:: Re: [DNG] Unmingling kdbus and the …
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Autor: Hendrik Boom
Data:  
A: dng
Assumpte: Re: [DNG] Unmingling kdbus and the Linux kernel
On Mon, Aug 03, 2015 at 03:32:30PM +0100, Rainer Weikusat wrote:
> Hendrik Boom <hendrik@???> writes:
> > On Mon, Aug 03, 2015 at 01:14:16PM +0100, Rainer Weikusat wrote:
> >
> >>
> >> [*] In case you want an example where this is at least debatable (and I
> >>     happen to disgree with what he wrote on the topic). The simplest way
> >>     to implement a block memory copy in C is

> >
> > Correction:
> >
> >>
> >>     static void cpy(char *d, char const *s, size_t len)
> >>     {
> >>         while (len) --len, d[len] = s[len];
> >          while (len){ --len, d[len] = s[len]; |
> >>     }

> >>
> >
> > It may have been simple, but not correct.
>
> A C 'while loop' is defined as
>
> while ( expression ) statement
>
> and
>
> --len, d[len] = s[len];
>
> is a perfectly valid expression statement.


Interesting! You are right! I misread a comma as a semicolon.

I never thought of using commas this way. Now I get to wonder whether
this way of eliminating brackets is clarifying or misleading. It
misled me.

But As a old user of the Lisp family of languages, I hate explicit
brackets.

-- hendrik

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