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s3-dbwrap: Rewrite dbwrap_fetch in terms of dbwrap_parse_record

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Signed-off-by: Michael Adam <obnox@samba.org>
This commit is contained in:
Volker Lendecke 2011-12-08 16:43:40 +01:00 committed by Michael Adam
parent 77dca70350
commit b5d056ca23
1 changed files with 30 additions and 3 deletions
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33
source3/lib/dbwrap/dbwrap.c
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@ -135,16 +135,43 @@ struct db_record *dbwrap_fetch_locked(struct db_context *db,
return db->fetch_locked(db, mem_ctx, key);
}
struct dbwrap_fetch_state {
TALLOC_CTX *mem_ctx;
TDB_DATA data;
};
static void dbwrap_fetch_parser(TDB_DATA key, TDB_DATA data,
void *private_data)
{
struct dbwrap_fetch_state *state =
(struct dbwrap_fetch_state *)private_data;
state->data.dsize = data.dsize;
state->data.dptr = (uint8_t *)talloc_memdup(state->mem_ctx, data.dptr,
data.dsize);
}
NTSTATUS dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
TDB_DATA key, TDB_DATA *value)
{
struct dbwrap_fetch_state state;
NTSTATUS status;
if (value == NULL) {
return NT_STATUS_INVALID_PARAMETER;
}
if (db->fetch == NULL) {
return dbwrap_fallback_fetch(db, mem_ctx, key, value);
state.mem_ctx = mem_ctx;
status = dbwrap_parse_record(db, key, dbwrap_fetch_parser, &state);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return db->fetch(db, mem_ctx, key, value);
if ((state.data.dsize != 0) && (state.data.dptr == NULL)) {
return NT_STATUS_NO_MEMORY;
}
*value = state.data;
return NT_STATUS_OK;
}
bool dbwrap_exists(struct db_context *db, TDB_DATA key)