1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* iov.c - helpers for using (partial) iovecs.
*
* Copyrigh Red Hat
* Author: Laurent Vivier <lvivier@redhat.com>
*
* This file also contains code originally from QEMU include/qemu/iov.h:
*
* Author(s):
* Amit Shah <amit.shah@redhat.com>
* Michael Tokarev <mjt@tls.msk.ru>
*/
#ifndef IOVEC_H
#define IOVEC_H
#include <unistd.h>
#include <string.h>
size_t iov_from_buf(const struct iovec *iov, size_t iov_cnt,
size_t offset, const void *buf, size_t bytes);
size_t iov_to_buf(const struct iovec *iov, size_t iov_cnt,
size_t offset, void *buf, size_t bytes);
size_t iov_size(const struct iovec *iov, size_t iov_cnt);
unsigned iov_copy(struct iovec *dst_iov, size_t dst_iov_cnt,
const struct iovec *iov, size_t iov_cnt,
size_t offset, size_t bytes);
#endif /* IOVEC_H */
|
