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55 lines
2.5 KiB
C
55 lines
2.5 KiB
C
/*
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* volume_id - reads volume label and uuid
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*
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* Copyright (C) 2005-2008 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LIBVOLUME_ID_H_
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#define _LIBVOLUME_ID_H_
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#include <stdint.h>
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#include <stddef.h>
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struct volume_id;
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typedef void (*volume_id_log_fn_t)(int priority, const char *file, int line, const char *format, ...)
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__attribute__ ((format(printf, 4, 5)));
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extern volume_id_log_fn_t volume_id_log_fn;
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typedef int (*volume_id_probe_fn_t)(struct volume_id *id, uint64_t off, uint64_t size);
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typedef int (*all_probers_fn_t)(volume_id_probe_fn_t probe_fn,
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struct volume_id *id, uint64_t off, uint64_t size,
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void *data);
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extern struct volume_id *volume_id_open_fd(int fd);
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extern void volume_id_close(struct volume_id *id);
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extern int volume_id_probe_filesystem(struct volume_id *id, uint64_t off, uint64_t size);
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extern int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size);
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extern int volume_id_probe_all(struct volume_id *id, uint64_t off, uint64_t size);
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extern const volume_id_probe_fn_t *volume_id_get_prober_by_type(const char *type);
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extern void volume_id_all_probers(all_probers_fn_t all_probers_fn,
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struct volume_id *id, uint64_t off, uint64_t size,
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void *data);
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extern int volume_id_get_label(struct volume_id *id, const char **label);
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extern int volume_id_get_label_raw(struct volume_id *id, const uint8_t **label, size_t *len);
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extern int volume_id_get_uuid(struct volume_id *id, const char **uuid);
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extern int volume_id_get_uuid_raw(struct volume_id *id, const uint8_t **uuid, size_t *len);
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extern int volume_id_get_usage(struct volume_id *id, const char **usage);
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extern int volume_id_get_type(struct volume_id *id, const char **type);
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extern int volume_id_get_type_version(struct volume_id *id, const char **type_version);
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extern int volume_id_encode_string(const char *str, char *str_enc, size_t len);
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#endif
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