From: Clint Adams <schizo@debian.org>
To: Bart Schaefer <schaefer@candle.brasslantern.com>
Cc: zsh-workers@sunsite.auc.dk
Subject: Re: Bad configure test for getpwent() ?
Date: Wed, 3 Nov 1999 13:39:04 -0500 [thread overview]
Message-ID: <19991103133904.A6549@dman.com> (raw)
In-Reply-To: <991103103452.ZM19665@candle.brasslantern.com>; from schaefer@candle.brasslantern.com on Wed, Nov 03, 1999 at 10:34:52AM +0000
> pw1=getpwnam(buf);
> sprintf(buf, "%d:%d", rand(), getpid());
> pw2=getpwnam(buf);
> exit(pw1!=0 && pw2!=0 && !strcmp(pw1->pw_name, pw2->pw_name));
It's not comparing the pointers; it's comparing the names.
> I don't think getpwent() is required to return a unique pointer each time;
> that is, I think it's allowed to re-use an internal static buffer for each
> entry that it returns. That would mean that this test always succeeds ...
next prev parent reply other threads:[~1999-11-03 18:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-11-03 10:34 Bart Schaefer
1999-11-03 18:39 ` Clint Adams [this message]
1999-11-03 19:58 ` Geoff Wing
1999-11-03 20:04 ` Clint Adams
1999-11-03 20:14 ` Bart Schaefer
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