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sys: cached read/write testing

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This commit is contained in:
Bill Zissimopoulos
2016-03-11 14:44:17 -08:00
parent 3f98d1cb01
commit 151247f1e6
8 changed files with 97 additions and 43 deletions
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26
tst/winfsp-tests/memfs.cpp
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@ -438,33 +438,17 @@ static NTSTATUS Read(FSP_FILE_SYSTEM *FileSystem,
static NTSTATUS Write(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode0, PVOID Buffer, UINT64 Offset, ULONG Length, BOOLEAN Constrained,
PVOID FileNode0, PVOID Buffer, UINT64 Offset, ULONG Length, BOOLEAN WriteToEndOfFile,
PULONG PBytesTransferred, FSP_FSCTL_FILE_INFO *FileInfo)
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
UINT64 EndOffset;
if ((UINT64)-1LL == Offset)
if (WriteToEndOfFile)
Offset = FileNode->FileInfo.FileSize;
if (Constrained)
{
if (Offset >= FileNode->FileInfo.FileSize)
{
*PBytesTransferred = 0;
return STATUS_SUCCESS;
}
EndOffset = Offset + Length;
if (EndOffset > FileNode->FileInfo.FileSize)
EndOffset = FileNode->FileInfo.FileSize;
}
else
{
EndOffset = Offset + Length;
if (EndOffset > FileNode->FileInfo.FileSize)
SetFileSize(FileSystem, Request, FileNode, EndOffset, FileInfo);
}
EndOffset = Offset + Length;
if (EndOffset > FileNode->FileInfo.FileSize)
SetFileSize(FileSystem, Request, FileNode, EndOffset, FileInfo);
memcpy((PUINT8)FileNode->FileData + Offset, Buffer, EndOffset - Offset);