1 files changed, 36 insertions, 0 deletions
diff --git a/core/src/Utils/IO/CstdioFile.cpp b/core/src/Utils/IO/CstdioFile.cpp
new file mode 100644
index 0000000..0f6378a
--- /dev/null
+++ b/core/src/Utils/IO/CstdioFile.cpp
@@ -0,0 +1,36 @@
+#include "CstdioFile.hpp"
+
+#include "Utils/Macros.hpp"
+
+#pragma push_macro("MODE_STRING")
+#undef MODE_STRING
+
+#if defined(_WIN32)
+#	define MODE_STRING(x) L##x
+#else
+#	define MODE_STRING(x) x
+#endif
+
+namespace CPLT_UNITY_ID {
+auto GetModeString(FileUtils::IoMode mode)
+{
+	switch (mode) {
+		case FileUtils::IM_Read: return MODE_STRING("rb");
+		case FileUtils::IM_WriteAppend: return MODE_STRING("ab");
+		case FileUtils::IM_WriteTruncate: return MODE_STRING("wb");
+	}
+	return MODE_STRING("");
+}
+} // namespace CPLT_UNITY_ID
+
+#pragma pop_macro("MODE_STRING")
+
+FILE* FileUtils::OpenCstdioFile(const std::filesystem::path& path, IoMode mode)
+{
+#ifdef _WIN32
+	// std::filesystem::path::c_str() returns `const wchar_t*` under Windows, because NT uses UTF-16 natively
+	return _wfopen(path.c_str(), ::GetModeString(mode));
+#else
+	return fopen(path.c_str(), CPLT_UNITY_ID::GetModeString(mode));
+#endif
+}