Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: Newbie idiotic questions. | Date | Sun, 17 Jun 2001 12:48:01 +0200 |
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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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