source: MondoRescue/branches/2.2.9/mindi-busybox/include/grp_.h@ 2579

Last change on this file since 2579 was 1765, checked in by Bruno Cornec, 16 years ago

Update to busybox 1.7.2
File size: 4.7 KB
Line 
1/* vi: set sw=4 ts=4: */
2/* Copyright (C) 1991,92,95,96,97,98,99,2000,01 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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. */
19
20/*
21 * POSIX Standard: 9.2.1 Group Database Access <grp.h>
22 */
23
24#if !ENABLE_USE_BB_PWD_GRP
25
26#include <grp.h>
27
28#else
29
30#ifndef _GRP_H
31#define _GRP_H 1
32
33/* The group structure. */
34struct group {
35 char *gr_name; /* Group name. */
36 char *gr_passwd; /* Password. */
37 gid_t gr_gid; /* Group ID. */
38 char **gr_mem; /* Member list. */
39};
40
41/* We don't reimplement this, just supplying prototype */
42/* The function itself is in libc */
43/* Set the group set for the current user to GROUPS (N of them). */
44extern int setgroups(size_t __n, __const gid_t *__groups);
45
46
47#define setgrent bb_internal_setgrent
48#define endgrent bb_internal_endgrent
49#define getgrent bb_internal_getgrent
50#define fgetgrent bb_internal_fgetgrent
51#define putgrent bb_internal_putgrent
52#define getgrgid bb_internal_getgrgid
53#define getgrnam bb_internal_getgrnam
54#define getgrent_r bb_internal_getgrent_r
55#define getgrgid_r bb_internal_getgrgid_r
56#define getgrnam_r bb_internal_getgrnam_r
57#define fgetgrent_r bb_internal_fgetgrent_r
58#define getgrouplist bb_internal_getgrouplist
59#define initgroups bb_internal_initgroups
60
61
62/* All function names below should be remapped by #defines above
63 * in order to not collide with libc names.
64 * In theory it isn't necessary, but I saw weird interactions at link time.
65 * Let's play safe */
66
67
68/* Rewind the group-file stream. */
69extern void setgrent(void);
70
71/* Close the group-file stream. */
72extern void endgrent(void);
73
74/* Read an entry from the group-file stream, opening it if necessary. */
75extern struct group *getgrent(void);
76
77/* Read a group entry from STREAM. */
78extern struct group *fgetgrent(FILE *__stream);
79
80/* Write the given entry onto the given stream. */
81extern int putgrent(__const struct group *__restrict __p,
82 FILE *__restrict __f);
83
84/* Search for an entry with a matching group ID. */
85extern struct group *getgrgid(gid_t __gid);
86
87/* Search for an entry with a matching group name. */
88extern struct group *getgrnam(__const char *__name);
89
90/* Reentrant versions of some of the functions above.
91
92 PLEASE NOTE: the `getgrent_r' function is not (yet) standardized.
93 The interface may change in later versions of this library. But
94 the interface is designed following the principals used for the
95 other reentrant functions so the chances are good this is what the
96 POSIX people would choose. */
97
98extern int getgrent_r(struct group *__restrict __resultbuf,
99 char *__restrict __buffer, size_t __buflen,
100 struct group **__restrict __result);
101
102/* Search for an entry with a matching group ID. */
103extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf,
104 char *__restrict __buffer, size_t __buflen,
105 struct group **__restrict __result);
106
107/* Search for an entry with a matching group name. */
108extern int getgrnam_r(__const char *__restrict __name,
109 struct group *__restrict __resultbuf,
110 char *__restrict __buffer, size_t __buflen,
111 struct group **__restrict __result);
112
113/* Read a group entry from STREAM. This function is not standardized
114 an probably never will. */
115extern int fgetgrent_r(FILE *__restrict __stream,
116 struct group *__restrict __resultbuf,
117 char *__restrict __buffer, size_t __buflen,
118 struct group **__restrict __result);
119
120/* Store at most *NGROUPS members of the group set for USER into
121 *GROUPS. Also include GROUP. The actual number of groups found is
122 returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */
123extern int getgrouplist(__const char *__user, gid_t __group,
124 gid_t *__groups, int *__ngroups);
125
126/* Initialize the group set for the current user
127 by reading the group database and using all groups
128 of which USER is a member. Also include GROUP. */
129extern int initgroups(__const char *__user, gid_t __group);
130
131
132#endif /* grp.h */
133#endif
Note: See TracBrowser for help on using the repository browser.