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893009644f
function old new delta volume_id_probe_iso9660 324 327 +3 volume_id_probe_vfat 902 903 +1 volume_id_probe_udf 576 577 +1 volume_id_probe_ntfs 314 315 +1 uuidcache_check_device 292 291 -1 volume_id_probe_xfs 87 85 -2 volume_id_probe_sysv 165 163 -2 volume_id_probe_romfs 89 87 -2 volume_id_probe_reiserfs 236 234 -2 volume_id_probe_ocfs2 96 94 -2 volume_id_probe_luks 78 76 -2 volume_id_probe_linux_swap 165 163 -2 volume_id_probe_jfs 96 94 -2 volume_id_probe_hfs_hfsplus 795 793 -2 volume_id_probe_ext 82 80 -2 volume_id_probe_cramfs 59 57 -2 volume_id_probe_btrfs 96 94 -2 free_volume_id 36 31 -5 volume_id_probe_linux_raid 127 119 -8 volume_id_probe_all 152 138 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/16 up/down: 6/-52) Total: -46 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* volume_id - reads filesystem label and uuid
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*
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* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "volume_id_internal.h"
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struct cramfs_super {
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uint32_t magic;
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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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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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} PACKED info;
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uint8_t name[16];
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} PACKED;
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int FAST_FUNC volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/)
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{
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#define off ((uint64_t)0)
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struct cramfs_super *cs;
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dbg("probing at offset 0x%llx", (unsigned long long) off);
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cs = volume_id_get_buffer(id, off, 0x200);
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if (cs == NULL)
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return -1;
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if (cs->magic == cpu_to_be32(0x453dcd28)) {
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// volume_id_set_label_raw(id, cs->name, 16);
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volume_id_set_label_string(id, cs->name, 16);
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// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
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// id->type = "cramfs";
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return 0;
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}
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return -1;
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}
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