From f041f4e19cf53522ce25256438384b9cbd0f2dfb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?=
 <manuel.pegourie-gonnard@arm.com>
Date: Wed, 24 Jul 2019 00:58:27 +0200
Subject: [PATCH] Fix MSVC warning

We know the length of the ALPN string is always less than 255, so the cast to
uint8_t is safe.
---
 library/ssl_tls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index b0454ceb8..3971fd7a6 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -11553,7 +11553,7 @@ int mbedtls_ssl_context_save( mbedtls_ssl_context *ssl,
 #if defined(MBEDTLS_SSL_ALPN)
     {
         const uint8_t alpn_len = ssl->alpn_chosen
-                               ? strlen( ssl->alpn_chosen )
+                               ? (uint8_t) strlen( ssl->alpn_chosen )
                                : 0;
 
         used += 1 + alpn_len;