lab4

#include <stdio.h>
#include <stdlib.h>
#include "my_string.h"
int main(int argc, char* argv[])
{
  MY_STRING hMy_string = NULL;

  hMy_string = my_string_init_c_string("james carney");
  printf("james carney\n");
  //pushes
  if(my_string_push_back(hMy_string, ' '))
  {
    if(my_string_push_back(hMy_string, 'j'))
      {
	if(my_string_push_back(hMy_string, 'a'))
	  {
	    printf("%s\n", my_string_c_str(hMy_string));
	    printf("size: %d\ncapacity: %d\n", my_string_get_size(hMy_string), my_string_get_capacity(hMy_string));
	    printf("pushing successful\n");
	  }
      }
  }
  //pops
  if(my_string_pop_back(hMy_string))
  {
    if(my_string_pop_back(hMy_string))
    {
      if(my_string_pop_back(hMy_string))
      {
	printf("%s\n", my_string_c_str(hMy_string));
	   printf("size: %d\ncapacity: %d\n", my_string_get_size(hMy_string), my_string_get_capacity(hMy_string));
	   printf("popping successful\n");
      }
    }
  }
  printf("the char at index 3, 5, 6 of 'james carney' are: %c, %c, %c\n",
    *my_string_at(hMy_string, 3), *my_string_at(hMy_string, 5), *my_string_at(hMy_string,6));

  MY_STRING other_string = NULL;
  other_string = my_string_init_c_string("mclean");
  printf("%s\n", my_string_c_str(other_string));
  if(my_string_concat(hMy_string, other_string))
  {
    printf("'james carney' and 'mclean' make %s\n", my_string_c_str(hMy_string));
  }
  if(!my_string_empty(other_string))
     printf("the string is not empty\n");
  while(my_string_get_size(other_string) != 0)
  {
    if(!my_string_pop_back(other_string))
    {
       printf("cant empty string by popping\n");
       break;
    }
  }
  if(my_string_empty(other_string))
     printf("the string is empty\n");


  return 0;
}