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RxInferFileType tries to infer the file type (directory or non-directory) from a member in the RX_CONTEXT structure.
Syntax
RX_FILE_TYPE RxInferFileType(
[in] IN PRX_CONTEXT RxContext
);
Parameters
[in] RxContext
A pointer to the RX_CONTEXT structure.
Return value
RxInferFileType returns the storage type implied by the open.
| Return code | Description |
|---|---|
|
The file type is a directory. |
|
The file type is a file. |
|
The file type could not be determined.
If RxInferFileType cannot determine the file type, this routine returns this value. |
Remarks
RxInferFileType tries to infer the file type (directory or non-directory) from the Create.NtCreateParameters.CreateOptions member in the RX_CONTEXT structure.
The RxInferFileType routine is not called internally by RDBSS. The RxInferFileType routine might be used as a helper routine by a network mini-redirector driver in the MRxCreate routine provided by the network mini-redirector. MRxCreate would normally be called when an I/O request packet is received for IRP_MJ_CREATE. This IRP is normally received by RDBSS in response to a user-mode application requesting a file open or create operation. It is also possible for another kernel driver to issue such an IRP.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Desktop |
| Header | fcb.h (include Rxcontx.h, Nodetype.h, Mrxfcb.h, Fcb.h) |
| IRQL | <= APC_LEVEL |