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fix warnz

    1: #include "global.h"
    2: #include "dbmqtt.h"
    3: 
    4: 
    5: /* ------------------------------------------------------------------- */
    6: 
    7: /*
    8:  * mqtt_db_open() Open database connection
    9:  *
   10:  * @csCfgName = config filename
   11:  * @modtype = RTL module type, 0== mqtt_acc or !=0 mqtt_pub
   12:  * return: NULL error or SQL handle
   13:  */
   14: sqlite3 *
   15: mqtt_db_open(sl_config *cfg, int modtype)
   16: {
   17: 	sqlite3 *sql = NULL;
   18: 	const char *str = NULL;
   19: 
   20: 	if (!cfg)
   21: 		return NULL;
   22: 
   23: 	str = (const char*) cfg_GetAttribute(cfg, (modtype ? CFG("mqtt_pub") : CFG("mqtt_acc")), CFG("name"));
   24: 	if (!str) {
   25: 		mqtt_db_log("Error:: Unknown database name ...\n");
   26: 		return NULL;
   27: 	}
   28: 
   29: 	if (sqlite3_open_v2(str, &sql, modtype ? SQLITE_OPEN_READWRITE : SQLITE_OPEN_READONLY, NULL)) {
   30: 		MQTT_DB_LOG(sql);
   31: 		sqlite3_close(sql);
   32: 		return NULL;
   33: 	}
   34: 
   35: 	return sql;
   36: }
   37: 
   38: /*
   39:  * mqtt_db_close() Close database connection
   40:  *
   41:  * @sql = SQL handle
   42:  * return: none
   43:  */
   44: void
   45: mqtt_db_close(sqlite3 *sql)
   46: {
   47: 	sqlite3_close(sql);
   48: }
   49: 
   50: /*
   51:  * mqtt_db_log() Log database connection message
   52:  *
   53:  * @fmt = format string
   54:  * @... = argument list
   55:  * return: none
   56:  */
   57: void
   58: mqtt_db_log(const char *fmt, ...)
   59: {
   60: 	va_list lst;
   61: 
   62: 	va_start(lst, fmt);
   63: 	vsyslog(LOG_ERR, fmt, lst);
   64: 	va_end(lst);
   65: }