From 36676d2628a5fbcbf73badb3995c942283b838bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9o=20Lam?= <leo@leolam.fr>
Date: Sat, 28 Dec 2019 20:31:21 +0100
Subject: [PATCH] IOS/FS: Implement Format properly

---
 Source/Core/Core/IOS/FS/HostBackend/FS.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Source/Core/Core/IOS/FS/HostBackend/FS.cpp b/Source/Core/Core/IOS/FS/HostBackend/FS.cpp
index 4cff7bfb72..4f67a30a03 100644
--- a/Source/Core/Core/IOS/FS/HostBackend/FS.cpp
+++ b/Source/Core/Core/IOS/FS/HostBackend/FS.cpp
@@ -334,9 +334,17 @@ void HostFileSystem::DoState(PointerWrap& p)
 
 ResultCode HostFileSystem::Format(Uid uid)
 {
+  if (uid != 0)
+    return ResultCode::AccessDenied;
+  if (m_root_path.empty())
+    return ResultCode::AccessDenied;
   const std::string root = BuildFilename("/");
   if (!File::DeleteDirRecursively(root) || !File::CreateDir(root))
     return ResultCode::UnknownError;
+  ResetFst();
+  SaveFst();
+  // Reset and close all handles.
+  m_handles = {};
   return ResultCode::Success;
 }