On Sunday 17 June 2001 03:32, Jeff Garzik wrote:
> Bill Pringlemeir wrote:
> > Why is the struct type referenced for the allocation size? Why not,
> >
> > if ((card->mpuout = kmalloc(sizeof(card->mpuout), GFP_KERNEL))
>
> because then you would be allocating the size of a pointer, not the size
> of a structure
Whoops Jeff, you didn't have your coffee yet:
struct foo { int a; int b; };
struct { struct foo foo; } *foobar;
int main (void)
{
printf("%i\n", sizeof(struct foo));
printf("%i\n", sizeof(foobar->foo));
printf("%i\n", sizeof(&foobar->foo));
}
Prints:
8
8
4
--
Daniel
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