Пример #1
0
//----------------------------------------------------------------------
// Decodes all valid hex encoded bytes at the head of the
// StringExtractor, limited by dst_len.
//
// Returns the number of bytes successfully decoded
//----------------------------------------------------------------------
size_t StringExtractor::GetHexBytesAvail(llvm::MutableArrayRef<uint8_t> dest) {
  size_t bytes_extracted = 0;
  while (!dest.empty()) {
    int decode = DecodeHexU8();
    if (decode == -1)
      break;
    dest[0] = (uint8_t)decode;
    dest = dest.drop_front();
    ++bytes_extracted;
  }
  return bytes_extracted;
}
Пример #2
0
size_t StringExtractor::GetHexBytes(llvm::MutableArrayRef<uint8_t> dest,
                                    uint8_t fail_fill_value) {
  size_t bytes_extracted = 0;
  while (!dest.empty() && GetBytesLeft() > 0) {
    dest[0] = GetHexU8(fail_fill_value);
    if (!IsGood())
      break;
    ++bytes_extracted;
    dest = dest.drop_front();
  }

  if (!dest.empty())
    ::memset(dest.data(), fail_fill_value, dest.size());

  return bytes_extracted;
}