Fix check segment_result range(for node issue #51514)

[ChenKS12138]

Fix an intermittent issue identified by @danfuzz in nodejs/node#51514

Reproudction

Code Example

#include "ada.cpp"
#include "ada.h"
#include <iostream>

int main(int, char *[]) {
  auto url = ada::parse<ada::url>("https://1.1.1.256");
  if (!url) {
    std::cout << "failure" << std::endl;
    return EXIT_FAILURE;
  }
  url->set_protocol("http");
  std::cout << url->get_protocol() << std::endl;
  std::cout << url->get_host() << std::endl;
  return EXIT_SUCCESS;
}

Expected

Raise an error and stop parse.

Actual

Successfully parsed.

Reason

This is an edge case, segment_result should not be equal to the size of remaining bits.

ada/src/url.cpp

Lines 64 to 83 in 4814d2f

	if (input.empty()) {
	// We have the last value.
	// At this stage, ipv4 contains digit_count*8 bits.
	// So we have 32-digit_count*8 bits left.
	if (segment_result > (uint64_t(1) << (32 - digit_count * 8))) {
	return is_valid = false;
	}
	ipv4 <<= (32 - digit_count * 8);
	ipv4 |= segment_result;
	goto final;
	} else {
	// There is more, so that the value must no be larger than 255
	// and we must have a '.'.
	if ((segment_result > 255) || (input[0] != '.')) {
	return is_valid = false;
	}
	ipv4 <<= 8;
	ipv4 |= segment_result;
	input.remove_prefix(1); // remove '.'
	}