glibc/sysdeps/posix/pwritev2.c
Joseph Myers 04277e02d7 Update copyright dates with scripts/update-copyrights.
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
2019-01-01 00:11:28 +00:00

43 lines
1.3 KiB
C

/* Generic version of pwritev2.
Copyright (C) 2017-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <unistd.h>
#include <sys/uio.h>
#ifndef __OFF_T_MATCHES_OFF64_T
/* Since we define no flags for pwritev2 just route to pwritev. */
ssize_t
pwritev2 (int fd, const struct iovec *vector, int count, off_t offset,
int flags)
{
if (flags != 0)
{
__set_errno (ENOTSUP);
return -1;
}
if (offset == -1)
return __writev (fd, vector, count);
else
return pwritev (fd, vector, count, offset);
}
#endif