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146 lines
4.3 KiB
C
146 lines
4.3 KiB
C
/*
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Copyright (C) 1995-2025 Free Software Foundation, Inc.
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This file is part of GNU Inetutils.
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GNU Inetutils is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Inetutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see `http://www.gnu.org/licenses/'. */
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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef HAVE_LOCALE_H
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# include <locale.h>
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#endif
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#include "talk.h"
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#include <argp.h>
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#include <libinetutils.h>
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void usage (void);
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/*
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* talk: A visual form of write. Using sockets, a two way
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* connection is set up between the two people talking.
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* With the aid of curses, the screen is split into two
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* windows, and each users text is added to the window,
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* one character at a time...
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*
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* Written by Kipp Hickman
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*
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* Modified to run under 4.1a by Clem Cole and Peter Moore
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* Modified to run between hosts by Peter Moore, 8/19/82
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* Modified to run under 4.1c by Peter Moore 3/17/83
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*/
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const char *program_authors[] = {
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"Kipp Hickman",
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"Clem Cole",
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"Peter Moore",
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NULL
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};
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const char doc[] = "Talk to another user.";
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const char args_doc[] = "person [ttyname]";
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static struct argp argp = { NULL, NULL, args_doc, doc, NULL, NULL, NULL };
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int
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main (int argc, char *argv[])
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{
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int index;
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set_program_name (argv[0]);
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#ifdef HAVE_SETLOCALE
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setlocale (LC_ALL, "");
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#endif
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iu_argp_init ("talk", program_authors);
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argp_parse (&argp, argc, argv, 0, &index, NULL);
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argc -= index;
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argv += index;
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if (argc == 0)
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{
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printf ("Usage: talk user [ttyname]\n");
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exit (-1);
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}
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if (!isatty (0))
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{
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printf ("Standard input must be a tty, not a pipe, nor a file.\n");
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exit (-1);
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}
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get_names (argc, argv);
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/* Let them know we are working on connections. */
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current_state = "No connection yet.";
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open_ctl ();
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open_sockt ();
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current_state = "Service connection established.";
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start_msgs ();
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if (!check_local ())
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invite_remote ();
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end_msgs ();
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/* Our party is responding. Upgrade user interface. */
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init_display ();
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set_edit_chars ();
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talk ();
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}
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static const char usage_str[] =
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"Usage: talk [OPTIONS...] USER\n"
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"\n"
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"Options are:\n"
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" --help Display usage instructions\n"
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" --version Display program version\n";
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void
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usage (void)
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{
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printf ("%s\n" "Send bug reports to <%s>.\n", usage_str, PACKAGE_BUGREPORT);
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}
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