At 09:32 AM 2/10/2004, Jeff Garland wrote:
On Mon, 09 Feb 2004 21:18:08 -0500, Beman Dawes wrote
At 01:35 AM 2/9/2004, Jonathan Ultis wrote:
::exists is implemented using ::stat. The ::stat routine returns an error on file sizes larger than 2 gigs in libc-2.3.2, and several others. So, very large files never exists (). Using ::access seems to >fix the problem.
Good grief! Are you saying that ::stat() cannot be used at all because it fails for all uses when file sizes are larger than 2 gigs? ... That would be a disaster. ...
I don't mean to doubt your report, but it seems hard to believe that such a commonly used function could fail for large files. Is there more to the story?
Why? As I recall the history here, it has only been fairly recent that many operating systems would support files larger than 2 gig. AFAIK Microsoft's FAT filesystems are all limited to 2 gig file size limits. So it might be the case that the majority of filesystems currently in use still have this limit....
The problem reported was only for libc with POSIX files greater than 2 gigs. So it isn't a concern for operating systems which don't support large file sizes or for non-POSIX operating systems. --Beman