glibc/misc/preadv.c

36 lines
1.3 KiB
C

/* Copyright (C) 2009-2020 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <unistd.h>
#include <sys/uio.h>
/* Read data from file descriptor FD at the given position OFFSET
without change the file pointer, and put the result in the buffers
described by VECTOR, which is a vector of COUNT 'struct iovec's.
The buffers are filled in the order specified. Operates just like
'pread' (see <unistd.h>) except that data are put in VECTOR instead
of a contiguous buffer. */
ssize_t
preadv (int fd, const struct iovec *vector, int count, off_t offset)
{
__set_errno (ENOSYS);
return -1;
}
stub_warning (preadv)