134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 2000 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
SxsPath.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Jay Krell (a-JayK) October 2000
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
\\machine\share -> \\?\unc\machine\share
|
||
|
|
c:\foo -> \\?\c:\foo
|
||
|
|
\\? -> \\?
|
||
|
|
a\b\c -> \\?\c:\windows\a\b\c current-working-directory is c:\windows (can never be unc)
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
FusionpConvertToBigPath(PCWSTR Path, SIZE_T BufferSize, PWSTR Buffer);
|
||
|
|
|
||
|
|
#define MAXIMUM_BIG_PATH_GROWTH_CCH (NUMBER_OF(L"\\\\?\\unc\\"))
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
\\?\unc\machine\share\bob
|
||
|
|
\\?\c:\foo\bar ^
|
||
|
|
--------^---------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
FusionpSkipBigPathRoot(PCWSTR s, OUT SIZE_T*);
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
'\\' or '/'
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
FusionpIsSlash(
|
||
|
|
WCHAR ch
|
||
|
|
);
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
just the 52 chars a-zA-Z, need to check with fs
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
BOOL
|
||
|
|
FusionpIsDriveLetter(
|
||
|
|
WCHAR ch
|
||
|
|
);
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
SxspIsUncPath(
|
||
|
|
PCWSTR Path,
|
||
|
|
BOOL*
|
||
|
|
);
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
//
|
||
|
|
// This is not reliable.
|
||
|
|
//
|
||
|
|
// Nt Paths can look like absolute DOS/Win32 paths without the leading drive letter:
|
||
|
|
// \foo\bar -> c:\foo\bar
|
||
|
|
//
|
||
|
|
// But we are not likely to get Nt paths that don't start with a double question mark:
|
||
|
|
// \??\c:\foo\bar.
|
||
|
|
//
|
||
|
|
// (For example, on NT 3.x create a directory named \DosDevices, which is what \?? used to be
|
||
|
|
// named..)
|
||
|
|
//
|
||
|
|
BOOL
|
||
|
|
SxspIsNtPath(
|
||
|
|
PCWSTR Path,
|
||
|
|
BOOL*
|
||
|
|
);
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// The acceptable forms are
|
||
|
|
//
|
||
|
|
// Win32 \\machine\share
|
||
|
|
// Win32 c:\foo
|
||
|
|
// NT \??\c:\foo
|
||
|
|
// NT \??\unc\machine\share
|
||
|
|
// Win32 \\?\c:\foo
|
||
|
|
// Win32 \\?\unc\machine\share
|
||
|
|
//
|
||
|
|
// Anything with a colon is ambiguous. The colon could mean an NTFS alternate stream.
|
||
|
|
// We never take that interpretation.
|
||
|
|
//
|
||
|
|
// The non fullpath \foo\bar is ambiguous. It could be an NT path.
|
||
|
|
//
|
||
|
|
// We are only checking for NT paths currently to assert that we don't get them.
|
||
|
|
// We used to get them.
|
||
|
|
//
|
||
|
|
//
|
||
|
|
-----------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
SxspIsFullWin32OrNtPath(
|
||
|
|
PCWSTR Path,
|
||
|
|
BOOL* Result
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//#define PATH_IS_REMOTE (0x00001)
|
||
|
|
//#define PATH_IS_LOCAL (0x00002)
|
||
|
|
//#define PATH_IS_WIN32 (0x00004)
|
||
|
|
//#define PATH_IS_WIN32_LONG (0x00008) /* starts \\?\ */
|
||
|
|
//#define PATH_IS_NT (0x00010)
|
||
|
|
//#define PATH_IS_FULL (0x00020)
|
||
|
|
//#define PATH_HAS_AMBIGUOUS_DRIVE_COLON_OR_NTFS_COLON (0x00040)
|
||
|
|
//#define PATH_IS_AMBIGUOUS_WIN32_OR_NT (0x00080) /* does not start with one of c:\ or \?? or \\ */
|
||
|
|
//
|
||
|
|
//BOOL
|
||
|
|
//SxspAnalyzePath(
|
||
|
|
// PCWSTR Path,
|
||
|
|
// PCWSTR* LastElement,
|
||
|
|
// ULONG* PathCharacteristics
|
||
|
|
// );
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|