Re: [RFCv3][PATCH 1/4] replace string_get_size() arrays

From: Joe Perches
Date: Tue Oct 04 2011 - 17:18:55 EST


On Tue, 2011-10-04 at 13:51 -0700, Dave Hansen wrote:
> On Tue, 2011-10-04 at 13:42 -0700, Joe Perches wrote:
> > > Right, but we're only handling u64.
> > So the declaration should be:
> > static const char byte_units[] = " KMGTPE";
> I guess that's worth a comment. But that first character doesn't get
> used. There were two alternatives:
> static const char byte_units[] = "_KMGTPE";

or
static const char byte_units[] = { 0, 'K', 'M', 'G', 'T', 'P', 'E' };

and use ARRAY_SIZE(byte_units) not strlen(byte_units)
for array size maximum.

> or something along the lines of:
> + static const char byte_units[] = "KMGTPE";
> ...
> + index--;
> + /* index=-1 is plain 'B' with no other unit */
> + if (index >= 0) {
>
> We don't ever _actually_ look at the space (or underscore). I figured
> the _ was nicer since it would be _obvious_ if it ever got printed out
> somehow.

shrug. It's all the same stuff.

cheers, Joe

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