From f6fee86f1c95d95e8a5f4e57d30f15d411530685 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Fri, 24 Jan 2020 14:51:10 +1000
Subject: [PATCH] HostInterface: Create user directories on startup

---
 src/core/host_interface.cpp | 11 +++++++++++
 src/core/host_interface.h   |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/src/core/host_interface.cpp b/src/core/host_interface.cpp
index 1b08004d4..112b5301a 100644
--- a/src/core/host_interface.cpp
+++ b/src/core/host_interface.cpp
@@ -53,6 +53,7 @@ static std::string GetRelativePath(const std::string& path, const char* new_file
 HostInterface::HostInterface()
 {
   SetUserDirectory();
+  CreateUserDirectorySubdirectories();
   m_game_list = std::make_unique<GameList>();
   m_game_list->SetCacheFilename(GetGameListCacheFileName());
   m_game_list->SetDatabaseFilename(GetGameListDatabaseFileName());
@@ -464,6 +465,16 @@ void HostInterface::SetUserDirectory()
   }
 }
 
+void HostInterface::CreateUserDirectorySubdirectories()
+{
+  bool result = true;
+
+  result &= FileSystem::CreateDirectory(GetUserDirectoryRelativePath("cache").c_str(), false);
+
+  if (!result)
+    ReportError("Failed to create one or more user directories. This may cause issues at runtime.");
+}
+
 std::string HostInterface::GetUserDirectoryRelativePath(const char* format, ...) const
 {
   std::va_list ap;
diff --git a/src/core/host_interface.h b/src/core/host_interface.h
index 1e546809a..199d57e37 100644
--- a/src/core/host_interface.h
+++ b/src/core/host_interface.h
@@ -90,6 +90,9 @@ protected:
 
   void SetUserDirectory();
 
+  /// Ensures all subdirectories of the user directory are created.
+  void CreateUserDirectorySubdirectories();
+
   /// Returns the path of the settings file.
   std::string GetSettingsFileName() const;