sanboot_cmd.c File Reference

#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <gpxe/command.h>
#include <usr/autoboot.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER)
static void	sanboot_syntax (char **argv)
	"sanboot" command syntax message
static int	sanboot_exec (int argc, char **argv)
	The "sanboot" command.
Variables
struct command sanboot_command	__command

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

static void sanboot_syntax

(

char **

argv

)

[static]

"sanboot" command syntax message

Parameters:

argv

Argument list

Definition at line 14 of file sanboot_cmd.c.

References printf().

Referenced by sanboot_exec().

                                           {
        printf ( "Usage:\n"
                 "  %s <root-path>\n"
                 "\n"
                 "Boot from SAN target\n",
                 argv[0] );
}

static int sanboot_exec	(	int	argc,
		char **	argv
	)			[static]

The "sanboot" command.

Parameters:

	argc	Argument count
	argv	Argument list

Return values:

rc

Exit code

Definition at line 29 of file sanboot_cmd.c.

References boot_root_path(), getopt_long(), NULL, optind, printf(), sanboot_syntax(), and strerror().

                                                  {
        static struct option longopts[] = {
                { "help", 0, NULL, 'h' },
                { NULL, 0, NULL, 0 },
        };
        const char *root_path = NULL;
        int c;
        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;
                }
        }

        /* Need exactly one image name remaining after the options */
        if ( optind != ( argc - 1 ) ) {
                sanboot_syntax ( argv );
                return 1;
        }
        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 0;
}

---

Variable Documentation

struct command sanboot_command __command

Initial value:

 {
        .name = "sanboot",
        .exec = sanboot_exec,
}

Definition at line 67 of file sanboot_cmd.c.