]>
Commit | Line | Data |
---|---|---|
b0d20a87 | 1 | /* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc. |
2c6fe0bd | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
2c6fe0bd UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | 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 | |
12 | Library General Public License for more details. | |
28f540f4 | 13 | |
2c6fe0bd UD |
14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 RM |
18 | |
19 | /* | |
20 | * POSIX Standard: 9.2.2 User Database Access <pwd.h> | |
21 | */ | |
22 | ||
23 | #ifndef _PWD_H | |
24 | ||
25 | #define _PWD_H 1 | |
26 | #include <features.h> | |
27 | ||
28 | __BEGIN_DECLS | |
29 | ||
30 | #include <gnu/types.h> | |
31 | ||
0f110f41 TBB |
32 | #define __need_size_t |
33 | #include <stddef.h> | |
28f540f4 RM |
34 | |
35 | /* The passwd structure. */ | |
36 | struct passwd | |
37 | { | |
38 | char *pw_name; /* Username. */ | |
39 | char *pw_passwd; /* Password. */ | |
40 | __uid_t pw_uid; /* User ID. */ | |
41 | __gid_t pw_gid; /* Group ID. */ | |
42 | char *pw_gecos; /* Real name. */ | |
43 | char *pw_dir; /* Home directory. */ | |
44 | char *pw_shell; /* Shell program. */ | |
45 | }; | |
46 | ||
47 | ||
48 | #if defined(__USE_SVID) || defined(__USE_GNU) | |
49 | #define __need_FILE | |
50 | #include <stdio.h> | |
51 | #endif | |
52 | ||
53 | #ifdef __USE_GNU | |
54 | /* Return a new stream open on the password file. */ | |
55 | extern FILE *__pwdopen __P ((void)); | |
56 | ||
57 | /* Read a password entry from STREAM, filling in P. | |
58 | Return the `struct passwd' of P if successful, NULL on failure. */ | |
ba1ffaa1 | 59 | extern struct passwd *__pwdread __P ((FILE *__stream, __ptr_t __p)); |
28f540f4 RM |
60 | |
61 | /* Return a chunk of memory containing pre-initialized data for __pwdread. */ | |
62 | extern __ptr_t __pwdalloc __P ((void)); | |
7752137a RM |
63 | |
64 | /* Scan the password file, filling in P, until SELECTOR returns nonzero for | |
65 | an entry. Return the `struct passwd' of P if successful, NULL on | |
66 | failure. */ | |
67 | extern struct passwd *__pwdscan __P ((__ptr_t *__p, | |
68 | int (*__selector) (struct passwd *))); | |
28f540f4 RM |
69 | #endif |
70 | ||
71 | ||
2c6fe0bd | 72 | #if defined(__USE_SVID) || defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED) |
28f540f4 RM |
73 | /* Rewind the password-file stream. */ |
74 | extern void setpwent __P ((void)); | |
75 | ||
76 | /* Close the password-file stream. */ | |
77 | extern void endpwent __P ((void)); | |
78 | ||
79 | /* Read an entry from the password-file stream, opening it if necessary. */ | |
80 | extern struct passwd *getpwent __P ((void)); | |
81 | #endif | |
82 | ||
83 | #ifdef __USE_SVID | |
84 | /* Read an entry from STREAM. */ | |
ba1ffaa1 | 85 | extern struct passwd *fgetpwent __P ((FILE *__stream)); |
28f540f4 RM |
86 | |
87 | /* Write the given entry onto the given stream. */ | |
ba1ffaa1 | 88 | extern int putpwent __P ((__const struct passwd *__p, FILE *__f)); |
28f540f4 RM |
89 | #endif |
90 | ||
91 | /* Search for an entry with a matching user ID. */ | |
92 | extern struct passwd *getpwuid __P ((__uid_t __uid)); | |
93 | ||
94 | /* Search for an entry with a matching username. */ | |
95 | extern struct passwd *getpwnam __P ((__const char *__name)); | |
96 | ||
23396375 UD |
97 | #ifdef __USE_REENTRANT |
98 | /* Reasonable value for the buffer sized used in the reentrant | |
99 | functions below. But better use `sysconf'. */ | |
100 | #define NSS_BUFLEN_PASSWD 1024 | |
101 | ||
102 | /* Reentrant versions of some of the functions above. | |
103 | ||
104 | PLEASE NOTE: these functions are not yet standardized. The interface | |
105 | may change in later versions of this library. */ | |
106 | ||
2c6fe0bd | 107 | #if defined(__USE_SVID) || defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED) |
ba1ffaa1 UD |
108 | extern int __getpwent_r __P ((struct passwd *__resultbuf, char *__buffer, |
109 | size_t __buflen, struct passwd **__result)); | |
110 | extern int getpwent_r __P ((struct passwd *__resultbuf, char *__buffer, | |
111 | size_t __buflen, struct passwd **__result)); | |
23396375 UD |
112 | #endif |
113 | ||
ba1ffaa1 UD |
114 | extern int __getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf, |
115 | char *__buffer, size_t __buflen, | |
116 | struct passwd **__result)); | |
117 | extern int getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf, | |
118 | char *__buffer, size_t __buflen, | |
119 | struct passwd **__result)); | |
23396375 | 120 | |
ba1ffaa1 UD |
121 | extern int __getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf, |
122 | char *__buffer, size_t __buflen, | |
123 | struct passwd **__result)); | |
124 | extern int getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf, | |
125 | char *__buffer, size_t __buflen, | |
126 | struct passwd **__result)); | |
23396375 | 127 | |
a8922de8 UD |
128 | |
129 | #ifdef __USE_SVID | |
130 | /* Read an entry from STREAM. */ | |
ba1ffaa1 UD |
131 | extern int __fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf, |
132 | char *__buffer, size_t __buflen, | |
133 | struct passwd **__result)); | |
134 | extern int fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf, | |
135 | char *__buffer, size_t __buflen, | |
136 | struct passwd **__result)); | |
a8922de8 UD |
137 | #endif |
138 | ||
23396375 UD |
139 | #endif /* reentrant */ |
140 | ||
28f540f4 RM |
141 | |
142 | __END_DECLS | |
143 | ||
144 | #endif /* pwd.h */ |