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SubjectRe: kobjects, sysfs and the driver model make my head hurt
On Sun, 6 Jul 2003, Davide Libenzi wrote:

> On Sun, 6 Jul 2003, Matthew Wilcox wrote:
>
> > Why on earth does it return the value of its argument?
>
> Maybe for the same reason 'strcpy' returns 'dest'. It allows you to use
> the function in a function parameter :

It also makes calling code cleaner when copying refcounted objects:

e.g.
new->foo = foo_get(old->foo);
new->bar = bar_get(old->bar);

otherwise, you'd have to do:

foo_get(old->foo);
new->foo = old->foo;
bar_get(old->bar);
new->bar = old->bar;


- James
--
James Morris
<jmorris@intercode.com.au>

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