Re: Build regressions/improvements in v3.0-rc5 (ssize_t ???)

Geert Uytterhoeven
2011-06-30T08:43:57Z

On Thu, Jun 30, 2011 at 10:01, Christoph Hellwig <hch@infradead.org> wrote:
> On Thu, Jun 30, 2011 at 08:59:28AM +0200, Geert Uytterhoeven wrote:
>> Nope. Also only happens on cris, which has in
>> arch/cris/include/asm/posix_types.h:
>>
>> typedef long            __kernel_ssize_t;
>>
>> The "long" should be "int".
>> But probably it should just include <asm-generic/posix_types.h> instead.
>
> Changing a user visible type won't be very nice for those using it in
> C++ code.

Are __kernel_* types exported to C++ userspace?

> Better fix the code to use the proper %zd specifier for printing ssize_t
> variables.

We cannot, as that would break on all other platforms that use the
correct ssize_t.

The problem is the incorrect typedef in the cris headers.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds