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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 <stdio.h>
#include <string.h> #include <string.h>
#include <getopt.h> #include <getopt.h>
#include <ipxe/command.h> #include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <usr/autoboot.h> #include <usr/autoboot.h>
FILE_LICENCE ( GPL2_OR_LATER ); FILE_LICENCE ( GPL2_OR_LATER );
/** /** @file
* "sanboot" command syntax message *
* SAN commands
* *
* @v argv Argument list
*/ */
static void sanboot_syntax ( char **argv ) {
printf ( "Usage:\n" /** "sanboot" options */
" %s <root-path>\n" struct sanboot_options {};
"\n"
"Boot from SAN target\n", /** "sanboot" option list */
argv[0] ); 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 * The "sanboot" command
* *
* @v argc Argument count * @v argc Argument count
* @v argv Argument list * @v argv Argument list
* @ret rc Exit code * @ret rc Return status code
*/ */
static int sanboot_exec ( int argc, char **argv ) { static int sanboot_exec ( int argc, char **argv ) {
static struct option longopts[] = { struct sanboot_options opts;
{ "help", 0, NULL, 'h' }, const char *root_path;
{ NULL, 0, NULL, 0 },
};
const char *root_path = NULL;
int c;
int rc; int rc;
/* Parse options */ /* Parse options */
while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){ if ( ( rc = parse_options ( argc, argv, &sanboot_cmd, &opts ) ) != 0 )
switch ( c ) { return rc;
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
sanboot_syntax ( argv );
return 1;
}
}
/* Need exactly one image name remaining after the options */ /* Parse root path */
if ( optind != ( argc - 1 ) ) {
sanboot_syntax ( argv );
return 1;
}
root_path = argv[optind]; root_path = argv[optind];
/* Boot from root path */ /* Boot from root path */
if ( ( rc = boot_root_path ( root_path ) ) != 0 ) { if ( ( rc = boot_root_path ( root_path ) ) != 0 ) {
printf ( "Could not boot from %s: %s\n", printf ( "Could not boot from %s: %s\n",
root_path, strerror ( rc ) ); root_path, strerror ( rc ) );
return 1; return rc;
} }
return 0; return 0;
} }
/** SAN commands */
struct command sanboot_command __command = { struct command sanboot_command __command = {
.name = "sanboot", .name = "sanboot",
.exec = sanboot_exec, .exec = sanboot_exec,