Gives ANSI path to curl CURLOPT_CAINFO

Utilities/StrFmt.cpp

@@ -14,6 +14,31 @@
 #include <errno.h>
 #endif
 
+#ifdef _WIN32
+std::string utf8_path_to_ansi_path(const std::string& src)
+{
+	std::vector<wchar_t> buf_wide, buf_short;
+	std::string buf_final;
+
+	// Converts the utf-8 path to wide char
+	auto tmp_size = MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, nullptr, 0);
+	buf_wide.resize(tmp_size);
+	MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, buf_wide.data(), tmp_size);
+
+	// Get the short path from the wide char path(short path should only contain ansi characters)
+	tmp_size = GetShortPathNameW(buf_wide.data(), nullptr, 0);
+	buf_short.resize(tmp_size);
+	GetShortPathNameW(buf_wide.data(), buf_short.data(), tmp_size);
+
+	// Convert wide char to ansi
+	tmp_size = WideCharToMultiByte(CP_ACP, 0, buf_short.data(), -1, nullptr, 0, nullptr, nullptr);
+	buf_final.resize(tmp_size);
+	WideCharToMultiByte(CP_ACP, 0, buf_short.data(), -1, buf_final.data(), tmp_size, nullptr, nullptr);
+
+	return buf_final;
+}
+#endif
+
 template <>
 void fmt_class_string<std::pair<const fmt_type_info*, u64>>::format(std::string& out, u64 arg)
 {

Utilities/StrUtil.h

@@ -7,6 +7,10 @@
 #include <functional>
 #include <string_view>
 
+#ifdef _WIN32
+std::string utf8_path_to_ansi_path(const std::string& src);
+#endif
+
 // Copy null-terminated string from a std::string or a char array to a char array with truncation
 template <typename D, typename T>
 inline void strcpy_trunc(D& dst, const T& src)

rpcs3/rpcs3qt/curl_handle.cpp

@@ -9,7 +9,9 @@ curl_handle::curl_handle(QObject* parent) : QObject(parent)
 #ifdef _WIN32
 	// This shouldn't be needed on linux
 	const std::string path_to_cert = Emulator::GetEmuDir() + "cacert.pem";
-	curl_easy_setopt(m_curl, CURLOPT_CAINFO, path_to_cert.c_str());
+	const std::string ansi_path = utf8_path_to_ansi_path(path_to_cert);
+
+	curl_easy_setopt(m_curl, CURLOPT_CAINFO, ansi_path.data());
 #endif
 }