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octave-2.1.23
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oct-group.h
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2000-01-15
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/*
Copyright (C) 1996, 1997 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
Octave 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined (octave_group_h)
#define octave_group_h 1
#include <string>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include "str-vec.h"
class
octave_group
{
public:
octave_group (void)
: gr_name (), gr_passwd (), gr_gid (0), gr_mem (), valid (false)
{ }
octave_group (const octave_group& gr)
: gr_name (gr.gr_name), gr_passwd (gr.gr_passwd),
gr_gid (gr.gr_gid), gr_mem (gr.gr_mem), valid (gr.valid)
{ }
octave_group& operator = (const octave_group& gr)
{
if (this != &gr)
{
gr_name = gr.gr_name;
gr_passwd = gr.gr_passwd;
gr_gid = gr.gr_gid;
gr_mem = gr.gr_mem;
valid = gr.valid;
}
return *this;
}
string name (void) const;
string passwd (void) const;
gid_t gid (void) const;
string_vector mem (void) const;
bool ok (void) const { return valid; }
operator bool () const { return ok (); }
static octave_group getgrent (void);
static octave_group getgrent (string& msg);
static octave_group getgrgid (gid_t gid);
static octave_group getgrgid (gid_t gid, string& msg);
static octave_group getgrnam (const string& nm);
static octave_group getgrnam (const string& nm, string& msg);
static int setgrent (void);
static int setgrent (string& msg);
static int endgrent (void);
static int endgrent (string& msg);
private:
// The group name.
string gr_name;
// The group password.
string gr_passwd;
// The numeric group id.
gid_t gr_gid;
// The members of the group;
string_vector gr_mem;
// Flag that says whether we have been properly initialized.
bool valid;
// This is how we will create an octave_group object from a pointer
// to a struct group.
octave_group (void *p, string& msg);
void gripe_invalid (void) const;
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/