From feb8fe63507a41221745addcaf2e6d674d7aa6ed Mon Sep 17 00:00:00 2001
From: Noah <33094578+coolreader18@users.noreply.github.com>
Date: Sun, 8 Aug 2021 18:52:21 -0400
Subject: [PATCH] Remove some actually unsupported termios iflags on redox

---
 CHANGELOG.md       | 4 ++++
 Cargo.toml         | 2 +-
 src/sys/termios.rs | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4478875c67..a00e04fdf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ### Removed
 
+- Removed a couple of termios constants on redox that were never actually
+  supported.
+  (#[1483](https://github.com/nix-rust/nix/pull/1483))
+
 ## [0.20.0] - 20 February 2021
 ### Added
 
diff --git a/Cargo.toml b/Cargo.toml
index 94042a80dc..54b106c143 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ targets = [
 ]
 
 [dependencies]
-libc = { version = "0.2.82", features = [ "extra_traits" ] }
+libc = { version = "0.2.99", features = [ "extra_traits" ] }
 bitflags = ">= 1.1.0, < 1.3.0"
 cfg-if = "1.0"
 
diff --git a/src/sys/termios.rs b/src/sys/termios.rs
index c30de80d4b..9514836049 100644
--- a/src/sys/termios.rs
+++ b/src/sys/termios.rs
@@ -569,7 +569,9 @@ libc_bitflags! {
         ICRNL;
         IXON;
         IXOFF;
+        #[cfg(not(target_os = "redox"))]
         IXANY;
+        #[cfg(not(target_os = "redox"))]
         IMAXBEL;
         #[cfg(any(target_os = "android", target_os = "linux", target_os = "macos"))]
         IUTF8;