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doc: update buffer.constants.MAX_LENGTH #38109

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doc: update buffer.constants.MAX_LENGTH #38109

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a7f61af
doc: update `buffer.constants.MAX_LENGTH`
Ayase-252 Apr 6, 2021
1471e99
fixup: doc: update `buffer.constants.MAX_LENGTH`
Ayase-252 Apr 6, 2021
06fb565
fixup: doc: update `buffer.constants.MAX_LENGTH`
Ayase-252 Apr 7, 2021
a2f9c9e
fixup: doc: update `buffer.constants.MAX_LENGTH`
Ayase-252 Apr 8, 2021
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15 changes: 14 additions & 1 deletion doc/api/buffer.md
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Expand Up @@ -3410,12 +3410,24 @@ added: v8.2.0
#### `buffer.constants.MAX_LENGTH`
<!-- YAML
added: v8.2.0
changes:
- version: v15.0.0
pr-url: https://github.com/nodejs/node/pull/35415
description: Value is changed to 2<sup>32</sup> on 64-bit
architectures.
- version: v14.0.0
pr-url: https://github.com/nodejs/node/pull/32116
description: Value is changed from 2<sup>31</sup> - 1 to
2<sup>32</sup> - 1 on 64-bit architectures.
-->

* {integer} The largest size allowed for a single `Buffer` instance.

On 32-bit architectures, this value currently is 2<sup>30</sup> - 1 (~1GB).
On 64-bit architectures, this value currently is 2<sup>31</sup> - 1 (~2GB).

On 64-bit architectures, this value currently is 2<sup>32</sup> (~4GB).

It reflects [`v8::TypedArray::kMaxLength`][] under the hood.

This value is also available as [`buffer.kMaxLength`][].

Expand Down Expand Up @@ -3585,6 +3597,7 @@ introducing security vulnerabilities into an application.
[`buffer.constants.MAX_STRING_LENGTH`]: #buffer_buffer_constants_max_string_length
[`buffer.kMaxLength`]: #buffer_buffer_kmaxlength
[`util.inspect()`]: util.md#util_util_inspect_object_options
[`v8::TypedArray::kMaxLength`]: https://v8.github.io/api/head/classv8_1_1TypedArray.html#a54a48f4373da0850663c4393d843b9b0
[base64url]: https://tools.ietf.org/html/rfc4648#section-5
[binary strings]: https://developer.mozilla.org/en-US/docs/Web/API/DOMString/Binary
[endianness]: https://en.wikipedia.org/wiki/Endianness
Expand Down