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/* opts-std-startup.c - Standard startup-time command line parser.
Copyright (C) 1995,96,97,98,99,2001,02,2003 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.org> and Marcus Brinkmann.
This file is part of the GNU Hurd.
The GNU Hurd 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 2, or (at
your option) any later version.
The GNU Hurd 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <argp.h>
#include <string.h>
#include "priv.h"
/* Option keys for long-only options in diskfs_common_options. */
#define OPT_SLACK 600 /* --slack */
#define OPT_JUMP_DOWN_ON_INPUT 601 /* --jump-down-on-input */
#define OPT_NO_JUMP_DOWN_ON_INPUT 602 /* --no-jump-down-on-input */
#define OPT_JUMP_DOWN_ON_OUTPUT 603 /* --jump-down-on-output */
#define OPT_NO_JUMP_DOWN_ON_OUTPUT 604 /* --no-jump-down-on-output */
#define OPT_VISUAL_BELL 605 /* --visual-bell */
#define OPT_AUDIBLE_BELL 606 /* --audible-bell */
/* Common value for diskfs_common_options and diskfs_default_sync_interval. */
#define DEFAULT_SLACK 100
#define DEFAULT_SLACK_STRING STRINGIFY(DEFAULT_SLACK)
#define STRINGIFY(x) STRINGIFY_1(x)
#define STRINGIFY_1(x) #x
/* Number of records the client is allowed to lag behind the
server. */
int _cons_slack = DEFAULT_SLACK;
/* If we jump down on input. */
int _cons_jump_down_on_input = 1;
/* If we jump down on output. */
int _cons_jump_down_on_output;
/* The filename of the console server. */
char *_cons_file;
/* The type of bell used for the visual bell. */
bell_type_t _cons_visual_bell = BELL_VISUAL;
/* The type of bell used for the audible bell. */
bell_type_t _cons_audible_bell = BELL_AUDIBLE;
static const struct argp_option
startup_options[] =
{
{ "slack", OPT_SLACK, "RECORDS", 0, "Max number of records the client is"
" allowed to lag behind the server (default " DEFAULT_SLACK_STRING ")" },
{ "jump-down-on-input", OPT_JUMP_DOWN_ON_INPUT, NULL, 0,
"End scrollback when something is entered (default)" },
{ "no-jump-down-on-input", OPT_NO_JUMP_DOWN_ON_INPUT, NULL, 0,
"End scrollback when something is entered" },
{ "jump-down-on-output", OPT_JUMP_DOWN_ON_OUTPUT, NULL, 0,
"End scrollback when something is printed" },
{ "no-jump-down-on-output", OPT_NO_JUMP_DOWN_ON_OUTPUT, NULL, 0,
"End scrollback when something is printed (default)" },
{ "visual-bell", OPT_VISUAL_BELL, "BELL", 0, "Visual bell: on (default), "
"off, visual, audible" },
{ "audible-bell", OPT_AUDIBLE_BELL, "BELL", 0, "Audible bell: on (default), "
"off, visual, audible" },
{ 0, 0 }
};
static const char args_doc[] = "CONSOLE";
static const char doc[] = "A console client.";
static error_t
parse_startup_opt (int opt, char *arg, struct argp_state *state)
{
switch (opt)
{
case OPT_SLACK:
_cons_slack = atoi (arg);
break;
case OPT_JUMP_DOWN_ON_INPUT:
_cons_jump_down_on_input = 1;
break;
case OPT_NO_JUMP_DOWN_ON_INPUT:
_cons_jump_down_on_input = 0;
break;
case OPT_JUMP_DOWN_ON_OUTPUT:
_cons_jump_down_on_output = 1;
break;
case OPT_NO_JUMP_DOWN_ON_OUTPUT:
_cons_jump_down_on_output = 0;
break;
case OPT_AUDIBLE_BELL:
if (!strcasecmp ("on", arg) || !strcasecmp ("audible", arg))
_cons_audible_bell = BELL_AUDIBLE;
else if (!strcasecmp ("off", arg))
_cons_audible_bell = BELL_OFF;
else if (!strcasecmp ("visual", arg))
_cons_audible_bell = BELL_VISUAL;
else
argp_error (state, "The audible bell can be one of: on, off, visual, "
"audible");
break;
case OPT_VISUAL_BELL:
if (!strcasecmp ("on", arg) || !strcasecmp ("visual", arg))
_cons_visual_bell = BELL_VISUAL;
else if (!strcasecmp ("off", arg))
_cons_visual_bell = BELL_OFF;
else if (!strcasecmp ("audible", arg))
_cons_visual_bell = BELL_AUDIBLE;
else
argp_error (state, "The visual bell can be one of: on, off, visual, "
"audible");
break;
case ARGP_KEY_ARG:
if (state->arg_num > 0)
/* Too many arguments. */
argp_error (state, "Too many non option arguments");
_cons_file = arg;
break;
case ARGP_KEY_NO_ARGS:
argp_error (state, "Filename of console server missing");
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
/* An argp structure for the standard console client command line
arguments. */
const struct argp
cons_startup_argp =
{
startup_options, parse_startup_opt, args_doc, doc
};
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