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From Ben Laurie <>
Subject Re: snprintf()
Date Wed, 08 Jan 1997 09:50:43 GMT
Jim Jagielski wrote:
> Dean Gaudet wrote:
> > 
> > Other than varags issues (which I think we've already made portable
> > because of other functions we've got) ... how hard would it be to make an
> > snprintf that parses the string and uses native sprintf() to do the dirty
> > work for each piece?
> > 
> > Doing things piece by piece it is pretty easy to limit how much native
> > sprint will write.
> > 
> Hmmm... I'm guessing you mean if snprintf() is given, for example,
> ("%d %s %s", val, str, nstr) we would do "subcontract" it out as
> sprintf(buf, "%d", val) - adjust buf - sprintf(buf, "%s", str) ....
> Hmmm, would be even better if, while doing that we "adjust" the
> format statements to include precision values based on the 'len'
> parameter and keep reducing that as the buf is used up. Tricky but
> do-able. If the recently posted snprintf() doesn't work, I'm all
> for trying this approach.

This is pretty much how bprintf() works already. I'd say that it should be
possible to make a lower-level version which did both bprintf and snprintf.

I may have a crack at it if people want.

Speaking of having cracks at things - what about the API change and related



Ben Laurie                Phone: +44 (181) 994 6435  Email:
Freelance Consultant and  Fax:   +44 (181) 994 6472
Technical Director        URL:
A.L. Digital Ltd,         Apache Group member (
London, England.          Apache-SSL author

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