POSIXfy readlink() call
jhb at freebsd.org
Mon May 11 18:46:21 UTC 2009
On Monday 11 May 2009 2:33:09 pm Kostik Belousov wrote:
> On Mon, May 11, 2009 at 02:05:07PM -0400, John Baldwin wrote:
> > On Friday 28 September 2007 10:39:56 pm Ighighi wrote:
Yes, I had this stuck in the back of my head from when it first appeared.
> > > The POXIX prototype for readlink(2) is:
> > > ssize_t readlink(const char *restrict path, char *restrict buf, size_t
> > > bufsize);
> > It can't simply be corrected as it would change the ABI and thus requires
> > new system call, etc. However, do you really expect a symlink to be
> > than 2^31 on a 64-bit machine?
> Yes, I agree that this is ABI change.
> r176215 | ru | 2008-02-12 22:09:04 +0200 (Tue, 12 Feb 2008) | 5 lines
> Change readlink(2)'s return type and type of the last argument
> to match POSIX.
> Prodded by: Alexey Lyashkov
> I tried to convince ru@ that ABI breakage is not good, but has not
Ugh, is this only in HEAD? If so, I will back it out for 8.0. If this made
it into a release then this is a far bigger mess. Oh, good, this is only in
8. I will fix this ASAP. I can just add the new syscall I guess.
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