Busybox: Upgrade to 1.21.1 (stable). lsof active.
[tomato.git] / release / src / router / busybox / include / grp_.h
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.
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
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.
21 * POSIX Standard: 9.2.1 Group Database Access <grp.h>
23 #ifndef BB_GRP_H
24 #define BB_GRP_H 1
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
32 #undef endgrent
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
48 /* All function names below should be remapped by #defines above
49 * in order to not collide with libc names. */
52 /* Rewind the group-file stream. */
53 extern void setgrent(void);
55 /* Close the group-file stream. */
56 extern void endgrent(void);
59 /* Read an entry from the group-file stream, opening it if necessary. */
60 extern struct group *getgrent(void);
62 /* Read a group entry from STREAM. */
63 extern struct group *fgetgrent(FILE *__stream);
65 /* Write the given entry onto the given stream. */
66 extern int putgrent(const struct group *__restrict __p,
67 FILE *__restrict __f);
68 #endif
70 /* Search for an entry with a matching group ID. */
71 extern struct group *getgrgid(gid_t __gid);
73 /* Search for an entry with a matching group name. */
74 extern struct group *getgrnam(const char *__name);
76 /* Reentrant versions of some of the functions above.
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. */
84 extern int getgrent_r(struct group *__restrict __resultbuf,
85 char *__restrict __buffer, size_t __buflen,
86 struct group **__restrict __result);
88 /* Search for an entry with a matching group ID. */
89 extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf,
90 char *__restrict __buffer, size_t __buflen,
91 struct group **__restrict __result);
93 /* Search for an entry with a matching group name. */
94 extern int getgrnam_r(const char *__restrict __name,
95 struct group *__restrict __resultbuf,
96 char *__restrict __buffer, size_t __buflen,
97 struct group **__restrict __result);
99 /* Read a group entry from STREAM. This function is not standardized
100 an probably never will. */
101 extern int fgetgrent_r(FILE *__restrict __stream,
102 struct group *__restrict __resultbuf,
103 char *__restrict __buffer, size_t __buflen,
104 struct group **__restrict __result);
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. */
109 extern int getgrouplist(const char *__user, gid_t __group,
110 gid_t *__groups, int *__ngroups);
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. */
115 extern int initgroups(const char *__user, gid_t __group);
119 #endif