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Date: Tue, 13 Mar 2012 12:24:27 -0400
From: Rich Felker <dalias@...ifal.cx>
To: musl@...ts.openwall.com
Subject: Re: scanf %x bug
On Tue, Mar 13, 2012 at 02:51:18PM +0100, Szabolcs Nagy wrote:
> i found a scanf bug:
>
> #include <stdio.h>
> int main(){
> int n, a=7;
> n = sscanf("0", "%x", &a);
> printf("%d %d\n", n, a);
> return 0;
> }
>
> prints 0 7
> instead of 1 0
Please tell me what you think of this patch. Note that m is the
"match" flag (m!=0 means "the sequence scanned so far is valid").
I wanted to just switch to the new __intparse code, but I feel like
it's appropriate to fix this bug first with a less invasive patch.
Rich
View attachment "scanf_fix.diff" of type "text/plain" (1052 bytes)
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