Re: [9fans] binary sprint format

[Adriano Verardo <a.verardo@tecmav.com>]

jmk@plan9.bell-labs.com wrote:
> the kernel library include file (../port/lib.h)
> does not have a pragma in it for %b. if this is
> indeed a kernel driver you are writing then you
> should add the pragma in the driver:
>
> #pragma	varargck	type	"b"	int
>
> the reason the kernel does not just use <libc.h>
> is to catch the inadvertent use of routines from
> libc.a that just won't work if used in the kernel
> (e.g. functions that do system calls). if %b becomes
> commonly used in the kernel and is safe to use
> (not all format specifiers are safe in the kernel,
> e.g. those for floating point) then it will find
> its way into ../port/lib.h.
>
> --jim
>
>
>
It works perfectly.

Thank you very much, Jim.

adriano