Xref: utzoo comp.lang.c:17121 comp.unix.wizards:15166
Path: utzoo!attcan!uunet!lll-winken!ncis.llnl.gov!helios.ee.lbl.gov!pasteur!ucbvax!tut.cis.ohio-state.edu!osu-cis!att!chinet!les
From: les@chinet.chi.il.us (Leslie Mikesell)
Newsgroups: comp.lang.c,comp.unix.wizards
Subject: Re: How to predict size of outcome of vsprintf?
Message-ID: <7992@chinet.chi.il.us>
Date: 22 Mar 89 23:26:58 GMT
References: <993@etnibsd.UUCP> <9872@smoke.BRL.MIL> <28831@bu-cs.BU.EDU> <1618@thor.acc.stolaf.edu> <9979@bloom-beacon.MIT.EDU> <28874@bu-cs.BU.EDU>
Reply-To: les@chinet.chi.il.us (Leslie Mikesell)
Followup-To: comp.lang.c
Organization: Chinet - Public Access Unix
Lines: 15

In article <28874@bu-cs.BU.EDU> bzs@bu-cs.BU.EDU (Barry Shein) writes:

>Ok, there are two thoughts here:

>	1. How to find out the number of characters a printf
>	operation will generate.
>	2. How to limit a printf operation to a buffer size.

Or a third, which is what I usually want:

 3. Give me a pointer to a buffer with my formatted string in it.
    This is trivial after doing operation (1) but shouldn't it
    be possible to do it in one operation?

Les Mikesell