On Thu, 4 Nov 2021 20:02:27 -0600
Simon Glass <[email protected]> wrote:

> On Wed, 3 Nov 2021 at 17:23, Marek Behún <[email protected]> wrote:
> >
> > From: Marek Behún <[email protected]>
> >
> > Add get_str_list() method to sysinfo operations.
> >
> > The get_str_list() method is similar to get_str(), but receives one
> > additional argument, @idx, and fills in the @idx-th string from a given
> > list.
> >
> > Add sandbox implementation together with a unittest.
> >
> > Signed-off-by: Marek Behún <[email protected]>
> > ---
> >  drivers/sysinfo/sandbox.c        | 15 +++++++++++
> >  drivers/sysinfo/sysinfo-uclass.c | 15 +++++++++++
> >  include/sysinfo.h                | 44 ++++++++++++++++++++++++++++++++
> >  test/dm/sysinfo.c                | 13 ++++++++++
> >  4 files changed, 87 insertions(+)
> >  
> 
> Reviewed-by: Simon Glass <[email protected]>
> 
> Except I think it should return -NOSPC if the buffer is too small.

No because then you don't know how large buffer you actually need and
have to guess (or grow by a factor of two until it fits).

This way you can call with size=0, get the length, allocate buffer and
call again.

Marek

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