[BZ #406]
[glibc.git] / inet / netgroup.h
blobc6b77ba520fcd06dead04044871cc1c581463e0e
1 /* Internal header for netgroup related functions.
2 Copyright (C) 1996, 1997, 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #ifndef _NETGROUP_H
21 #define _NETGROUP_H 1
23 #include <nsswitch.h>
25 /* A netgroup can consist of names of other netgroups. We have to
26 track which netgroups were read and which still have to be read. */
27 struct name_list
29 struct name_list *next;
30 char name[0];
34 /* Dataset for iterating netgroups. */
35 struct __netgrent
37 enum { triple_val, group_val } type;
39 union
41 struct
43 const char *host;
44 const char *user;
45 const char *domain;
47 triple;
49 const char *group;
50 } val;
52 /* Room for the data kept between the calls to the netgroup
53 functions. We must avoid global variables. */
54 char *data;
55 size_t data_size;
56 union
58 char *cursor;
59 unsigned long int position;
61 int first;
63 struct name_list *known_groups;
64 struct name_list *needed_groups;
66 /* This handle for the NSS data base is shared between all
67 set/get/endXXXent functions. */
68 service_user *nip;
72 /* The internal netgroup handling functions might be called from outside. */
73 extern int __internal_setnetgrent (const char *group,
74 struct __netgrent *datap);
75 extern void __internal_endnetgrent (struct __netgrent *datap);
76 extern int __internal_getnetgrent_r (char **hostp, char **userp,
77 char **domainp, struct __netgrent *datap,
78 char *buffer, size_t buflen, int *errnop);
80 #endif /* netgroup.h */