1f9c005a1SMarcelo Araujo /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3f9c005a1SMarcelo Araujo * 4f9c005a1SMarcelo Araujo * Copyright (c) 2016 Jakub Klama <jceel@FreeBSD.org>. 599fa47deSAlexander Motin * Copyright (c) 2018 Alexander Motin <mav@FreeBSD.org> 6f9c005a1SMarcelo Araujo * All rights reserved. 7f9c005a1SMarcelo Araujo * 8f9c005a1SMarcelo Araujo * Redistribution and use in source and binary forms, with or without 9f9c005a1SMarcelo Araujo * modification, are permitted provided that the following conditions 10f9c005a1SMarcelo Araujo * are met: 11f9c005a1SMarcelo Araujo * 1. Redistributions of source code must retain the above copyright 12f9c005a1SMarcelo Araujo * notice, this list of conditions and the following disclaimer 13f9c005a1SMarcelo Araujo * in this position and unchanged. 14f9c005a1SMarcelo Araujo * 2. Redistributions in binary form must reproduce the above copyright 15f9c005a1SMarcelo Araujo * notice, this list of conditions and the following disclaimer in the 16f9c005a1SMarcelo Araujo * documentation and/or other materials provided with the distribution. 17f9c005a1SMarcelo Araujo * 18f9c005a1SMarcelo Araujo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19f9c005a1SMarcelo Araujo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20f9c005a1SMarcelo Araujo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21f9c005a1SMarcelo Araujo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22f9c005a1SMarcelo Araujo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23f9c005a1SMarcelo Araujo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24f9c005a1SMarcelo Araujo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25f9c005a1SMarcelo Araujo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26f9c005a1SMarcelo Araujo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27f9c005a1SMarcelo Araujo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28f9c005a1SMarcelo Araujo * SUCH DAMAGE. 29f9c005a1SMarcelo Araujo */ 30f9c005a1SMarcelo Araujo 31f9c005a1SMarcelo Araujo #ifndef _IOV_H_ 32f9c005a1SMarcelo Araujo #define _IOV_H_ 33f9c005a1SMarcelo Araujo 3499fa47deSAlexander Motin void seek_iov(const struct iovec *iov1, int niov1, struct iovec *iov2, 3599fa47deSAlexander Motin int *niov2, size_t seek); 3699fa47deSAlexander Motin void truncate_iov(struct iovec *iov, int *niov, size_t length); 3799fa47deSAlexander Motin size_t count_iov(const struct iovec *iov, int niov); 3899fa47deSAlexander Motin ssize_t iov_to_buf(const struct iovec *iov, int niov, void **buf); 39f92bb8c1SVincenzo Maffione ssize_t buf_to_iov(const void *buf, size_t buflen, const struct iovec *iov, 40f92bb8c1SVincenzo Maffione int niov, size_t seek); 41f9c005a1SMarcelo Araujo 42f9c005a1SMarcelo Araujo #endif /* _IOV_H_ */ 43