From 85c43cd666443935f6a18ecace8783d42ec528ce Mon Sep 17 00:00:00 2001
From: jp9000 <obs.jim@gmail.com>
Date: Tue, 24 Jan 2017 12:49:47 -0800
Subject: [PATCH] UI: Protect debug text static string var with mutex

---
 UI/obs-app.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/UI/obs-app.cpp b/UI/obs-app.cpp
index 607b86a17..5b2d38080 100644
--- a/UI/obs-app.cpp
+++ b/UI/obs-app.cpp
@@ -318,9 +318,12 @@ static void do_log(int log_level, const char *msg, va_list args, void *param)
 
 #ifdef _WIN32
 	if (IsDebuggerPresent()) {
-		static wstring wide_buf;
 		int wNum = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
 		if (wNum > 1) {
+			static wstring wide_buf;
+			static mutex wide_mutex;
+
+			lock_guard<mutex> lock(wide_mutex);
 			wide_buf.reserve(wNum + 1);
 			wide_buf.resize(wNum - 1);
 			MultiByteToWideChar(CP_UTF8, 0, str, -1, &wide_buf[0],