[postgis-devel] question about memory leak when deserialize

[Tom Lane]

"=?GB2312?B?s8LV8Q==?=" <zhenchen17 at gmail.com> writes:
> I have a question on memory leak when deserialize.
> In the fuctions such as lwmpoly_deserialize, lwmline_deserialize and
> lwmpoint_deserialize, there is a temporal variable named insp which is
> defined as LWGEOM_INSPECTED *insp; It allocated memory when it
> initialized in the statement : insp = lwgeom_inspect(srl);
> However, when finished, nowhere to free this memory which causes
> memory leak.

You've provided no context whatsoever.  In very many cases within
Postgres, a function need not worry about "leaking" palloc'd space
because the space will soon get reclaimed anyway.  If you have an
example where you're seeing a serious practical leak, please
provide details.

			regards, tom lane