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/*
  ?  matches any single character
  *  matches 0 or more characters of any type
  %  matches 0 or more non-space characters (can be used to match a single
     word)
  ~  matches 1 or more space characters (can be used for whitespace between
     words)
*/
int egg_matchwilds(const char *haystack, const char *needle)
{
  if (needle == NULL || haystack == NULL)
    return 1;

  while (*needle)
  {
    /* ? = one single character *haystack is not NULL if *needle isn't */
    if (*needle == *haystack || *needle == '?')
    {
      needle++;
      haystack++;
    }
    else if (*haystack == '\0' && *needle != '*')
      return 1;
    else if (*needle != '%' && *needle != '~' && *needle != '*')
      return 1;
    else if (*needle == '~')
    {
      /* One or more space characters */
      if (*haystack != ' ' && *haystack != '\t')
        return 1;

      while (*haystack)
      {
        if (*haystack != ' ' && *haystack != '\t')
          break;

        haystack++;
      }

      needle++;
    }
    else if (*needle == '%')
    {
      while (*haystack)
      {
        if (*haystack == ' ' || *haystack == '\t')
          break;

        haystack++;
      }

      needle++;
    }
    else if (*needle == '*')
    {
      needle++;

      while (*haystack && *needle)
      {
        if (*haystack == *needle)
        {
          /* Greedy, but works okay */
          if (!egg_matchwilds(haystack+1,needle-1))
            return 0;

          break;
        }

        haystack++;
      }
    }
  }

  return 0;
}