Re: snprintf return value

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>
Message-ID	<QjFPD.494212$9O2.164489@fx03.iad> (permalink)
Date	2018-12-11 13:31 +1100

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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.

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snprintf return value pozz <pozzugno@gmail.com> - 2018-12-10 11:20 +0100
  Re: snprintf return value Reinhardt Behm <rbehm@hushmail.com> - 2018-12-10 18:24 +0800
    Re: snprintf return value pozz <pozzugno@gmail.com> - 2018-12-10 11:32 +0100
      Re: snprintf return value Philipp Klaus Krause <pkk@spth.de> - 2019-01-01 12:59 +0100
  Re: snprintf return value David Brown <david.brown@hesbynett.no> - 2018-12-10 13:15 +0100
  Re: snprintf return value Clifford Heath <no.spam@please.net> - 2018-12-11 08:49 +1100
    Re: snprintf return value Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-12-11 11:41 -0500
      Re: snprintf return value Clifford Heath <no.spam@please.net> - 2018-12-12 10:34 +1100
        Re: snprintf return value David Brown <david.brown@hesbynett.no> - 2018-12-12 09:09 +0100
          Re: snprintf return value Clifford Heath <no.spam@please.net> - 2018-12-12 21:38 +1100
        Re: snprintf return value Les Cargill <lcargill99@comcast.com> - 2018-12-30 11:23 -0600
  Re: snprintf return value Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2018-12-11 00:47 +0100
    Re: snprintf return value Clifford Heath <no.spam@please.net> - 2018-12-11 13:31 +1100

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