From 1a9d59c185c7f7570df6e680dc9a0ba8a8648f50 Mon Sep 17 00:00:00 2001
From: Juliusz Sosinowicz <juliusz@wolfssl.com>
Date: Thu, 1 Apr 2021 21:01:51 +0200
Subject: [PATCH] `front` may be unused and generate a warning

---
 src/bio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/bio.c b/src/bio.c
index 75c008783..79e792949 100644
--- a/src/bio.c
+++ b/src/bio.c
@@ -311,6 +311,9 @@ static int wolfSSL_BIO_BASE64_write(WOLFSSL_BIO* bio, const void* data,
         return BAD_FUNC_ARG;
     }
 
+    /* Potentially unused when memory functions ignore heap hints */
+    (void)front;
+
     /* get the encoded length */
     if (bio->flags & WOLFSSL_BIO_FLAG_BASE64_NO_NL) {
         if (Base64_Encode_NoNl((const byte*)data, inLen, NULL,