From 54f7d58722e16e47e3781f7a6bd7c80ee4e22520 Mon Sep 17 00:00:00 2001
From: emekoi <emekankurumeh@outlook.com>
Date: Wed, 12 Sep 2018 07:01:48 -0500
Subject: fixed WriteFile segfault

---
 std/os/windows/util.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/std/os/windows/util.zig b/std/os/windows/util.zig
index a489cca163..2a1a82a963 100644
--- a/std/os/windows/util.zig
+++ b/std/os/windows/util.zig
@@ -52,7 +52,8 @@ pub const WriteError = error{
 };
 
 pub fn windowsWrite(handle: windows.HANDLE, bytes: []const u8) WriteError!void {
-    if (windows.WriteFile(handle, bytes.ptr, @intCast(u32, bytes.len), null, null) == 0) {
+    var bytes_written: windows.DWORD = undefined;
+    if (windows.WriteFile(handle, bytes.ptr, @intCast(u32, bytes.len), &bytes_written, null) == 0) {
         const err = windows.GetLastError();
         return switch (err) {
             windows.ERROR.INVALID_USER_BUFFER => WriteError.SystemResources,
-- 
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