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Re: pread()
From: |
Roland McGrath |
Subject: |
Re: pread() |
Date: |
Sat, 9 Oct 2010 12:01:27 -0700 (PDT) |
> Manuel Menal, le Sat 09 Oct 2010 20:40:26 +0200, a écrit :
> > There should be a way to check if the object is seekable or not before
> > calling io_read(), so pread() can return an error. But there is no
> > io_seekable() RPC, and calling io_seek() seems wrong to me, since
> > pread() is supposed not to change the file offset.
>
> Can't io_seek be called with SEEK_CUR, 0, thus not changing the file
> offset?
Yes, it can. But pread making two RPCs rather than one would defeat half
the purpose of its existence.
Thanks,
Roland
- pread(), Manuel Menal, 2010/10/09
- Re: pread(), Samuel Thibault, 2010/10/09
- Re: pread(),
Roland McGrath <=
- Re: pread(), Roland McGrath, 2010/10/09