Boost logo

Boost :

From: Beman Dawes (bdawes_at_[hidden])
Date: 2004-02-10 11:44:23

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.


Boost list run by bdawes at, gregod at, cpdaniel at, john at