source: branches/3.0/mindi-busybox/include/grp_.h @ 3085

Last change on this file since 3085 was 2725, checked in by bruno, 8 years ago
  • Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
File size: 4.4 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#ifndef BB_GRP_H
24#define BB_GRP_H 1
25
26PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
27
28/* This file is #included after #include <grp.h>
29 * We will use libc-defined structures, but will #define function names
30 * so that function calls are directed to bb_internal_XXX replacements
31 */
32
33#define setgrent     bb_internal_setgrent
34#define endgrent     bb_internal_endgrent
35#define getgrent     bb_internal_getgrent
36#define fgetgrent    bb_internal_fgetgrent
37#define putgrent     bb_internal_putgrent
38#define getgrgid     bb_internal_getgrgid
39#define getgrnam     bb_internal_getgrnam
40#define getgrent_r   bb_internal_getgrent_r
41#define getgrgid_r   bb_internal_getgrgid_r
42#define getgrnam_r   bb_internal_getgrnam_r
43#define fgetgrent_r  bb_internal_fgetgrent_r
44#define getgrouplist bb_internal_getgrouplist
45#define initgroups   bb_internal_initgroups
46
47
48/* All function names below should be remapped by #defines above
49 * in order to not collide with libc names. */
50
51
52/* Rewind the group-file stream.  */
53extern void setgrent(void);
54
55/* Close the group-file stream.  */
56extern void endgrent(void);
57
58#ifdef UNUSED_SINCE_WE_AVOID_STATIC_BUFS
59/* Read an entry from the group-file stream, opening it if necessary.  */
60extern struct group *getgrent(void);
61
62/* Read a group entry from STREAM.  */
63extern struct group *fgetgrent(FILE *__stream);
64
65/* Write the given entry onto the given stream.  */
66extern int putgrent(const struct group *__restrict __p,
67             FILE *__restrict __f);
68#endif
69
70/* Search for an entry with a matching group ID.  */
71extern struct group *getgrgid(gid_t __gid);
72
73/* Search for an entry with a matching group name.  */
74extern struct group *getgrnam(const char *__name);
75
76/* Reentrant versions of some of the functions above.
77
78   PLEASE NOTE: the `getgrent_r' function is not (yet) standardized.
79   The interface may change in later versions of this library.  But
80   the interface is designed following the principals used for the
81   other reentrant functions so the chances are good this is what the
82   POSIX people would choose.  */
83
84extern int getgrent_r(struct group *__restrict __resultbuf,
85               char *__restrict __buffer, size_t __buflen,
86               struct group **__restrict __result);
87
88/* Search for an entry with a matching group ID.  */
89extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf,
90               char *__restrict __buffer, size_t __buflen,
91               struct group **__restrict __result);
92
93/* Search for an entry with a matching group name.  */
94extern int getgrnam_r(const char *__restrict __name,
95               struct group *__restrict __resultbuf,
96               char *__restrict __buffer, size_t __buflen,
97               struct group **__restrict __result);
98
99/* Read a group entry from STREAM.  This function is not standardized
100   an probably never will.  */
101extern int fgetgrent_r(FILE *__restrict __stream,
102            struct group *__restrict __resultbuf,
103            char *__restrict __buffer, size_t __buflen,
104            struct group **__restrict __result);
105
106/* Store at most *NGROUPS members of the group set for USER into
107   *GROUPS.  Also include GROUP.  The actual number of groups found is
108   returned in *NGROUPS.  Return -1 if the if *NGROUPS is too small.  */
109extern int getgrouplist(const char *__user, gid_t __group,
110             gid_t *__groups, int *__ngroups);
111
112/* Initialize the group set for the current user
113   by reading the group database and using all groups
114   of which USER is a member.  Also include GROUP.  */
115extern int initgroups(const char *__user, gid_t __group);
116
117POP_SAVED_FUNCTION_VISIBILITY
118
119#endif
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