Function is_base64

source/core/StarEncode.cpp:128–130

}

static inline bool is_base64(unsigned char c) {
  return (isalnum(c) || (c == '+') || (c == '/'));
}

size_t base64Decode(char const* src, size_t len, char* output, size_t outLen) {
  if (outLen == 0)