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Message-ID: <CAL3m8eAp71GzVg_1Y8ypHkzyC1EQB=rqi2nD1VBYja0T2Xt+Wg@mail.gmail.com>
Date: Mon, 9 Feb 2015 13:05:07 -0500
From: M Farkas-Dyck <strake888@...il.com>
To: musl@...ts.openwall.com
Subject: Re: Re: [PATCH] linedit, deluser: use POSIX getpwent instead
of getpwent_r
On 07/02/2015, Rich Felker <dalias@...c.org> wrote:
> On Sat, Feb 07, 2015 at 03:14:10PM +0100, Denys Vlasenko wrote:
>> On Sat, Feb 7, 2015 at 2:32 AM, Rich Felker <dalias@...c.org> wrote:
>> >> > the _r functions are for thread-safe
>> >> > versions of their corresponding legacy functions, but getpwent_r has
>> >> > inherent global state -- the iterator. Whoever made it just wasn't
>> >> > thinking. To make a correct interface like this the caller would
>> >> > need
>> >> > to have an iterator object to pass to the function, but I can't see
>> >> > much merit in inventing a new interface for this.
buf may contain arbitrary data, yes? If so we could store the iterator there.
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