Mercurial > octave
annotate libinterp/corefcn/getpwent.cc @ 21782:2aef506f3fec
use namespace for lo-mappers.h functions
* lo-mappers.h, lo-mappers.cc (acos, arg, asin, atan, ceil, conj,
copysign, exp2, finite, fix, floor, imag, is_NA, is_NaN_or_NA, isinf,
isinteger, isnan, log2, max, min, mod, negative_sign, nint, nint_big,
positive_sign, rc_acos, rc_acosh, rc_asin, rc_atanh, rc_log, rc_log10,
rc_log2, rc_sqrt, real, rem, round, roundb, signbit, signum, trunc,
x_nint): Define in octave::math namespace. Deprecate old names.
Change all uses.
* oct-inttypes.h: Put round and isnan functions in octave::math
namespace and rename from xround and xisnan. Change all uses.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 25 May 2016 16:51:16 -0400 |
parents | 815b2f500fab |
children | 112b20240c87 |
rev | line source |
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2928 | 1 /* |
2 | |
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3 Copyright (C) 1996-2015 John W. Eaton |
2928 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2928 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2928 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
2928 | 25 #endif |
26 | |
27 #include <string> | |
28 | |
29 #include <sys/types.h> | |
30 | |
2933 | 31 #include "oct-passwd.h" |
2928 | 32 |
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33 #include "defun.h" |
2928 | 34 #include "error.h" |
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35 #include "errwarn.h" |
2928 | 36 #include "oct-map.h" |
37 #include "ov.h" | |
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38 #include "ovl.h" |
2928 | 39 #include "utils.h" |
40 | |
41 // Password file functions. (Why not?) | |
42 | |
43 static octave_value | |
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44 mk_pw_map (const octave::sys::password& pw) |
2928 | 45 { |
46 octave_value retval; | |
47 | |
48 if (pw) | |
49 { | |
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50 octave_scalar_map m; |
2928 | 51 |
4675 | 52 m.assign ("name", pw.name ()); |
53 m.assign ("passwd", pw.passwd ()); | |
54 m.assign ("uid", static_cast<double> (pw.uid ())); | |
55 m.assign ("gid", static_cast<double> (pw.gid ())); | |
56 m.assign ("gecos", pw.gecos ()); | |
57 m.assign ("dir", pw.dir ()); | |
58 m.assign ("shell", pw.shell ()); | |
2928 | 59 |
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60 retval = ovl (m); |
2928 | 61 } |
62 else | |
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63 retval = ovl (0); |
2928 | 64 |
65 return retval; | |
66 } | |
67 | |
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68 DEFUN (getpwent, args, , |
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69 "-*- texinfo -*-\n\ |
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70 @deftypefn {} {@var{pw_struct} =} getpwent ()\n\ |
3301 | 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\ |
3301 | 76 @end deftypefn") |
2928 | 77 { |
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78 if (args.length () != 0) |
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79 print_usage (); |
2928 | 80 |
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81 std::string msg; |
2928 | 82 |
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83 // octave::sys::password::getpwent may set msg. |
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84 octave_value val = mk_pw_map (octave::sys::password::getpwent (msg)); |
2937 | 85 |
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86 return ovl (val, msg); |
2928 | 87 } |
88 | |
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89 DEFUN (getpwuid, args, , |
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90 "-*- texinfo -*-\n\ |
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91 @deftypefn {} {@var{pw_struct} =} getpwuid (@var{uid}).\n\ |
3301 | 92 Return a structure containing the first entry from the password database\n\ |
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93 with the user ID @var{uid}.\n\ |
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94 \n\ |
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95 If the user ID does not exist in the database, @code{getpwuid} returns 0.\n\ |
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96 @seealso{getpwnam}\n\ |
3301 | 97 @end deftypefn") |
2928 | 98 { |
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99 if (args.length () != 1) |
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100 print_usage (); |
2928 | 101 |
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102 double dval = args(0).double_value (); |
2928 | 103 |
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104 if (octave::math::x_nint (dval) != dval) |
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105 error ("getpwuid: UID must be an integer"); |
2928 | 106 |
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107 uid_t uid = static_cast<uid_t> (dval); |
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108 |
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109 std::string msg; |
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110 |
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111 // octave::sys::password::getpwuid may set msg. |
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112 octave_value val = mk_pw_map (octave::sys::password::getpwuid (uid, msg)); |
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113 |
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114 return ovl (val, msg); |
2928 | 115 } |
116 | |
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117 DEFUN (getpwnam, args, , |
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118 "-*- texinfo -*-\n\ |
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119 @deftypefn {} {@var{pw_struct} =} getpwnam (@var{name})\n\ |
3301 | 120 Return a structure containing the first entry from the password database\n\ |
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121 with the user name @var{name}.\n\ |
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122 \n\ |
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123 If the user name does not exist in the database, @code{getpwname} returns 0.\n\ |
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124 @seealso{getpwuid}\n\ |
3301 | 125 @end deftypefn") |
2928 | 126 { |
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127 if (args.length () != 1) |
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128 print_usage (); |
2928 | 129 |
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130 std::string s = args(0).string_value (); |
2928 | 131 |
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132 std::string msg; |
2937 | 133 |
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134 // octave::sys::password::getpwnam may set msg. |
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135 octave_value val = mk_pw_map (octave::sys::password::getpwnam (s, msg)); |
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136 |
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137 return ovl (val, msg); |
2928 | 138 } |
139 | |
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140 DEFUN (setpwent, args, , |
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141 "-*- texinfo -*-\n\ |
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142 @deftypefn {} {} setpwent ()\n\ |
3301 | 143 Return the internal pointer to the beginning of the password database.\n\ |
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144 @seealso{getpwent, endpwent}\n\ |
3301 | 145 @end deftypefn") |
2928 | 146 { |
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147 if (args.length () != 0) |
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148 print_usage (); |
2928 | 149 |
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150 std::string msg; |
2928 | 151 |
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152 // octave::sys::password::setpwent may set msg. |
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153 int status = octave::sys::password::setpwent (msg); |
2937 | 154 |
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155 return ovl (static_cast<double> (status), msg); |
2928 | 156 } |
157 | |
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158 DEFUN (endpwent, args, , |
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159 "-*- texinfo -*-\n\ |
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160 @deftypefn {} {} endpwent ()\n\ |
3301 | 161 Close the password database.\n\ |
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162 @seealso{getpwent, setpwent}\n\ |
3301 | 163 @end deftypefn") |
2928 | 164 { |
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165 if (args.length () != 0) |
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166 print_usage (); |
2928 | 167 |
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168 std::string msg; |
2928 | 169 |
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170 // octave::sys::password::endpwent may set msg. |
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171 int status = octave::sys::password::endpwent (msg); |
2937 | 172 |
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173 return ovl (static_cast<double> (status), msg); |
2928 | 174 } |