2 * volume_id - reads filesystem label and uuid
4 * Copyright (C) 2006 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation version 2 of the License.
26 #include "libvolume_id.h"
29 #define SQUASHFS_MAGIC 0x73717368
31 struct squashfs_super {
35 int volume_id_probe_squashfs(struct volume_id *id, uint64_t off, uint64_t size)
37 struct squashfs_super *sqs;
39 info("probing at offset 0x%llx", (unsigned long long) off);
41 sqs = (struct squashfs_super *) volume_id_get_buffer(id, off + 0x200, 0x200);
45 if (sqs->s_magic == SQUASHFS_MAGIC || sqs->s_magic == bswap_32(SQUASHFS_MAGIC)) {
46 volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
47 id->type = "squashfs";