On Fri 21 Sep 2018 07:23:03 PM CEST, Leonid Bloch wrote:
> Adding a lookup table for the powers of two, with the appropriate size
> prefixes. This is needed when a size has to be stringified, in which
> case something like '(1 * KiB)' would become a literal '(1 * (1L << 10))'
> string. Powers of two are used very often for sizes, so such a table
> will also make it easier and more intuitive to write them.
>
> This table is generatred using the following AWK script:
>
> BEGIN {
> suffix="KMGTPE";
> for(i=10; i<64; i++) {
> val=2**i;
> s=substr(suffix, int(i/10), 1);
> n=2**(i%10);
> pad=21-int(log(n)/log(10));
> printf("#define S_%d%siB %*d\n", n, s, pad, val);
> }
> }
>
> Signed-off-by: Leonid Bloch <[email protected]>
Reviewed-by: Alberto Garcia <[email protected]>
Berto
