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[san] Use generic option-parsing library 

Total saving: 73 bytes.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2010-11-21 19:55:51 +00:00
parent 817c544697
commit 72b4464c89
1 changed files with 41 additions and 33 deletions
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74
src/hci/commands/sanboot_cmd.c
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@ -1,69 +1,77 @@
/*
* 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 <stdio.h>
#include <string.h>
#include <getopt.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <usr/autoboot.h>
FILE_LICENCE ( GPL2_OR_LATER );
/**
* "sanboot" command syntax message
/** @file
*
* SAN commands
*
* @v argv Argument list
*/
static void sanboot_syntax ( char **argv ) {
printf ( "Usage:\n"
" %s <root-path>\n"
"\n"
"Boot from SAN target\n",
argv[0] );
}
/** "sanboot" options */
struct sanboot_options {};
/** "sanboot" option list */
static struct option_descriptor sanboot_opts[] = {};
/** "sanboot" command descriptor */
static struct command_descriptor sanboot_cmd =
COMMAND_DESC ( struct sanboot_options, sanboot_opts, 1, 1,
"<root-path>", "Boot from SAN target" );
/**
* The "sanboot" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Exit code
* @ret rc Return status code
*/
static int sanboot_exec ( int argc, char **argv ) {
static struct option longopts[] = {
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 },
};
const char *root_path = NULL;
int c;
struct sanboot_options opts;
const char *root_path;
int rc;
/* Parse options */
while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
switch ( c ) {
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
sanboot_syntax ( argv );
return 1;
}
}
if ( ( rc = parse_options ( argc, argv, &sanboot_cmd, &opts ) ) != 0 )
return rc;
/* Need exactly one image name remaining after the options */
if ( optind != ( argc - 1 ) ) {
sanboot_syntax ( argv );
return 1;
}
/* Parse root path */
root_path = argv[optind];
/* Boot from root path */
if ( ( rc = boot_root_path ( root_path ) ) != 0 ) {
printf ( "Could not boot from %s: %s\n",
root_path, strerror ( rc ) );
return 1;
return rc;
}
return 0;
}
/** SAN commands */
struct command sanboot_command __command = {
.name = "sanboot",
.exec = sanboot_exec,