#include "common_vector_test.h"

size_t strlength(const char *str) {
  size_t index = 0;
  while (str[index]) {
    index++;
  }
  return index;
}

bool strequal(const char *str1, const char *str2) {
  uint32_t index = 0;

  while (str1[index] && str2[index] && str1[index] == str2[index]) {
    index++;
  }

  return str1[index] == str2[index];
}

uint64_t random64(void) {
  static uint64_t state = 4;  // chosen by fair dice roll.
                              // guaranteed to be random.
  state *= 1234512345;
  state += 5432154321;
  return state;
}