Re: [BUG] mtd redboot (also gcc 4.1 warning fix)

[Steven Rostedt]

On Wed, 10 May 2006, Matheus Izvekov wrote:

> On 5/9/06, Daniel Walker <dwalker@xxxxxxxxxx> wrote:
> > unsigned long may not always be 32 bits, right ? This patch fixes the
> Incorrect, its defined as 32bits for every standard C compiler

Nope, I believe that long is always suppose to be big enough to hold a
pointer.  So if you have 64 bit pointers, long needs to be 64 bits.  That
way it is always safe to do:

void *func(void *p) {
	unsigned long l = (unsigned long)p;

	/* do stuff with l */

	p = (void*)l;
	return p;
}

-- Steve


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/