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[settings] Use generic option-parsing library

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Total cost: 75 bytes.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2010-11-21 16:57:58 +00:00
parent 17b337d4a8
commit 9e9c9adf10
3 changed files with 206 additions and 44 deletions
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103
src/hci/commands/config_cmd.c
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@@ -1,38 +1,103 @@
/*
* Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program 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 of the
* License, or any later version.
*
* This program 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 <string.h>
#include <stdio.h>
#include <errno.h>
#include <getopt.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <ipxe/settings.h>
#include <ipxe/settings_ui.h>
FILE_LICENCE ( GPL2_OR_LATER );
static int config_exec ( int argc, char **argv ) {
char *settings_name;
struct settings *settings;
int rc;
/** @file
*
* Configuration UI commands
*
*/
if ( argc > 2 ) {
printf ( "Usage: %s [scope]\n"
"Opens the option configuration console\n", argv[0] );
return 1;
}
/** "config" options */
struct config_options {};
settings_name = ( ( argc == 2 ) ? argv[1] : "" );
settings = find_settings ( settings_name );
if ( ! settings ) {
printf ( "No such scope \"%s\"\n", settings_name );
return 1;
}
/** "config" option list */
static struct option_descriptor config_opts[] = {};
if ( ( rc = settings_ui ( settings ) ) != 0 ) {
printf ( "Could not save settings: %s\n",
strerror ( rc ) );
return 1;
/** "config" command descriptor */
static struct command_descriptor config_cmd =
COMMAND_DESC ( struct config_options, config_opts, 0, 1,
"[<scope>]",
"Open the option configuration console" );
/**
* Parse settings scope name
*
* @v text Text
* @ret value Integer value
* @ret rc Return status code
*/
static int parse_settings ( const char *text, struct settings **value ) {
/* Sanity check */
assert ( text != NULL );
/* Parse scope name */
*value = find_settings ( text );
if ( ! *value ) {
printf ( "\"%s\": no such scope\n", text );
return -EINVAL;
}
return 0;
}
/**
* "config" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int config_exec ( int argc, char **argv ) {
struct config_options opts;
struct settings *settings;
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, &config_cmd, &opts ) ) != 0 )
return rc;
/* Parse settings option, if present */
if ( ( rc = parse_settings ( ( ( optind < argc ) ? argv[optind] : "" ),
&settings ) ) != 0 )
return rc;
/* Run settings UI */
if ( ( rc = settings_ui ( settings ) ) != 0 ) {
printf ( "Could not save settings: %s\n", strerror ( rc ) );
return rc;
}
return 0;
}
/** Configuration UI commands */
struct command config_command __command = {
.name = "config",
.exec = config_exec,