Re: [Help-smalltalk] Gentoo 1.4 and Smalltalk 2.0i

[Markus Fritsche]

> > #6  _gst_mem_free (h=0x80a2700, mem=0x0) at alloc.c:356
> > #7  0x0806e2c4 in free (block=0x0) at alloc.c:756
> > #8  0x40040b29 in setlocale () from /lib/libc.so.6

> If it is a bug, it does not look like I can do much about this.  Well, I
> will add a check to alloc.c for freeing a NULL pointer and do nothing in
> that case.  Does anybody know if such freeing is considered legal by ISO
> C?

According to http://www.ece.lehigh.edu/resources/MEM_ADVISE/error1.htm#5884,
it is legal (ANSI C). I have to admit that gentoo 1.4 is a somewhat "beta"
environment, having gcc-3.2 installed.


> You can also try it out manually: near line 356 of alloc.c, at the
> beginning of _gst_mem_free, add this line

>    if (!mem) return;

I'll do this when I'm at home.

Regards, Markus

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