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fix warnz

#include "global.h"
#include "dbmqtt.h"


/* ------------------------------------------------------------------- */

/*
 * mqtt_db_open() Open database connection
 *
 * @csCfgName = config filename
 * @modtype = RTL module type, 0== mqtt_acc or !=0 mqtt_pub
 * return: NULL error or SQL handle
 */
sqlite3 *
mqtt_db_open(sl_config *cfg, int modtype)
{
	sqlite3 *sql = NULL;
	const char *str = NULL;

	if (!cfg)
		return NULL;

	str = (const char*) cfg_GetAttribute(cfg, (modtype ? CFG("mqtt_pub") : CFG("mqtt_acc")), CFG("name"));
	if (!str) {
		mqtt_db_log("Error:: Unknown database name ...\n");
		return NULL;
	}

	if (sqlite3_open_v2(str, &sql, modtype ? SQLITE_OPEN_READWRITE : SQLITE_OPEN_READONLY, NULL)) {
		MQTT_DB_LOG(sql);
		sqlite3_close(sql);
		return NULL;
	}

	return sql;
}

/*
 * mqtt_db_close() Close database connection
 *
 * @sql = SQL handle
 * return: none
 */
void
mqtt_db_close(sqlite3 *sql)
{
	sqlite3_close(sql);
}

/*
 * mqtt_db_log() Log database connection message
 *
 * @fmt = format string
 * @... = argument list
 * return: none
 */
void
mqtt_db_log(const char *fmt, ...)
{
	va_list lst;

	va_start(lst, fmt);
	vsyslog(LOG_ERR, fmt, lst);
	va_end(lst);
}