toolchain/gdb/readline/examples/rltest.c

   1 /* **************************************************************** */
   2 /*                                                                  */
   3 /*                      Testing Readline                            */
   4 /*                                                                  */
   5 /* **************************************************************** */
   6
   7 /* Copyright (C) 1987-2002 Free Software Foundation, Inc.
   8
   9    This file is part of the GNU Readline Library, a library for
  10    reading lines of text with interactive input and history editing.
  11
  12    The GNU Readline Library is free software; you can redistribute it
  13    and/or modify it under the terms of the GNU General Public License
  14    as published by the Free Software Foundation; either version 2, or
  15    (at your option) any later version.
  16
  17    The GNU Readline Library is distributed in the hope that it will be
  18    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  19    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    The GNU General Public License is often shipped with GNU software, and
  23    is generally kept in a file called COPYING or LICENSE.  If you do not
  24    have a copy of the license, write to the Free Software Foundation,
  25    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
  26
  27 #if defined (HAVE_CONFIG_H)
  28 #include <config.h>
  29 #endif
  30
  31 #include <stdio.h>
  32 #include <sys/types.h>
  33
  34 #ifdef READLINE_LIBRARY
  35 #  include "readline.h"
  36 #  include "history.h"
  37 #else
  38 #  include <readline/readline.h>
  39 #  include <readline/history.h>
  40 #endif
  41
  42 extern HIST_ENTRY **history_list ();
  43
  44 main ()
  45 {
  46   char *temp, *prompt;
  47   int done;
  48
  49   temp = (char *)NULL;
  50   prompt = "readline$ ";
  51   done = 0;
  52
  53   while (!done)
  54     {
  55       temp = readline (prompt);
  56
  57       /* Test for EOF. */
  58       if (!temp)
  59         exit (1);
  60
  61       /* If there is anything on the line, print it and remember it. */
  62       if (*temp)
  63         {
  64           fprintf (stderr, "%s\r\n", temp);
  65           add_history (temp);
  66         }
  67
  68       /* Check for `command' that we handle. */
  69       if (strcmp (temp, "quit") == 0)
  70         done = 1;
  71
  72       if (strcmp (temp, "list") == 0)
  73         {
  74           HIST_ENTRY **list;
  75           register int i;
  76
  77           list = history_list ();
  78           if (list)
  79             {
  80               for (i = 0; list[i]; i++)
  81                 fprintf (stderr, "%d: %s\r\n", i, list[i]->line);
  82             }
  83         }
  84       free (temp);
  85     }
  86   exit (0);
  87 }