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Date: Wed, 20 Mar 2013 15:02:50 -0400
From: Rich Felker <dalias@...ifal.cx>
To: musl@...ts.openwall.com
Subject: Re: Weird bug in syslog
On Wed, Mar 20, 2013 at 01:41:26PM +0100, Szabolcs Nagy wrote:
> > l2 = vsnprintf(buf+l, sizeof buf - l, message, ap);
> > if (l2 >= 0) {
> > l += l2;
>
> these are int values
> maybe we should care about overflow
> (eg making l size_t works)
Not needed. snprintf returns int. But it *can* fail: EOVERFLOW.
Rich
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