/* vi: set sw=4 ts=4: *//* * 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 __cplusplusextern "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_set_search(blkid_dev_iterate iter,				char *search_type, char *search_value);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 int blkid_probe_all_new(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 int blkid_dev_has_tag(blkid_dev dev, const char *type,			      const char *value);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);#ifdef __cplusplus}#endif#endif /* _BLKID_BLKID_H */