From f23915baa15bdf155762d2ca869ad0b4df1aaf32 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Tue, 14 Aug 2018 12:44:31 -0600
Subject: [PATCH] Fix for BIO ssl case, which is not supported (for the
 Boost.Asio project this isn't required either).

---
 src/bio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bio.c b/src/bio.c
index 514fd2bf4..a28fafd02 100644
--- a/src/bio.c
+++ b/src/bio.c
@@ -696,7 +696,8 @@ size_t wolfSSL_BIO_wpending(const WOLFSSL_BIO *bio)
         return 0;
 
     if (bio->ssl != NULL) {
-        return (long)wolfSSL_pending(bio->ssl);
+        /* not supported case */
+        return 0;
     }
 
     if (bio->type == WOLFSSL_BIO_MEMORY) {
@@ -710,7 +711,6 @@ size_t wolfSSL_BIO_wpending(const WOLFSSL_BIO *bio)
     }
 
     return 0;
-
 }
 
 /* Return the number of pending bytes in read and write buffers */