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/*
* Copyright (C) 1999 by Andries Brouwer
* Copyright (C) 1999, 2000, 2003 by Theodore Ts'o
* Copyright (C) 2001 by Andreas Dilger
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
* Copyright (C) 2008 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdint.h>
#include "superblocks.h"
struct cramfs_super
{
uint8_t magic[4];
uint32_t size;
uint32_t flags;
uint32_t future;
uint8_t signature[16];
struct cramfs_info
{
uint32_t crc;
uint32_t edition;
uint32_t blocks;
uint32_t files;
} __attribute__((packed)) info;
uint8_t name[16];
} __attribute__((packed));
static int probe_cramfs(blkid_probe pr, const struct blkid_idmag *mag)
{
struct cramfs_super *cs;
cs = blkid_probe_get_sb(pr, mag, struct cramfs_super);
if (!cs)
return errno ? -errno : 1;
blkid_probe_set_label(pr, cs->name, sizeof(cs->name));
return 0;
}
const struct blkid_idinfo cramfs_idinfo =
{
.name = "cramfs",
.usage = BLKID_USAGE_FILESYSTEM,
.probefunc = probe_cramfs,
.magics =
{
{ "\x45\x3d\xcd\x28", 4, 0, 0 },
{ "\x28\xcd\x3d\x45", 4, 0, 0 },
{ NULL }
}
};
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