1 files changed, 458 insertions, 0 deletions

diff --git a/libblkid/blkid.h b/libblkid/blkid.h
new file mode 100644
index 000000000..b283009f6
--- /dev/null
+++ b/libblkid/blkid.h
@@ -0,0 +1,458 @@
+/*
+ * blkid.h - Interface for libblkid, a library to identify block devices
+ *
+ * Copyright (C) 2001 Andreas Dilger
+ * Copyright (C) 2003 Theodore Ts'o
+ * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _BLKID_BLKID_H
+#define _BLKID_BLKID_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#define _SC_HOST_NAME_MAX 255
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLKID_VERSION   "2.22.0"
+#define BLKID_DATE      "04-Sep-2012"
+
+/**
+ * blkid_dev:
+ *
+ * The device object keeps information about one device
+ */
+typedef struct blkid_struct_dev *blkid_dev;
+
+/**
+ * blkid_cache:
+ *
+ * information about all system devices
+ */
+typedef struct blkid_struct_cache *blkid_cache;
+
+/**
+ * blkid_probe:
+ *
+ * low-level probing setting
+ */
+typedef struct blkid_struct_probe *blkid_probe;
+
+/**
+ * blkid_topology:
+ *
+ * device topology information
+ */
+typedef struct blkid_struct_topology *blkid_topology;
+
+/**
+ * blkid_partlist
+ *
+ * list of all detected partitions and partitions tables
+ */
+typedef struct blkid_struct_partlist *blkid_partlist;
+
+/**
+ * blkid_partition:
+ *
+ * information about a partition
+ */
+typedef struct blkid_struct_partition *blkid_partition;
+
+/**
+ * blkid_parttable:
+ *
+ * information about a partition table
+ */
+typedef struct blkid_struct_parttable *blkid_parttable;
+
+/**
+ * blkid_loff_t:
+ *
+ * 64-bit signed number for offsets and sizes
+ */
+typedef int64_t blkid_loff_t;
+
+/**
+ * blkid_tag_iterate:
+ *
+ * tags iterator for high-level (blkid_cache) API
+ */
+typedef struct blkid_struct_tag_iterate *blkid_tag_iterate;
+
+/**
+ * blkid_dev_iterate:
+ *
+ * devices iterator for high-level (blkid_cache) API
+ */
+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)
+
+
+#ifndef __GNUC_PREREQ
+# if defined __GNUC__ && defined __GNUC_MINOR__
+#  define __GNUC_PREREQ(maj, min)  ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+# else
+#  define __GNUC_PREREQ(maj, min) 0
+# endif
+#endif
+
+#ifndef __ul_attribute__
+# if __GNUC_PREREQ (3, 4)
+#  define __ul_attribute__(_a_) __attribute__(_a_)
+# else
+#  define __ul_attribute__(_a_)
+# endif
+#endif
+
+/* cache.c */
+extern void blkid_put_cache(blkid_cache cache);
+extern int blkid_get_cache(blkid_cache *cache, const char *filename);
+extern void blkid_gc_cache(blkid_cache cache);
+
+/* dev.c */
+extern const char *blkid_dev_devname(blkid_dev dev)
+			__ul_attribute__((warn_unused_result));
+
+extern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache)
+			__ul_attribute__((nonnull));
+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)
+			__ul_attribute__((warn_unused_result));
+extern int blkid_devno_to_wholedisk(dev_t dev, char *diskname,
+                        size_t len, dev_t *diskdevno)
+			__ul_attribute__((warn_unused_result));
+
+/* devname.c */
+extern int blkid_probe_all(blkid_cache cache);
+extern int blkid_probe_all_new(blkid_cache cache);
+extern int blkid_probe_all_removable(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)
+			__ul_attribute__((warn_unused_result));
+
+/* verify.c */
+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)
+			__ul_attribute__((warn_unused_result));
+extern char *blkid_get_devname(blkid_cache cache, const char *token,
+			       const char *value)
+			__ul_attribute__((warn_unused_result));
+
+/* tag.c */
+extern blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev)
+			__ul_attribute__((warn_unused_result));
+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)
+			__ul_attribute__((nonnull(1,2)));
+
+extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache,
+					 const char *type,
+					 const char *value)
+			__ul_attribute__((warn_unused_result));
+
+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)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern int blkid_get_library_version(const char **ver_string,
+				     const char **date_string);
+
+/* encode.c */
+extern int blkid_encode_string(const char *str, char *str_enc, size_t len);
+extern int blkid_safe_string(const char *str, char *str_safe, size_t len);
+
+/* evaluate.c */
+extern int blkid_send_uevent(const char *devname, const char *action);
+extern char *blkid_evaluate_tag(const char *token, const char *value,
+				blkid_cache *cache)
+			__ul_attribute__((warn_unused_result));
+extern char *blkid_evaluate_spec(const char *spec, blkid_cache *cache)
+			__ul_attribute__((warn_unused_result));
+
+/* probe.c */
+extern blkid_probe blkid_new_probe(void)
+			__ul_attribute__((warn_unused_result));
+extern blkid_probe blkid_new_probe_from_filename(const char *filename)
+			__ul_attribute__((warn_unused_result));
+extern void blkid_free_probe(blkid_probe pr);
+
+extern void blkid_reset_probe(blkid_probe pr);
+
+extern int blkid_probe_set_device(blkid_probe pr, int fd,
+	                blkid_loff_t off, blkid_loff_t size);
+
+extern dev_t blkid_probe_get_devno(blkid_probe pr)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern dev_t blkid_probe_get_wholedisk_devno(blkid_probe pr)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_probe_is_wholedisk(blkid_probe pr)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern blkid_loff_t blkid_probe_get_size(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+extern blkid_loff_t blkid_probe_get_offset(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+extern unsigned int blkid_probe_get_sectorsize(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+extern blkid_loff_t blkid_probe_get_sectors(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_probe_get_fd(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+
+/*
+ * superblocks probing
+ */
+extern int blkid_known_fstype(const char *fstype)
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_superblocks_get_name(size_t idx, const char **name, int *usage);
+
+extern int blkid_probe_enable_superblocks(blkid_probe pr, int enable);
+
+#define BLKID_SUBLKS_LABEL	(1 << 1) /* read LABEL from superblock */
+#define BLKID_SUBLKS_LABELRAW	(1 << 2) /* read and define LABEL_RAW result value*/
+#define BLKID_SUBLKS_UUID	(1 << 3) /* read UUID from superblock */
+#define BLKID_SUBLKS_UUIDRAW	(1 << 4) /* read and define UUID_RAW result value */
+#define BLKID_SUBLKS_TYPE	(1 << 5) /* define TYPE result value */
+#define BLKID_SUBLKS_SECTYPE	(1 << 6) /* define compatible fs type (second type) */
+#define BLKID_SUBLKS_USAGE	(1 << 7) /* define USAGE result value */
+#define BLKID_SUBLKS_VERSION	(1 << 8) /* read FS type from superblock */
+#define BLKID_SUBLKS_MAGIC	(1 << 9) /* define SBMAGIC and SBMAGIC_OFFSET */
+
+#define BLKID_SUBLKS_DEFAULT	(BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID | \
+				 BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE)
+
+extern int blkid_probe_set_superblocks_flags(blkid_probe pr, int flags);
+extern int blkid_probe_reset_superblocks_filter(blkid_probe pr);
+extern int blkid_probe_invert_superblocks_filter(blkid_probe pr);
+
+/**
+ * BLKID_FLTR_NOTIN
+ */
+#define BLKID_FLTR_NOTIN		1
+/**
+ * BLKID_FLTR_ONLYIN
+ */
+#define BLKID_FLTR_ONLYIN		2
+extern int blkid_probe_filter_superblocks_type(blkid_probe pr, int flag, char *names[]);
+
+#define BLKID_USAGE_FILESYSTEM		(1 << 1)
+#define BLKID_USAGE_RAID		(1 << 2)
+#define BLKID_USAGE_CRYPTO		(1 << 3)
+#define BLKID_USAGE_OTHER		(1 << 4)
+extern int blkid_probe_filter_superblocks_usage(blkid_probe pr, int flag, int usage);
+
+/*
+ * topology probing
+ */
+extern int blkid_probe_enable_topology(blkid_probe pr, int enable);
+
+/* binary interface */
+extern blkid_topology blkid_probe_get_topology(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+
+extern unsigned long blkid_topology_get_alignment_offset(blkid_topology tp)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern unsigned long blkid_topology_get_minimum_io_size(blkid_topology tp)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern unsigned long blkid_topology_get_optimal_io_size(blkid_topology tp)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern unsigned long blkid_topology_get_logical_sector_size(blkid_topology tp)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern unsigned long blkid_topology_get_physical_sector_size(blkid_topology tp)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+/*
+ * partitions probing
+ */
+extern int blkid_known_pttype(const char *pttype)
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_probe_enable_partitions(blkid_probe pr, int enable);
+
+extern int blkid_probe_reset_partitions_filter(blkid_probe pr);
+extern int blkid_probe_invert_partitions_filter(blkid_probe pr);
+extern int blkid_probe_filter_partitions_type(blkid_probe pr, int flag, char *names[]);
+
+/* partitions probing flags */
+#define BLKID_PARTS_FORCE_GPT		(1 << 1)
+#define BLKID_PARTS_ENTRY_DETAILS	(1 << 2)
+#define BLKID_PARTS_MAGIC		(1 << 3)
+extern int blkid_probe_set_partitions_flags(blkid_probe pr, int flags);
+
+/* binary interface */
+extern blkid_partlist blkid_probe_get_partitions(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_partlist_numof_partitions(blkid_partlist ls)
+			__ul_attribute__((warn_unused_result));
+extern blkid_parttable blkid_partlist_get_table(blkid_partlist ls)
+			__ul_attribute__((warn_unused_result));
+extern blkid_partition blkid_partlist_get_partition(blkid_partlist ls, int n)
+			__ul_attribute__((warn_unused_result));
+extern blkid_partition blkid_partlist_devno_to_partition(blkid_partlist ls, dev_t devno)
+			__ul_attribute__((warn_unused_result));
+extern blkid_parttable blkid_partition_get_table(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+
+extern const char *blkid_partition_get_name(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+extern const char *blkid_partition_get_uuid(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+extern int blkid_partition_get_partno(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+extern blkid_loff_t blkid_partition_get_start(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+extern blkid_loff_t blkid_partition_get_size(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_partition_get_type(blkid_partition par)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern const char *blkid_partition_get_type_string(blkid_partition par)
+			__ul_attribute__((warn_unused_result));
+
+extern unsigned long long blkid_partition_get_flags(blkid_partition par)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_partition_is_logical(blkid_partition par)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern int blkid_partition_is_extended(blkid_partition par)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+extern int blkid_partition_is_primary(blkid_partition par)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern const char *blkid_parttable_get_type(blkid_parttable tab)
+			__ul_attribute__((warn_unused_result));
+
+extern const char *blkid_parttable_get_id(blkid_parttable tab)
+			__ul_attribute__((warn_unused_result));
+
+extern blkid_loff_t blkid_parttable_get_offset(blkid_parttable tab)
+			__ul_attribute__((warn_unused_result));
+extern blkid_partition blkid_parttable_get_parent(blkid_parttable tab)
+			__ul_attribute__((warn_unused_result));
+
+/*
+ * NAME=value low-level interface
+ */
+extern int blkid_do_probe(blkid_probe pr);
+extern int blkid_do_safeprobe(blkid_probe pr);
+extern int blkid_do_fullprobe(blkid_probe pr);
+
+extern int blkid_probe_numof_values(blkid_probe pr)
+			__ul_attribute__((warn_unused_result));
+extern int blkid_probe_get_value(blkid_probe pr, int num, const char **name,
+                        const char **data, size_t *len);
+extern int blkid_probe_lookup_value(blkid_probe pr, const char *name,
+                        const char **data, size_t *len);
+extern int blkid_probe_has_value(blkid_probe pr, const char *name)
+			__ul_attribute__((nonnull))
+			__ul_attribute__((warn_unused_result));
+
+extern int blkid_do_wipe(blkid_probe pr, int dryrun);
+extern int blkid_probe_step_back(blkid_probe pr);
+
+/*
+ * Deprecated functions/macros
+ */
+#ifndef BLKID_DISABLE_DEPRECATED
+
+#define BLKID_PROBREQ_LABEL     BLKID_SUBLKS_LABEL
+#define BLKID_PROBREQ_LABELRAW  BLKID_SUBLKS_LABELRAW
+#define BLKID_PROBREQ_UUID      BLKID_SUBLKS_UUID
+#define BLKID_PROBREQ_UUIDRAW   BLKID_SUBLKS_UUIDRAW
+#define BLKID_PROBREQ_TYPE      BLKID_SUBLKS_TYPE
+#define BLKID_PROBREQ_SECTYPE   BLKID_SUBLKS_SECTYPE
+#define BLKID_PROBREQ_USAGE     BLKID_SUBLKS_USAGE
+#define BLKID_PROBREQ_VERSION   BLKID_SUBLKS_VERSION
+
+extern int blkid_probe_set_request(blkid_probe pr, int flags)
+			__ul_attribute__((deprecated));
+
+extern int blkid_probe_filter_usage(blkid_probe pr, int flag, int usage)
+			__ul_attribute__((deprecated));
+
+extern int blkid_probe_filter_types(blkid_probe pr, int flag, char *names[])
+			__ul_attribute__((deprecated));
+
+extern int blkid_probe_invert_filter(blkid_probe pr)
+			__ul_attribute__((deprecated));
+
+extern int blkid_probe_reset_filter(blkid_probe pr)
+			__ul_attribute__((deprecated));
+
+#endif /* BLKID_DISABLE_DEPRECATED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BLKID_BLKID_H */