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/*
* blkid.h - Interface for libblkid, a library to identify block devices
*
* Copyright (C) 2001 Andreas Dilger
* Copyright (C) 2003 Theodore Ts'o
*
* %Begin-Header%
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
* %End-Header%
*/
#ifndef _BLKID_BLKID_H
#define _BLKID_BLKID_H
#include <sys/types.h>
#include <linux/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define BLKID_VERSION "1.0.0"
#define BLKID_DATE "12-Feb-2003"
typedef struct blkid_struct_dev *blkid_dev;
typedef struct blkid_struct_cache *blkid_cache;
typedef __s64 blkid_loff_t;
typedef struct blkid_struct_tag_iterate *blkid_tag_iterate;
typedef struct blkid_struct_dev_iterate *blkid_dev_iterate;
/*
* Flags for blkid_get_dev
*
* BLKID_DEV_CREATE Create an empty device structure if not found
* in the cache.
* BLKID_DEV_VERIFY Make sure the device structure corresponds
* with reality.
* BLKID_DEV_FIND Just look up a device entry, and return NULL
* if it is not found.
* BLKID_DEV_NORMAL Get a valid device structure, either from the
* cache or by probing the device.
*/
#define BLKID_DEV_FIND 0x0000
#define BLKID_DEV_CREATE 0x0001
#define BLKID_DEV_VERIFY 0x0002
#define BLKID_DEV_NORMAL (BLKID_DEV_CREATE | BLKID_DEV_VERIFY)
/* cache.c */
extern void blkid_put_cache(blkid_cache cache);
extern int blkid_get_cache(blkid_cache *cache, const char *filename);
/* dev.c */
extern const char *blkid_dev_devname(blkid_dev dev);
extern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache);
extern int blkid_dev_next(blkid_dev_iterate iterate, blkid_dev *dev);
extern void blkid_dev_iterate_end(blkid_dev_iterate iterate);
/* devno.c */
extern char *blkid_devno_to_devname(dev_t devno);
/* devname.c */
extern int blkid_probe_all(blkid_cache cache);
extern blkid_dev blkid_get_dev(blkid_cache cache, const char *devname,
int flags);
/* getsize.c */
extern blkid_loff_t blkid_get_dev_size(int fd);
/* probe.c */
int blkid_known_fstype(const char *fstype);
extern blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev);
/* read.c */
/* resolve.c */
extern char *blkid_get_tag_value(blkid_cache cache, const char *tagname,
const char *devname);
extern char *blkid_get_devname(blkid_cache cache, const char *token,
const char *value);
/* tag.c */
extern blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev);
extern int blkid_tag_next(blkid_tag_iterate iterate,
const char **type, const char **value);
extern void blkid_tag_iterate_end(blkid_tag_iterate iterate);
extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache,
const char *type,
const char *value);
extern int blkid_parse_tag_string(const char *token, char **ret_type,
char **ret_val);
/* version.c */
extern int blkid_parse_version_string(const char *ver_string);
extern int blkid_get_library_version(const char **ver_string,
const char **date_string);
#ifdef __cplusplus
}
#endif
#endif /* _BLKID_BLKID_H */
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