From b0214ff862508ca77ce76b9028aaf8422d7083b9 Mon Sep 17 00:00:00 2001
From: Travis Wilson <travisw@microsoft.com>
Date: Mon, 31 Aug 2020 17:19:56 -0700
Subject: [PATCH] Make experimental capture work on Windows with read-write
 temp file behavior

---
 src/catch2/internal/catch_output_redirect.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/catch2/internal/catch_output_redirect.cpp b/src/catch2/internal/catch_output_redirect.cpp
index e8e9404f..49cfaa0d 100644
--- a/src/catch2/internal/catch_output_redirect.cpp
+++ b/src/catch2/internal/catch_output_redirect.cpp
@@ -64,7 +64,7 @@ namespace Catch {
         if (tmpnam_s(m_buffer)) {
             CATCH_RUNTIME_ERROR("Could not get a temp filename");
         }
-        if (fopen_s(&m_file, m_buffer, "w")) {
+        if (fopen_s(&m_file, m_buffer, "w+")) {
             char buffer[100];
             if (strerror_s(buffer, errno)) {
                 CATCH_RUNTIME_ERROR("Could not translate errno to a string");