From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/rust/neqo-common/src/lib.rs | 109 ++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 third_party/rust/neqo-common/src/lib.rs

(limited to 'third_party/rust/neqo-common/src/lib.rs')

diff --git a/third_party/rust/neqo-common/src/lib.rs b/third_party/rust/neqo-common/src/lib.rs
new file mode 100644
index 0000000000..853b05705b
--- /dev/null
+++ b/third_party/rust/neqo-common/src/lib.rs
@@ -0,0 +1,109 @@
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![cfg_attr(feature = "deny-warnings", deny(warnings))]
+#![warn(clippy::pedantic)]
+
+mod codec;
+mod datagram;
+pub mod event;
+pub mod header;
+pub mod hrtime;
+mod incrdecoder;
+pub mod log;
+pub mod qlog;
+pub mod timer;
+pub mod tos;
+
+use std::fmt::Write;
+
+use enum_map::Enum;
+
+pub use self::{
+    codec::{Decoder, Encoder},
+    datagram::Datagram,
+    header::Header,
+    incrdecoder::{IncrementalDecoderBuffer, IncrementalDecoderIgnore, IncrementalDecoderUint},
+    tos::{IpTos, IpTosDscp, IpTosEcn},
+};
+
+#[must_use]
+pub fn hex(buf: impl AsRef<[u8]>) -> String {
+    let mut ret = String::with_capacity(buf.as_ref().len() * 2);
+    for b in buf.as_ref() {
+        write!(&mut ret, "{b:02x}").unwrap();
+    }
+    ret
+}
+
+#[must_use]
+pub fn hex_snip_middle(buf: impl AsRef<[u8]>) -> String {
+    const SHOW_LEN: usize = 8;
+    let buf = buf.as_ref();
+    if buf.len() <= SHOW_LEN * 2 {
+        hex_with_len(buf)
+    } else {
+        let mut ret = String::with_capacity(SHOW_LEN * 2 + 16);
+        write!(&mut ret, "[{}]: ", buf.len()).unwrap();
+        for b in &buf[..SHOW_LEN] {
+            write!(&mut ret, "{b:02x}").unwrap();
+        }
+        ret.push_str("..");
+        for b in &buf[buf.len() - SHOW_LEN..] {
+            write!(&mut ret, "{b:02x}").unwrap();
+        }
+        ret
+    }
+}
+
+#[must_use]
+pub fn hex_with_len(buf: impl AsRef<[u8]>) -> String {
+    let buf = buf.as_ref();
+    let mut ret = String::with_capacity(10 + buf.len() * 2);
+    write!(&mut ret, "[{}]: ", buf.len()).unwrap();
+    for b in buf {
+        write!(&mut ret, "{b:02x}").unwrap();
+    }
+    ret
+}
+
+#[must_use]
+pub const fn const_max(a: usize, b: usize) -> usize {
+    [a, b][(a < b) as usize]
+}
+#[must_use]
+pub const fn const_min(a: usize, b: usize) -> usize {
+    [a, b][(a >= b) as usize]
+}
+
+#[derive(Debug, PartialEq, Eq, Copy, Clone, Enum)]
+/// Client or Server.
+pub enum Role {
+    Client,
+    Server,
+}
+
+impl Role {
+    #[must_use]
+    pub fn remote(self) -> Self {
+        match self {
+            Self::Client => Self::Server,
+            Self::Server => Self::Client,
+        }
+    }
+}
+
+impl ::std::fmt::Display for Role {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+        write!(f, "{self:?}")
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum MessageType {
+    Request,
+    Response,
+}
-- 
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