+++ /dev/null
-#ifndef CCAN_TDB2_TDB1_PRIVATE_H
-#define CCAN_TDB2_TDB1_PRIVATE_H
- /*
- Unix SMB/CIFS implementation.
-
- trivial database library - private includes
-
- Copyright (C) Andrew Tridgell 2005
-
- ** NOTE! The following LGPL license applies to the tdb
- ** library. This does NOT imply that all of Samba is released
- ** under the LGPL
-
- 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "private.h"
-
-#include <limits.h>
-
-/* #define TDB_TRACE 1 */
-#ifndef HAVE_GETPAGESIZE
-#define getpagesize() 0x2000
-#endif
-
-#ifndef __STRING
-#define __STRING(x) #x
-#endif
-
-#ifndef __STRINGSTRING
-#define __STRINGSTRING(x) __STRING(x)
-#endif
-
-#ifndef __location__
-#define __location__ __FILE__ ":" __STRINGSTRING(__LINE__)
-#endif
-
-#ifndef offsetof
-#define offsetof(t,f) ((unsigned int)&((t *)0)->f)
-#endif
-
-#define TDB1_VERSION (0x26011967 + 6)
-#define TDB1_MAGIC (0x26011999U)
-#define TDB1_FREE_MAGIC (~TDB1_MAGIC)
-#define TDB1_DEAD_MAGIC (0xFEE1DEAD)
-#define TDB1_RECOVERY_MAGIC (0xf53bc0e7U)
-#define TDB1_RECOVERY_INVALID_MAGIC (0x0)
-#define TDB1_HASH_RWLOCK_MAGIC (0xbad1a51U)
-#define TDB1_ALIGNMENT 4
-#define TDB1_DEFAULT_HASH_SIZE 131
-#define TDB1_FREELIST_TOP (sizeof(struct tdb1_header))
-#define TDB1_ALIGN(x,a) (((x) + (a)-1) & ~((a)-1))
-#define TDB1_DEAD(r) ((r)->magic == TDB1_DEAD_MAGIC)
-#define TDB1_BAD_MAGIC(r) ((r)->magic != TDB1_MAGIC && !TDB1_DEAD(r))
-#define TDB1_HASH_TOP(hash) (TDB1_FREELIST_TOP + (TDB1_BUCKET(hash)+1)*sizeof(tdb1_off_t))
-#define TDB1_HASHTABLE_SIZE(tdb) ((tdb->tdb1.header.hash_size+1)*sizeof(tdb1_off_t))
-#define TDB1_DATA_START(hash_size) (TDB1_HASH_TOP(hash_size-1) + sizeof(tdb1_off_t))
-#define TDB1_RECOVERY_HEAD offsetof(struct tdb1_header, recovery_start)
-#define TDB1_SEQNUM_OFS offsetof(struct tdb1_header, sequence_number)
-#define TDB1_PAD_BYTE 0x42
-#define TDB1_PAD_U32 0x42424242
-
-/* lock offsets */
-#define TDB1_OPEN_LOCK 0
-#define TDB1_ACTIVE_LOCK 4
-#define TDB1_TRANSACTION_LOCK 8
-
-/* free memory if the pointer is valid and zero the pointer */
-#ifndef SAFE_FREE
-#define SAFE_FREE(x) do { if ((x) != NULL) {free((void *)x); (x)=NULL;} } while(0)
-#endif
-
-#define TDB1_BUCKET(hash) ((hash) % tdb->tdb1.header.hash_size)
-
-#define TDB1_DOCONV() (tdb->flags & TDB_CONVERT)
-#define TDB1_CONV(x) (TDB1_DOCONV() ? tdb1_convert(&x, sizeof(x)) : &x)
-
-/* the body of the database is made of one tdb1_record for the free space
- plus a separate data list for each hash value */
-struct tdb1_record {
- tdb1_off_t next; /* offset of the next record in the list */
- tdb1_len_t rec_len; /* total byte length of record */
- tdb1_len_t key_len; /* byte length of key */
- tdb1_len_t data_len; /* byte length of data */
- uint32_t full_hash; /* the full 32 bit hash of the key */
- uint32_t magic; /* try to catch errors */
- /* the following union is implied:
- union {
- char record[rec_len];
- struct {
- char key[key_len];
- char data[data_len];
- }
- uint32_t totalsize; (tailer)
- }
- */
-};
-
-
-struct tdb1_methods {
- int (*tdb1_read)(struct tdb_context *, tdb1_off_t , void *, tdb1_len_t , int );
- int (*tdb1_write)(struct tdb_context *, tdb1_off_t, const void *, tdb1_len_t);
- void (*next_hash_chain)(struct tdb_context *, uint32_t *);
- int (*tdb1_oob)(struct tdb_context *, tdb1_off_t, tdb1_len_t, int );
- int (*tdb1_expand_file)(struct tdb_context *, tdb1_off_t , tdb1_off_t );
-};
-
-
-/*
- internal prototypes
-*/
-int tdb1_munmap(struct tdb_context *tdb);
-void tdb1_mmap(struct tdb_context *tdb);
-int tdb1_lock(struct tdb_context *tdb, int list, int ltype);
-int tdb1_nest_lock(struct tdb_context *tdb, uint32_t offset, int ltype,
- enum tdb_lock_flags flags);
-int tdb1_nest_unlock(struct tdb_context *tdb, uint32_t offset, int ltype);
-int tdb1_unlock(struct tdb_context *tdb, int list, int ltype);
-int tdb1_brlock(struct tdb_context *tdb,
- int rw_type, tdb1_off_t offset, size_t len,
- enum tdb_lock_flags flags);
-int tdb1_brunlock(struct tdb_context *tdb,
- int rw_type, tdb1_off_t offset, size_t len);
-bool tdb1_have_extra_locks(struct tdb_context *tdb);
-void tdb1_release_transaction_locks(struct tdb_context *tdb);
-int tdb1_transaction_lock(struct tdb_context *tdb, int ltype,
- enum tdb_lock_flags lockflags);
-int tdb1_transaction_unlock(struct tdb_context *tdb, int ltype);
-int tdb1_recovery_area(struct tdb_context *tdb,
- const struct tdb1_methods *methods,
- tdb1_off_t *recovery_offset,
- struct tdb1_record *rec);
-int tdb1_allrecord_upgrade(struct tdb_context *tdb);
-int tdb1_write_lock_record(struct tdb_context *tdb, tdb1_off_t off);
-int tdb1_write_unlock_record(struct tdb_context *tdb, tdb1_off_t off);
-int tdb1_ofs_read(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-int tdb1_ofs_write(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-void *tdb1_convert(void *buf, uint32_t size);
-int tdb1_free(struct tdb_context *tdb, tdb1_off_t offset, struct tdb1_record *rec);
-tdb1_off_t tdb1_allocate(struct tdb_context *tdb, tdb1_len_t length, struct tdb1_record *rec);
-int tdb1_ofs_read(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-int tdb1_ofs_write(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-int tdb1_lock_record(struct tdb_context *tdb, tdb1_off_t off);
-int tdb1_unlock_record(struct tdb_context *tdb, tdb1_off_t off);
-tdb_bool_err tdb1_needs_recovery(struct tdb_context *tdb);
-int tdb1_rec_read(struct tdb_context *tdb, tdb1_off_t offset, struct tdb1_record *rec);
-int tdb1_rec_write(struct tdb_context *tdb, tdb1_off_t offset, struct tdb1_record *rec);
-int tdb1_do_delete(struct tdb_context *tdb, tdb1_off_t rec_ptr, struct tdb1_record *rec);
-unsigned char *tdb1_alloc_read(struct tdb_context *tdb, tdb1_off_t offset, tdb1_len_t len);
-enum TDB_ERROR tdb1_parse_data(struct tdb_context *tdb, TDB_DATA key,
- tdb1_off_t offset, tdb1_len_t len,
- enum TDB_ERROR (*parser)(TDB_DATA key,
- TDB_DATA data,
- void *private_data),
- void *private_data);
-tdb1_off_t tdb1_find_lock_hash(struct tdb_context *tdb, TDB_DATA key, uint32_t hash, int locktype,
- struct tdb1_record *rec);
-void tdb1_io_init(struct tdb_context *tdb);
-int tdb1_expand(struct tdb_context *tdb, tdb1_off_t size);
-tdb1_off_t tdb1_expand_adjust(tdb1_off_t map_size, tdb1_off_t size, int page_size);
-int tdb1_rec_free_read(struct tdb_context *tdb, tdb1_off_t off,
- struct tdb1_record *rec);
-bool tdb1_write_all(int fd, const void *buf, size_t count);
-void tdb1_header_hash(struct tdb_context *tdb,
- uint32_t *magic1_hash, uint32_t *magic2_hash);
-uint64_t tdb1_old_hash(const void *key, size_t len, uint64_t seed, void *);
-size_t tdb1_dead_space(struct tdb_context *tdb, tdb1_off_t off);
-#endif /* CCAN_TDB2_TDB1_PRIVATE_H */
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