diff options
Diffstat (limited to 'source4/lib/tdb/include/tdb.h')
| -rw-r--r-- | source4/lib/tdb/include/tdb.h | 109 |
1 files changed, 33 insertions, 76 deletions
diff --git a/source4/lib/tdb/include/tdb.h b/source4/lib/tdb/include/tdb.h index 846b157758..cc3f3c18d8 100644 --- a/source4/lib/tdb/include/tdb.h +++ b/source4/lib/tdb/include/tdb.h @@ -53,99 +53,58 @@ enum TDB_ERROR {TDB_SUCCESS=0, TDB_ERR_CORRUPT, TDB_ERR_IO, TDB_ERR_LOCK, TDB_ERR_OOM, TDB_ERR_EXISTS, TDB_ERR_NOLOCK, TDB_ERR_LOCK_TIMEOUT, TDB_ERR_NOEXIST}; -#ifndef u32 -#define u32 unsigned -#endif - typedef struct TDB_DATA { - char *dptr; + unsigned char *dptr; size_t dsize; } TDB_DATA; -typedef u32 tdb_len; -typedef u32 tdb_off; - -/* this is stored at the front of every database */ -struct tdb_header { - char magic_food[32]; /* for /etc/magic */ - u32 version; /* version of the code */ - u32 hash_size; /* number of hash entries */ - tdb_off rwlocks; - tdb_off reserved[31]; -}; - -struct tdb_lock_type { - u32 count; - u32 ltype; -}; - -struct tdb_traverse_lock { - struct tdb_traverse_lock *next; - u32 off; - u32 hash; -}; - #ifndef PRINTF_ATTRIBUTE #define PRINTF_ATTRIBUTE(a,b) #endif /* this is the context structure that is returned from a db open */ -typedef 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 map_size; /* how much space has been mapped */ - int read_only; /* opened read-only */ - struct tdb_lock_type *locked; /* array of chain locks */ - enum TDB_ERROR ecode; /* error code for last tdb error */ - struct tdb_header header; /* a cached copy of the header */ - u32 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 */ - void (*log_fn)(struct tdb_context *tdb, int level, const char *, ...) PRINTF_ATTRIBUTE(3,4); /* logging function */ - u32 (*hash_fn)(TDB_DATA *key); - int open_flags; /* flags used in the open - needed by reopen */ -} TDB_CONTEXT; - -typedef int (*tdb_traverse_func)(TDB_CONTEXT *, TDB_DATA, TDB_DATA, void *); -typedef void (*tdb_log_func)(TDB_CONTEXT *, int , const char *, ...); -typedef u32 (*tdb_hash_func)(TDB_DATA *key); - -TDB_CONTEXT *tdb_open(const char *name, int hash_size, int tdb_flags, +typedef struct tdb_context TDB_CONTEXT; + +typedef int (*tdb_traverse_func)(struct tdb_context *, TDB_DATA, TDB_DATA, void *); +typedef void (*tdb_log_func)(struct tdb_context *, int , const char *, ...); +typedef unsigned int (*tdb_hash_func)(TDB_DATA *key); + +struct tdb_context *tdb_open(const char *name, int hash_size, int tdb_flags, int open_flags, mode_t mode); -TDB_CONTEXT *tdb_open_ex(const char *name, int hash_size, int tdb_flags, +struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, int open_flags, mode_t mode, tdb_log_func log_fn, tdb_hash_func hash_fn); -int tdb_reopen(TDB_CONTEXT *tdb); +int tdb_reopen(struct tdb_context *tdb); int tdb_reopen_all(void); -void tdb_logging_function(TDB_CONTEXT *tdb, tdb_log_func); -enum TDB_ERROR tdb_error(TDB_CONTEXT *tdb); -const char *tdb_errorstr(TDB_CONTEXT *tdb); -TDB_DATA tdb_fetch(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_delete(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_store(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, int flag); -int tdb_append(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA new_dbuf); -int tdb_close(TDB_CONTEXT *tdb); -TDB_DATA tdb_firstkey(TDB_CONTEXT *tdb); -TDB_DATA tdb_nextkey(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_traverse(TDB_CONTEXT *tdb, tdb_traverse_func fn, void *); -int tdb_exists(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_lockall(TDB_CONTEXT *tdb); -void tdb_unlockall(TDB_CONTEXT *tdb); +void tdb_logging_function(struct tdb_context *tdb, tdb_log_func); +enum TDB_ERROR tdb_error(struct tdb_context *tdb); +const char *tdb_errorstr(struct tdb_context *tdb); +TDB_DATA tdb_fetch(struct tdb_context *tdb, TDB_DATA key); +int tdb_delete(struct tdb_context *tdb, TDB_DATA key); +int tdb_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag); +int tdb_append(struct tdb_context *tdb, TDB_DATA key, TDB_DATA new_dbuf); +int tdb_close(struct tdb_context *tdb); +TDB_DATA tdb_firstkey(struct tdb_context *tdb); +TDB_DATA tdb_nextkey(struct tdb_context *tdb, TDB_DATA key); +int tdb_traverse(struct tdb_context *tdb, tdb_traverse_func fn, void *); +int tdb_exists(struct tdb_context *tdb, TDB_DATA key); +int tdb_lockall(struct tdb_context *tdb); +void tdb_unlockall(struct tdb_context *tdb); +const char *tdb_name(struct tdb_context *tdb); +int tdb_fd(struct tdb_context *tdb); +tdb_log_func tdb_log_fn(struct tdb_context *tdb); /* Low level locking functions: use with care */ -int tdb_chainlock(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_chainunlock(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_chainlock_read(TDB_CONTEXT *tdb, TDB_DATA key); -int tdb_chainunlock_read(TDB_CONTEXT *tdb, TDB_DATA key); +int tdb_chainlock(struct tdb_context *tdb, TDB_DATA key); +int tdb_chainunlock(struct tdb_context *tdb, TDB_DATA key); +int tdb_chainlock_read(struct tdb_context *tdb, TDB_DATA key); +int tdb_chainunlock_read(struct tdb_context *tdb, TDB_DATA key); /* Debug functions. Not used in production. */ -void tdb_dump_all(TDB_CONTEXT *tdb); -int tdb_printfreelist(TDB_CONTEXT *tdb); +void tdb_dump_all(struct tdb_context *tdb); +int tdb_printfreelist(struct tdb_context *tdb); extern TDB_DATA tdb_null; @@ -153,6 +112,4 @@ extern TDB_DATA tdb_null; } #endif -#include "spinlock.h" - #endif /* tdb.h */ |