NetNews Offline 2/NetNews Offline Volume 2.iso/news/comp/lang/c-part2/12239

Internet Message Format | 1996-08-05 | 1.6 KB

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From: Lawrence Kirby <[e-mail]>
Newsgroups: comp.lang.c
Subject: Re: Determining the length of an int in string form
Date: Fri, 29 Mar 96 23:15:52 GMT
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In article <[e-mail]> [e-mail] "Larry Weiss" writes:

>Lawrence Kirby wrote:
> >
> > In article <[e-mail]> [e-mail] "Larry Weiss" writes:
> > >Now what I'd really like to see in the next revision of the standard
> library
> > >would be an snprintf() with the extra argument to declare only so many
> > >writeable chars in the buffer, and a return code to indicate logical
> > >attempts to write beyond that limit.
> >
> > Indeed, a return value indicating how many characters would have been
> > written to the buffer if it were large enough.
> >
>
>That would be great!  That way you could specify zero chars available
>if you just wanted to learn how many to allocate ideally for the real event.

Or have a buffer you used for many calls to snprintf and which you could
dynamically extend when it was too small.

>Do implementations of snprintf() exist today that could be held up
>as prior-art?

I don't know of any offhand.

--
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Lawrence Kirby | [e-mail]
Wilts, England | [e-mail]
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