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