Function wstring2string

RedEdrShared/utils.cpp:148–164

std::string wstring2string(std::wstring& wide_string) {
    if (wide_string.empty()) {
        return "";
    }

    // Determine the size needed for the UTF-8 buffer
    int size_needed = WideCharToMultiByte(CP_UTF8, 0, wide_string.c_str(), -1, nullptr, 0, nullptr, nullptr);
    if (size_needed <= 0) {
        throw std::runtime_error("Failed to calculate size for UTF-8 string.");
    }

    // Allocate the buffer and perform the conversion
    std::string utf8_string(size_needed - 1, '\0'); // Exclude the null terminator
    WideCharToMultiByte(CP_UTF8, 0, wide_string.c_str(), -1, &utf8_string[0], size_needed, nullptr, nullptr);

    return utf8_string;
}


/*