#include <sys/types.h>
+#define MDB_VERSION_MAJOR 0
+#define MDB_VERSION_MINOR 8
+#define MDB_VERSION_PATCH 0
+#define MDB_VERINT(a,b,c) ((a << 24) | (b << 16) | c)
+#define MDB_VERSION_FULL \
+ MDB_VERINT(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH)
+#define MDB_VERSION_DATE "August 11, 2011"
+#define MDB_VERSTR(a,b,c,d) "MDB " #a "." #b "." #c ": (" #d ")"
+#define MDB_VERFOO(a,b,c,d) MDB_VERSTR(a,b,c,d)
+#define MDB_VERSION_STRING \
+ MDB_VERFOO(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH,MDB_VERSION_DATE)
+
struct MDB_cursor;
struct MDB_txn;
struct MDB_env;
typedef unsigned int MDB_dbi;
typedef struct MDB_val {
- void *mv_data;
size_t mv_size;
+ void *mv_data;
} MDB_val;
typedef int (MDB_cmp_func)(const MDB_val *a, const MDB_val *b);
typedef void (MDB_rel_func)(void *ptr, void *oldptr);
-#define MDB_NOOVERWRITE 1
+#define MDB_NOOVERWRITE 0x10
+#define MDB_NODUPDATA 0x20
+#define MDB_DEL_DUP 0x40
typedef enum MDB_cursor_op { /* cursor operations */
- MDB_CURSOR, /* position at given key */
- MDB_CURSOR_EXACT, /* position at key, or fail */
MDB_FIRST,
+ MDB_GET_BOTH, /* position at key/data */
+ MDB_GET_BOTH_RANGE, /* position at key, nearest data */
+ MDB_LAST,
MDB_NEXT,
- MDB_LAST, /* not implemented */
- MDB_PREV /* not implemented */
+ MDB_NEXT_DUP,
+ MDB_NEXT_NODUP,
+ MDB_PREV,
+ MDB_PREV_DUP,
+ MDB_PREV_NODUP,
+ MDB_SET, /* position at key, or fail */
+ MDB_SET_RANGE /* position at given key */
} MDB_cursor_op;
/* return codes */
-#define MDB_FAIL -1
+/* BerkeleyDB uses -30800 to -30999, we'll go under them */
#define MDB_SUCCESS 0
+#define MDB_KEYEXIST (-30799) /* key/data pair already exists */
+#define MDB_NOTFOUND (-30798) /* key/data pair not found (EOF) */
+#define MDB_PAGE_NOTFOUND (-30797) /* Requested page not found */
+#define MDB_CORRUPTED (-30796) /* Located page was wrong type */
+#define MDB_PANIC (-30795) /* Update of meta page failed, probably I/O error */
+#define MDB_VERSION_MISMATCH (-30794) /* Environment version mismatch */
/* DB flags */
#define MDB_REVERSEKEY 0x02 /* use reverse string keys */
#define MDB_DUPSORT 0x04 /* use sorted duplicates */
+#define MDB_INTEGERKEY 0x08 /* numeric keys in native byte order */
/* environment flags */
#define MDB_FIXEDMAP 0x01 /* mmap at a fixed address */
unsigned long ms_entries;
} MDB_stat;
-int mdbenv_create(MDB_env **env);
-int mdbenv_open(MDB_env *env, const char *path, unsigned int flags, mode_t mode);
-int mdbenv_stat(MDB_env *env, MDB_stat *stat);
-void mdbenv_close(MDB_env *env);
-int mdbenv_get_flags(MDB_env *env, unsigned int *flags);
-int mdbenv_get_path(MDB_env *env, const char **path);
-int mdbenv_set_mapsize(MDB_env *env, size_t size);
-int mdbenv_set_maxreaders(MDB_env *env, int readers);
-int mdbenv_get_maxreaders(MDB_env *env, int *readers);
-int mdbenv_set_maxdbs(MDB_env *env, int dbs);
-int mdbenv_sync(MDB_env *env);
+char *mdb_version(int *major, int *minor, int *patch);
+char *mdb_strerror(int err);
+int mdb_env_create(MDB_env **env);
+int mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mode_t mode);
+int mdb_env_stat(MDB_env *env, MDB_stat *stat);
+int mdb_env_sync(MDB_env *env, int force);
+void mdb_env_close(MDB_env *env);
+int mdb_env_set_flags(MDB_env *env, unsigned int flags, int onoff);
+int mdb_env_get_flags(MDB_env *env, unsigned int *flags);
+int mdb_env_get_path(MDB_env *env, const char **path);
+int mdb_env_set_mapsize(MDB_env *env, size_t size);
+int mdb_env_set_maxreaders(MDB_env *env, int readers);
+int mdb_env_get_maxreaders(MDB_env *env, int *readers);
+int mdb_env_set_maxdbs(MDB_env *env, int dbs);
int mdb_txn_begin(MDB_env *env, int rdonly, MDB_txn **txn);
int mdb_txn_commit(MDB_txn *txn);
int mdb_get(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data);
int mdb_put(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data,
unsigned int flags);
-int mdb_del(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data);
+int mdb_del(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data,
+ unsigned int flags);
int mdb_cursor_open(MDB_txn *txn, MDB_dbi dbi, MDB_cursor **cursor);
void mdb_cursor_close(MDB_cursor *cursor);
int mdb_cursor_get(MDB_cursor *cursor, MDB_val *key, MDB_val *data,
MDB_cursor_op op);
+int mdb_cursor_count(MDB_cursor *cursor, unsigned long *countp);
int mdb_cmp(MDB_txn *txn, MDB_dbi dbi, const MDB_val *a, const MDB_val *b);