1/* 2 * Copyright (c) 2022-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import { int32 } from "@koalaui/common" 17import { KPointer } from "../../interop/InteropTypes" 18 19export const nullptr: number = 0 20 21export function isNullPtr(value: KPointer): boolean { 22 return (value == nullptr) 23} 24 25export function ptrToString(ptr: KPointer) { 26 if (ptr === 0) return "0x0" 27 28 const hex = (ptr as number).toString(16).padStart(8, "0") 29 return `0x${hex}` 30} 31 32export function isSamePtr(a: KPointer, b: KPointer) { 33 return a === b 34} 35 36export function ptrToBits(ptr: KPointer): Uint32Array { 37 let result = new Uint32Array(2) 38 result[0] = ptr as int32 39 return result 40} 41 42export function bitsToPtr(array: Int32Array, offset: int32): KPointer { 43 return array[offset] 44} 45