Peter Olson <pe...@peabo.com> writes:
5>> On January 22, 2016 at 4:34 PM Rainer Weikusat 
<rainerweiku...@virginmedia.com> wrote:

[...]

>>     p = buf = alloca(total);

[...]

>   the failure mode of alloca is SIGSEGV or some other malfunction and
> there is no way to test for it

It's supposed to allocate memory in the current stack frame which will
work unless the stack has already grown to the limit.
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