mirror of git://sourceware.org/git/glibc.git
152 lines
4.9 KiB
C
152 lines
4.9 KiB
C
/* Copyright (C) 1991, 1992, 1995, 1996, 1997 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., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, 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>
|
|
|
|
#define __need_size_t
|
|
#include <stddef.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) || defined(__USE_XOPEN_EXTENDED)
|
|
/* 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));
|
|
|
|
#if defined __USE_POSIX || defined __USE_MISC
|
|
|
|
#ifdef __USE_MISC
|
|
/* Reasonable value for the buffer sized used in the reentrant
|
|
functions below. But better use `sysconf'. */
|
|
#define NSS_BUFLEN_PASSWD 1024
|
|
#endif
|
|
|
|
/* Reentrant versions of some of the functions above.
|
|
|
|
PLEASE NOTE: the `getpwent_r' function is not (yet) standardized.
|
|
The interface may change in later versions of this library. But
|
|
the interface is designed following the principals used for the
|
|
other reentrant functions so the chances are good this is what the
|
|
POSIX people would choose. */
|
|
|
|
#if defined(__USE_SVID) || defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED)
|
|
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. This function is not standardized and
|
|
probably never will. */
|
|
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 /* POSIX or reentrant */
|
|
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* pwd.h */
|