Linux-kernel mailing list archive 1999-37,: Re: [OT] util-linux-2.9x released

# Re: [OT] util-linux-2.9x released

Guest section DW (dwguest@win.tue.nl)
Tue, 14 Sep 1999 00:54:00 +0200 (MET DST)

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- Maybe in reply to: Andries.Brouwer@cwi.nl: "[OT] util-linux-2.9x released"

> On building this with 2.3.18 on i586, I got a number of warnings that
> dev_t was redefined.

Hmm. For me it builds entirely cleanly with 2.3.18 on i586.
I suppose you use a more recent version of glibc.

> Should I be worried or are they benign?

You should be worried.
If gcc redefines dev_t, then no doubt it invents a different size,
and structs will have the wrong size, and struct access will fail.
Typically, this is a problem with losetup.
See all the comments in <linux/loop.h>.

Normally, the C library converts from kernel to user data representation.
But this happens only on system calls, not for ioctls.

This problem has come up before, and I thought I had solved it,
but maybe changes in kernel and/or glibc now cause it to appear again.
Please send glibc version and error messages to aeb@cwi.nl.

Andries

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- Next message: Richard Gooch: "Re: MTRR modification."
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- Maybe in reply to: Andries.Brouwer@cwi.nl: "[OT] util-linux-2.9x released"