Function ReadAttribute

SampleFramework12/v1.00/TinyEXR.cpp:6739–6764

}

const char *ReadAttribute(std::string &name, std::string &ty,
                          std::vector<unsigned char> &data, const char *ptr) {

  if ((*ptr) == 0) {
    // end of attribute.
    return NULL;
  }

  const char *p = ReadString(name, ptr);

  p = ReadString(ty, p);

  int dataLen;
  memcpy(&dataLen, p, sizeof(int));
  p += 4;

  if (IsBigEndian()) {
    swap4(reinterpret_cast<unsigned int*>(&dataLen));
  }

  data.resize(dataLen);
  memcpy(&data.at(0), p, dataLen);
  p += dataLen;

  return p;
}

void WriteAttribute(FILE *fp, const char *name, const char *type,
                    const unsigned char *data, int len) {