/
unknwn.go
56 lines (48 loc) · 1.44 KB
/
unknwn.go
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/*
* Copyright (c) 2014-2017 MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the license is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package wrappers
import (
"syscall"
"unsafe"
)
var (
IID_IUnknown = GUID{0x00000000, 0x0000, 0x0000, [8]byte{0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46}}
)
type IUnknownVtbl struct {
QueryInterface uintptr
AddRef uintptr
Release uintptr
}
type IUnknown struct {
Vtbl *IUnknownVtbl
}
func (self *IUnknown) QueryInterface(iid *GUID, object *uintptr) uint32 {
r1, _, _ := syscall.Syscall(
self.Vtbl.QueryInterface,
3,
uintptr(unsafe.Pointer(self)),
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(object)))
return uint32(r1)
}
func (self *IUnknown) AddRef() uint32 {
r1, _, _ := syscall.Syscall(self.Vtbl.AddRef, 1, uintptr(unsafe.Pointer(self)), 0, 0)
return uint32(r1)
}
func (self *IUnknown) Release() uint32 {
r1, _, _ := syscall.Syscall(self.Vtbl.Release, 1, uintptr(unsafe.Pointer(self)), 0, 0)
return uint32(r1)
}