we don't need a singleton here

app/src/main/cpp/base.h

@@ -7,16 +7,10 @@
 
 class DataPaths {
 public:
-    std::string original_data_path{};
-    std::string data_path{};
-    std::string load_symbols_from{};
+    static std::string original_data_path;
+    static std::string data_path;
 
-    bool patch_exceptions{};
-
-    static DataPaths& get_instance();
-
-private:
-    DataPaths() {}
+    static bool patch_exceptions;
 };
 
 // this is every function that i thought would be relevant

app/src/main/cpp/launcher-fix.cpp

@@ -4,10 +4,10 @@
 #include "base.h"
 #include "log.hpp"
 
-DataPaths& DataPaths::get_instance() {
-    static auto paths_instance = DataPaths();
-    return paths_instance;
-}
+std::string DataPaths::original_data_path{};
+std::string DataPaths::data_path{};
+
+bool DataPaths::patch_exceptions{};
 
 extern "C"
 JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_setDataPath(
@@ -18,25 +18,11 @@ JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_setDataPath(
     auto is_copy = jboolean();
     auto data_path_str = env->GetStringUTFChars(data_path, &is_copy);
 
-    DataPaths::get_instance().data_path = std::string(data_path_str);
+    DataPaths::data_path = std::string(data_path_str);
 
     env->ReleaseStringUTFChars(data_path, data_path_str);
 }
 
-extern "C"
-JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_enableCustomSymbolList(
-    JNIEnv* env,
-    jobject,
-    jstring symbol_path
-) {
-    auto is_copy = jboolean();
-    auto symbol_path_str = env->GetStringUTFChars(symbol_path, &is_copy);
-
-    DataPaths::get_instance().load_symbols_from = std::string(symbol_path_str);
-
-    env->ReleaseStringUTFChars(symbol_path, symbol_path_str);
-}
-
 extern "C"
 JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_setOriginalDataPath(
         JNIEnv *env,
@@ -46,14 +32,14 @@ JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_setOriginalDataPath(
     auto is_copy = jboolean();
     auto data_path_str = env->GetStringUTFChars(data_path, &is_copy);
 
-    DataPaths::get_instance().original_data_path = std::string(data_path_str);
+    DataPaths::original_data_path = std::string(data_path_str);
 
     env->ReleaseStringUTFChars(data_path, data_path_str);
 }
 
 extern "C"
 JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_enableExceptionsRenaming(JNIEnv*, jobject) {
-    DataPaths::get_instance().patch_exceptions = true;
+    DataPaths::patch_exceptions = true;
 }
 
 // this should be called after gd is loaded but before geode
@@ -62,14 +48,24 @@ extern "C" JNIEXPORT void JNICALL Java_com_geode_launcher_LauncherFix_performPat
 }
 
 std::optional<std::string> redirect_path(const char* pathname) {
-    std::string_view data_path = DataPaths::get_instance().data_path;
-    std::string_view original_data_path = DataPaths::get_instance().original_data_path;
+    std::string_view data_path = DataPaths::data_path;
+    std::string_view original_data_path = DataPaths::original_data_path;
 
-    if (!data_path.empty() && !original_data_path.empty()) {
-        // call this a c string optimization
-        if (std::strncmp(pathname, original_data_path.data(), original_data_path.size()) == 0) {
-            return std::format("{}{}", data_path, (pathname + original_data_path.size()));
-        }
+    if (data_path.empty() || original_data_path.empty()) [[unlikely]] {
+        return std::nullopt;
+    }
+
+    // call this a c string optimization
+    if (std::strncmp(pathname, original_data_path.data(), original_data_path.size()) == 0) {
+        auto remaining_path = (pathname + original_data_path.size());
+        auto remaining_len = strlen(remaining_path);
+
+        std::string x;
+        x.reserve(data_path.size() + remaining_len);
+        x.append(data_path);
+        x.append(remaining_path, remaining_len);
+
+        return x;
     }
 
     return std::nullopt;

app/src/main/cpp/patcher.cpp

@@ -277,7 +277,7 @@ int on_dl_iterate(dl_phdr_info* info, size_t size, void* data) {
             failed = true;
         }
 
-        if (DataPaths::get_instance().patch_exceptions) {
+        if (DataPaths::patch_exceptions) {
             if (!perform_symbol_patches(info, state)) {
                 failed = true;
             }

app/src/main/java/com/geode/launcher/LauncherFix.kt

@@ -16,6 +16,4 @@ object LauncherFix {
     external fun enableExceptionsRenaming()
 
     external fun performPatches()
-
-    external fun enableCustomSymbolList(symbolsPath: String)
 }