xref: /onnv-gate/usr/src/lib/libdhcpsvc/modules/files/dhcptab.h (revision 0:68f95e015346)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 2000 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _DHCPTAB_H
28 #define	_DHCPTAB_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <stdio.h>
34 #include <dhcp_svc_public.h>
35 
36 /*
37  * Implementation-specific data structures for the files dhcptab container.
38  * These structures are subject to change at any time.
39  */
40 
41 #ifdef	__cplusplus
42 extern "C" {
43 #endif
44 
45 /*
46  * Per-record state describing the underlying record, including its
47  * position on-disk.
48  */
49 typedef struct dt_recpos {
50 	dt_rec_t	dtp_rec;	/* traditional record */
51 	size_t		dtp_size;	/* its size in the file */
52 	off_t		dtp_off;	/* its starting offset in the file */
53 } dt_recpos_t;
54 
55 /*
56  * Per-instance state for each instance of an open_dt()
57  */
58 typedef struct dt_handle {
59 	unsigned int	dh_oflags;	/* flags passed into open_dt() */
60 	char		dh_location[MAXPATHLEN];
61 } dt_handle_t;
62 
63 /*
64  * Order of the fields in the on-disk record.
65  */
66 enum { DTF_KEY, DTF_TYPE, DTF_SIG, DTF_VALUE };
67 
68 #define	DTF_FIELDS		4	/* number of fields */
69 #define	DTF_COMMENT_CHAR	'#'
70 
71 /*
72  * Constants for use with find_dt()
73  */
74 #define	FIND_PARTIAL	0x0001		/* allow partial success */
75 #define	FIND_POSITION	0x0002 		/* return dt_recpos_t's */
76 
77 #ifdef	__cplusplus
78 }
79 #endif
80 
81 #endif	/* _DHCPTAB_H */
82