gmccaughan at synaptics-uk.com
Thu Mar 25 10:54:00 EST 2004
On Thursday 2004-03-25 15:39, Guido van Rossum wrote:
> > i'm using gcc-cvs and i get "invalid lvalue..."
> > in Objects/bufferobject.c, line 46
> > i fix this by deleting the cast to char on the left side of =
> > (my c's not so sharp, so i'm not sure this is the way to fix it)
> > but i just wanted to point out the problem hoping someone
> > might know what to do with it...
> Hm, the GCC I have likes this just fine. It seems you are using a
> bleeding edge GCC version. Maybe you can take this up with the GCC
> developers? It could be a bug there...
According to the draft C9x standard (the only C standard
I have to hand), "a cast does not yield an lvalue". I think
that line should say
*ptr = (void*)((char *)*ptr + offset);
which I assume is the intended meaning.
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