This is the mail archive of the
gdb-patches@sourceware.org
mailing list for the GDB project.
Re: [RFC] Strings and arrays without malloc
On Thu, Mar 13, 2008 at 12:21:57PM -0700, Joel Brobecker wrote:
> > Here's some expressions which used to call malloc and still do; these
> > are operations which involve pointers, so we need to call malloc to
> > get a valid pointer for them.
> >
> > print *"abc"
> > print "abc" + 1
> > print &"abc"
> > print strcmp ("abc", "def")
> > print &{4, 5, 6}
>
> Honestly, except maybe for the case where strcmp is involved, I find
> that the semantics of the expressions could be debated.
I agree. I seriously considered breaking some more of these to remove
one of the coercions. But strcmp ("abc", "def") obviously has to
work; I don't remember which ones I was considering breaking now.
> Or, in one expression (if I get my precedence right):
>
> print &(*&{4, 5, 6})[1]
Right. But I'm not going out of my way to document this, because to
be honest I can't think of a single reason to do it.
Patch checked in!
--
Daniel Jacobowitz
CodeSourcery