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sys,dll: ReadDirectory: add Marker, remove Offset

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This commit is contained in:
Bill Zissimopoulos
2017-01-24 18:10:13 -08:00
parent ebad86387c
commit 7843c73d34
9 changed files with 178 additions and 217 deletions
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24
inc/winfsp/winfsp.h
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@@ -649,28 +649,16 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
* The file context of the directory to be read.
* @param Buffer
* Pointer to a buffer that will receive the results of the read operation.
* @param Offset
* Offset within the directory to read from. The kernel does not interpret this value
* which is used solely by the file system to locate directory entries. However the
* special value 0 indicates that the read should start from the first entries. The first
* two entries returned by ReadDirectory should always be the "." and ".." entries,
* except for the root directory which does not have these entries.
*
* This parameter is used by the WinFsp FSD to break directory listings into chunks.
* In this case all 64-bits of the Offset are valid. In some cases the Windows kernel
* (NTOS) may also use this parameter. In this case only the lower 32-bits of this
* parameter will be valid. This is an unfortunate limitation of Windows (for more
* information see the documentation for IRP_MJ_DIRECTORY_CONTROL and the flag
* SL_INDEX_SPECIFIED).
*
* In practice this means that you should only rely on the lower 32-bits of this value
* to be valid.
* @param Length
* Length of data to read.
* @param Pattern
* The pattern to match against files in this directory. Can be NULL. The file system
* can choose to ignore this parameter as the FSD will always perform its own pattern
* matching on the returned results.
* @param Marker
* A file name that marks where in the directory to start reading. Files with names
* that are greater than (not equal to) this marker (in the directory order determined
* by the file system) should be returned. Can be NULL.
* @param PBytesTransferred [out]
* Pointer to a memory location that will receive the actual number of bytes read.
* @return
@@ -680,8 +668,8 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
* FspFileSystemAddDirInfo
*/
NTSTATUS (*ReadDirectory)(FSP_FILE_SYSTEM *FileSystem,
PVOID FileContext, PVOID Buffer, UINT64 Offset, ULONG Length,
PWSTR Pattern,
PVOID FileContext, PVOID Buffer, ULONG Length,
PWSTR Pattern, PWSTR Marker,
PULONG PBytesTransferred);
/**
* Resolve reparse points.