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 #include <sys/types.h>
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 typedef struct mdb_cmdbuf {
36 	char **cmd_history;	/* Circular array of history buffers */
37 	char *cmd_linebuf;	/* Temporary history for current buffer */
38 	char *cmd_buf;		/* Current line buffer */
39 	size_t cmd_linelen;	/* Maximum line length */
40 	size_t cmd_histlen;	/* Maximum history entries */
41 	size_t cmd_halloc;	/* Number of allocated history entries */
42 	size_t cmd_buflen;	/* Number of bytes in current line buffer */
43 	size_t cmd_bufidx;	/* Byte position in current line buffer */
44 	ssize_t cmd_hold;	/* Oldest history entry index */
45 	ssize_t cmd_hnew;	/* Newest history entry index */
46 	ssize_t cmd_hcur;	/* Current history entry index */
47 	ssize_t cmd_hlen;	/* Number of valid history buffers */
48 } mdb_cmdbuf_t;
49 
50 #ifdef _MDB
51 
52 extern void mdb_cmdbuf_create(mdb_cmdbuf_t *);
53 extern void mdb_cmdbuf_destroy(mdb_cmdbuf_t *);
54 
55 extern const char *mdb_cmdbuf_accept(mdb_cmdbuf_t *);
56 
57 extern int mdb_cmdbuf_caninsert(mdb_cmdbuf_t *, size_t);
58 extern int mdb_cmdbuf_atstart(mdb_cmdbuf_t *);
59 extern int mdb_cmdbuf_atend(mdb_cmdbuf_t *);
60 
61 extern int mdb_cmdbuf_insert(mdb_cmdbuf_t *, int);
62 extern int mdb_cmdbuf_backspace(mdb_cmdbuf_t *, int);
63 extern int mdb_cmdbuf_delchar(mdb_cmdbuf_t *, int);
64 extern int mdb_cmdbuf_fwdchar(mdb_cmdbuf_t *, int);
65 extern int mdb_cmdbuf_backchar(mdb_cmdbuf_t *, int);
66 extern int mdb_cmdbuf_transpose(mdb_cmdbuf_t *, int);
67 extern int mdb_cmdbuf_home(mdb_cmdbuf_t *, int);
68 extern int mdb_cmdbuf_end(mdb_cmdbuf_t *, int);
69 extern int mdb_cmdbuf_fwdword(mdb_cmdbuf_t *, int);
70 extern int mdb_cmdbuf_backword(mdb_cmdbuf_t *, int);
71 extern int mdb_cmdbuf_killfwdword(mdb_cmdbuf_t *, int);
72 extern int mdb_cmdbuf_killbackword(mdb_cmdbuf_t *, int);
73 extern int mdb_cmdbuf_kill(mdb_cmdbuf_t *, int);
74 extern int mdb_cmdbuf_reset(mdb_cmdbuf_t *, int);
75 extern int mdb_cmdbuf_prevhist(mdb_cmdbuf_t *, int);
76 extern int mdb_cmdbuf_nexthist(mdb_cmdbuf_t *, int);
77 extern int mdb_cmdbuf_findhist(mdb_cmdbuf_t *, int);
78 
79 #endif /* _MDB */
80 
81 #ifdef	__cplusplus
82 }
83 #endif
84 
85 #endif	/* _MDB_CMDBUF_H */
86