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/* 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 int __getpwent_r __P ((struct passwd *__resultbuf, char *__buffer,
size_t __buflen, struct passwd **__result));
extern int getpwent_r __P ((struct passwd *__resultbuf, char *__buffer,
size_t __buflen, struct passwd **__result));
#endif
extern int __getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf,
char *__buffer, size_t __buflen,
struct passwd **__result));
extern int getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf,
char *__buffer, size_t __buflen,
struct passwd **__result));
extern int __getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf,
char *__buffer, size_t __buflen,
struct passwd **__result));
extern int getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf,
char *__buffer, size_t __buflen,
struct passwd **__result));
#ifdef __USE_SVID
/* Read an entry from STREAM. */
extern int __fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf,
char *__buffer, size_t __buflen,
struct passwd **__result));
extern int fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf,
char *__buffer, size_t __buflen,
struct passwd **__result));
#endif
#endif /* reentrant */
__END_DECLS
#endif /* pwd.h */
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