From 0fe97e2f761f5e7d82c3f70dd71a16b9a8e75bab Mon Sep 17 00:00:00 2001
From: Richard Whitehouse <github@richardwhiuk.com>
Date: Sun, 29 Oct 2017 18:34:57 +0000
Subject: [PATCH] Support Max-Forwards header

---
 src/parser.rs | 7 ++++++-
 src/types.rs  | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/parser.rs b/src/parser.rs
index dec4600..06d0db2 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -960,6 +960,10 @@ named!(in_reply_to_header<Vec<CallId>>, preceded!(
 		tag!(","),
 		call_id)));
 
+named!(max_forwards_header<u32>, preceded!(
+	tag!(b"Max-Forwards:"),
+	number));
+
 named!(pub header<Header>, alt!(
 // RFC 3261 Headers
 	accept_header => { |a| Header::Accept(a) } |
@@ -982,5 +986,6 @@ named!(pub header<Header>, alt!(
 	error_info_header => { |e| Header::ErrorInfo(e) } |
 	expires_header => { |e| Header::Expires(e) } |
 	from_header => { |f| Header::From(f) } |
-	in_reply_to_header => { |i| Header::InReplyTo(i) }
+	in_reply_to_header => { |i| Header::InReplyTo(i) } |
+	max_forwards_header => { |m| Header::MaxForwards(m) }
 ));
diff --git a/src/types.rs b/src/types.rs
index b076daa..0525703 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -364,6 +364,7 @@ pub enum Header {
     Expires(u32),
     From(From),
     InReplyTo(Vec<CallId>),
+    MaxForwards(u32),
     To(Uri),
     Extension { name: String, value: String },
 }
-- 
2.34.1