#include "array_ref.h"

#include <string.h>

i8 kit_ar_equal_bytes(i64 left_element_size, i64 left_size,
                      void *left_data, i64 right_element_size,
                      i64 right_size, void *right_data) {
  i64 i;
  if (left_element_size != right_element_size)
    return 0;
  if (left_size != right_size)
    return 0;
  for (i = 0; i < left_size; i++)
    if (memcmp((u8 *) left_data + i * left_element_size,
               (u8 *) right_data + i * left_element_size,
               left_element_size) != 0)
      return 0;
  return 1;
}

i8 kit_ar_compare(i64 left_element_size, i64 left_size,
                  void *left_data, i64 right_element_size,
                  i64 right_size, void *right_data,
                  kit_ar_compare_fn compare) {
  i64 i;
  if (left_element_size < right_element_size)
    return -1;
  if (left_element_size > right_element_size)
    return 1;
  for (i = 0; i < left_size && i < right_size; i++) {
    i8 c = compare((u8 *) left_data + i * left_element_size,
                   (u8 *) right_data + i * left_element_size);
    if (c != 0)
      return c;
  }
  if (left_size < right_size)
    return -1;
  if (left_size > right_size)
    return 1;
  return 0;
}