[PATCH] lib/util: Add optional format argument to timeval_str_buf()

[Martin Schwenke]

On Fri, 10 Oct 2014 21:19:16 +1100, Martin Schwenke <martin at meltin.net>
wrote:

> On Fri, 10 Oct 2014 12:14:14 +0200, Volker Lendecke
> <Volker.Lendecke at SerNet.DE> wrote:

> > Technically it's missing a bounds check for dst->buf + len
> > in the last snprintf. Probably that belongs into that
> > if(rfc3339){ clause. This will never kick in, but it
> > looks fishy and I'd like to have it the same as the
> > if-statement before
> 
> OK, will do that.  Thanks...
> 
> I should actually make sure there's enough space, right?  That is:
> 
>   (len < sizeof(dst->buf))
> 
> just says there's enough room for the NUL byte, but not necessarily for
> what will be written.

OK, after some sleep I see that the above is better.  :-)  It will let
snprintf() truncate instead of deciding to not print a whole
component - not that this will ever happen. Cool!  Done!

> I might actually change it to RFC5424.  RFC3339 is a bit weaker and I'm
> planning to use it for RFC5424, so no use leaving room for someone
> else to come along and break it by misnaming it.

Done and attached...

peace & happiness,
martin
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