frontend_common: Manually handle opening config file

SimpleIni only has the ability to use ANSI strings for config paths so this breaks opening configs on paths with special characters. This ensures that we open the right path on each platform.

1 files changed, 31 insertions, 2 deletions

diff --git a/src/frontend_common/config.cpp b/src/frontend_common/config.cpp
index b3f4a54a44..cf149ec26d 100644
--- a/src/frontend_common/config.cpp
+++ b/src/frontend_common/config.cpp
@@ -16,6 +16,8 @@
 
 #include <boost/algorithm/string/replace.hpp>
 
+#include "common/string_util.h"
+
 namespace FS = Common::FS;
 
 Config::Config(const ConfigType config_type)
@@ -56,16 +58,43 @@ void Config::Initialize(const std::optional<std::string> config_path) {
 }
 
 void Config::WriteToIni() const {
-    if (const SI_Error rc = config->SaveFile(config_loc.c_str(), false); rc < 0) {
+    FILE* fp = nullptr;
+#ifdef _WIN32
+    fp = _wfopen(Common::UTF8ToUTF16W(config_loc).data(), L"wb");
+#else
+    fp = fopen(config_loc.c_str(), "wb");
+#endif
+
+    CSimpleIniA::FileWriter writer(fp);
+    const SI_Error rc = config->Save(writer, false);
+    if (rc < 0) {
         LOG_ERROR(Frontend, "Config file could not be saved!");
     }
+    fclose(fp);
 }
 
 void Config::SetUpIni() {
     config = std::make_unique<CSimpleIniA>();
     config->SetUnicode(true);
     config->SetSpaces(false);
-    config->LoadFile(config_loc.c_str());
+
+    FILE* fp = nullptr;
+#ifdef _WIN32
+    _wfopen_s(&fp, Common::UTF8ToUTF16W(config_loc).data(), L"rb, ccs=UTF-8");
+    if (fp == nullptr) {
+        fp = _wfopen(Common::UTF8ToUTF16W(config_loc).data(), L"wb, ccs=UTF-8");
+    }
+#else
+    fp = fopen(config_loc.c_str(), "rb");
+    if (fp == nullptr) {
+        fp = fopen(config_loc.c_str(), "wb");
+    }
+#endif
+
+    if (SI_Error rc = config->LoadFile(fp); rc < 0) {
+        LOG_ERROR(Frontend, "Config file could not be loaded!");
+    }
+    fclose(fp);
 }
 
 bool Config::IsCustomConfig() const {