1/* 2 * Copyright (c) 2000, 2001 Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * FreeBSD: src/sys/sys/mchain.h,v 1.1 2001/02/24 15:44:30 bp Exp 33 */ 34#ifndef _NETSMB_MCHAIN_H_ 35#define _NETSMB_MCHAIN_H_ 36 37#ifndef _KERNEL 38#error not supposed to be exposed to userland. 39#endif /* !_KERNEL */ 40 41#ifdef _KERNEL 42 43#include <machine/endian.h> 44 45/* 46 * Type of copy for mb_{put|get}_mem() 47 */ 48#define MB_MSYSTEM 0 /* use bcopy() */ 49#define MB_MUSER 1 /* use copyin()/copyout() */ 50#define MB_MINLINE 2 /* use an inline copy loop */ 51#define MB_MZERO 3 /* memset(), 0, mb_put_mem only */ 52#define MB_MCUSTOM 4 /* use an user defined function */ 53 54struct mbuf; 55struct mbchain; 56 57typedef int mb_copy_t(struct mbchain *, const char *, char *, size_t); 58 59struct mbchain { 60 struct mbuf * mb_top; /* head of mbufs chain */ 61 struct mbuf * mb_cur; /* current mbuf */ 62 size_t mb_mleft; /* free space in the current mbuf */ 63 size_t mb_count; /* total number of bytes */ 64 mb_copy_t * mb_copy; /* user defined copy function */ 65 void * mb_udata; /* user data */ 66}; 67 68struct mdchain { 69 struct mbuf * md_top; /* head of mbufs chain */ 70 struct mbuf * md_cur; /* current mbuf */ 71 u_char * md_pos; /* offset in the current mbuf */ 72}; 73 74int m_fixhdr(struct mbuf *m); 75 76int mb_init(struct mbchain *mbp); 77void mb_initm(struct mbchain *mbp, struct mbuf *m); 78void mb_done(struct mbchain *mbp); 79struct mbuf *mb_detach(struct mbchain *mbp); 80int mb_fixhdr(struct mbchain *mbp); 81void *mb_reserve(struct mbchain *mbp, size_t size); 82 83int mb_put_uint8(struct mbchain *mbp, u_int8_t x); 84int mb_put_uint16be(struct mbchain *mbp, u_int16_t x); 85int mb_put_uint16le(struct mbchain *mbp, u_int16_t x); 86int mb_put_uint32be(struct mbchain *mbp, u_int32_t x); 87int mb_put_uint32le(struct mbchain *mbp, u_int32_t x); 88int mb_put_int64be(struct mbchain *mbp, int64_t x); 89int mb_put_int64le(struct mbchain *mbp, int64_t x); 90int mb_put_mem(struct mbchain *mbp, const char * source, size_t size, int type); 91int mb_put_mbuf(struct mbchain *mbp, struct mbuf *m); 92int mb_put_uio(struct mbchain *mbp, struct uio *uiop, size_t size); 93 94int md_init(struct mdchain *mdp); 95void md_initm(struct mdchain *mbp, struct mbuf *m); 96void md_done(struct mdchain *mdp); 97void md_append_record(struct mdchain *mdp, struct mbuf *top); 98int md_next_record(struct mdchain *mdp); 99int md_get_uint8(struct mdchain *mdp, u_int8_t *x); 100int md_get_uint16(struct mdchain *mdp, u_int16_t *x); 101int md_get_uint16le(struct mdchain *mdp, u_int16_t *x); 102int md_get_uint16be(struct mdchain *mdp, u_int16_t *x); 103int md_get_uint32(struct mdchain *mdp, u_int32_t *x); 104int md_get_uint32be(struct mdchain *mdp, u_int32_t *x); 105int md_get_uint32le(struct mdchain *mdp, u_int32_t *x); 106int md_get_int64(struct mdchain *mdp, int64_t *x); 107int md_get_int64be(struct mdchain *mdp, int64_t *x); 108int md_get_int64le(struct mdchain *mdp, int64_t *x); 109int md_get_mem(struct mdchain *mdp, void *target, size_t size, int type); 110int md_get_mbuf(struct mdchain *mdp, int size, struct mbuf **m); 111int md_get_uio(struct mdchain *mdp, struct uio *uiop, size_t size); 112 113#endif /* ifdef _KERNEL */ 114 115#endif /* !_NETSMB_MCHAIN_H_ */ 116