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/* Write block to given position in file without changing file pointer.
Hurd version.
Copyright (C) 2001-2017 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 <hurd/fd.h>
ssize_t
__libc_pwrite64 (int fd, const void *buf, size_t nbytes, off64_t offset)
{
error_t err;
if (offset < 0)
err = EINVAL;
else
err = HURD_FD_USE (fd, _hurd_fd_write (descriptor, buf, &nbytes, offset));
return err ? __hurd_dfail (fd, err) : nbytes;
}
#ifndef __libc_pwrite64
weak_alias (__libc_pwrite64, __pwrite64)
libc_hidden_weak (__pwrite64)
weak_alias (__libc_pwrite64, pwrite64)
#endif
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