readline/examples/rltest.c

/* **************************************************************** */
/*								    */
/*			Testing Readline			    */
/*								    */
/* **************************************************************** */

/* Copyright (C) 1987-2009 Free Software Foundation, Inc.

   This file is part of the GNU Readline Library (Readline), a library for
   reading lines of text with interactive input and history editing.

   Readline is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Readline is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
*/

#if defined (HAVE_CONFIG_H)
#include <config.h>
#endif

#include <stdio.h>
#include <sys/types.h>

#ifdef HAVE_STDLIB_H
#  include <stdlib.h>
#else 
extern void exit();
#endif

#ifdef READLINE_LIBRARY
#  include "readline.h"
#  include "history.h"
#else
#  include <readline/readline.h>
#  include <readline/history.h>
#endif

extern HIST_ENTRY **history_list ();

main ()
{
  char *temp, *prompt;
  int done;

  temp = (char *)NULL;
  prompt = "readline$ ";
  done = 0;

  while (!done)
    {
      temp = readline (prompt);

      /* Test for EOF. */
      if (!temp)
	exit (1);

      /* If there is anything on the line, print it and remember it. */
      if (*temp)
	{
	  fprintf (stderr, "%s\r\n", temp);
	  add_history (temp);
	}

      /* Check for `command' that we handle. */
      if (strcmp (temp, "quit") == 0)
	done = 1;

      if (strcmp (temp, "list") == 0)
	{
	  HIST_ENTRY **list;
	  register int i;

	  list = history_list ();
	  if (list)
	    {
	      for (i = 0; list[i]; i++)
		fprintf (stderr, "%d: %s\r\n", i, list[i]->line);
	    }
	}
      free (temp);
    }
  exit (0);
}