Mercurial > octave
annotate src/DLD-FUNCTIONS/getgrent.cc @ 11043:e9966851619b
getpwent.cc, getgrent.cc, getrusage.cc: use octave_scalar_map instead of Octave_map
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 29 Sep 2010 03:19:37 -0400 |
| parents | 0522a65bcd56 |
| children | fd0a3ac60b0e |
| rev | line source |
|---|---|
| 2928 | 1 /* |
| 2 | |
| 9245 | 3 Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2005, 2006, 2007, 2009 |
| 7017 | 4 John W. Eaton |
| 2928 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2928 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2928 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 28 #include <string> | |
| 29 | |
| 30 #include <sys/types.h> | |
| 31 | |
| 2937 | 32 #include "oct-group.h" |
| 2928 | 33 |
| 34 #include "defun-dld.h" | |
| 35 #include "error.h" | |
| 36 #include "gripes.h" | |
| 37 #include "oct-map.h" | |
| 38 #include "ov.h" | |
| 39 #include "oct-obj.h" | |
| 40 #include "utils.h" | |
| 41 | |
| 42 // Group file functions. (Why not?) | |
| 43 | |
| 44 static octave_value | |
| 2937 | 45 mk_gr_map (const octave_group& gr) |
| 2928 | 46 { |
| 47 octave_value retval; | |
| 48 | |
| 49 if (gr) | |
| 50 { | |
|
11043
e9966851619b
getpwent.cc, getgrent.cc, getrusage.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
51 octave_scalar_map m; |
| 2928 | 52 |
| 4675 | 53 m.assign ("name", gr.name ()); |
| 54 m.assign ("passwd", gr.passwd ()); | |
| 55 m.assign ("gid", static_cast<double> (gr.gid ())); | |
| 56 m.assign ("mem", octave_value (gr.mem ())); | |
| 2928 | 57 |
| 58 retval = m; | |
| 59 } | |
| 60 else | |
| 4233 | 61 retval = 0; |
| 2928 | 62 |
| 63 return retval; | |
| 64 } | |
| 65 | |
| 66 DEFUN_DLD (getgrent, args, , | |
| 3301 | 67 "-*- texinfo -*-\n\ |
| 68 @deftypefn {Loadable Function} {@var{grp_struct} =} getgrent ()\n\ | |
| 69 Return an entry from the group database, opening it if necessary.\n\ | |
| 70 Once the end of the data has been reached, @code{getgrent} returns 0.\n\ | |
| 71 @end deftypefn") | |
| 2928 | 72 { |
| 2937 | 73 octave_value_list retval; |
| 74 | |
| 3523 | 75 retval(1) = std::string (); |
| 4233 | 76 retval(0) = 0; |
| 2928 | 77 |
| 78 int nargin = args.length (); | |
| 79 | |
| 80 if (nargin == 0) | |
| 81 { | |
| 3523 | 82 std::string msg; |
| 2937 | 83 |
| 84 retval(0) = mk_gr_map (octave_group::getgrent (msg)); | |
| 85 retval(1) = msg; | |
| 2928 | 86 } |
| 87 else | |
| 5823 | 88 print_usage (); |
| 2928 | 89 |
| 90 return retval; | |
| 91 } | |
| 92 | |
| 93 DEFUN_DLD (getgrgid, args, , | |
| 3301 | 94 "-*- texinfo -*-\n\ |
| 95 @deftypefn {Loadable Function} {@var{grp_struct} =} getgrgid (@var{gid}).\n\ | |
| 96 Return the first entry from the group database with the group ID\n\ | |
| 97 @var{gid}. If the group ID does not exist in the database,\n\ | |
| 98 @code{getgrgid} returns 0.\n\ | |
| 99 @end deftypefn") | |
| 2928 | 100 { |
| 2937 | 101 octave_value_list retval; |
| 102 | |
| 3523 | 103 retval(1) = std::string (); |
| 4233 | 104 retval(0) = 0; |
| 2928 | 105 |
| 106 int nargin = args.length (); | |
| 107 | |
| 108 if (nargin == 1) | |
| 109 { | |
| 110 double dval = args(0).double_value (); | |
| 111 | |
| 112 if (! error_state) | |
|
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113 { |
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114 if (D_NINT (dval) == dval) |
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115 { |
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116 gid_t gid = static_cast<gid_t> (dval); |
| 2928 | 117 |
|
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118 std::string msg; |
| 2937 | 119 |
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120 retval(0) = mk_gr_map (octave_group::getgrgid (gid, msg)); |
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121 retval(1) = msg; |
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122 } |
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123 else |
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124 error ("getgrgid: argument must be an integer"); |
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parents:
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125 } |
| 2928 | 126 } |
| 127 else | |
| 5823 | 128 print_usage (); |
| 2928 | 129 |
| 130 return retval; | |
| 131 } | |
| 132 | |
| 133 DEFUN_DLD (getgrnam, args, , | |
| 3301 | 134 "-*- texinfo -*-\n\ |
| 135 @deftypefn {Loadable Function} {@var{grp_struct} =} getgrnam (@var{name})\n\ | |
| 136 Return the first entry from the group database with the group name\n\ | |
| 137 @var{name}. If the group name does not exist in the database,\n\ | |
|
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Cleanup documentation for system.texi, package.texi
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138 @code{getgrnam} returns 0.\n\ |
| 3301 | 139 @end deftypefn") |
| 2928 | 140 { |
| 2937 | 141 octave_value_list retval; |
| 142 | |
| 3523 | 143 retval(1) = std::string (); |
| 4233 | 144 retval(0) = 0; |
| 2928 | 145 |
| 146 int nargin = args.length (); | |
| 147 | |
| 148 if (nargin == 1) | |
| 149 { | |
| 3523 | 150 std::string s = args(0).string_value (); |
| 2928 | 151 |
| 152 if (! error_state) | |
|
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parents:
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153 { |
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154 std::string msg; |
| 2937 | 155 |
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156 retval(0) = mk_gr_map (octave_group::getgrnam (s.c_str (), msg)); |
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parents:
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157 retval(1) = msg; |
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parents:
9245
diff
changeset
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158 } |
| 2928 | 159 } |
| 160 else | |
| 5823 | 161 print_usage (); |
| 2928 | 162 |
| 163 return retval; | |
| 164 } | |
| 165 | |
| 166 DEFUN_DLD (setgrent, args, , | |
| 3301 | 167 "-*- texinfo -*-\n\ |
| 168 @deftypefn {Loadable Function} {} setgrent ()\n\ | |
| 169 Return the internal pointer to the beginning of the group database.\n\ | |
| 170 @end deftypefn") | |
| 2928 | 171 { |
| 2937 | 172 octave_value_list retval; |
| 173 | |
| 3523 | 174 retval(1) = std::string (); |
| 2937 | 175 retval(0) = -1.0; |
| 2928 | 176 |
| 177 int nargin = args.length (); | |
| 178 | |
| 179 if (nargin == 0) | |
| 180 { | |
| 3523 | 181 std::string msg; |
| 2937 | 182 |
| 183 retval(0) = static_cast<double> (octave_group::setgrent (msg)); | |
| 184 retval(1) = msg; | |
| 2928 | 185 } |
| 186 else | |
| 5823 | 187 print_usage (); |
| 2928 | 188 |
| 189 return retval; | |
| 190 } | |
| 191 | |
| 192 DEFUN_DLD (endgrent, args, , | |
| 3301 | 193 "-*- texinfo -*-\n\ |
| 194 @deftypefn {Loadable Function} {} endgrent ()\n\ | |
| 195 Close the group database.\n\ | |
| 196 @end deftypefn") | |
| 2928 | 197 { |
| 2937 | 198 octave_value_list retval; |
| 199 | |
| 3523 | 200 retval(1) = std::string (); |
| 2937 | 201 retval(0) = -1.0; |
| 2928 | 202 |
| 203 int nargin = args.length (); | |
| 204 | |
| 205 if (nargin == 0) | |
| 206 { | |
| 3523 | 207 std::string msg; |
| 2937 | 208 |
| 209 retval(0) = static_cast<double> (octave_group::endgrent (msg)); | |
| 210 retval(1) = msg; | |
| 2928 | 211 } |
| 212 else | |
| 5823 | 213 print_usage (); |
| 2928 | 214 |
| 215 return retval; | |
| 216 } |