From c94284482a8b02f4dac1451399e0f255e75c03d4 Mon Sep 17 00:00:00 2001
From: guyo13 <guy@guyor.net>
Date: Sun, 22 May 2022 20:51:58 +0300
Subject: [PATCH] Return Err on deadline checked_add overflow instead of panic
 (#517)

---
 src/request.rs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/request.rs b/src/request.rs
index ed2a987..adb866c 100644
--- a/src/request.rs
+++ b/src/request.rs
@@ -3,12 +3,13 @@ use std::{fmt, time};
 
 use url::{form_urlencoded, ParseError, Url};
 
+use crate::agent::Agent;
 use crate::body::Payload;
+use crate::error::{Error, ErrorKind};
 use crate::header::{self, Header};
 use crate::middleware::MiddlewareNext;
 use crate::unit::{self, Unit};
 use crate::Response;
-use crate::{agent::Agent, error::Error};
 
 pub type Result<T> = std::result::Result<T, Error>;
 
@@ -123,7 +124,15 @@ impl Request {
             None => None,
             Some(timeout) => {
                 let now = time::Instant::now();
-                Some(now.checked_add(timeout).unwrap())
+                match now.checked_add(timeout) {
+                    Some(dl) => Some(dl),
+                    None => {
+                        return Err(Error::new(
+                            ErrorKind::Io,
+                            Some("Request deadline overflowed".to_string()),
+                        ))
+                    }
+                }
             }
         };