On Tuesday 01 December 2009, Glauber Costa wrote: > On Tue, Dec 01, 2009 at 12:57:27PM +0000, Paul Brook wrote: > > > You might want to have a 'static uint8_t zero_length_malloc[0]' and > > > return that instead of the magic cookie '1'. Makes the code more > > > readable IMHO and you'll also have symbol in gdb when debugging qemu. > > > > Having multiple malloc return the same pointer sounds like a really bad > > idea. > > And why's that? > > Keep in mind that *any* dereference over that address is a bug.
Dereferencing the address is a bug. However testing the addresses themselves for equality is valid. This is much the same reason I think returning NULL would be a bad idea. Paul
