From d949e730f4078335d0e48e591c05a92057f1c5f4 Mon Sep 17 00:00:00 2001
From: Martin Ridgers <martin.ridgers@epicgames.com>
Date: Wed, 17 Nov 2021 09:31:55 +0100
Subject: Corrected flags to open() so behaviour matches Windows' CREATE_ALWAYS

---
 zencore/filesystem.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'zencore/filesystem.cpp')

diff --git a/zencore/filesystem.cpp b/zencore/filesystem.cpp
index 4456757a6..a4c81f6cc 100644
--- a/zencore/filesystem.cpp
+++ b/zencore/filesystem.cpp
@@ -545,11 +545,12 @@ WriteFile(std::filesystem::path Path, const IoBuffer* const* Data, size_t Buffer
 	}
 
 #else
-	int Fd = open(Path.c_str(), O_WRONLY);
+	int OpenFlags = O_WRONLY|O_CREAT|O_TRUNC;
+	int Fd = open(Path.c_str(), OpenFlags);
 	if (Fd < 0)
 	{
 		zen::CreateDirectories(Path.parent_path());
-		Fd = open(Path.c_str(), O_WRONLY);
+		Fd = open(Path.c_str(), OpenFlags);
 	}
 
 	if (Fd < 0)
-- 
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