On Wed, Jul 14, 2021 at 10:17 AM Tom Lane <t...@sss.pgh.pa.us> wrote:

> Zhihong Yu <z...@yugabyte.com> writes:
> > I was looking at fmgr_internal_validator().
> > It seems prosrc is only used internally.
> > The patch frees the C string prosrc points to, prior to returning.
>
> There's really very little point in adding such code.  Our memory
> context mechanisms take care of minor leaks like this, with less
> code and fewer cycles expended than explicit pfree calls require.
> It's worth trying to clean up explicitly in code that might get
> executed many times in a row, or might be allocating very big
> temporary chunks; but fmgr_internal_validator hardly falls in
> that category.
>
>                         regards, tom lane
>
Hi,
How about this occurrence which is in a loop ?

Thanks

Attachment: c-str-free.patch
Description: Binary data

Reply via email to