asterisk/main/datastore.c

74 lines
1.7 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2007 - 2008, Digium, Inc.
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Asterisk datastore objects
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/_private.h"
#include "asterisk/datastore.h"
#include "asterisk/utils.h"
struct ast_datastore *ast_datastore_alloc(const struct ast_datastore_info *info, const char *uid)
{
struct ast_datastore *datastore = NULL;
/* Make sure we at least have type so we can identify this */
if (!info) {
return NULL;
}
/* Allocate memory for datastore and clear it */
datastore = ast_calloc(1, sizeof(*datastore));
if (!datastore) {
return NULL;
}
datastore->info = info;
datastore->uid = ast_strdup(uid);
return datastore;
}
int ast_datastore_free(struct ast_datastore *datastore)
{
int res = 0;
/* Using the destroy function (if present) destroy the data */
if (datastore->info->destroy != NULL && datastore->data != NULL) {
datastore->info->destroy(datastore->data);
datastore->data = NULL;
}
/* Free allocated UID memory */
if (datastore->uid != NULL) {
ast_free((void *) datastore->uid);
datastore->uid = NULL;
}
/* Finally free memory used by ourselves */
ast_free(datastore);
return res;
}