From 90258b6f3433e0e6742ae85caa5342a01d259b48 Mon Sep 17 00:00:00 2001
From: Hayden Roche <hayden@wolfssl.com>
Date: Tue, 27 Oct 2020 21:10:27 -0500
Subject: [PATCH] Fix MSVC compile issue in chacha.c.

Use XMEMSET instead of initializing with {}.
---
 wolfcrypt/src/chacha.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wolfcrypt/src/chacha.c b/wolfcrypt/src/chacha.c
index e109c44da..32feccf86 100644
--- a/wolfcrypt/src/chacha.c
+++ b/wolfcrypt/src/chacha.c
@@ -442,7 +442,8 @@ int wc_Chacha_Process(ChaCha* ctx, byte* output, const byte* input,
 
 void wc_Chacha_purge_current_block(ChaCha* ctx) {
     if (ctx->left > 0) {
-        byte scratch[CHACHA_CHUNK_BYTES] = {0};
+        byte scratch[CHACHA_CHUNK_BYTES];
+        XMEMSET(scratch, 0, sizeof(scratch));
         (void)wc_Chacha_Process(ctx, scratch, scratch, CHACHA_CHUNK_BYTES - ctx->left);
     }
 }