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Diffstat (limited to '')
-rw-r--r-- | lib/util/util_tdb.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/lib/util/util_tdb.h b/lib/util/util_tdb.h new file mode 100644 index 0000000..010521d --- /dev/null +++ b/lib/util/util_tdb.h @@ -0,0 +1,125 @@ +/* + Unix SMB/CIFS implementation. + + tdb utility functions + + Copyright (C) Andrew Tridgell 1992-2006 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _____LIB_UTIL_UTIL_TDB_H__ +#define _____LIB_UTIL_UTIL_TDB_H__ + +#include "replace.h" +#include <tdb.h> +#include "libcli/util/ntstatus.h" + +/*************************************************************** + Make a TDB_DATA and keep the const warning in one place +****************************************************************/ +TDB_DATA make_tdb_data(const uint8_t *dptr, size_t dsize); +bool tdb_data_equal(TDB_DATA t1, TDB_DATA t2); +bool tdb_data_is_empty(TDB_DATA d); +TDB_DATA string_tdb_data(const char *string); +TDB_DATA string_term_tdb_data(const char *string); +TDB_DATA tdb_data_talloc_copy(TALLOC_CTX* mem_ctx, TDB_DATA data); + +/**************************************************************************** + Lock a chain by string. Return non-zero if lock failed. +****************************************************************************/ +int tdb_lock_bystring(struct tdb_context *tdb, const char *keyval); + +/**************************************************************************** + Unlock a chain by string. +****************************************************************************/ +void tdb_unlock_bystring(struct tdb_context *tdb, const char *keyval); + +/**************************************************************************** + Read lock a chain by string. Return non-zero if lock failed. +****************************************************************************/ +int tdb_read_lock_bystring(struct tdb_context *tdb, const char *keyval); + +/**************************************************************************** + Read unlock a chain by string. +****************************************************************************/ +void tdb_read_unlock_bystring(struct tdb_context *tdb, const char *keyval); + +/**************************************************************************** + Fetch a int32_t value by string key, return -1 if not found. + Output is int32_t in native byte order. +****************************************************************************/ +int32_t tdb_fetch_int32(struct tdb_context *tdb, const char *keystr); + +/**************************************************************************** + Store a int32_t value by string key, return 0 on success, -ve on failure. + Input is int32_t in native byte order. Output in tdb is in little-endian. +****************************************************************************/ +int tdb_store_int32(struct tdb_context *tdb, const char *keystr, int32_t v); + +/**************************************************************************** + Fetch a uint32_t value by string key, return -1 if not found. + Output is uint32_t in native byte order. +****************************************************************************/ +bool tdb_fetch_uint32(struct tdb_context *tdb, const char *keystr, uint32_t *value); + +/**************************************************************************** + Store a uint32_t value by string key, return true on success, false on failure. + Input is uint32_t in native byte order. Output in tdb is in little-endian. +****************************************************************************/ +bool tdb_store_uint32(struct tdb_context *tdb, const char *keystr, uint32_t value); + +/**************************************************************************** + Store a buffer by a null terminated string key. Return 0 on success, -ve + on failure. +****************************************************************************/ +int tdb_store_bystring(struct tdb_context *tdb, const char *keystr, TDB_DATA data, int flags); + +/**************************************************************************** + Fetch a buffer using a null terminated string key. Don't forget to call + free() on the result dptr. +****************************************************************************/ +TDB_DATA tdb_fetch_bystring(struct tdb_context *tdb, const char *keystr); + +/**************************************************************************** + Delete an entry using a null terminated string key. 0 on success, -ve on err. +****************************************************************************/ +int tdb_delete_bystring(struct tdb_context *tdb, const char *keystr); + +/**************************************************************************** + Atomic integer change. Returns old value. To create, set initial value in *oldval. +****************************************************************************/ +int32_t tdb_change_int32_atomic(struct tdb_context *tdb, const char *keystr, int32_t *oldval, int32_t change_val); + +/**************************************************************************** + Atomic unsigned integer change. Returns old value. To create, set initial value in *oldval. +****************************************************************************/ +bool tdb_change_uint32_atomic(struct tdb_context *tdb, const char *keystr, uint32_t *oldval, uint32_t change_val); + +/**************************************************************************** + Return an NTSTATUS from a TDB_ERROR +****************************************************************************/ + +NTSTATUS map_nt_error_from_tdb(enum TDB_ERROR err); + +/**************************************************************************** + Return an errno from a TDB_ERROR +****************************************************************************/ + +int map_unix_error_from_tdb(enum TDB_ERROR err); + +int tdb_fetch_talloc(struct tdb_context *tdb, TDB_DATA key, + TALLOC_CTX *mem_ctx, uint8_t **buf); + +#endif /* _____LIB_UTIL_UTIL_TDB_H__ */ |