Problem with Memory Leak

[Pete Kay <petedao@xxxxxxxxx>]

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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