[Bug libstdc++/83279] std::experimental::filesystem::copy_file can't copy larger files than 2.0GiB

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83279

--- Comment #21 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Jan  5 22:22:12 2018
New Revision: 256290

URL: https://gcc.gnu.org/viewcvs?rev=256290&root=gcc&view=rev
Log:
PR libstdc++/83279 handle sendfile not copying entire file

Backport from mainline
2017-12-14  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/83279
        * src/filesystem/std-ops.cc (do_copy_file): Handle sendfile not
        copying entire file.

Modified:
    branches/gcc-7-branch/libstdc++-v3/ChangeLog
    branches/gcc-7-branch/libstdc++-v3/src/filesystem/ops.cc