1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_MDB_CMDBUF_H
27#define	_MDB_CMDBUF_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/types.h>
32
33#ifdef	__cplusplus
34extern "C" {
35#endif
36
37typedef struct mdb_cmdbuf {
38	char **cmd_history;	/* Circular array of history buffers */
39	char *cmd_linebuf;	/* Temporary history for current buffer */
40	char *cmd_buf;		/* Current line buffer */
41	size_t cmd_linelen;	/* Maximum line length */
42	size_t cmd_histlen;	/* Maximum history entries */
43	size_t cmd_halloc;	/* Number of allocated history entries */
44	size_t cmd_buflen;	/* Number of bytes in current line buffer */
45	size_t cmd_bufidx;	/* Byte position in current line buffer */
46	ssize_t cmd_hold;	/* Oldest history entry index */
47	ssize_t cmd_hnew;	/* Newest history entry index */
48	ssize_t cmd_hcur;	/* Current history entry index */
49	ssize_t cmd_hlen;	/* Number of valid history buffers */
50} mdb_cmdbuf_t;
51
52#ifdef _MDB
53
54extern void mdb_cmdbuf_create(mdb_cmdbuf_t *);
55extern void mdb_cmdbuf_destroy(mdb_cmdbuf_t *);
56
57extern const char *mdb_cmdbuf_accept(mdb_cmdbuf_t *);
58
59extern int mdb_cmdbuf_caninsert(mdb_cmdbuf_t *, size_t);
60extern int mdb_cmdbuf_atstart(mdb_cmdbuf_t *);
61extern int mdb_cmdbuf_atend(mdb_cmdbuf_t *);
62
63extern int mdb_cmdbuf_insert(mdb_cmdbuf_t *, int);
64extern int mdb_cmdbuf_backspace(mdb_cmdbuf_t *, int);
65extern int mdb_cmdbuf_delchar(mdb_cmdbuf_t *, int);
66extern int mdb_cmdbuf_fwdchar(mdb_cmdbuf_t *, int);
67extern int mdb_cmdbuf_backchar(mdb_cmdbuf_t *, int);
68extern int mdb_cmdbuf_transpose(mdb_cmdbuf_t *, int);
69extern int mdb_cmdbuf_home(mdb_cmdbuf_t *, int);
70extern int mdb_cmdbuf_end(mdb_cmdbuf_t *, int);
71extern int mdb_cmdbuf_fwdword(mdb_cmdbuf_t *, int);
72extern int mdb_cmdbuf_backword(mdb_cmdbuf_t *, int);
73extern int mdb_cmdbuf_killfwdword(mdb_cmdbuf_t *, int);
74extern int mdb_cmdbuf_killbackword(mdb_cmdbuf_t *, int);
75extern int mdb_cmdbuf_kill(mdb_cmdbuf_t *, int);
76extern int mdb_cmdbuf_reset(mdb_cmdbuf_t *, int);
77extern int mdb_cmdbuf_prevhist(mdb_cmdbuf_t *, int);
78extern int mdb_cmdbuf_nexthist(mdb_cmdbuf_t *, int);
79extern int mdb_cmdbuf_findhist(mdb_cmdbuf_t *, int);
80
81#endif /* _MDB */
82
83#ifdef	__cplusplus
84}
85#endif
86
87#endif	/* _MDB_CMDBUF_H */
88