network_cmds-245.8.tar.gz
[apple/network_cmds.git] / racoon.tproj / vmbuf.h
1 /* $KAME: vmbuf.h,v 1.8 2001/12/12 21:18:33 sakane Exp $ */
2
3 /*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #ifndef __VMBUF_H__
33 #define __VMBUF_H__
34
35 /*
36 * bp v
37 * v v
38 * ........................
39 * <--------------> l
40 * <----------------------> bl
41 */
42 typedef struct _vchar_t_ {
43 #if notyet
44 u_int32_t t; /* type of the value */
45 vchar_t *n; /* next vchar_t buffer */
46 size_t bl; /* length of the buffer */
47 caddr_t bp; /* pointer to the buffer */
48 #endif
49 size_t l; /* length of the value */
50 caddr_t v; /* place holder to the pointer to the value */
51 } vchar_t;
52
53 #define VPTRINIT(p) \
54 do { \
55 if (p) { \
56 vfree(p); \
57 (p) = NULL; \
58 } \
59 } while(0);
60
61 #define vfree vmbuf_free
62
63 extern vchar_t *vmalloc __P((size_t));
64 extern vchar_t *vrealloc __P((vchar_t *, size_t));
65 extern void vfree __P((vchar_t *));
66 extern vchar_t *vdup __P((vchar_t *));
67
68
69 #endif /* __VMBUF_H__ */
70