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Date: Fri, 18 Sep 1998 11:20:06 -0700 (PDT)
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To: freebsd-bugs@FreeBSD.ORG
From: Niall Smart <nialls@euristix.ie>
Subject: Re: bin/7970: Bug in *scanf: %n is sometimes ignored.
Reply-To: Niall Smart <nialls@euristix.ie>
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The following reply was made to PR bin/7970; it has been noted by GNATS.

From: Niall Smart <nialls@euristix.ie>
To: "Jin Guojun (ITG staff)" <jin@george.lbl.gov>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: bin/7970: Bug in *scanf: %n is sometimes ignored.
Date: Fri, 18 Sep 1998 14:23:37 +0100

 > > The following code demonstrates the bug:
 > >
 > >         sscanf("24\n", "%li %n", &i, &n);
 > >
 > >         printf("%d %d\n", i, n);
 > >
 > >         return 0;
 > > }
 > >
 > > The output should be "4 2", but it is "4 12345678"; n is not
 > > ...
 
 > The output should be "24 3", you have 3 bytes in the stream and the first
 > "%li" is 24. If you got "4 2", then it is completely wrong somewhere.
 
 Whoops, a miscreant "2" slipped in there somehow, the format string should
 be "4\n".
 
 Niall

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