[Bug libstdc++/83279] std::experimental::filesystem::copy_file can't copy larger files than 2.0GiB
ubizjak at gmail dot com
gcc-bugzilla@gcc.gnu.org
Sun Dec 17 22:19:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83279
--- Comment #18 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jonathan Wakely from comment #10)
> Author: redi
> Date: Thu Dec 14 21:49:03 2017
> New Revision: 255666
#ifdef _GLIBCXX_USE_SENDFILE
- off_t offset = 0;
- const auto n = ::sendfile(out.fd, in.fd, &offset, from_st->st_size);
- if (n < 0 && (errno == ENOSYS || errno == EINVAL))
+ n = ::sendfile(out.fd, in.fd, nullptr, count);
This change will trigger PR 70975. Older (?) Solaris 12 targets require
non-null pointer for the offset argument.
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