From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- grp/grp.h | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 grp/grp.h (limited to 'grp/grp.h') diff --git a/grp/grp.h b/grp/grp.h new file mode 100644 index 0000000000..2562671885 --- /dev/null +++ b/grp/grp.h @@ -0,0 +1,101 @@ +/* Copyright (C) 1991, 1992 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, 1992 Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* + * POSIX Standard: 9.2.1 Group Database Access + */ + +#ifndef _GRP_H + +#define _GRP_H 1 +#include + +__BEGIN_DECLS + +#include + + +/* The group structure. */ +struct group + { + char *gr_name; /* Group name. */ + char *gr_passwd; /* Password. */ + __gid_t gr_gid; /* Group ID. */ + char **gr_mem; /* Member list. */ + }; + + +#if defined(__USE_SVID) || defined(__USE_GNU) +#define __need_FILE +#include +#endif + +#ifdef __USE_GNU +/* Return a new stream open on the group file. */ +extern FILE *__grpopen __P ((void)); + +/* Read a group entry from STREAM, filling in G. + Return the `struct group' of G if successful, NULL on failure. */ +extern struct group *__grpread __P ((FILE * __stream, __ptr_t __g)); + +/* Return a chunk of memory containing pre-initialized data for __grpread. */ +extern __ptr_t __grpalloc __P ((void)); +#endif + + +#if defined(__USE_SVID) || defined(__USE_MISC) || defined (__USE_BSD) +/* Rewind the group-file stream. */ +extern void setgrent __P ((void)); + +/* Close the group-file stream. */ +extern void endgrent __P ((void)); + +/* Read an entry from the group-file stream, opening it if necessary. */ +extern struct group *getgrent __P ((void)); +#endif + +#ifdef __USE_SVID +/* Read a group entry from STREAM. */ +extern struct group *fgetgrent __P ((FILE * __stream)); +#endif + +/* Search for an entry with a matching group ID. */ +extern struct group *getgrgid __P ((__gid_t __gid)); + +/* Search for an entry with a matching group name. */ +extern struct group *getgrnam __P ((__const char *__name)); + + +#ifdef __USE_BSD + +#define __need_size_t +#include + +/* Set the group set for the current user to GROUPS (N of them). */ +extern int setgroups __P ((size_t __n, __const __gid_t * groups)); + +/* Initialize the group set for the current user + by reading the group database and using all groups + of which USER is a member. Also include GROUP. */ +extern int initgroups __P ((__const char *user, __gid_t group)); + +#endif /* Use BSD. */ + +__END_DECLS + +#endif /* grp.h */ -- cgit v1.2.3