Re: [PATCH v3] lib/string.c: implement stpcpy

[Nick Desaulniers]

On Wed, Aug 26, 2020 at 9:57 AM Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> On Thu, 2020-08-27 at 01:49 +0900, Masahiro Yamada wrote:
> > I do not have time to keep track of the discussion fully,
> > but could you give me a little more context why
> > the usage of stpcpy() is not recommended ?
> >
> > The implementation of strcpy() is almost the same.
> > It is unclear to me what makes stpcpy() unsafe..

https://lore.kernel.org/lkml/202008150921.B70721A359@keescook/

>
> It's the same thing that makes strcpy unsafe:
>
> Unchecked buffer lengths with no guarantee src is terminated.

-- 
Thanks,
~Nick Desaulniers