Subversion Repositories or1k

main ()

{

  char line[1024], *t;

  int len, done = 0;

  line[0] = 0;

  using_history ();

  while (!done)

    {

      printf ("history$ ");

      fflush (stdout);

      t = fgets (line, sizeof (line) - 1, stdin);

      if (t && *t)

        {

          len = strlen (t);

          if (t[len - 1] == '\n')

            t[len - 1] = '\0';

        }

      if (!t)

        strcpy (line, "quit");

      if (line[0])

        {

          char *expansion;

          int result;

          using_history ();

          result = history_expand (line, &expansion);

          if (result)

            fprintf (stderr, "%s\n", expansion);

          if (result < 0 || result == 2)

            {

              free (expansion);

              continue;

            }

          add_history (expansion);

          strncpy (line, expansion, sizeof (line) - 1);

          free (expansion);

        }

      if (strcmp (line, "quit") == 0)

        done = 1;

      else if (strcmp (line, "save") == 0)

        write_history ("history_file");

      else if (strcmp (line, "read") == 0)

        read_history ("history_file");

      else if (strcmp (line, "list") == 0)

        {

          register HIST_ENTRY **the_list;

          register int i;

          the_list = history_list ();

          if (the_list)

            for (i = 0; the_list[i]; i++)

              printf ("%d: %s\n", i + history_base, the_list[i]->line);

        }

      else if (strncmp (line, "delete", 6) == 0)

        {

          int which;

          if ((sscanf (line + 6, "%d", &which)) == 1)

            {

              HIST_ENTRY *entry = remove_history (which);

              if (!entry)

                fprintf (stderr, "No such entry %d\n", which);

              else

                {

                  free (entry->line);

                  free (entry);

                }

            }

          else

            {

              fprintf (stderr, "non-numeric arg given to `delete'\n");

            }

        }

    }

}