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