Re: sizeof problem in kernel modules

Keith Owens (kaos@ocs.com.au)
Sun, 24 Jun 2001 01:18:39 +1000


On Sat, 23 Jun 2001 16:54:20 +0200 (CEST),
Der Herr Hofrat <der.herr@hofr.at> wrote:
>struct { short x; long y; short z; }bad_struct;
>struct { long y; short x; short z; }good_struct;
>I would expect both structs to be 8byte in size , or atleast the same size !
>but good_struct turns out to be 8bytes and bad_struct 12 .

Read any C book about field alignment and padding in structures.
Nothing to do with the kernel or modules.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/