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From: Rui Maciel <rui.mac...@gmail.com>
Reply-To: rui.mac...@gmail.com
Date: Sat, 24 Sep 2011 13:37:03 +0100
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Subject: Re: Testing if a pointer is valid
Newsgroups: comp.lang.c
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Keith Thompson wrote:

> Rui Maciel <rui.mac...@gmail.com> writes:
> [...]
>> If type safety and memory safety is only considered to be at risk due to
>> a programmer's inability to write valid code which goes against the
>> language definition then the point is still the same: a programming
>> language cannot be deemed safe or unsafe due to mistakes made by
>> incompetent programmers.
> 
> What about mistakes made by *competent* programmers?

I don't believe that a competent programmer believes it is reasonable to try 
to access a local object beyond its lifetime, something which at least some 
compilers warn about.  As this was the example which was presented to 
demonstrate that the C programming language is unsafe then, at least in this 
case, this misconception can be put to rest.


Rui Maciel