From 87c0770c426dd787df4d76c53eeb42b0ed55ef02 Mon Sep 17 00:00:00 2001
From: Gabi Melman <gmelman1@gmail.com>
Date: Mon, 24 Nov 2014 14:18:29 +0200
Subject: [PATCH] Update os.h

Provide shared read access to log files under windows
---
 include/spdlog/details/os.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/spdlog/details/os.h b/include/spdlog/details/os.h
index 6d46e940..cd9dd61f 100644
--- a/include/spdlog/details/os.h
+++ b/include/spdlog/details/os.h
@@ -120,7 +120,8 @@ constexpr inline unsigned short eol_size()
 inline int fopen_s(FILE** fp, const std::string& filename, const char* mode)
 {
 #ifdef _WIN32
-    return ::fopen_s(fp, filename.c_str(), mode);
+    *fp = _fsopen((filename.c_str()), mode, _SH_DENYWR);
+    return *fp == nullptr;
 #else
     *fp = fopen((filename.c_str()), mode);
     return *fp == nullptr;