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From: bitting-douglas@cs.yale.edu (Douglas Bitting)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Bug with THINK C 4.0 scanf()?
Message-ID: <1991May3.060142.20669@cs.yale.edu>
Date: 3 May 91 06:01:42 GMT
References: <1991Apr30.081412.8116@beaver.cs.washington.edu> <1991May1.123600.3571@waikato.ac.nz>
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In article <1991May1.123600.3571@waikato.ac.nz> johnc@waikato.ac.nz writes:
>In article <1991Apr30.081412.8116@beaver.cs.washington.edu>, chou@cs.washington.edu (Pai Chou) writes:
>> I am having a problem with THINK C's scanf for doubles.
>> For example, if I scan in a double like 0.0258, I get back 0.258
>> -- it seems that the leading zeros are ignored.
>> 
>> Is anybody else having the same problem?  Does anyone
>> know a fix?  I am using version 4.0.  Is it fixed in
>> the upgrade?  Thanks
>> 
>> Pai Chou
>> chou@june.cs.washington.edu
>
>I'm having exactly the same problem and was searching this newsgroup for the
>answer!
>
>The only way I can get sensible numbers is to put them into sci form
>e.g. 0.001 gets read as 0.1 unless you make it 1E-3 which I don't want to
>have to do.
>
>Altering the field specifier in the format string doesn't help at all
>e.g. "%8lf" for reading a double in a field of 8
>
>(I'm using THINK C v4.0 too)
>
>Somebody must know!

There is a rather nasty bug in the scanf code for THINK C v4.0.  This has been
fixed as far as I know under THINK C 4.0.2 and later.  The updater for 4.0.2 is
on sumex somewhere I think.  Hopefully, this will take care of your problems.

>John Curtis
>johnc@waikato.ac.nz

Doug

-- 
Doug Bitting             | "And we know that in all things God works
PO Box 3043 Yale Station |  for the good of those who love him..."
New Haven, CT 06520      |                       --Romans 8:28
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