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minor optimization: reserve buffer once length is known (ws) (#2950)

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moh-eulith 2023-05-07 11:13:10 -04:00 committed by GitHub
parent 6fdda45ca3
commit 17218dc6c8
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1 changed files with 5 additions and 0 deletions
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5
actix-http/src/ws/frame.rs
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@ -1,3 +1,4 @@
use std::cmp::min;
use std::convert::TryFrom;
use bytes::{Buf, BufMut, BytesMut};
@ -96,6 +97,10 @@ impl Parser {
// not enough data
if src.len() < idx + length {
let min_length = min(length, max_size);
if src.capacity() < idx + min_length {
src.reserve(idx + min_length - src.capacity());
}
return Ok(None);
}