Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-04-23 00:43:00 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: fsctl: WIP

Browse Source
This commit is contained in:
Bill Zissimopoulos 2015-11-26 13:06:32 -08:00
parent 91ace92aaf
commit d710e7a437
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
inc/winfsp/fsctl.h
View File

@ -30,7 +30,9 @@ extern const __declspec(selectany) GUID FspFsvrtDeviceClassGuid =
CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 0x800 + 'T', METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSP_FSCTL_CREATE_BUFFER_SIZE 128
#define FSP_FSCTL_TRANSACT_BUFFER_SIZE 4096
#define FSP_FSCTL_TRANSACT_BUFFER_SIZE (16 * 1024)
#define FSP_FSCTL_TRANSACT_REQ_SIZEMAX (sizeof(FSP_TRANSACT_REQ) + 1024 * sizeof(WCHAR))
#define FSP_FSCTL_TRANSACT_RSP_SIZEMAX (sizeof(FSP_TRANSACT_RSP) + 1024 * sizeof(WCHAR))
/* marshalling */
#pragma warning(push)

4
src/sys/fsctl.c
View File

@ -186,6 +186,10 @@ static NTSTATUS FspFsvrtTransact(
return STATUS_CANCELLED;
}
/* check that we have enough space before pulling the next pending IRP off the queue */
if ((PUINT8)Request + FSP_FSCTL_TRANSACT_REQ_SIZEMAX > SystemBufferEnd)
break;
PendingIrp = FspIoqNextPendingIrp(&FsvrtDeviceExtension->Ioq, 0);
if (0 == PendingIrp)
break;