Function stringFromCFString

src/SFML/Window/macOS/JoystickImpl.cpp:44–50

Convert a CFStringRef to std::string

// Convert a CFStringRef to std::string
std::string stringFromCFString(CFStringRef cfString)
{
    const CFIndex     maxSize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(cfString), kCFStringEncodingUTF8);
    std::vector<char> str(static_cast<std::size_t>(maxSize) + 1, '\0');
    CFStringGetCString(cfString, str.data(), maxSize, kCFStringEncodingUTF8);
    return str.data();
}

// Get HID device property key as a string
std::string getDeviceString(IOHIDDeviceRef ref, CFStringRef prop, unsigned int index)