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annotate libinterp/corefcn/getpwent.cc @ 20654:b65888ec820e draft default tip gccjit

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dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents f90c8372b7ba
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 1996-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <string>
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28
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29 #include <sys/types.h>
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30
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31 #include "oct-passwd.h"
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32
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33 #include "defun.h"
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34 #include "error.h"
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35 #include "gripes.h"
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36 #include "oct-map.h"
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37 #include "ov.h"
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38 #include "oct-obj.h"
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39 #include "utils.h"
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40
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41 // Password file functions. (Why not?)
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42
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43 static octave_value
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44 mk_pw_map (const octave_passwd& pw)
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45 {
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46 octave_value retval;
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47
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48 if (pw)
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49 {
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50 octave_scalar_map m;
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51
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52 m.assign ("name", pw.name ());
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53 m.assign ("passwd", pw.passwd ());
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54 m.assign ("uid", static_cast<double> (pw.uid ()));
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55 m.assign ("gid", static_cast<double> (pw.gid ()));
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56 m.assign ("gecos", pw.gecos ());
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57 m.assign ("dir", pw.dir ());
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58 m.assign ("shell", pw.shell ());
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59
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60 retval = m;
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61 }
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62 else
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63 retval = 0;
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64
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65 return retval;
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66 }
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67
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68 DEFUN (getpwent, args, ,
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69 "-*- texinfo -*-\n\
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70 @deftypefn {Built-in Function} {@var{pw_struct} =} getpwent ()\n\
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71 Return a structure containing an entry from the password database,\n\
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72 opening it if necessary.\n\
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73 \n\
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74 Once the end of the data has been reached, @code{getpwent} returns 0.\n\
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75 @seealso{setpwent, endpwent}\n\
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76 @end deftypefn")
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77 {
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78 octave_value_list retval;
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79
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80 retval(1) = std::string ();
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81 retval(0) = 0;
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82
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83 int nargin = args.length ();
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84
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85 if (nargin == 0)
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86 {
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87 std::string msg;
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88
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89 retval(1) = msg;
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90 retval(0) = mk_pw_map (octave_passwd::getpwent (msg));
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91 }
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92 else
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93 print_usage ();
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94
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95 return retval;
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96 }
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97
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98 DEFUN (getpwuid, args, ,
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99 "-*- texinfo -*-\n\
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100 @deftypefn {Built-in Function} {@var{pw_struct} =} getpwuid (@var{uid}).\n\
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101 Return a structure containing the first entry from the password database\n\
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102 with the user ID @var{uid}.\n\
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103 \n\
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104 If the user ID does not exist in the database, @code{getpwuid} returns 0.\n\
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105 @seealso{getpwnam}\n\
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106 @end deftypefn")
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107 {
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108 octave_value_list retval;
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109
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110 retval(1) = std::string ();
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111 retval(0) = 0;
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112
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113 int nargin = args.length ();
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114
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115 if (nargin == 1)
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116 {
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117 double dval = args(0).double_value ();
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118
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119 if (D_NINT (dval) == dval)
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120 {
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121 uid_t uid = static_cast<uid_t> (dval);
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122
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123 std::string msg;
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124
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125 retval(1) = msg;
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126 retval(0) = mk_pw_map (octave_passwd::getpwuid (uid, msg));
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127 }
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128 else
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129 error ("getpwuid: UID must be an integer");
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130 }
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131 else
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132 print_usage ();
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133
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134 return retval;
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135 }
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136
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137 DEFUN (getpwnam, args, ,
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138 "-*- texinfo -*-\n\
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139 @deftypefn {Built-in Function} {@var{pw_struct} =} getpwnam (@var{name})\n\
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140 Return a structure containing the first entry from the password database\n\
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141 with the user name @var{name}.\n\
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142 \n\
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143 If the user name does not exist in the database, @code{getpwname} returns 0.\n\
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144 @seealso{getpwuid}\n\
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145 @end deftypefn")
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146 {
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147 octave_value_list retval;
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148
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149 retval(1) = std::string ();
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150 retval(0) = 0.0;
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151
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152 int nargin = args.length ();
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153
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154 if (nargin == 1)
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155 {
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156 std::string s = args(0).string_value ();
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157
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158 std::string msg;
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159
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160 retval(1) = msg;
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161 retval(0) = mk_pw_map (octave_passwd::getpwnam (s, msg));
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162 }
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163 else
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164 print_usage ();
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165
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166 return retval;
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167 }
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168
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169 DEFUN (setpwent, args, ,
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170 "-*- texinfo -*-\n\
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171 @deftypefn {Built-in Function} {} setpwent ()\n\
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172 Return the internal pointer to the beginning of the password database.\n\
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173 @seealso{getpwent, endpwent}\n\
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174 @end deftypefn")
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175 {
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176 octave_value_list retval;
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177
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178 retval(1) = std::string ();
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179 retval(0) = -1.0;
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180
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181 int nargin = args.length ();
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182
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183 if (nargin == 0)
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184 {
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185 std::string msg;
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186
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187 retval(1) = msg;
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188 retval(0) = static_cast<double> (octave_passwd::setpwent (msg));
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189 }
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190 else
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191 print_usage ();
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192
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193 return retval;
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194 }
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195
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196 DEFUN (endpwent, args, ,
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197 "-*- texinfo -*-\n\
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198 @deftypefn {Built-in Function} {} endpwent ()\n\
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199 Close the password database.\n\
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200 @seealso{getpwent, setpwent}\n\
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201 @end deftypefn")
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202 {
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203 octave_value_list retval;
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204
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205 retval(1) = std::string ();
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206 retval(0) = -1.0;
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207
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208 int nargin = args.length ();
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209
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210 if (nargin == 0)
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211 {
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212 std::string msg;
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213
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Rik <octave@nomad.inbox5.com>
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214 retval(1) = msg;
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215 retval(0) = static_cast<double> (octave_passwd::endpwent (msg));
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216 }
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217 else
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218 print_usage ();
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219
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220 return retval;
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221 }