On Wed, Feb 15, 2023 at 03:11:31PM +0100, Laszlo Ersek wrote:
> Apply the ideas in the previous patch to the C-language bindings
> generator.
> 
> Signed-off-by: Laszlo Ersek <ler...@redhat.com>
> ---
>  generator/C.ml | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
> 

>    pr "#ifndef LIBNBD_ATTRIBUTE_NONNULL\n";
> -  pr "#if defined(__GNUC__) && LIBNBD_GCC_VERSION >= 120000 /* gcc >= 12.0 
> */\n";
> -  pr "#define LIBNBD_ATTRIBUTE_NONNULL(...) 
> __attribute__((__nonnull__(__VA_ARGS__)))\n";
> +  pr "#if defined (__GNUC__) && LIBNBD_GCC_VERSION >= 120000 /* gcc >= 12.0 
> */\n";
> +  pr "#define LIBNBD_ATTRIBUTE_NONNULL(...) __attribute__ ((__nonnull__ 
> (__VA_ARGS__)))\n";

Not only are these lines long in our source, they are long in the
generated libnbd.h.  I would not be opposed to a followup patch that
tries harder at keeping the generated file under 80 columns (but there
are already places where that is harder than this snippet - such as
the generated declaration of nbd_aio_opt_list_meta_context), but it
does not need to happen in this patch.

And while I mentioned in 01/29 about the possibility of a C code
formatter as a CI step for *.[ch], it would be even harder to insist
that generated code matches a given style (it's always a nice goal for
generated files to be human-readable where possible, but I'd much
rather sacrifice that if it gets in the way of actually implementing
the generator concisely).

Reviewed-by: Eric Blake <ebl...@redhat.com>

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org
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