#include "str.h"
#include "bool.h"
#include <stdlib.h>

int get_str_size(char *str) {
  int size = 0;
  for (char *s = str; *s != '\0'; s++)
    size++;
  return size;
}

char *get_middle(char *str, int start, int end, BOOL include) {
  int size;
  if (include)
    size = end - (--start);
  else
    size = end - start - 1;
  char *str2 = (char *)malloc(sizeof(char) * size + 1);
  if (!str2)
    return NULL;
  for (int i = 0; i < size; i++)
    str2[i] = str[start + i];
  str2[size] = 0;
  return str2;
}