[GENERAL] Problem with Memory Leak

[Pete Kay]

Hi

I am having memory leaking problem and here is the result shown from valgrind:


==1706== 1,270 bytes in 5 blocks are still reachable in loss record 353 of 426
==1706==    at 0x4C20809: malloc (vg_replace_malloc.c:149)
==1706==    by 0x5D3F431: strdup (in /lib64/libc-2.5.so)
==1706==    by 0x109484E0: PQsendQuery (in /usr/lib64/libpq.so.5.2)


Here is my source code:

static PGresult *get_pg_result(char *sql) {


        PGresult *res=NULL;
        PGresult *final_res=NULL;
        PGconn* conn = NULL;
        
        int ret = 0;

        db_con_t* connection_node = get_connection();

        
        if (connection_node == NULL) {
                free(sql);
                return  NULL;
        }



        
        conn = connection_node->conn;
                if (PQstatus(conn) != CONNECTION_OK){
                                PQfinish(conn);
                                return NULL;
                }
                
                ret = PQsendQuery(conn, sql);
                 if (1 != ret) {

                
                        switch_safe_free(sql);
                        release_connection(connection_node);
                        return NULL;
                }
                
        while ((res = PQgetResult(conn))) {


                final_res = res;
        }
        
        
        
                
                
                

        free(sql);
        return final_res;
}

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