On Mon, Dec 10, 2007 at 02:28:39PM +1100, David Gibson wrote:
> +#define check_err(err) \
> + ({ \
> + if (BAD_ERROR(err) || ((err < 0) && DEBUG)) \
> + printf("%s():%d %s\n\r", __FUNCTION__, __LINE__, \
> + fdt_strerror(err)); \
> + if (BAD_ERROR(err)) \
> + exit(); \
> + (err < 0) ? -1 : 0; \
> + })
> +
> +#define offset_devp(off) \
> + ({ \
> + int offset = (off); \
> + check_err(offset) ? NULL : (void *)(offset+1); \
> + })
> +
> +#define devp_offset(devp) (((int)(devp))-1)
How does using offsets as devps work if a devp was previously acquired to a
node that has to be moved due to a change later made in an earlier part of
the tree?
-Scott
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