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From: Tim Rentsch
Newsgroups: comp.lang.c
Subject: Re: filling area by color atack safety
Date: Sat, 23 Mar 2024 11:48:16 -0700
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scott@slp53.sl.home (Scott Lurndal) writes:
>> Malcolm McLean writes:
>>
>>> The convetional wisdom is the opposite, But here, conventional wisdom
>>> fails. Because heaps are unlimited while stacks are not.
>
> That's not actually true. The size of both are bounded, yes.
>
> It's certainly possible (in POSIX, anyway) for the stack bounds
> to be unlimited (given sufficient real memory and/or backing
> store) and the heap size to be bounded. See 'setrlimit'.
The sizes of both heaps and stacks are bounded, because
pointers have a fixed number of bits. Certainly these
sizes can be very very large, but they are not unbounded.