1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/*
* POSIX Standard: 9.2.2 User Database Access <pwd.h>
*/
#ifndef _PWD_H
#define _PWD_H 1
#include <features.h>
__BEGIN_DECLS
#include <gnu/types.h>
/* The passwd structure. */
struct passwd
{
char *pw_name; /* Username. */
char *pw_passwd; /* Password. */
__uid_t pw_uid; /* User ID. */
__gid_t pw_gid; /* Group ID. */
char *pw_gecos; /* Real name. */
char *pw_dir; /* Home directory. */
char *pw_shell; /* Shell program. */
};
#if defined(__USE_SVID) || defined(__USE_GNU)
#define __need_FILE
#include <stdio.h>
#endif
#ifdef __USE_GNU
/* Return a new stream open on the password file. */
extern FILE *__pwdopen __P ((void));
/* Read a password entry from STREAM, filling in P.
Return the `struct passwd' of P if successful, NULL on failure. */
extern struct passwd *__pwdread __P ((FILE * __stream, __ptr_t __p));
/* Return a chunk of memory containing pre-initialized data for __pwdread. */
extern __ptr_t __pwdalloc __P ((void));
/* Scan the password file, filling in P, until SELECTOR returns nonzero for
an entry. Return the `struct passwd' of P if successful, NULL on
failure. */
extern struct passwd *__pwdscan __P ((__ptr_t *__p,
int (*__selector) (struct passwd *)));
#endif
#if defined(__USE_SVID) || defined(__USE_MISC)
/* Rewind the password-file stream. */
extern void setpwent __P ((void));
/* Close the password-file stream. */
extern void endpwent __P ((void));
/* Read an entry from the password-file stream, opening it if necessary. */
extern struct passwd *getpwent __P ((void));
#endif
#ifdef __USE_SVID
/* Read an entry from STREAM. */
extern struct passwd *fgetpwent __P ((FILE * __stream));
/* Write the given entry onto the given stream. */
extern int putpwent __P ((__const struct passwd * __p, FILE * __f));
#endif
/* Search for an entry with a matching user ID. */
extern struct passwd *getpwuid __P ((__uid_t __uid));
/* Search for an entry with a matching username. */
extern struct passwd *getpwnam __P ((__const char *__name));
#ifdef __USE_REENTRANT
/* Reasonable value for the buffer sized used in the reentrant
functions below. But better use `sysconf'. */
#define NSS_BUFLEN_PASSWD 1024
/* Reentrant versions of some of the functions above.
PLEASE NOTE: these functions are not yet standardized. The interface
may change in later versions of this library. */
#if defined(__USE_SVID) || defined(__USE_MISC)
extern struct passwd *__getpwent_r __P ((struct passwd *__resultbuf,
char *__buffer, int __buflen));
extern struct passwd *getpwent_r __P ((struct passwd *__resultbuf,
char *__buffer, int __buflen));
#endif
extern struct passwd *__getpwuid_r __P ((__uid_t __uid,
struct passwd *__resultbuf,
char *__buffer, int __buflen));
extern struct passwd *getpwuid_r __P ((__uid_t __uid,
struct passwd *__resultbuf,
char *__buffer, int __buflen));
extern struct passwd *__getpwnam_r __P ((__const char *__name,
struct passwd *__resultbuf,
char *__buffer, int __buflen));
extern struct passwd *getpwnam_r __P ((__const char *__name,
struct passwd *__resultbuf,
char *__buffer, int __buflen));
#ifdef __USE_SVID
/* Read an entry from STREAM. */
extern struct passwd *__fgetpwent_r __P ((FILE * __stream,
struct passwd *__resultbuf,
char *__buffer, int __buflen));
extern struct passwd *fgetpwent_r __P ((FILE * __stream,
struct passwd *__resultbuf,
char *__buffer, int __buflen));
#endif
#endif /* reentrant */
__END_DECLS
#endif /* pwd.h */
|
