/**
 * string-utils.c
 *   Some string utilities.
 */

// +---------+--------------------------------------------------------
// | Headers |
// +---------+

#include <string.h>
#include <stdio.h>
#include "string-utils.h"


// +--------------------+---------------------------------------------
// | Exported Functions |
// +--------------------+

int
string_compare (char *str1, char *str2)
{
  if (str1 == str2)
    return 0;
  if (str1 == NULL)
    return -1;
  else if (str2 == NULL)
    return 1;
  else 
    return strcmp (str1, str2);
} // string_compare

int
string_equal (char *str1, char *str2)
{
  if (str1 == str2)
    return 1;
  else if ((str1 == NULL) || (str2 == NULL))
    return 0;
  else 
    return (strcmp (str1, str2) == 0);
} // string_equal

int
string_fprint (FILE *fp, char *str)
{
  if (str == NULL)
    return fprintf (fp, "NULL");
  else
    return fprintf (fp, "\"%s\"", str);
} // string_fprint