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ntoskrnl.exe: Implement ExUuidCreate().

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This is mostly a copy of UuidCreate() in rpcrt4 with NTSTATUS return code.

Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2019-02-27 11:08:42 +08:00 committed by Alexandre Julliard
parent 1eaa59765f
commit 948d39c529
3 changed files with 36 additions and 1 deletions
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33
dlls/ntoskrnl.exe/ntoskrnl.c
View File

@ -41,6 +41,7 @@
#include "dbt.h"
#include "winreg.h"
#include "setupapi.h"
#include "ntsecapi.h"
#include "ddk/csq.h"
#include "ddk/ntddk.h"
#include "ddk/ntifs.h"
@ -4128,3 +4129,35 @@ static struct _OBJECT_TYPE token_type =
};
POBJECT_TYPE SeTokenObjectType = &token_type;
/*************************************************************************
* ExUuidCreate (NTOSKRNL.@)
*
* Creates a 128bit UUID.
*
* RETURNS
*
* STATUS_SUCCESS if successful.
* RPC_NT_UUID_LOCAL_ONLY if UUID is only locally unique.
*
* NOTES
*
* Follows RFC 4122, section 4.4 (Algorithms for Creating a UUID from
* Truly Random or Pseudo-Random Numbers)
*/
NTSTATUS WINAPI ExUuidCreate(UUID *uuid)
{
RtlGenRandom(uuid, sizeof(*uuid));
/* Clear the version bits and set the version (4) */
uuid->Data3 &= 0x0fff;
uuid->Data3 |= (4 << 12);
/* Set the topmost bits of Data4 (clock_seq_hi_and_reserved) as
* specified in RFC 4122, section 4.4.
*/
uuid->Data4[0] &= 0x3f;
uuid->Data4[0] |= 0x80;
TRACE("%s\n", debugstr_guid(uuid));
return STATUS_SUCCESS;
}

2
dlls/ntoskrnl.exe/ntoskrnl.exe.spec
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@ -185,7 +185,7 @@
@ stub ExSystemExceptionFilter
@ stdcall ExSystemTimeToLocalTime(ptr ptr) RtlSystemTimeToLocalTime
@ stub ExUnregisterCallback
@ stub ExUuidCreate
@ stdcall ExUuidCreate(ptr)
@ stub ExVerifySuite
@ stub ExWindowStationObjectType
@ stub Exi386InterlockedDecrementLong

2
include/ddk/ntddk.h
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@ -202,7 +202,9 @@ typedef NTSTATUS (WINAPI *PIO_QUERY_DEVICE_ROUTINE)(PVOID,PUNICODE_STRING,INTERF
PKEY_VALUE_FULL_INFORMATION*,CONFIGURATION_TYPE,ULONG,PKEY_VALUE_FULL_INFORMATION*);
typedef void (NTAPI EXPAND_STACK_CALLOUT)(void*);
typedef EXPAND_STACK_CALLOUT *PEXPAND_STACK_CALLOUT;
typedef GUID UUID;
NTSTATUS WINAPI ExUuidCreate(UUID*);
NTSTATUS WINAPI IoQueryDeviceDescription(PINTERFACE_TYPE,PULONG,PCONFIGURATION_TYPE,PULONG,
PCONFIGURATION_TYPE,PULONG,PIO_QUERY_DEVICE_ROUTINE,PVOID);
void WINAPI IoRegisterDriverReinitialization(PDRIVER_OBJECT,PDRIVER_REINITIALIZE,PVOID);