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d4697bc9 | 1 | /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
2c6fe0bd | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
2c6fe0bd | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
2c6fe0bd UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 RM |
17 | |
18 | /* | |
19 | * POSIX Standard: 9.2.2 User Database Access <pwd.h> | |
20 | */ | |
21 | ||
22 | #ifndef _PWD_H | |
28f540f4 | 23 | #define _PWD_H 1 |
5107cf1d | 24 | |
28f540f4 RM |
25 | #include <features.h> |
26 | ||
27 | __BEGIN_DECLS | |
28 | ||
5107cf1d | 29 | #include <bits/types.h> |
28f540f4 | 30 | |
0f110f41 TBB |
31 | #define __need_size_t |
32 | #include <stddef.h> | |
28f540f4 | 33 | |
7a80496f | 34 | #if defined __USE_XOPEN || defined __USE_XOPEN2K |
9756dfe1 UD |
35 | /* The Single Unix specification says that some more types are |
36 | available here. */ | |
7df789e0 | 37 | # ifndef __gid_t_defined |
9756dfe1 | 38 | typedef __gid_t gid_t; |
7df789e0 | 39 | # define __gid_t_defined |
9756dfe1 UD |
40 | # endif |
41 | ||
7df789e0 | 42 | # ifndef __uid_t_defined |
9756dfe1 | 43 | typedef __uid_t uid_t; |
7df789e0 | 44 | # define __uid_t_defined |
9756dfe1 UD |
45 | # endif |
46 | #endif | |
47 | ||
28f540f4 RM |
48 | /* The passwd structure. */ |
49 | struct passwd | |
50 | { | |
51 | char *pw_name; /* Username. */ | |
52 | char *pw_passwd; /* Password. */ | |
53 | __uid_t pw_uid; /* User ID. */ | |
54 | __gid_t pw_gid; /* Group ID. */ | |
55 | char *pw_gecos; /* Real name. */ | |
56 | char *pw_dir; /* Home directory. */ | |
57 | char *pw_shell; /* Shell program. */ | |
58 | }; | |
59 | ||
60 | ||
acd7f096 | 61 | #ifdef __USE_MISC |
dfd2257a UD |
62 | # define __need_FILE |
63 | # include <stdio.h> | |
28f540f4 RM |
64 | #endif |
65 | ||
28f540f4 | 66 | |
ed9a38e2 | 67 | #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED |
2c008571 | 68 | /* Rewind the password-file stream. |
28f540f4 | 69 | |
2c008571 UD |
70 | This function is a possible cancellation point and therefore not |
71 | marked with __THROW. */ | |
72 | extern void setpwent (void); | |
28f540f4 | 73 | |
2c008571 UD |
74 | /* Close the password-file stream. |
75 | ||
76 | This function is a possible cancellation point and therefore not | |
77 | marked with __THROW. */ | |
78 | extern void endpwent (void); | |
79 | ||
80 | /* Read an entry from the password-file stream, opening it if necessary. | |
81 | ||
82 | This function is a possible cancellation point and therefore not | |
83 | marked with __THROW. */ | |
84 | extern struct passwd *getpwent (void); | |
28f540f4 RM |
85 | #endif |
86 | ||
498afc54 | 87 | #ifdef __USE_MISC |
2c008571 UD |
88 | /* Read an entry from STREAM. |
89 | ||
90 | This function is not part of POSIX and therefore no official | |
91 | cancellation point. But due to similarity with an POSIX interface | |
92 | or due to the implementation it is a cancellation point and | |
93 | therefore not marked with __THROW. */ | |
94 | extern struct passwd *fgetpwent (FILE *__stream); | |
95 | ||
96 | /* Write the given entry onto the given stream. | |
28f540f4 | 97 | |
2c008571 UD |
98 | This function is not part of POSIX and therefore no official |
99 | cancellation point. But due to similarity with an POSIX interface | |
100 | or due to the implementation it is a cancellation point and | |
101 | therefore not marked with __THROW. */ | |
a784e502 | 102 | extern int putpwent (const struct passwd *__restrict __p, |
2c008571 | 103 | FILE *__restrict __f); |
28f540f4 RM |
104 | #endif |
105 | ||
2c008571 | 106 | /* Search for an entry with a matching user ID. |
28f540f4 | 107 | |
2c008571 UD |
108 | This function is a possible cancellation point and therefore not |
109 | marked with __THROW. */ | |
110 | extern struct passwd *getpwuid (__uid_t __uid); | |
111 | ||
112 | /* Search for an entry with a matching username. | |
113 | ||
114 | This function is a possible cancellation point and therefore not | |
115 | marked with __THROW. */ | |
a784e502 | 116 | extern struct passwd *getpwnam (const char *__name); |
28f540f4 | 117 | |
acd7f096 | 118 | #ifdef __USE_POSIX |
19361cb7 | 119 | |
dfd2257a | 120 | # ifdef __USE_MISC |
23396375 UD |
121 | /* Reasonable value for the buffer sized used in the reentrant |
122 | functions below. But better use `sysconf'. */ | |
dfd2257a UD |
123 | # define NSS_BUFLEN_PASSWD 1024 |
124 | # endif | |
23396375 UD |
125 | |
126 | /* Reentrant versions of some of the functions above. | |
127 | ||
84384f5b UD |
128 | PLEASE NOTE: the `getpwent_r' function is not (yet) standardized. |
129 | The interface may change in later versions of this library. But | |
130 | the interface is designed following the principals used for the | |
131 | other reentrant functions so the chances are good this is what the | |
132 | POSIX people would choose. */ | |
23396375 | 133 | |
ed9a38e2 | 134 | # ifdef __USE_MISC |
2c008571 UD |
135 | /* This function is not part of POSIX and therefore no official |
136 | cancellation point. But due to similarity with an POSIX interface | |
137 | or due to the implementation it is a cancellation point and | |
138 | therefore not marked with __THROW. */ | |
c1422e5b UD |
139 | extern int getpwent_r (struct passwd *__restrict __resultbuf, |
140 | char *__restrict __buffer, size_t __buflen, | |
2c008571 | 141 | struct passwd **__restrict __result); |
dfd2257a | 142 | # endif |
23396375 | 143 | |
c1422e5b UD |
144 | extern int getpwuid_r (__uid_t __uid, |
145 | struct passwd *__restrict __resultbuf, | |
146 | char *__restrict __buffer, size_t __buflen, | |
2c008571 | 147 | struct passwd **__restrict __result); |
23396375 | 148 | |
a784e502 | 149 | extern int getpwnam_r (const char *__restrict __name, |
c1422e5b UD |
150 | struct passwd *__restrict __resultbuf, |
151 | char *__restrict __buffer, size_t __buflen, | |
2c008571 | 152 | struct passwd **__restrict __result); |
23396375 | 153 | |
a8922de8 | 154 | |
498afc54 | 155 | # ifdef __USE_MISC |
84384f5b | 156 | /* Read an entry from STREAM. This function is not standardized and |
2c008571 UD |
157 | probably never will. |
158 | ||
159 | This function is not part of POSIX and therefore no official | |
160 | cancellation point. But due to similarity with an POSIX interface | |
161 | or due to the implementation it is a cancellation point and | |
162 | therefore not marked with __THROW. */ | |
c1422e5b UD |
163 | extern int fgetpwent_r (FILE *__restrict __stream, |
164 | struct passwd *__restrict __resultbuf, | |
165 | char *__restrict __buffer, size_t __buflen, | |
2c008571 | 166 | struct passwd **__restrict __result); |
dfd2257a | 167 | # endif |
a8922de8 | 168 | |
9d187dd4 | 169 | #endif /* POSIX or reentrant */ |
23396375 | 170 | |
1d863dc0 UD |
171 | #ifdef __USE_GNU |
172 | /* Re-construct the password-file line for the given uid | |
173 | in the given buffer. This knows the format that the caller | |
2c008571 UD |
174 | will expect, but this need not be the format of the password file. |
175 | ||
176 | This function is not part of POSIX and therefore no official | |
177 | cancellation point. But due to similarity with an POSIX interface | |
178 | or due to the implementation it is a cancellation point and | |
179 | therefore not marked with __THROW. */ | |
180 | extern int getpw (__uid_t __uid, char *__buffer); | |
1d863dc0 | 181 | #endif |
28f540f4 RM |
182 | |
183 | __END_DECLS | |
184 | ||
185 | #endif /* pwd.h */ |