAPI_PathFindOnPathExA(LPSTR lpszFile, LPCSTR *lppszOtherDirs, DWORD dwWhich)
{
WCHAR szFile[MAX_PATH];
WCHAR buff[MAX_PATH];
TRACE("(%s,%p,%08lx)\n", debugstr_a(lpszFile), lppszOtherDirs, dwWhich);
if (!lpszFile || !PathIsFileSpecA(lpszFile))
return FALSE;
MultiByteToWideChar(0,0,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(0,0,*lpszOtherPath,-1,szOther,MAX_PATH);
PathCombineW(buff, szOther, szFile);
if (SHLWAPI_PathFindLocalExeW(buff, dwWhich))
{
WideCharToMultiByte(0,0,buff,-1,lpszFile,MAX_PATH,0,0);
return TRUE;
}
lpszOtherPath++;
}
}
/* Not found, try system and path dirs */
if (SHLWAPI_PathFindInOtherDirs(szFile, dwWhich))
{
WideCharToMultiByte(0,0,szFile,-1,lpszFile,MAX_PATH,0,0);
return TRUE;
}
return FALSE;
}
/*************************************************************************
* SHLWAPI_PathFindOnPathExW
*
* Internal implementation of SHLWAPI_6.
*/
BOOL WINAPI SHLWAPI_PathFindOnPathExW(LPWSTR lpszFile, LPCWSTR *lppszOtherDirs, DWORD dwWhich)
{
WCHAR buff[MAX_PATH];
TRACE("(%s,%p,%08lx)\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 (SHLWAPI_PathFindLocalExeW(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 [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 SHLWAPI_PathFindOnPathExA(lpszFile, lppszOtherDirs, 0);
}
/*************************************************************************
* PathFindOnPathW [SHLWAPI.@]
*
* See PathFindOnPathA.
*/
BOOL WINAPI PathFindOnPathW (LPWSTR lpszFile, LPCWSTR *lppszOtherDirs)
{
TRACE("(%s,%p)\n", debugstr_w(lpszFile), lppszOtherDirs);
return SHLWAPI_PathFindOnPathExW(lpszFile,lppszOtherDirs, 0);
}
/*************************************************************************
* PathCompactPathExA [SHLWAPI.@]
*
* Compact a path.
*
* PARAMS
* lpszDest [O] Destination for compacted path
* lpszPath [I] Source path
* cchMax [I[ Size of lpszDest
* dwFlags [I] Compaction flags
*
* RETURNS
* FIXME
*/
BOOL WINAPI PathCompactPathExA(LPSTR lpszDest, LPCSTR lpszPath,
UINT cchMax, DWORD dwFlags)
{
BOOL bRet = FALSE;
TRACE("(%p,%s,%d,0x%08lx)\n", lpszDest, debugstr_a(lpszPath), cchMax, dwFlags);
if (lpszPath && lpszDest)
{
WCHAR szPath[MAX_PATH];
WCHAR szDest[MAX_PATH];
MultiByteToWideChar(0,0,lpszPath,-1,szPath,MAX_PATH);
szDest[0] = '\0';
bRet = PathCompactPathExW(szDest, szPath, cchMax, dwFlags);
WideCharToMultiByte(0,0,szDest,-1,lpszDest,MAX_PATH,0,0);
}
return bRet;
}
/*************************************************************************
* PathCompactPathExW [SHLWAPI.@]
*
* See PathCompactPathExA.
*/
BOOL WINAPI PathCompactPathExW(LPWSTR lpszDest, LPCWSTR lpszPath,
UINT cchMax, DWORD dwFlags)
{
FIXME("(%p,%s,%d,0x%08lx)-stub\n", lpszDest, debugstr_w(lpszPath), cchMax, dwFlags);
if (!lpszPath)
return FALSE;
if (!lpszDest)
{
WARN("Invalid lpszDest would crash under Win32!\n");
return FALSE;
}
/* FIXME */
return FALSE;
}
/*************************************************************************
* 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 = CharNextW(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)) == -1)
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)) == -1)
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;
iPrevErrMode = SetErrorMode(1);
dwAttr = GetFileAttributesA(lpszPath);
SetErrorMode(iPrevErrMode);
return dwAttr == -1 ? FALSE : TRUE;
}
/*************************************************************************
* 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(1);
dwAttr = GetFileAttributesW(lpszPath);
SetErrorMode(iPrevErrMode);
return dwAttr == -1 ? FALSE : TRUE;
}
/*************************************************************************
* PathMatchSingleMaskA [internal]
*
* NOTES
* internal (used by PathMatchSpec)
*/
static BOOL PathMatchSingleMaskA(LPCSTR name, LPCSTR mask)
{
while (*name && *mask && *mask!=';')
{
if (*mask=='*')
{
do
{
if (PathMatchSingleMaskA(name,mask+1)) return 1; /* try substrings */
} while (*name++);
return 0;
}
if (toupper(*mask)!=toupper(*name) && *mask!='?') return 0;
name = CharNextA(name);
mask = CharNextA(mask);
}
if (!*name)
{
while (*mask=='*') mask++;
if (!*mask || *mask==';') return 1;
}
return 0;
}
/*************************************************************************
* PathMatchSingleMaskW [internal]
*/
static BOOL PathMatchSingleMaskW(LPCWSTR name, LPCWSTR mask)
{
while (*name && *mask && *mask!=';')
{
if (*mask=='*')
{
do
{
if (PathMatchSingleMaskW(name,mask+1)) return 1; /* try substrings */
} while (*name++);
return 0;
}
if (toupperW(*mask)!=toupperW(*name) && *mask!='?') return 0;
name = CharNextW(name);
mask = CharNextW(mask);
}
if (!*name)
{
while (*mask=='*') mask++;
if (!*mask || *mask==';') return 1;
}
return 0;
}
/*************************************************************************
* 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 seperated by ";". The
* pattern "*.*" is treated specially in that it matches all paths (for
* backwards compatability with DOS).
*/
BOOL WINAPI PathMatchSpecA(LPCSTR name, LPCSTR mask)
{
TRACE("%s %s\n",name,mask);
if (!lstrcmpA( mask, "*.*" )) return 1; /* we don't require a period */
while (*mask)
{
if (PathMatchSingleMaskA(name,mask)) return 1; /* helper function */
while (*mask && *mask!=';') mask = CharNextA(mask);
if (*mask==';')
{
mask++;
while (*mask==' ') mask++; /* masks may be separated by "; " */
}
}
return 0;
}
/*************************************************************************
* PathMatchSpecW [SHLWAPI.@]
*
* See PathMatchSpecA.
*/
BOOL WINAPI PathMatchSpecW(LPCWSTR name, LPCWSTR mask)
{
static const WCHAR stemp[] = { '*','.','*',0 };
TRACE("%s %s\n",debugstr_w(name),debugstr_w(mask));
if (!lstrcmpW( mask, stemp )) return 1; /* we don't require a period */
while (*mask)
{
if (PathMatchSingleMaskW(name,mask)) return 1; /* helper function */
while (*mask && *mask!=';') mask = CharNextW(mask);
if (*mask==';')
{
mask++;
while (*mask==' ') mask++; /* masks may be separated by "; " */
}
}
return 0;
}
/*************************************************************************
* 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;
DWORD 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;
DWORD 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;
}
/*************************************************************************
* PathIsURLA [SHLWAPI.@]
*
* Check if the given path is a URL.
*
* PARAMS
* lpszPath [I] Path to check.
*
* RETURNS
* TRUE if lpszPath is a URL.
* FALSE if lpszPath is NULL or not a URL.
*/
BOOL WINAPI PathIsURLA(LPCSTR lpstrPath)
{
UNKNOWN_SHLWAPI_1 base;
DWORD res1;
if (!lpstrPath || !*lpstrPath) return FALSE;
/* get protocol */
base.size = 24;
res1 = SHLWAPI_1(lpstrPath, &base);
return (base.fcncde) ? TRUE : FALSE;
}
/*************************************************************************
* PathIsURLW [SHLWAPI.@]
*/
BOOL WINAPI PathIsURLW(LPCWSTR lpstrPath)
{
UNKNOWN_SHLWAPI_2 base;
DWORD res1;
if (!lpstrPath || !*lpstrPath) return FALSE;
/* get protocol */
base.size = 24;
res1 = SHLWAPI_2(lpstrPath, &base);
return (base.fcncde) ? TRUE : FALSE;
}
/*************************************************************************
* PathIsContentTypeA [SHLWAPI.@]
*
* Determine if a file is of a registered content type.
*
* PARAMS
* lpszPath [I] file to chack
*
* RETURNS
* TRUE If lpszPath is a registered content type
* FALSE Otherwise.
*/
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 chack
*
* RETURNS
* TRUE If lpszPath is a file spec (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 = CharNextW(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) == 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) == 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%08lx)\n", debugstr_a(lpszPath), dwAttrib);
if (lpszPath && *lpszPath)
dwAttrib = GetFileAttributesA(lpszPath);
if (dwAttrib == -1 || !(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%08lx)\n", debugstr_w(lpszPath), dwAttrib);
if (lpszPath && *lpszPath)
dwAttrib = GetFileAttributesW(lpszPath);
if (dwAttrib == -1 || !(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));
if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
return TRUE;
return FALSE;
}
/*************************************************************************
* PathIsUNCW [SHLWAPI.@]
*
* See PathIsUNCA.
*/
BOOL WINAPI PathIsUNCW(LPCWSTR lpszPath)
{
TRACE("(%s)\n",debugstr_w(lpszPath));
if (lpszPath && (lpszPath[0]=='\\') && (lpszPath[1]=='\\'))
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++ == '\\' && *lpszPath++ == '\\')
{
while (*lpszPath)
{
if (*lpszPath == '\\')
return FALSE;
lpszPath = CharNextW(lpszPath);
}
return TRUE;
}
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 = CharNextW(lpszPath);
}
return bSeenSlash;
}
return FALSE;
}
/*************************************************************************
* PathCanonicalizeA [SHLWAPI.@]
*
* Convert a path to its canonical form.
*
* PARAMS
* lpszBuf [O] Output path
* lpszPath [I] Path to cnonicalize
*
* 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];
MultiByteToWideChar(0,0,lpszPath,-1,szPath,MAX_PATH);
bRet = PathCanonicalizeW(szBuff, szPath);
WideCharToMultiByte(0,0,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 inital \\
*/
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 [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 allready, or the new path length is too big.
*
* FIXME
* What version of shlwapi.dll adds "exe" if pszExtension is NULL? Win2k
* does not do this, so the behaviour was removed.
*/
BOOL WINAPI PathAddExtensionA(LPSTR lpszPath, LPCSTR lpszExtension)
{
DWORD 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)
{
DWORD 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 [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 || !*pszIter)
return FALSE;
while (*pszIter)
{
if (islower(*pszIter) || IsDBCSLeadByte(*pszIter))
return FALSE; /* Not DOS path */
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 || !*pszIter)
return FALSE;
while (*pszIter)
{
if (islowerW(*pszIter))
return FALSE; /* Not DOS path */
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 comparason
* lpszFile2 [I] Second path for comparason
* 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 implimented
* 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)
{
int 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 compatable 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)
{
int 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 compatable 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 [O] Path to be printed to hDc
* dx [i] Desired width
*
* RETURNS
* TRUE If the path was modified.
* FALSE Otherwise.
*/
BOOL WINAPI PathCompactPathA(HDC hDC, LPSTR lpszPath, UINT dx)
{
BOOL bRet = FALSE;
TRACE("(%08x,%s,%d)\n", hDC, debugstr_a(lpszPath), dx);
if (lpszPath)
{
WCHAR szPath[MAX_PATH];
MultiByteToWideChar(0,0,lpszPath,-1,szPath,MAX_PATH);
bRet = PathCompactPathW(hDC, szPath, dx);
WideCharToMultiByte(0,0,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("(%08x,%s,%d)\n", hDC, debugstr_w(lpszPath), dx);
if (!lpszPath)
return bRet;
if (!hDC)
hdc = hDC = GetDC(0);
/* Get the length of the whole path */
dwLen = strlenW(lpszPath);
GetTextExtentPointW(hDC, lpszPath, dwLen, &size);
if (size.cx > dx)
{
/* Path too big, must reduce it */
LPWSTR sFile;
DWORD dwEllipsesLen = 0, dwPathLen = 0;
sFile = PathFindFileNameW(lpszPath);
if (sFile != lpszPath)
sFile = CharPrevW(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
*/
strncpyW(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 = CharPrevW(lpszPath, sPath);
if (!bEllipses)
{
bEllipses = TRUE;
sPath = CharPrevW(lpszPath, sPath);
sPath = CharPrevW(lpszPath, sPath);
}
} while (sPath > lpszPath);
if (sPath > lpszPath)
{
if (bEllipses)
{
strcpyW(sPath, szEllipses);
strcpyW(sPath+3, buff);
}
if (hdc)
ReleaseDC(0, hdc);
return TRUE;
}
strcpyW(lpszPath, szEllipses);
strcpyW(lpszPath+3, buff);
return FALSE;
}
/* 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;
strncpyW(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);
}
}
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 == 255)
flags = GCT_INVALID; /* Invalid */
else if (ch == '*' || ch=='?')
flags = GCT_WILD; /* Wildchars */
else if ((ch == '\\') || (ch=='/') || (ch == ':'))
return GCT_SEPARATOR; /* Path separators */
else
{
if (ch < 126)
{
if (!ch || isalnum(ch) || ch == '$' || ch == '&' || ch == '(' ||
ch == '.' || ch == '@' || ch == '^' ||
ch == '\'' || ch == 130 || ch == '`')
flags |= GCT_SHORTCHAR; /* All these are valid for DOS */
}
else
if (!(ch & 0x1))
flags |= GCT_SHORTCHAR; /* Bug compatable with win32 */
flags |= GCT_LFNCHAR; /* Valid for long file names */
}
return flags;
}
/*************************************************************************
* SHLWAPI_UseSystemForSystemFolders
*
* Internal helper for PathMakeSystemFolderW.
*/
static BOOL SHLWAPI_UseSystemForSystemFolders()
{
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(0,0,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, dont 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)) == -1)
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
* pszPath [O] Path to swap the extension in
* pszExt [I] The new extension
*
* RETURNS
* TRUE if pszPath was modified
* FALSE if pszPath or pszExt 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.@]
*
* Unimplemented.
*
* PARAMS
* lpszPath [I]
* lpszBuf [O]
* cchBuf [I] Size of lpszBuf
*
* RETURNS
* Unknown.
*/
BOOL WINAPI PathSearchAndQualifyA(LPCSTR lpszPath, LPSTR lpszBuf, UINT cchBuf)
{
FIXME("(%s,%p,0x%08x)-stub\n", debugstr_a(lpszPath), lpszBuf, cchBuf);
return FALSE;
}
/*************************************************************************
* PathSearchAndQualifyW [SHLWAPI.@]
*
* See PathSearchAndQualifyA
*/
BOOL WINAPI PathSearchAndQualifyW(LPCWSTR lpszPath, LPWSTR lpszBuf, UINT cchBuf)
{
FIXME("(%s,%p,0x%08x)-stub\n", debugstr_w(lpszPath), lpszBuf, cchBuf);
return FALSE;
}
/*************************************************************************
* 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 MB 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.@]
*
* 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 PathCreateFromUrlA(LPCSTR lpszUrl, LPSTR lpszPath,
LPDWORD pcchPath, DWORD dwFlags)
{
FIXME("(%s,%p,%p,0x%08lx)-stub\n", debugstr_a(lpszUrl), lpszPath, pcchPath, dwFlags);
if (!lpszUrl || !lpszPath || !pcchPath || !*pcchPath)
return E_INVALIDARG;
/* extracts thing prior to : in pszURL and checks against:
* https
* shell
* local
* about - if match returns E_INVALIDARG
*/
return S_OK;
}
/*************************************************************************
* PathCreateFromUrlW [SHLWAPI.@]
*
* See PathCreateFromUrlA.
*/
HRESULT WINAPI PathCreateFromUrlW(LPCWSTR lpszUrl, LPWSTR lpszPath,
LPDWORD pcchPath, DWORD dwFlags)
{
FIXME("(%s,%p,%p,0x%08lx)-stub\n", debugstr_w(lpszUrl), lpszPath, pcchPath, dwFlags);
if (!lpszUrl || !lpszPath || !pcchPath || !*pcchPath)
return E_INVALIDARG;
return S_OK;
}
/*************************************************************************
* 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 relavtive 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%08lx,%s,0x%08lx)\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(0,0,lpszFrom,-1,szFrom,MAX_PATH);
MultiByteToWideChar(0,0,lpszTo,-1,szTo,MAX_PATH);
bRet = PathRelativePathToW(szPath,szFrom,dwAttrFrom,szTo,dwAttrTo);
WideCharToMultiByte(0,0,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%08lx,%s,0x%08lx)\n", lpszPath, debugstr_w(lpszFrom),
dwAttrFrom, debugstr_w(lpszTo), dwAttrTo);
if(!lpszPath || !lpszFrom || !lpszTo)
return FALSE;
*lpszPath = '\0';
strncpyW(szFrom, lpszFrom, MAX_PATH);
strncpyW(szTo, lpszTo, MAX_PATH);
if(!(dwAttrFrom & FILE_ATTRIBUTE_DIRECTORY))
PathRemoveFileSpecW(szFrom);
if(!(dwAttrFrom & 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)) == -1 ||
!(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)) == -1 ||
!(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("(%8x,%8x,%s)\n",hDlg, id, debugstr_a(lpszPath));
if (lpszPath)
MultiByteToWideChar(0,0,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("(%8x,%8x,%s)\n",hDlg, id, debugstr_w(lpszPath));
if (!(hwItem = GetDlgItem(hDlg, id)))
return;
if (lpszPath)
strncpyW(path, lpszPath, sizeof(path));
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 path is a UNC share or mapped network drive
* FALSE If path is a local drive or cannot be determined
*/
BOOL WINAPI PathIsNetworkPathA(LPCSTR lpszPath)
{
static BOOL (WINAPI *pfnFunc)(DWORD);
DWORD 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;
GET_FUNC(shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
return pfnFunc(dwDriveNum);
}
/*************************************************************************
* PathIsNetworkPathW [SHLWAPI.@]
*
* See PathIsNetworkPathA.
*/
BOOL WINAPI PathIsNetworkPathW(LPCWSTR lpszPath)
{
static BOOL (WINAPI *pfnFunc)(DWORD);
DWORD 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;
GET_FUNC(shell32, (LPCSTR)66, FALSE); /* ord 66 = shell32.IsNetDrive */
return pfnFunc(dwDriveNum);
}
/*************************************************************************
* 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 8.3 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(0,0,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 = FALSE;
WIN32_FIND_DATAW find_data;
TRACE("(%s)\n",debugstr_w(lpszPath));
if (!lpszPath || !PathIsDirectoryW(lpszPath))
return FALSE;
strncpyW(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 &&
find_data.cFileName[0] == '.' &&
find_data.cFileName[1] == '.')
{
/* The only directory entry should be the parent */
if (!FindNextFileW(hfind, &find_data))
retVal = TRUE;
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.
*/
int WINAPI PathFindSuffixArrayA(LPCSTR lpszSuffix, LPCSTR *lppszArray, int dwCount)
{
DWORD 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)
{
DWORD dwCompareLen = strlen(*lppszArray);
if (dwCompareLen < dwLen)
{
if (!strcmp(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
return dwRet; /* Found */
}
dwRet++;
lppszArray++;
}
}
return 0;
}
/*************************************************************************
* PathFindSuffixArrayW [SHLWAPI.@]
*
* See PathFindSuffixArrayA.
*/
int WINAPI PathFindSuffixArrayW(LPCWSTR lpszSuffix, LPCWSTR *lppszArray, int dwCount)
{
DWORD 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)
{
DWORD dwCompareLen = strlenW(*lppszArray);
if (dwCompareLen < dwLen)
{
if (!strcmpW(lpszSuffix + dwLen - dwCompareLen, *lppszArray))
return dwRet; /* Found */
}
dwRet++;
lppszArray++;
}
}
return 0;
}
/*************************************************************************
* PathUndecorateA [SHLWAPI.@]
*
* Undecorate a file path
*
* PARAMS
* lpszPath [O] Path to undecorate
*
* 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';
}
}
}
}
Reference in a new issue View git blame Copy permalink