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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: Dinamic array without malloc - Can be done?
Date: Sun, 15 Jan 2017 12:43:30 -0800
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BartC <bc@freeuk.com> writes:
> On 15/01/2017 18:42, Fernando D. Bozzo wrote:
[...]
>>     myArray[0] = 'A';
>>     myArray[1] = '\0';
>
> This assumes that len is at least two. And below, that it is a least 4. 
> But len can be 0 or 1.

C does not permit array of length 0, though some compilers may support
them as an extension.  For a non-VLA, defining a 0-length array is a
constraint violation; for a VLA, it's undefined behavior (which a
compiler might warn about if it has enough information).

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"