[PATCH v2 2/3] libcpp: add a function to determine UTF-8 validity of a C string

[Ben Boeckel]

On Fri, Oct 28, 2022 at 08:59:16 -0400, David Malcolm wrote:
> On Thu, 2022-10-27 at 19:16 -0400, Ben Boeckel wrote:
> > This simplifies the interface for other UTF-8 validity detections
> > when a
> > simple "yes" or "no" answer is sufficient.
> > 
> > Signed-off-by: Ben Boeckel <ben.boeckel@kitware.com>
> > ---
> >  libcpp/ChangeLog  |  6 ++++++
> >  libcpp/charset.cc | 18 ++++++++++++++++++
> >  libcpp/internal.h |  2 ++
> >  3 files changed, 26 insertions(+)
> > 
> > diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
> > index 4d707277531..4e2c7900ae2 100644
> > --- a/libcpp/ChangeLog
> > +++ b/libcpp/ChangeLog
> > @@ -1,3 +1,9 @@
> > +2022-10-27  Ben Boeckel  <ben.boeckel@kitware.com>
> > +
> > +       * include/charset.cc: Add `_cpp_valid_utf8_str` which
> > determines
> > +       whether a C string is valid UTF-8 or not.
> > +       * include/internal.h: Add prototype for
> > `_cpp_valid_utf8_str`.
> > +
> >  2022-10-27  Ben Boeckel  <ben.boeckel@kitware.com>
> >  
> >         * include/charset.cc: Reject encodings of codepoints above
> > 0x10FFFF.
> 
> The patch looks good to me, with the same potential caveat that you
> might need to move the ChangeLog entry from the patch "body" to the
> leading blurb, to satisfy:
>   ./contrib/gcc-changelog/git_check_commit.py

Ah, I had missed that. Now fixed locally for patches 1 and 2; will be in
v3 pending some time for further reviews.

THanks,

--Ben