From: Kai Henningsen <kai.extern-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
To: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: mtk.manpages-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org,
Daniel Gollub <dgollub-l3A5Bk7waGM@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ltp-list-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
"A.E. Brouwer" <aeb-ek1Qb6IBo2Pz+pZb47iToQ@public.gmane.org>
Subject: Re: [patch 0/3] [RFC] kernel/glibc mismatch of "readlink" syscall?
Date: Fri, 31 Oct 2008 16:02:48 +0100 [thread overview]
Message-ID: <20081031160248.2b95d0e8@desktop.khms.westfalen.de> (raw)
In-Reply-To: <cfd18e0f0810241553x77194611o11655a89871dc210-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Am Fri, 24 Oct 2008 17:53:25 -0500
schrieb "Michael Kerrisk" <mtk.manpages-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>:
> Hi Daniel,
>
> On Thu, Oct 23, 2008 at 9:50 AM, Daniel Gollub <dgollub-l3A5Bk7waGM@public.gmane.org>
> wrote:
> > EINVAL bufsiz is not positive.
> The EINVAL error was added to man-pages-1.18 in 1997 (even though, as
> you note, the type was "size_t"). I suspect (this was well before I
> had any association with man-pages) that was done to reflect kernel
> reality (since one could bypass glibc invoke the syscall directly),
> but obviously it is inconsistent with the prototype.
Actually, it's not inconsistent as described, though perhaps that is
unintentional. "Not positive" isn't the same as "negative", as zero
isn't positive either, and zero is certainly a possible value of an
unsigned type
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next prev parent reply other threads:[~2008-10-31 15:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-23 14:50 [patch 0/3] [RFC] kernel/glibc mismatch of "readlink" syscall? Daniel Gollub
2008-10-23 14:50 ` [patch 1/3] [RFC] Change sys_readlink/sys_readlinkat buffer size parameter to size_t (POSIX mismatch) Daniel Gollub
2008-10-23 14:50 ` [patch 2/3] [man-pages] Remove "bufsize is not positive" from readlink(2) error section Daniel Gollub
2008-10-23 14:50 ` [patch 3/3] [ltp] Remove testcase for "Buffer size is not positive" in kernel/syscalls/readlink/readlink03 Daniel Gollub
[not found] ` <20081023145054.998439866-MHjlv9skyARbpigZmTR7Iw@public.gmane.org>
2008-10-24 22:53 ` [patch 0/3] [RFC] kernel/glibc mismatch of "readlink" syscall? Michael Kerrisk
[not found] ` <cfd18e0f0810241553x77194611o11655a89871dc210-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-10-28 9:11 ` Andries E. Brouwer
2008-10-31 15:02 ` Kai Henningsen [this message]
[not found] ` <20081031160248.2b95d0e8-r49W/1Cwd2f9tVrXfjCyDJqJBGhVce5bs0AfqQuZ5sE@public.gmane.org>
2008-10-31 15:37 ` Daniel Gollub
[not found] ` <200810311637.25371.dgollub-l3A5Bk7waGM@public.gmane.org>
2008-11-04 16:20 ` Michael Kerrisk
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