[PATCH v2 1/5] lib: string: Fix strlcpy return value

[Simon Glass]

Hi Sean,

On Thu, 25 Mar 2021 at 13:54, Sean Anderson <seanga2 at gmail.com> wrote:
>
> On 3/24/21 8:38 PM, Simon Glass wrote:
> > Hi Sean,
> >
> > On Thu, 11 Mar 2021 at 18:15, Sean Anderson <seanga2 at gmail.com> wrote:
> >>
> >> strlcpy should always return the number of bytes copied. We were
> >> accidentally missing the nul-terminator. We also always used to return a
> >> non-zero value, even if we did not actually copy anything.
> >>
> >> Fixes: 23cd138503 ("Integrate USB gadget layer and USB CDC driver layer")
> >>
> >> Signed-off-by: Sean Anderson <seanga2 at gmail.com>
> >> ---
> >>
> >> Changes in v2:
> >> - New
> >>
> >>   lib/string.c | 12 ++++++++----
> >>   1 file changed, 8 insertions(+), 4 deletions(-)
> >
> > Please can you add a test while you are here? Might be easier on the
> > -next branch.
>
> This is tested in patch 3 as strlcat is implemented with strlcpy. Though
> it looks like I will need to change the implementation...

Yes but I still think it is good to have a few simple test for this
function .Transitive tests are quite a bit harder to understand.
Perhaps just 3-4 cases?

Regards,
Simon