1 /*	$OpenBSD: bytebuf.h,v 1.3 2012/05/08 13:15:11 yasuoka Exp $ */
2 /*-
3  * Copyright (c) 2009 Internet Initiative Japan Inc.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 #ifndef	BYTEBUF_H
28 #define	BYTEBUF_H 1
29 
30 /* $Id: bytebuf.h,v 1.3 2012/05/08 13:15:11 yasuoka Exp $ */
31 
32 typedef struct _bytebuffer bytebuffer;
33 
34 extern const void * BYTEBUFFER_PUT_DIRECT;
35 extern void * BYTEBUFFER_GET_DIRECT;
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 bytebuffer   *bytebuffer_create (size_t);
42 bytebuffer   *bytebuffer_wrap (void *, size_t);
43 void         *bytebuffer_unwrap (bytebuffer *);
44 int          bytebuffer_realloc (bytebuffer *, size_t);
45 void         bytebuffer_compact (bytebuffer *);
46 void         *bytebuffer_put (bytebuffer *, const void *, size_t);
47 void         *bytebuffer_get (bytebuffer *, void *, size_t);
48 int          bytebuffer_position (bytebuffer *);
49 int          bytebuffer_limit (bytebuffer *);
50 int          bytebuffer_capacity (bytebuffer *);
51 void         *bytebuffer_pointer (bytebuffer *);
52 size_t        bytebuffer_remaining (bytebuffer *);
53 int          bytebuffer_has_remaining (bytebuffer *);
54 void         bytebuffer_flip (bytebuffer *);
55 void         bytebuffer_rewind (bytebuffer *);
56 void         bytebuffer_clear (bytebuffer *);
57 void         bytebuffer_destroy (bytebuffer *);
58 void         bytebuffer_mark (bytebuffer *);
59 void         bytebuffer_reset (bytebuffer *);
60 
61 #ifdef __cplusplus
62 }
63 #endif
64 
65 #endif	/* !BYTEBUF_H */
66