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-rw-r--r--source4/lib/tdb/common/tdb_private.h213
1 files changed, 0 insertions, 213 deletions
diff --git a/source4/lib/tdb/common/tdb_private.h b/source4/lib/tdb/common/tdb_private.h
deleted file mode 100644
index ffac89ff0e..0000000000
--- a/source4/lib/tdb/common/tdb_private.h
+++ /dev/null
@@ -1,213 +0,0 @@
- /*
- 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 "replace.h"
-#include "system/filesys.h"
-#include "system/time.h"
-#include "system/shmem.h"
-#include "system/select.h"
-#include "system/wait.h"
-#include "tdb.h"
-
-#ifndef HAVE_GETPAGESIZE
-#define getpagesize() 0x2000
-#endif
-
-typedef uint32_t tdb_len_t;
-typedef uint32_t tdb_off_t;
-
-#ifndef offsetof
-#define offsetof(t,f) ((unsigned int)&((t *)0)->f)
-#endif
-
-#define TDB_MAGIC_FOOD "TDB file\n"
-#define TDB_VERSION (0x26011967 + 6)
-#define TDB_MAGIC (0x26011999U)
-#define TDB_FREE_MAGIC (~TDB_MAGIC)
-#define TDB_DEAD_MAGIC (0xFEE1DEAD)
-#define TDB_RECOVERY_MAGIC (0xf53bc0e7U)
-#define TDB_ALIGNMENT 4
-#define DEFAULT_HASH_SIZE 131
-#define FREELIST_TOP (sizeof(struct tdb_header))
-#define TDB_ALIGN(x,a) (((x) + (a)-1) & ~((a)-1))
-#define TDB_BYTEREV(x) (((((x)&0xff)<<24)|((x)&0xFF00)<<8)|(((x)>>8)&0xFF00)|((x)>>24))
-#define TDB_DEAD(r) ((r)->magic == TDB_DEAD_MAGIC)
-#define TDB_BAD_MAGIC(r) ((r)->magic != TDB_MAGIC && !TDB_DEAD(r))
-#define TDB_HASH_TOP(hash) (FREELIST_TOP + (BUCKET(hash)+1)*sizeof(tdb_off_t))
-#define TDB_HASHTABLE_SIZE(tdb) ((tdb->header.hash_size+1)*sizeof(tdb_off_t))
-#define TDB_DATA_START(hash_size) (TDB_HASH_TOP(hash_size-1) + sizeof(tdb_off_t))
-#define TDB_RECOVERY_HEAD offsetof(struct tdb_header, recovery_start)
-#define TDB_SEQNUM_OFS offsetof(struct tdb_header, sequence_number)
-#define TDB_PAD_BYTE 0x42
-#define TDB_PAD_U32 0x42424242
-
-/* NB assumes there is a local variable called "tdb" that is the
- * current context, also takes doubly-parenthesized print-style
- * argument. */
-#define TDB_LOG(x) tdb->log.log_fn x
-
-/* lock offsets */
-#define GLOBAL_LOCK 0
-#define ACTIVE_LOCK 4
-#define 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(x); (x)=NULL;} } while(0)
-#endif
-
-#define BUCKET(hash) ((hash) % tdb->header.hash_size)
-
-#define DOCONV() (tdb->flags & TDB_CONVERT)
-#define CONVERT(x) (DOCONV() ? tdb_convert(&x, sizeof(x)) : &x)
-
-
-/* the body of the database is made of one list_struct for the free space
- plus a separate data list for each hash value */
-struct list_struct {
- tdb_off_t next; /* offset of the next record in the list */
- tdb_len_t rec_len; /* total byte length of record */
- tdb_len_t key_len; /* byte length of key */
- tdb_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)
- }
- */
-};
-
-
-/* this is stored at the front of every database */
-struct tdb_header {
- char magic_food[32]; /* for /etc/magic */
- uint32_t version; /* version of the code */
- uint32_t hash_size; /* number of hash entries */
- tdb_off_t rwlocks; /* obsolete - kept to detect old formats */
- tdb_off_t recovery_start; /* offset of transaction recovery region */
- tdb_off_t sequence_number; /* used when TDB_SEQNUM is set */
- tdb_off_t reserved[29];
-};
-
-struct tdb_lock_type {
- int list;
- uint32_t count;
- uint32_t ltype;
-};
-
-struct tdb_traverse_lock {
- struct tdb_traverse_lock *next;
- uint32_t off;
- uint32_t hash;
- int lock_rw;
-};
-
-
-struct tdb_methods {
- int (*tdb_read)(struct tdb_context *, tdb_off_t , void *, tdb_len_t , int );
- int (*tdb_write)(struct tdb_context *, tdb_off_t, const void *, tdb_len_t);
- void (*next_hash_chain)(struct tdb_context *, uint32_t *);
- int (*tdb_oob)(struct tdb_context *, tdb_off_t , int );
- int (*tdb_expand_file)(struct tdb_context *, tdb_off_t , tdb_off_t );
- int (*tdb_brlock)(struct tdb_context *, tdb_off_t , int, int, int, size_t);
-};
-
-struct tdb_context {
- char *name; /* the name of the database */
- void *map_ptr; /* where it is currently mapped */
- int fd; /* open file descriptor for the database */
- tdb_len_t map_size; /* how much space has been mapped */
- int read_only; /* opened read-only */
- int traverse_read; /* read-only traversal */
- int traverse_write; /* read-write traversal */
- struct tdb_lock_type global_lock;
- int num_lockrecs;
- struct tdb_lock_type *lockrecs; /* only real locks, all with count>0 */
- enum TDB_ERROR ecode; /* error code for last tdb error */
- struct tdb_header header; /* a cached copy of the header */
- uint32_t flags; /* the flags passed to tdb_open */
- struct tdb_traverse_lock travlocks; /* current traversal locks */
- struct tdb_context *next; /* all tdbs to avoid multiple opens */
- dev_t device; /* uniquely identifies this tdb */
- ino_t inode; /* uniquely identifies this tdb */
- struct tdb_logging_context log;
- unsigned int (*hash_fn)(TDB_DATA *key);
- int open_flags; /* flags used in the open - needed by reopen */
- unsigned int num_locks; /* number of chain locks held */
- const struct tdb_methods *methods;
- struct tdb_transaction *transaction;
- int page_size;
- int max_dead_records;
- bool have_transaction_lock;
- volatile sig_atomic_t *interrupt_sig_ptr;
-};
-
-
-/*
- internal prototypes
-*/
-int tdb_munmap(struct tdb_context *tdb);
-void tdb_mmap(struct tdb_context *tdb);
-int tdb_lock(struct tdb_context *tdb, int list, int ltype);
-int tdb_lock_nonblock(struct tdb_context *tdb, int list, int ltype);
-int tdb_unlock(struct tdb_context *tdb, int list, int ltype);
-int tdb_brlock(struct tdb_context *tdb, tdb_off_t offset, int rw_type, int lck_type, int probe, size_t len);
-int tdb_transaction_lock(struct tdb_context *tdb, int ltype);
-int tdb_transaction_unlock(struct tdb_context *tdb);
-int tdb_brlock_upgrade(struct tdb_context *tdb, tdb_off_t offset, size_t len);
-int tdb_write_lock_record(struct tdb_context *tdb, tdb_off_t off);
-int tdb_write_unlock_record(struct tdb_context *tdb, tdb_off_t off);
-int tdb_ofs_read(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d);
-int tdb_ofs_write(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d);
-void *tdb_convert(void *buf, uint32_t size);
-int tdb_free(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec);
-tdb_off_t tdb_allocate(struct tdb_context *tdb, tdb_len_t length, struct list_struct *rec);
-int tdb_ofs_read(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d);
-int tdb_ofs_write(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d);
-int tdb_lock_record(struct tdb_context *tdb, tdb_off_t off);
-int tdb_unlock_record(struct tdb_context *tdb, tdb_off_t off);
-int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec);
-int tdb_rec_write(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec);
-int tdb_do_delete(struct tdb_context *tdb, tdb_off_t rec_ptr, struct list_struct *rec);
-unsigned char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len_t len);
-int tdb_parse_data(struct tdb_context *tdb, TDB_DATA key,
- tdb_off_t offset, tdb_len_t len,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data);
-tdb_off_t tdb_find_lock_hash(struct tdb_context *tdb, TDB_DATA key, uint32_t hash, int locktype,
- struct list_struct *rec);
-void tdb_io_init(struct tdb_context *tdb);
-int tdb_expand(struct tdb_context *tdb, tdb_off_t size);
-int tdb_rec_free_read(struct tdb_context *tdb, tdb_off_t off,
- struct list_struct *rec);
-
-