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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 gowin32
import (
"github.com/winlabs/gowin32/wrappers"
"syscall"
"unsafe"
)
func BstrToString(bstr *uint16) string {
if bstr == nil {
return ""
}
len := wrappers.SysStringLen(bstr)
buf := make([]uint16, len)
wrappers.RtlMoveMemory(
(*byte)(unsafe.Pointer(&buf[0])),
(*byte)(unsafe.Pointer(bstr)),
uintptr(2*len))
return syscall.UTF16ToString(buf)
}
func LpstrToString(lpstr *uint16) string {
if lpstr == nil {
return ""
}
len := wrappers.Lstrlen(lpstr)
if len == 0 {
return ""
}
buf := make([]uint16, len)
wrappers.RtlMoveMemory(
(*byte)(unsafe.Pointer(&buf[0])),
(*byte)(unsafe.Pointer(lpstr)),
uintptr(2*len))
return syscall.UTF16ToString(buf)
}
func MakeDoubleNullTerminatedLpstr(items ...string) *uint16 {
chars := []uint16{}
for _, s := range items {
chars = append(chars, syscall.StringToUTF16(s)...)
}
chars = append(chars, 0)
return &chars[0]
}
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