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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: writing a c program to substitute text
Date: Mon, 27 Feb 2017 11:40:02 -0800
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scott@slp53.sl.home (Scott Lurndal) writes:
> BartC <bc@freeuk.com> writes:
>>On 27/02/2017 17:12, Scott Lurndal wrote:
>>> BartC <bc@freeuk.com> writes:
[...]
>>>> Here's pretty much the same thing but without a VLA, nor the weird thing
>>>> with putting an snprintf call inside the array bounds.
>>>
>>> That weird thing ensures that 'name1' is allocated enough
>>> memory to hold the entire string.
>>
>>But requiring two passes.
>
> The nature of strings, in C, where there is no associated
> length kept (contrast with counted ASCII or VAX-11 descriptors).

Even with counted strings, you still have to allocate memory to hold the
characters.

-- 
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"