user_common.h revision 1219:f89f56c2d9ac 
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/*
24 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28/*
29 * Common code and structures used by name-service-switch "user" backends.
30 */
31
32#ifndef _USER_COMMON_H
33#define	_USER_COMMON_H
34
35#pragma ident	"%Z%%M%	%I%	%E% SMI"
36
37#include "c_synonyms.h"
38#include <nss_common.h>
39#include <nss_dbdefs.h>
40#include <stdio.h>
41#include "../../../libnsl/include/nsl_stdio_prv.h"
42
43#ifdef	__cplusplus
44extern "C" {
45#endif
46
47typedef struct user_backend *user_backend_ptr_t;
48typedef nss_status_t	(*user_backend_op_t)(user_backend_ptr_t, void *);
49
50
51
52struct user_backend {
53	user_backend_op_t	*ops;
54	int			n_ops;
55	const char		*filename;
56	__NSL_FILE		*f;
57	int			minbuf;
58	char			*buf;
59};
60
61/*
62 * Iterator function for _nss_user_do_all()
63 *   NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now",
64 *   other values don't make much sense.  In other words we're abusing
65 *   (overloading) the meaning of nss_status_t, but hey...
66 * _nss_user_XY_all() is a wrapper around _nss_user_do_all() that does the
67 *   generic work for nss_XbyY_args_t backends (calls cstr2ent etc).
68 */
69typedef nss_status_t	(*user_do_all_func_t)(const char *, int, void *args);
70typedef int		(*user_XY_check_func)(nss_XbyY_args_t *);
71
72#if defined(__STDC__)
73extern nss_backend_t	*_nss_user_constr(user_backend_op_t	*ops,
74					int			n_ops,
75					const char		*filename,
76					int			min_bufsize);
77extern nss_status_t	_nss_user_destr (user_backend_ptr_t, void *dummy);
78extern nss_status_t	_nss_user_setent(user_backend_ptr_t, void *dummy);
79extern nss_status_t	_nss_user_endent(user_backend_ptr_t, void *dummy);
80extern nss_status_t 	_nss_user_do_all(user_backend_ptr_t,
81					void			*func_priv,
82					const char		*filter,
83					user_do_all_func_t	func);
84extern nss_status_t 	_nss_user_XY_all(user_backend_ptr_t	be,
85					nss_XbyY_args_t		*args,
86					int 			netdb,
87					const char		*filter,
88					user_XY_check_func	check);
89extern int		_nss_user_read_line(__NSL_FILE		*f,
90					char			*buffer,
91					int			buflen);
92#else
93extern nss_backend_t	*_nss_user_constr();
94extern nss_status_t	_nss_user_destr ();
95extern nss_status_t	_nss_user_setent();
96extern nss_status_t	_nss_user_endent();
97extern nss_status_t	_nss_user_do_all();
98extern nss_status_t	_nss_user_XY_all();
99extern int		_nss_user_read_line();
100#endif
101
102#ifdef	__cplusplus
103}
104#endif
105
106#endif /* _USER_COMMON_H */
107