NetBSD/crypto/dist/kame/racoon/vmbuf.h

64 lines
2.3 KiB
C

/* $KAME: vmbuf.h,v 1.7 2000/10/04 17:41:05 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* bp v
* v v
* ........................
* <--------------> l
* <----------------------> bl
*/
typedef struct _vchar_t_ {
#if notyet
u_int32_t t; /* type of the value */
vchar_t *n; /* next vchar_t buffer */
size_t bl; /* length of the buffer */
caddr_t bp; /* pointer to the buffer */
#endif
size_t l; /* length of the value */
caddr_t v; /* place holder to the pointer to the value */
} vchar_t;
#define VREALLOC(ptr, size) ((ptr) = vrealloc((ptr), (size)))
#define VPTRINIT(p) \
do { \
if (p) { \
vfree(p); \
(p) = NULL; \
} \
} while(0);
extern vchar_t *vmalloc __P((size_t));
extern vchar_t *vrealloc __P((vchar_t *, size_t));
extern void vfree __P((vchar_t *));
extern vchar_t *vdup __P((vchar_t *));