System: Fix incorrect sanitization of memcard filenames

src/core/memory_card.cpp

@@ -36,20 +36,6 @@ MemoryCard::~MemoryCard()
   SaveIfChanged(false);
 }
 
-std::string MemoryCard::SanitizeGameTitleForFileName(const std::string_view& name)
-{
-  std::string ret(name);
-
-  const u32 len = static_cast<u32>(ret.length());
-  for (u32 i = 0; i < len; i++)
-  {
-    if (ret[i] == '\\' || ret[i] == '/' || ret[i] == '?' || ret[i] == '*')
-      ret[i] = '_';
-  }
-
-  return ret;
-}
-
 TickCount MemoryCard::GetSaveDelayInTicks()
 {
   return System::GetTicksPerSecond() * SAVE_DELAY_IN_SECONDS;

src/core/memory_card.h

@@ -20,8 +20,6 @@ public:
 
   static constexpr u32 STATE_SIZE = 1 + 1 + 2 + 1 + 1 + 1 + MemoryCardImage::DATA_SIZE + 1;
 
-  static std::string SanitizeGameTitleForFileName(const std::string_view& name);
-
   static std::unique_ptr<MemoryCard> Create();
   static std::unique_ptr<MemoryCard> Open(std::string_view filename);
 

src/core/system.cpp

@@ -3068,21 +3068,18 @@ std::unique_ptr<MemoryCard> System::GetMemoryCardForSlot(u32 slot, MemoryCardTyp
         // Playlist - use title if different.
         if (HasMediaSubImages() && s_running_game_entry && s_running_game_title != s_running_game_entry->title)
         {
-          card_path =
-            g_settings.GetGameMemoryCardPath(MemoryCard::SanitizeGameTitleForFileName(s_running_game_title), slot);
+          card_path = g_settings.GetGameMemoryCardPath(Path::SanitizeFileName(s_running_game_title), slot);
         }
         // Multi-disc game - use disc set name.
         else if (s_running_game_entry && !s_running_game_entry->disc_set_name.empty())
         {
-          card_path = g_settings.GetGameMemoryCardPath(
-            MemoryCard::SanitizeGameTitleForFileName(s_running_game_entry->disc_set_name), slot);
+          card_path =
+            g_settings.GetGameMemoryCardPath(Path::SanitizeFileName(s_running_game_entry->disc_set_name), slot);
         }
 
         // But prefer a disc-specific card if one already exists.
-        std::string disc_card_path =
-          g_settings.GetGameMemoryCardPath(MemoryCard::SanitizeGameTitleForFileName(
-                                             s_running_game_entry ? s_running_game_entry->title : s_running_game_title),
-                                           slot);
+        std::string disc_card_path = g_settings.GetGameMemoryCardPath(
+          Path::SanitizeFileName(s_running_game_entry ? s_running_game_entry->title : s_running_game_title), slot);
         if (disc_card_path != card_path)
         {
           if (card_path.empty() || !g_settings.memory_card_use_playlist_title ||
@@ -3122,8 +3119,7 @@ std::unique_ptr<MemoryCard> System::GetMemoryCardForSlot(u32 slot, MemoryCardTyp
       else
       {
         Host::RemoveKeyedOSDMessage(std::move(message_key));
-        return MemoryCard::Open(
-          g_settings.GetGameMemoryCardPath(MemoryCard::SanitizeGameTitleForFileName(file_title).c_str(), slot));
+        return MemoryCard::Open(g_settings.GetGameMemoryCardPath(Path::SanitizeFileName(file_title).c_str(), slot));
       }
     }
 

src/duckstation-qt/mainwindow.cpp

@@ -856,12 +856,11 @@ void MainWindow::populateGameListContextMenu(const GameList::Entry* entry, QWidg
           break;
         case MemoryCardType::PerGameTitle:
         {
-          paths[i] = QString::fromStdString(
-            g_settings.GetGameMemoryCardPath(MemoryCard::SanitizeGameTitleForFileName(entry->title), i));
+          paths[i] = QString::fromStdString(g_settings.GetGameMemoryCardPath(Path::SanitizeFileName(entry->title), i));
           if (!entry->disc_set_name.empty() && g_settings.memory_card_use_playlist_title && !QFile::exists(paths[i]))
           {
-            paths[i] = QString::fromStdString(
-              g_settings.GetGameMemoryCardPath(MemoryCard::SanitizeGameTitleForFileName(entry->disc_set_name), i));
+            paths[i] =
+              QString::fromStdString(g_settings.GetGameMemoryCardPath(Path::SanitizeFileName(entry->disc_set_name), i));
           }
         }
         break;
@@ -869,8 +868,8 @@ void MainWindow::populateGameListContextMenu(const GameList::Entry* entry, QWidg
         case MemoryCardType::PerGameFileTitle:
         {
           const std::string display_name(FileSystem::GetDisplayNameFromPath(entry->path));
-          paths[i] = QString::fromStdString(g_settings.GetGameMemoryCardPath(
-            MemoryCard::SanitizeGameTitleForFileName(Path::GetFileTitle(display_name)), i));
+          paths[i] = QString::fromStdString(
+            g_settings.GetGameMemoryCardPath(Path::SanitizeFileName(Path::GetFileTitle(display_name)), i));
         }
         break;
         default:
@@ -1086,8 +1085,7 @@ void MainWindow::onCheatsActionTriggered()
 void MainWindow::onCheatsMenuAboutToShow()
 {
   m_ui.menuCheats->clear();
-  connect(m_ui.menuCheats->addAction(tr("Cheat Manager")), &QAction::triggered, this,
-          &MainWindow::openCheatManager);
+  connect(m_ui.menuCheats->addAction(tr("Cheat Manager")), &QAction::triggered, this, &MainWindow::openCheatManager);
   m_ui.menuCheats->addSeparator();
   populateCheatsMenu(m_ui.menuCheats);
 }