[m-dev.] for review: shut up a warning
Fergus Henderson
fjh at cs.mu.OZ.AU
Fri Jan 19 13:22:32 AEDT 2001
On 19-Jan-2001, Zoltan Somogyi <zs at cs.mu.OZ.AU> wrote:
> On 18-Jan-2001, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> > That code has a memory leak in non-conservative GC grades.
> > In non-conservative GC grades, the memory will get allocated
> > with malloc(), and never freed. It should instead get
> > allocated on the Mercury heap, so that it will get
> > reclaimed on backtracking (or by the accurate garbage
> > collector, when that is implemented).
> >
> > That's why the code should use MR_make_string(), as I suggested
> > earlier.
>
> Fergus, MR_make_string doesn't do what you think it does.
?
What do you think it does, and what do you think I think it does?
> I will change the code to call MR_make_aligned_string_copy.
Using MR_make_string() is better since the memory allocated
with MR_make_string() shows up in the heap allocation profile,
whereas memory allocated with MR_make_aligned_string_copy()
doesn't.
--
Fergus Henderson <fjh at cs.mu.oz.au> | "I have always known that the pursuit
| of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh> | -- the last words of T. S. Garp.
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