Mercurial > octave
view src/DLD-FUNCTIONS/getgrent.cc @ 2937:9d26524e2869
[project @ 1997-05-06 05:49:53 by jwe]
author | jwe |
---|---|
date | Tue, 06 May 1997 05:55:13 +0000 |
parents | 295f037b4b3e |
children | 38de16594cb4 |
line wrap: on
line source
/* 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. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <string> #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #include "oct-group.h" #include "defun-dld.h" #include "error.h" #include "gripes.h" #include "help.h" #include "oct-map.h" #include "ov.h" #include "oct-obj.h" #include "utils.h" // Group file functions. (Why not?) static octave_value mk_gr_map (const octave_group& gr) { octave_value retval; if (gr) { Octave_map m; m ["name"] = gr.name (); m ["passwd"] = gr.passwd (); m ["gid"] = static_cast<double> (gr.gid ()); m ["mem"] = gr.mem (); retval = m; } else retval = 0.0; return retval; } DEFUN_DLD (getgrent, args, , "getgrent ()\n\ \n\ Read an entry from the group-file stream, opening it if necessary.") { octave_value_list retval; retval(1) = string (); retval(0) = 0.0; int nargin = args.length (); if (nargin == 0) { string msg; retval(0) = mk_gr_map (octave_group::getgrent (msg)); retval(1) = msg; } else print_usage ("getgrent"); return retval; } DEFUN_DLD (getgrgid, args, , "getgrgid (GID)\n\ \n\ Search for a group entry with a matching group ID.") { octave_value_list retval; retval(1) = string (); retval(0) = 0.0; int nargin = args.length (); if (nargin == 1) { double dval = args(0).double_value (); if (! error_state) { if (D_NINT (dval) == dval) { gid_t gid = static_cast<gid_t> (dval); string msg; retval(0) = mk_gr_map (octave_group::getgrgid (gid, msg)); retval(1) = msg; } else error ("getgrgid: argument must be an integer"); } } else print_usage ("getgrgid"); return retval; } DEFUN_DLD (getgrnam, args, , "getgrnam (NAME)\n\ \n\ Search for group entry with a matching group name.") { octave_value_list retval; retval(1) = string (); retval(0) = 0.0; int nargin = args.length (); if (nargin == 1) { string s = args(0).string_value (); if (! error_state) { string msg; retval(0) = mk_gr_map (octave_group::getgrnam (s.c_str (), msg)); retval(1) = msg; } } else print_usage ("getgrnam"); return retval; } DEFUN_DLD (setgrent, args, , "setgrent ()\n\ \n\ Rewind the group-file stream.") { octave_value_list retval; retval(1) = string (); retval(0) = -1.0; int nargin = args.length (); if (nargin == 0) { string msg; retval(0) = static_cast<double> (octave_group::setgrent (msg)); retval(1) = msg; } else print_usage ("setgrent"); return retval; } DEFUN_DLD (endgrent, args, , "endgrent ()\n\ \n\ Close the group-file stream.") { octave_value_list retval; retval(1) = string (); retval(0) = -1.0; int nargin = args.length (); if (nargin == 0) { string msg; retval(0) = static_cast<double> (octave_group::endgrent (msg)); retval(1) = msg; } else print_usage ("endgrent"); return retval; } /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */