Function pni_allowed_descriptor_code

c/src/core/decoder.c:480–487

We disallow using any compound type as a described descriptor to avoid recursion in decoding. Although these seem syntactically valid they don't seem to be of any conceivable use!

// in decoding. Although these seem syntactically valid they don't seem to be of any
// conceivable use!
static inline bool pni_allowed_descriptor_code(uint8_t code)
{
  return
    code != PNE_DESCRIPTOR &&
    code != PNE_ARRAY8 && code != PNE_ARRAY32 &&
    code != PNE_LIST8 && code != PNE_LIST32 &&
    code != PNE_MAP8 && code != PNE_MAP32;
}

int pni_decoder_single_described(pn_decoder_t *decoder, pn_data_t *data)
{