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Subject: Re: snprintf return value
Newsgroups: comp.arch.embedded
References: <pulekl$n55$1@dont-email.me> <g78c9gFctonU1@mid.dfncis.de>
From: Clifford Heath <no.spam@please.net>
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Xref: csiph.com comp.arch.embedded:28436

On 11/12/18 10:47 am, Hans-Bernhard Bröker wrote:
> Or much simpler as
> 
>     snprintf(buf, BUFLEN,
>        ...
>        ...
>        ...
>        ...
>     );

One would assume there's some logic between appending bits of string.

>     buf[BUFLEN - 1] = '\0';  // just in case we hit bottom

Now who needs to read the documentation? snprintf guarantees always to 
null-terminate.

Clifford Heath.