17 lines
511 B
TypeScript
17 lines
511 B
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import { type BufReader } from "./buf_reader.ts";
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import { readShort } from "./read_short.ts";
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/**
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* Read big endian 32bit integer from BufReader
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* @param buf
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*/
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export async function readInt(buf: BufReader): Promise<number | null> {
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const high = await readShort(buf);
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if (high === null) return null;
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const low = await readShort(buf);
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if (low === null) throw new Deno.errors.UnexpectedEof();
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return (high << 16) | low;
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}
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