Re: [PATCH] strings: helper for maximum decimal encoding of anunsigned integer

From: Bernd Petrovitsch
Date: Fri Sep 14 2012 - 11:01:51 EST

On Fre, 2012-09-14 at 16:25 +0200, Jan Engelhardt wrote:
> On Friday 2012-09-14 15:46, Jim Rees wrote:
> >Jan Engelhardt wrote:
> > >A pure K&R-C version would use a string:
> > >#define base10len(i) "\0x1\0x3\0x5\0x8\0x0A\0x0D\0x0F\0x11\0x14"[sizeof(i)]
> > >(if I converted them properly into hexadecimal)
> > The syntax is \x01\x03\x05...
> >
> >K&R doesn't have the \x escape, only \0 (octal).

We cuold use octal too.

> People recommend K&R only for the introductory reading, not for its
> actuality.

And I actually used it to show that no gcc-isms are necessary. ANSI-C is
fine too for that case.

Bernd Petrovitsch Email : bernd@xxxxxxxxxxxxxxxxxxx

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