License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
-#if HAVE_FILE_OFFSET_BITS
-#define _FILE_OFFSET_BITS 64
-#endif
-#include <stdint.h>
-#include <stdbool.h>
+#include <ccan/tdb2/tdb2.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>
-#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <utime.h>
#include <unistd.h>
-#include <ccan/tdb2/tdb2.h>
#include <ccan/likely/likely.h>
-#include <ccan/compiler/compiler.h>
-#if HAVE_BYTESWAP_H
-#include <byteswap.h>
-#endif
+#include <ccan/endian/endian.h>
#ifndef TEST_IT
#define TEST_IT(cond)
/* Prevent others from opening the file. */
#define TDB_OPEN_LOCK 0
-/* Doing a transaction. */
-#define TDB_TRANSACTION_LOCK 1
/* Expanding file. */
#define TDB_EXPANSION_LOCK 2
+/* Doing a transaction. */
+#define TDB_TRANSACTION_LOCK 8
/* Hash chain locks. */
#define TDB_HASH_LOCK_START 64
/* Indicates this entry is not on an flist (can happen during coalescing) */
#define TDB_FTABLE_NONE ((1ULL << TDB_OFF_UPPER_STEAL) - 1)
-#if !HAVE_BSWAP_64
-static inline uint64_t bswap_64(uint64_t x)
-{
- return (((x&0x000000FFULL)<<56)
- | ((x&0x0000FF00ULL)<<48)
- | ((x&0x00FF0000ULL)<<40)
- | ((x&0xFF000000ULL)<<32)
- | ((x>>8)&0xFF000000ULL)
- | ((x>>16)&0x00FF0000ULL)
- | ((x>>24)&0x0000FF00ULL)
- | ((x>>32)&0x000000FFULL));
-}
-#endif
-
struct tdb_used_record {
/* For on-disk compatibility, we avoid bitfields:
magic: 16, (highest)
struct tdb_lock {
struct tdb_context *owner;
- uint32_t off;
+ off_t off;
uint32_t count;
uint32_t ltype;
};
};
struct tdb_file {
- /* Single list of all TDBs, to detect multiple opens. */
- struct tdb_file *next;
-
/* How many are sharing us? */
unsigned int refcnt;
};
struct tdb_context {
+ /* Single list of all TDBs, to detect multiple opens. */
+ struct tdb_context *next;
+
/* Filename of the database. */
const char *name;
/* Are we accessing directly? (debugging check). */
int direct_access;
- /* Operating read-only? (Opened O_RDONLY, or in traverse_read) */
- bool read_only;
-
- /* mmap read only? */
- int mmap_flags;
+ /* Open flags passed to tdb_open. */
+ int open_flags;
/* the flags passed to tdb_open, for tdb_reopen. */
uint32_t flags;
/* Logging function */
void (*log_fn)(struct tdb_context *tdb,
enum tdb_log_level level,
+ enum TDB_ERROR ecode,
const char *message,
void *data);
void *log_data;
tdb_off_t ftable_off;
unsigned int ftable;
+ /* Our open hook, if any. */
+ enum TDB_ERROR (*openhook)(int fd, void *data);
+ void *openhook_data;
+
/* IO methods: changes for transactions. */
const struct tdb_methods *methods;