From e1a8ec56c56161be15af1c33067918959e2666de Mon Sep 17 00:00:00 2001
From: Andras Elso <elso.andras@gmail.com>
Date: Tue, 21 Nov 2017 20:35:06 +0100
Subject: [PATCH] Fix: Open files read only if requested

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

diff --git a/src/validation.cpp b/src/validation.cpp
index 99ea1433f9c7e..9d45ef5f81ba9 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3464,7 +3464,7 @@ static FILE* OpenDiskFile(const CDiskBlockPos &pos, const char *prefix, bool fRe
         return nullptr;
     fs::path path = GetBlockPosFilename(pos, prefix);
     fs::create_directories(path.parent_path());
-    FILE* file = fsbridge::fopen(path, "rb+");
+    FILE* file = fsbridge::fopen(path, fReadOnly ? "rb": "rb+");
     if (!file && !fReadOnly)
         file = fsbridge::fopen(path, "wb+");
     if (!file) {