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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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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 #ifdef HAVE_SYS_TYPES_H |
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30 #include <sys/types.h> |
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31 #endif |
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32 |
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33 #include "oct-passwd.h" |
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34 |
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35 #include "defun-dld.h" |
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36 #include "error.h" |
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37 #include "gripes.h" |
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38 #include "oct-map.h" |
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39 #include "ov.h" |
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40 #include "oct-obj.h" |
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41 #include "utils.h" |
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42 |
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43 // Password file functions. (Why not?) |
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44 |
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45 static octave_value |
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46 mk_pw_map (const octave_passwd& pw) |
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47 { |
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48 octave_value retval; |
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49 |
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50 if (pw) |
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51 { |
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52 Octave_map m; |
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53 |
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54 m ["name"](0) = pw.name (); |
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55 m ["passwd"](0) = pw.passwd (); |
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56 m ["uid"](0) = static_cast<double> (pw.uid ()); |
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57 m ["gid"](0) = static_cast<double> (pw.gid ()); |
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58 m ["gecos"](0) = pw.gecos (); |
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59 m ["dir"](0) = pw.dir (); |
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60 m ["shell"](0) = pw.shell (); |
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61 |
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62 retval = m; |
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63 } |
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64 else |
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65 retval = 0; |
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66 |
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67 return retval; |
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68 } |
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69 |
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70 DEFUN_DLD (getpwent, args, , |
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71 "-*- texinfo -*-\n\ |
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72 @deftypefn {Loadable Function} {@var{pw_struct} = } getpwent ()\n\ |
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73 Return a structure containing an entry from the password database,\n\ |
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74 opening it if necessary. Once the end of the data has been reached,\n\ |
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75 @code{getpwent} returns 0.\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(0) = mk_pw_map (octave_passwd::getpwent (msg)); |
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90 retval(1) = msg; |
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91 } |
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92 else |
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93 print_usage ("getpwent"); |
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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_DLD (getpwuid, args, , |
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99 "-*- texinfo -*-\n\ |
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100 @deftypefn {Loadable 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}. If the user ID does not exist in the\n\ |
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103 database, @code{getpwuid} returns 0.\n\ |
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104 @end deftypefn") |
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105 { |
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106 octave_value_list retval; |
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107 |
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108 retval(1) = std::string (); |
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109 retval(0) = 0; |
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110 |
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111 int nargin = args.length (); |
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112 |
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113 if (nargin == 1) |
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114 { |
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115 double dval = args(0).double_value (); |
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116 |
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117 if (! error_state) |
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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(0) = mk_pw_map (octave_passwd::getpwuid (uid, msg)); |
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126 retval(1) = msg; |
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127 } |
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128 else |
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129 error ("getpwuid: argument must be an integer"); |
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130 } |
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131 } |
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132 else |
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133 print_usage ("getpwuid"); |
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134 |
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135 return retval; |
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136 } |
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137 |
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138 DEFUN_DLD (getpwnam, args, , |
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139 "-*- texinfo -*-\n\ |
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140 @deftypefn {Loadable Function} {@var{pw_struct} = } getpwnam (@var{name})\n\ |
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141 Return a structure containing the first entry from the password database\n\ |
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142 with the user name @var{name}. If the user name does not exist in the\n\ |
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143 database, @code{getpwname} returns 0.\n\ |
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144 @end deftypefn") |
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145 { |
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146 octave_value_list retval; |
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147 |
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148 retval(1) = std::string (); |
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149 retval(0) = 0.0; |
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150 |
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151 int nargin = args.length (); |
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152 |
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153 if (nargin == 1) |
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154 { |
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155 std::string s = args(0).string_value (); |
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156 |
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157 if (! error_state) |
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158 { |
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159 std::string msg; |
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160 |
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161 retval(0) = mk_pw_map (octave_passwd::getpwnam (s, msg)); |
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162 retval(1) = msg; |
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163 } |
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164 } |
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165 else |
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166 print_usage ("getpwnam"); |
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167 |
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168 return retval; |
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169 } |
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170 |
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171 DEFUN_DLD (setpwent, args, , |
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172 "-*- texinfo -*-\n\ |
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173 @deftypefn {Loadable Function} {} setpwent ()\n\ |
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174 Return the internal pointer to the beginning of the password database.\n\ |
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175 @end deftypefn") |
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176 { |
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177 octave_value_list retval; |
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178 |
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179 retval(1) = std::string (); |
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180 retval(0) = -1.0; |
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181 |
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182 int nargin = args.length (); |
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183 |
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184 if (nargin == 0) |
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185 { |
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186 std::string msg; |
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187 |
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188 retval(0) = static_cast<double> (octave_passwd::setpwent (msg)); |
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189 retval(1) = msg; |
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190 } |
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191 else |
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192 print_usage ("setpwent"); |
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193 |
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194 return retval; |
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195 } |
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196 |
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197 DEFUN_DLD (endpwent, args, , |
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198 "-*- texinfo -*-\n\ |
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199 @deftypefn {Loadable Function} {} endpwent ()\n\ |
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200 Close the password database.\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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214 retval(0) = static_cast<double> (octave_passwd::endpwent (msg)); |
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215 retval(1) = msg; |
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216 } |
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217 else |
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218 print_usage ("endpwent"); |
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219 |
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220 return retval; |
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221 } |
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222 |
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223 /* |
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224 ;;; Local Variables: *** |
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225 ;;; mode: C++ *** |
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226 ;;; End: *** |
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227 */ |
