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Date: Fri, 18 Sep 1998 11:20:03 -0700 (PDT)
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To: freebsd-bugs@FreeBSD.ORG
From: Jin Guojun (ITG staff) <jin@george.lbl.gov>
Subject: Re: bin/7970: Bug in *scanf: %n is sometimes ignored.
Reply-To: Jin Guojun (ITG staff) <jin@george.lbl.gov>
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The following reply was made to PR bin/7970; it has been noted by GNATS.

From: Jin Guojun (ITG staff) <jin@george.lbl.gov>
To: freebsd-gnats-submit@FreeBSD.ORG, nialls@euristix.ie
Cc:  Subject: Re: bin/7970: Bug in *scanf: %n is sometimes ignored.
Date: Fri, 18 Sep 1998 07:07:22 -0700 (PDT)

 > The following code demonstrates the bug:
 > 
 > #include <stdio.h>
 > 
 > int
 > main()
 > {
 >         int     i;
 >         int     n = 12345678;
 > 
 >         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.
 
 	-Jin
 

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