Must mysql_free_result be called after mysql_store_result in case of NULL?

[Lefteris Tsintjelis]

Hi,

I have been searching for this for a while without finding a
good answer.

In the following example, MUST I call mysql_free_result() in
case mysql_store_result(sql)==NULL or not?

Is the following valid in case of NULL?

query="update/insert ..."

if (mysql_query(sql,query)!=0)
        return(-1);
if(mysql_store_result(sql)==NULL)
        return(0);
else {
        ...
}
mysql_free_result(result);

Thnx,

Lefteris

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