CheckNameLegalDOS8Dot3 function
Determines whether the specified name can be used to create a file on a FAT file system.
Syntax
BOOL WINAPI CheckNameLegalDOS8Dot3( _In_ LPCTSTR lpName, _Out_opt_ LPSTR lpOemName, _In_ DWORD OemNameSize, _Out_opt_ PBOOL pbNameContainsSpaces, _Out_ PBOOL pbNameLegal );
Parameters
- lpName [in]
-
The file name, in 8.3 format.
- lpOemName [out, optional]
-
A pointer to a buffer that receives the OEM string that corresponds to Name. This parameter can be NULL.
- OemNameSize [in]
-
The size of the lpOemName buffer, in characters. If lpOemName is NULL, this parameter must be 0 (zero).
- pbNameContainsSpaces [out, optional]
-
Indicates whether or not a name contains spaces. This parameter can be NULL. If the name is not a valid 8.3 FAT file system name, this parameter is undefined.
- pbNameLegal [out]
-
If the function succeeds, this parameter indicates whether a file name is a valid 8.3 FAT file name when the current OEM code page is applied to the file name.
Return value
If the function succeeds, the return value is nonzero.
If the function fails, the return value is 0 (zero). To get extended error information, call GetLastError.
Remarks
This function can be used to determine whether or not a file name can be passed to a 16-bit Windows-based application or an MS-DOS-based application.
In Windows 8 and Windows Server 2012, this function is supported by the following technologies.
| Technology | Supported |
|---|---|
|
Server Message Block (SMB) 3.0 protocol |
Yes |
|
SMB 3.0 Transparent Failover (TFO) |
See remarks |
|
SMB 3.0 with Scale-out File Shares (SO) |
See remarks |
|
Cluster Shared Volume File System (CsvFS) |
Yes |
|
Resilient File System (ReFS) |
Yes |
Note that SMB 3.0 does not support short names on shares with continuous availability capability, so function will always return zero (fail).
Requirements
|
Minimum supported client |
Windows Vista, Windows XP with SP1 [desktop apps only] |
|---|---|
|
Minimum supported server |
Windows Server 2003 [desktop apps only] |
|
Header |
|
|
Library |
|
|
DLL |
|
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Unicode and ANSI names |
CheckNameLegalDOS8Dot3W (Unicode) and CheckNameLegalDOS8Dot3A (ANSI) |
See also