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Date: | 2004-11-29 (06:18) |
From: | David Brown <caml-list@d...> |
Subject: | Re: [Caml-list] stat in Unix library |
On Sun, Nov 28, 2004 at 04:06:56PM -0800, Ian Zimmerman wrote: > The st_dev member of type Unix.stats is declared as int. But according > to the Single Unix spec, the corresponding member of the C struct has > a defined type, dev_t; and in fact recent Linux kernels define dev_t > to a 64 bit type, even on 32 bit architectures. So it looks like > the Ocaml function will lose the high order bits. st_ino as an in is a more damning problem. Linux, with XFS can easily have inode numbers that exceed a 32-bit integer (especially a 31-bit integer). Practically, on Linux, st_dev is still only using 16-bits on Linux, but people are still trying to increase that. Unix.LargeFile almost fixes everything, except for the st_dev, st_rdev, and st_ino fields still being too small. Increase those, and I would stop having to put my own bindings to lstat in my programs :-) Dave