On 068, 03 09, 2007 at 04:56:32PM +1100, Rusty Russell wrote: > __builtin_types_compatible_p() has been around since gcc 2.95,
but it's not available in Intel C compiler IIRC :( > and we don't use it anywhere. This patch quietly fixes that. > > Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> > > diff -r f0ff8138f993 include/linux/kernel.h > --- a/include/linux/kernel.h Fri Mar 09 16:40:25 2007 +1100 > +++ b/include/linux/kernel.h Fri Mar 09 16:44:04 2007 +1100 > @@ -35,7 +35,9 @@ extern const char linux_proc_banner[]; > #define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1) > #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) > > -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) > +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) > \ > + + sizeof(typeof(int[1 - 2*!!__builtin_types_compatible_p(typeof(arr), \ > + typeof(&arr[0]))]))*0) > #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) > #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) > #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Andrey Panin | Linux and UNIX system administrator [EMAIL PROTECTED] | PGP key: wwwkeys.pgp.net
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