Contents of /tags/mkinitrd-6_3_3/busybox/include/grp_.h
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Wed Dec 15 21:43:57 2010 UTC (13 years, 9 months ago) by niro
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Wed Dec 15 21:43:57 2010 UTC (13 years, 9 months ago) by niro
File MIME type: text/plain
File size: 4489 byte(s)
tagged 'mkinitrd-6_3_3'
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 | |
26 | PUSH_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. */ |
53 | extern void setgrent(void); |
54 | |
55 | /* Close the group-file stream. */ |
56 | extern 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. */ |
60 | extern struct group *getgrent(void); |
61 | |
62 | /* Read a group entry from STREAM. */ |
63 | extern struct group *fgetgrent(FILE *__stream); |
64 | |
65 | /* Write the given entry onto the given stream. */ |
66 | extern int putgrent(const struct group *__restrict __p, |
67 | FILE *__restrict __f); |
68 | #endif |
69 | |
70 | /* Search for an entry with a matching group ID. */ |
71 | extern struct group *getgrgid(gid_t __gid); |
72 | |
73 | /* Search for an entry with a matching group name. */ |
74 | extern 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 | |
84 | extern 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. */ |
89 | extern 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. */ |
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); |
98 | |
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); |
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. */ |
109 | extern 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. */ |
115 | extern int initgroups(const char *__user, gid_t __group); |
116 | |
117 | POP_SAVED_FUNCTION_VISIBILITY |
118 | |
119 | #endif |