Date: Thu, 7 Aug 2014 12:09:31 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: fscanf question On Thu, Aug 07, 2014 at 05:55:56PM +0800, 林冠儒 wrote: > I use libc-testsuite and test for fscanf function. > I found that the result is different from glibc. > In this case: > i = x = y = -1; > i = fscanf( "tmp.txt", "%5i%2i" , &x, &y) > printf(" i = %d, x = %d, y = %d" , i , x , y); > > tmp.txt content >> "0x12 0x34" > > In glibc, it will print >> "i = 2 , x = 18, y = 0" > In musl-libc will print >> "i = 1 , x = 18 , y = -1" > > In this case, y's value should be "0x" > I wonder that "0x" is equal to "0" and should be counted as matched string > or not? > > It would be very helpful if you email me back and tell me what's the problem > Sorry with my poor english! This is related to glibc bug #12701: https://sourceware.org/bugzilla/show_bug.cgi?id=12701 glibc is wrong here. Rich
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