Re: st_dev and st_rdev members of 'stat struct' are not of dev_t type on mips/mipsel

James Cowgill <[email protected]> Wed, 16 Sep 2015 21:56:54 +0100

Newsgroups	gmane.linux.debian.ports.mips
Message-ID	<[email protected]>

Hi,

On Wed, 2015-09-16 at 13:54 -0700, Nikolaus Rath wrote:
> Hi George,
> > Which basically means that st_rdev member of stat struct is not of
> > type dev_t on mips and mipsel, which of course deviates from man 2
> > stat, that prescribes that st_rdev member (as well as st_dev member)
> > of stat struct must be of type dev_t. I wonder what could be wrong
> > with the definition of the stat struct on mips/mipsel, it is a known
> > flaw in libc, and whether it has anything to do with the situation of
> > having 64-bit kernel and 32 bit userland, usually met on misp/mipsel.
> > Yes, the issue could be solved in the application side if one knows
> > about the problem on these particular architectures (mips/mipsel), but
> > I believe this is not the general case. 
> 
> Did you ever get a reply to this? I've encountered the same problem, and
> I'm thinking about filing a bug (though I'm not yet sure where). As far
> as I know, this breaks POSIX (which requires both st_rdev and st_dev to
> be of type dev_t).

See this thread:
https://lists.debian.org/debian-mips/2015/09/msg00067.html

and this bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=17786

James

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