Re: memccpy() gives inconsistent results on mmapped files

Christoph Hellwig
2004-12-03T10:27:51Z

On Fri, Dec 03, 2004 at 02:30:14PM +1100, Keith Owens wrote:
> Glenn Fowler of ATT reported that memccpy() gives inconsistent results
> on mmapped files. This was reported to SGI, but the bug is ia64
> generic, I get the same errors on a vanilla ia64 box.
>
> Glenn's test case follows, it has been tweaked to add a PREFAULT
> option. Prefaulting the input file makes memccpy work. The problem
> occurs on both glibc 2.2.4 and glibc 2.3.3.

Didn't Jes fix that long ago in SGIs glibc?