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1
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1 /* |
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2 |
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2847
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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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1315
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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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240
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23 #ifdef HAVE_CONFIG_H |
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1192
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24 #include <config.h> |
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1
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25 #endif |
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26 |
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1346
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27 #include <cfloat> |
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3124
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28 #include <cmath> |
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1343
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29 #include <cstddef> |
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1346
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30 #include <cstdio> |
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1343
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31 #include <cstdlib> |
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32 #include <cstring> |
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33 |
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3503
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34 #include <iostream> |
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1728
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35 #include <string> |
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36 |
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1350
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37 #ifdef HAVE_UNISTD_H |
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2442
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38 #ifdef HAVE_SYS_TYPES_H |
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529
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39 #include <sys/types.h> |
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2442
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40 #endif |
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529
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41 #include <unistd.h> |
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42 #endif |
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1
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43 |
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1430
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44 #if defined (HAVE_TERMIOS_H) |
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45 #include <termios.h> |
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46 #elif defined (HAVE_TERMIO_H) |
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47 #include <termio.h> |
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48 #elif defined (HAVE_SGTTY_H) |
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49 #include <sgtty.h> |
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4067
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50 #endif |
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51 |
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52 #if defined (HAVE_CONIO_H) |
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53 #include <conio.h> |
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1430
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54 #endif |
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55 |
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3248
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56 #if defined (HAVE_SYS_IOCTL_H) |
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57 #include <sys/ioctl.h> |
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58 #endif |
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59 |
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1463
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60 #if defined (HAVE_FLOATINGPOINT_H) |
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61 #include <floatingpoint.h> |
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62 #endif |
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63 |
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2508
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64 #if defined (HAVE_IEEEFP_H) |
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65 #include <ieeefp.h> |
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66 #endif |
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67 |
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1463
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68 #if !defined (HAVE_GETHOSTNAME) && defined (HAVE_SYS_UTSNAME_H) |
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69 #include <sys/utsname.h> |
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70 #endif |
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71 |
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2926
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72 #include "cmd-edit.h" |
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73 #include "file-ops.h" |
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2893
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74 #include "lo-mappers.h" |
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2317
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75 #include "mach-info.h" |
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2926
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76 #include "oct-env.h" |
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1769
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77 |
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1352
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78 #include "defun.h" |
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79 #include "error.h" |
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529
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80 #include "input.h" |
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1755
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81 #include "oct-obj.h" |
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2370
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82 #include "ov.h" |
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3234
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83 #include "pager.h" |
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1352
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84 #include "sysdep.h" |
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1755
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85 #include "toplev.h" |
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529
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86 #include "utils.h" |
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87 |
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88 #ifndef STDIN_FILENO |
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89 #define STDIN_FILENO 1 |
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90 #endif |
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444
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91 |
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2508
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92 #if defined (__386BSD__) || defined (__FreeBSD__) |
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93 static void |
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94 BSD_init (void) |
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95 { |
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96 #if defined (HAVE_FLOATINGPOINT_H) |
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97 // Disable trapping on common exceptions. |
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4164
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98 #ifndef FP_X_DNML |
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99 #define FP_X_DNML 0 |
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100 #endif |
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2508
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101 fpsetmask (~(FP_X_OFL|FP_X_INV|FP_X_DZ|FP_X_DNML|FP_X_UFL|FP_X_IMP)); |
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102 #endif |
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103 } |
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104 #endif |
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105 |
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4091
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106 #if defined (__CYGWIN__) |
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107 |
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108 #include <limits.h> |
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109 #include <sys/cygwin.h> |
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110 |
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111 static void |
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112 CYGWIN_init (void) |
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113 { |
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4470
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114 // Make sure TMPDIR contains an absolute windows path. Use '/' |
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115 // rather than '\\' so that sh expansion won't mess file names. |
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116 |
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4091
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117 std::string tmpdir = octave_env::getenv ("TMPDIR"); |
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118 |
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119 if (tmpdir.empty ()) |
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4470
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120 tmpdir = "/tmp"; |
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121 |
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122 char buf [PATH_MAX]; |
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123 |
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4470
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124 if (cygwin32_conv_to_full_win32_path (tmpdir.c_str (), buf) < 0) |
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125 panic ("CYGWIN_init: unable to convert TMPDIR (= \"%s\") to Windows directory name", |
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126 tmpdir.c_str ()); |
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127 else |
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128 { |
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129 tmpdir = buf; |
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130 |
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4470
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131 for (size_t i = 0; i < tmpdir.length (); i++) |
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132 if (tmpdir[i] == '\\') |
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133 tmpdir[i] = '/'; |
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4091
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134 } |
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4470
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135 |
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136 octave_env::putenv ("TMPDIR", tmpdir); |
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4091
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137 } |
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138 #endif |
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139 |
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4284
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140 #if defined (__DECCXX) |
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141 |
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142 // These don't seem to be instantiated automatically... |
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143 |
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144 template std::istream& |
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145 std::operator >> (std::istream&, std::complex<double>&); |
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146 |
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147 template std::string& |
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148 std::string::append (const std::string&, size_t, size_t); |
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149 |
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150 #endif |
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151 |
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2610
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152 #if defined (NeXT) |
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1
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153 extern "C" |
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154 { |
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155 typedef void (*_cplus_fcn_int) (int); |
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156 extern void (*malloc_error (_cplus_fcn_int)) (int); |
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157 } |
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158 |
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159 static void |
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160 malloc_handler (int code) |
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161 { |
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162 if (code == 5) |
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217
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163 warning ("hopefully recoverable malloc error: freeing wild pointer"); |
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1
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164 else |
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2926
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165 panic ("probably irrecoverable malloc error: code %d", code); |
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1
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166 } |
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167 |
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168 static void |
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169 NeXT_init (void) |
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170 { |
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171 malloc_error (malloc_handler); |
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172 } |
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3333
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173 #endif |
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1
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174 |
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2546
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175 #if defined (__EMX__) |
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176 OS2_init (void) |
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177 { |
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178 _control87 ((EM_INVALID | EM_DENORMAL | EM_ZERODIVIDE | EM_OVERFLOW |
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179 | EM_UNDERFLOW | EM_INEXACT), MCW_EM); |
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180 } |
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181 #endif |
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182 |
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2508
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183 #if defined (SCO) |
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184 static void |
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185 SCO_init (void) |
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186 { |
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187 #if defined (HAVE_IEEEFP_H) |
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188 // Disable trapping on common exceptions. |
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189 fpsetmask (~(FP_X_OFL|FP_X_INV|FP_X_DZ|FP_X_DNML|FP_X_UFL|FP_X_IMP)); |
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190 #endif |
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191 } |
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192 #endif |
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193 |
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1
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194 void |
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195 sysdep_init (void) |
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196 { |
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959
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197 #if defined (__386BSD__) || defined (__FreeBSD__) |
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2508
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198 BSD_init (); |
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4091
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199 #elif defined (__CYGWIN__) |
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200 CYGWIN_init (); |
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2610
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201 #elif defined (NeXT) |
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1
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202 NeXT_init (); |
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2610
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203 #elif defined (__EMX__) |
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2546
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204 OS2_init (); |
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2508
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205 #elif defined (SCO) |
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206 SCO_init (); |
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1
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207 #endif |
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444
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208 |
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209 octave_ieee_init (); |
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1
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210 } |
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211 |
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767
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212 // Set terminal in raw mode. From less-177. |
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213 // |
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214 // Change terminal to "raw mode", or restore to "normal" mode. |
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215 // "Raw mode" means |
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216 // 1. An outstanding read will complete on receipt of a single keystroke. |
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217 // 2. Input is not echoed. |
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218 // 3. On output, \n is mapped to \r\n. |
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219 // 4. \t is NOT expanded into spaces. |
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220 // 5. Signal-causing characters such as ctrl-C (interrupt), |
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221 // etc. are NOT disabled. |
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222 // It doesn't matter whether an input \n is mapped to \r, or vice versa. |
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223 |
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529
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224 void |
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3657
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225 raw_mode (bool on, bool wait) |
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529
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226 { |
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3657
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227 static bool curr_on = false; |
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529
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228 |
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229 int tty_fd = STDIN_FILENO; |
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230 if (! isatty (tty_fd)) |
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231 { |
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232 if (interactive) |
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233 error ("stdin is not a tty!"); |
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234 return; |
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235 } |
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236 |
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237 if (on == curr_on) |
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238 return; |
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239 |
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240 #if defined (HAVE_TERMIOS_H) |
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241 { |
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242 struct termios s; |
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243 static struct termios save_term; |
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244 |
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245 if (on) |
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246 { |
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1358
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247 // Get terminal modes. |
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529
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248 |
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249 tcgetattr (tty_fd, &s); |
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250 |
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1358
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251 // Save modes and set certain variables dependent on modes. |
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529
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252 |
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253 save_term = s; |
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254 // ospeed = s.c_cflag & CBAUD; |
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255 // erase_char = s.c_cc[VERASE]; |
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256 // kill_char = s.c_cc[VKILL]; |
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257 |
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1358
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258 // Set the modes to the way we want them. |
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529
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259 |
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260 s.c_lflag &= ~(ICANON|ECHO|ECHOE|ECHOK|ECHONL); |
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261 s.c_oflag |= (OPOST|ONLCR); |
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262 #if defined (OCRNL) |
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263 s.c_oflag &= ~(OCRNL); |
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264 #endif |
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265 #if defined (ONOCR) |
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266 s.c_oflag &= ~(ONOCR); |
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267 #endif |
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268 #if defined (ONLRET) |
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269 s.c_oflag &= ~(ONLRET); |
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270 #endif |
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3658
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271 s.c_cc[VMIN] = wait ? 1 : 0; |
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529
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272 s.c_cc[VTIME] = 0; |
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273 } |
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274 else |
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275 { |
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1358
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276 // Restore saved modes. |
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277 |
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529
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278 s = save_term; |
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279 } |
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3658
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280 |
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529
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281 tcsetattr (tty_fd, TCSAFLUSH, &s); |
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282 } |
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283 #elif defined (HAVE_TERMIO_H) |
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284 { |
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285 struct termio s; |
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286 static struct termio save_term; |
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287 |
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288 if (on) |
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289 { |
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1358
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290 // Get terminal modes. |
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529
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291 |
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292 ioctl (tty_fd, TCGETA, &s); |
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293 |
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1358
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294 // Save modes and set certain variables dependent on modes. |
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529
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295 |
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296 save_term = s; |
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297 // ospeed = s.c_cflag & CBAUD; |
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298 // erase_char = s.c_cc[VERASE]; |
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299 // kill_char = s.c_cc[VKILL]; |
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300 |
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1358
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301 // Set the modes to the way we want them. |
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529
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302 |
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303 s.c_lflag &= ~(ICANON|ECHO|ECHOE|ECHOK|ECHONL); |
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304 s.c_oflag |= (OPOST|ONLCR); |
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305 #if defined (OCRNL) |
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306 s.c_oflag &= ~(OCRNL); |
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307 #endif |
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308 #if defined (ONOCR) |
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309 s.c_oflag &= ~(ONOCR); |
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310 #endif |
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311 #if defined (ONLRET) |
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312 s.c_oflag &= ~(ONLRET); |
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313 #endif |
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3658
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314 s.c_cc[VMIN] = wait ? 1 : 0; |
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529
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315 } |
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316 else |
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317 { |
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1358
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318 // Restore saved modes. |
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319 |
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529
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320 s = save_term; |
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321 } |
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3658
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322 |
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529
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323 ioctl (tty_fd, TCSETAW, &s); |
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324 } |
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325 #elif defined (HAVE_SGTTY_H) |
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326 { |
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327 struct sgttyb s; |
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328 static struct sgttyb save_term; |
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329 |
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330 if (on) |
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331 { |
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1358
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332 // Get terminal modes. |
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529
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333 |
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334 ioctl (tty_fd, TIOCGETP, &s); |
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335 |
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1358
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336 // Save modes and set certain variables dependent on modes. |
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529
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337 |
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338 save_term = s; |
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339 // ospeed = s.sg_ospeed; |
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340 // erase_char = s.sg_erase; |
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341 // kill_char = s.sg_kill; |
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342 |
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1358
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343 // Set the modes to the way we want them. |
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529
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344 |
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345 s.sg_flags |= CBREAK; |
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346 s.sg_flags &= ~(ECHO); |
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347 } |
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348 else |
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349 { |
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1358
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350 // Restore saved modes. |
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351 |
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529
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352 s = save_term; |
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353 } |
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3658
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354 |
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529
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355 ioctl (tty_fd, TIOCSETN, &s); |
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356 } |
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357 #else |
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4064
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358 warning ("no support for raw mode console I/O on this system"); |
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359 |
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360 // Make sure the current mode doesn't toggle. |
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361 on = curr_on; |
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529
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362 #endif |
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363 |
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364 curr_on = on; |
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365 } |
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366 |
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767
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367 // Read one character from the terminal. |
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368 |
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529
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369 int |
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4067
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370 octave_kbhit (bool wait) |
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529
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371 { |
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4067
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372 #ifdef HAVE__KBHIT |
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4081
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373 int c = (! wait && ! _kbhit ()) ? 0 : std::cin.get (); |
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4067
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374 #else |
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3658
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375 raw_mode (true, wait); |
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376 |
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377 int c = std::cin.get (); |
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378 |
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379 if (std::cin.fail () || std::cin.eof ()) |
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380 std::cin.clear (); |
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381 |
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382 raw_mode (false, true); |
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4067
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383 #endif |
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3658
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384 |
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529
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385 return c; |
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386 } |
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387 |
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1957
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388 DEFUN (clc, , , |
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3332
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389 "-*- texinfo -*-\n\ |
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390 @deftypefn {Built-in Function} {} clc ()\n\ |
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391 @deftypefnx {Built-in Function} {} home ()\n\ |
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392 Clear the terminal screen and move the cursor to the upper left corner.\n\ |
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3333
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393 @end deftypefn") |
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529
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394 { |
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2926
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395 command_editor::clear_screen (); |
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529
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396 |
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2926
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397 return octave_value_list (); |
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529
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398 } |
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399 |
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549
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400 DEFALIAS (home, clc); |
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401 |
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1957
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402 DEFUN (getenv, args, , |
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3301
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403 "-*- texinfo -*-\n\ |
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404 @deftypefn {Built-in Function} {} getenv (@var{var})\n\ |
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405 Return the value of the environment variable @var{var}. For example,\n\ |
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406 \n\ |
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407 @example\n\ |
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408 getenv (\"PATH\")\n\ |
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409 @end example\n\ |
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410 \n\ |
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411 @noindent\n\ |
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412 returns a string containing the value of your path.\n\ |
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413 @end deftypefn") |
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529
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414 { |
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4233
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415 octave_value retval; |
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529
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416 |
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417 int nargin = args.length (); |
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418 |
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712
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419 if (nargin == 1) |
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529
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420 { |
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3523
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421 std::string name = args(0).string_value (); |
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636
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422 |
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423 if (! error_state) |
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2926
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424 retval = octave_env::getenv (name); |
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529
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425 } |
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426 else |
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427 print_usage ("getenv"); |
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428 |
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429 return retval; |
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430 } |
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431 |
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1957
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432 DEFUN (putenv, args, , |
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3301
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433 "-*- texinfo -*-\n\ |
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434 @deftypefn {Built-in Function} {} putenv (@var{var}, @var{value})\n\ |
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435 Set the value of the environment variable @var{var} to @var{value}.\n\ |
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436 @end deftypefn") |
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1706
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437 { |
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2086
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438 octave_value_list retval; |
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1706
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439 |
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440 int nargin = args.length (); |
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441 |
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442 if (nargin == 2) |
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443 { |
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3523
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444 std::string var = args(0).string_value (); |
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1706
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445 |
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446 if (! error_state) |
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447 { |
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3523
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448 std::string val = args(1).string_value (); |
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1706
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449 |
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450 if (! error_state) |
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2926
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451 octave_env::putenv (var, val); |
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1706
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452 else |
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453 error ("putenv: second argument should be a string"); |
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454 } |
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455 else |
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456 error ("putenv: first argument should be a string"); |
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457 } |
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458 else |
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459 print_usage ("putenv"); |
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460 |
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461 return retval; |
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462 } |
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463 |
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3372
|
464 // XXX FIXME XXX -- perhaps kbhit should also be able to print a prompt? |
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465 |
|
3657
|
466 DEFUN (kbhit, args, , |
|
3372
|
467 "-*- texinfo -*-\n\ |
|
|
468 @deftypefn {Built-in Function} {} kbhit ()\n\ |
|
3657
|
469 Read a single keystroke from the keyboard. If called with one\n\ |
|
|
470 argument, don't wait for a keypress. For example,\n\ |
|
3372
|
471 \n\ |
|
|
472 @example\n\ |
|
|
473 x = kbhit ();\n\ |
|
|
474 @end example\n\ |
|
|
475 \n\ |
|
|
476 @noindent\n\ |
|
|
477 will set @var{x} to the next character typed at the keyboard as soon as\n\ |
|
|
478 it is typed.\n\ |
|
3657
|
479 \n\ |
|
|
480 @example\n\ |
|
|
481 x = kbhit (1);\n\ |
|
|
482 @end example\n\ |
|
|
483 \n\ |
|
|
484 @noindent\n\ |
|
|
485 identical to the above example, but don't wait for a keypress,\n\ |
|
|
486 returning the empty string if no key is available.\n\ |
|
3372
|
487 @end deftypefn") |
|
529
|
488 { |
|
4233
|
489 octave_value retval; |
|
529
|
490 |
|
1358
|
491 // XXX FIXME XXX -- add timeout and default value args? |
|
529
|
492 |
|
3676
|
493 if (interactive || forced_interactive) |
|
529
|
494 { |
|
4067
|
495 int c = octave_kbhit (args.length () == 0); |
|
3657
|
496 |
|
3658
|
497 if (c == -1) |
|
|
498 c = 0; |
|
3657
|
499 |
|
529
|
500 char *s = new char [2]; |
|
|
501 s[0] = c; |
|
|
502 s[1] = '\0'; |
|
|
503 retval = s; |
|
|
504 } |
|
|
505 |
|
|
506 return retval; |
|
|
507 } |
|
|
508 |
|
1957
|
509 DEFUN (pause, args, , |
|
3301
|
510 "-*- texinfo -*-\n\ |
|
|
511 @deftypefn {Built-in Function} {} pause (@var{seconds})\n\ |
|
|
512 Suspend the execution of the program. If invoked without any arguments,\n\ |
|
|
513 Octave waits until you type a character. With a numeric argument, it\n\ |
|
|
514 pauses for the given number of seconds. For example, the following\n\ |
|
|
515 statement prints a message and then waits 5 seconds before clearing the\n\ |
|
|
516 screen.\n\ |
|
|
517 \n\ |
|
|
518 @example\n\ |
|
|
519 @group\n\ |
|
|
520 fprintf (stderr, \"wait please...\n\");\n\ |
|
|
521 pause (5);\n\ |
|
|
522 clc;\n\ |
|
|
523 @end group\n\ |
|
|
524 @end example\n\ |
|
|
525 @end deftypefn") |
|
529
|
526 { |
|
2086
|
527 octave_value_list retval; |
|
529
|
528 |
|
|
529 int nargin = args.length (); |
|
|
530 |
|
712
|
531 if (! (nargin == 0 || nargin == 1)) |
|
529
|
532 { |
|
|
533 print_usage ("pause"); |
|
|
534 return retval; |
|
|
535 } |
|
|
536 |
|
1579
|
537 if (nargin == 1) |
|
529
|
538 { |
|
1579
|
539 double dval = args(0).double_value (); |
|
636
|
540 |
|
1579
|
541 if (! error_state) |
|
|
542 { |
|
|
543 if (xisnan (dval)) |
|
|
544 warning ("pause: NaN is an invalid delay"); |
|
2630
|
545 else if (xisinf (dval)) |
|
3234
|
546 { |
|
|
547 flush_octave_stdout (); |
|
4067
|
548 octave_kbhit (); |
|
3234
|
549 } |
|
1579
|
550 else |
|
4086
|
551 octave_sleep (dval); |
|
529
|
552 } |
|
|
553 } |
|
1579
|
554 else |
|
3234
|
555 { |
|
|
556 flush_octave_stdout (); |
|
4067
|
557 octave_kbhit (); |
|
3234
|
558 } |
|
2630
|
559 |
|
|
560 return retval; |
|
|
561 } |
|
|
562 |
|
|
563 DEFUN (sleep, args, , |
|
3301
|
564 "-*- texinfo -*-\n\ |
|
|
565 @deftypefn {Built-in Function} {} sleep (@var{seconds})\n\ |
|
|
566 Suspend the execution of the program for the given number of seconds.\n\ |
|
|
567 @end deftypefn") |
|
2630
|
568 { |
|
|
569 octave_value_list retval; |
|
|
570 |
|
|
571 if (args.length () == 1) |
|
1579
|
572 { |
|
2630
|
573 double dval = args(0).double_value (); |
|
|
574 |
|
|
575 if (! error_state) |
|
|
576 { |
|
|
577 if (xisnan (dval)) |
|
|
578 warning ("sleep: NaN is an invalid delay"); |
|
|
579 else |
|
4086
|
580 octave_sleep (dval); |
|
2630
|
581 } |
|
1579
|
582 } |
|
2630
|
583 else |
|
|
584 print_usage ("sleep"); |
|
|
585 |
|
|
586 return retval; |
|
|
587 } |
|
|
588 |
|
|
589 DEFUN (usleep, args, , |
|
3301
|
590 "-*- texinfo -*-\n\ |
|
|
591 @deftypefn {Built-in Function} {} usleep (@var{microseconds})\n\ |
|
|
592 Suspend the execution of the program for the given number of\n\ |
|
|
593 microseconds. On systems where it is not possible to sleep for periods\n\ |
|
|
594 of time less than one second, @code{usleep} will pause the execution for\n\ |
|
|
595 @code{round (@var{microseconds} / 1e6)} seconds.\n\ |
|
|
596 @end deftypefn") |
|
2630
|
597 { |
|
|
598 octave_value_list retval; |
|
|
599 |
|
|
600 if (args.length () == 1) |
|
|
601 { |
|
|
602 double dval = args(0).double_value (); |
|
|
603 |
|
|
604 if (! error_state) |
|
|
605 { |
|
|
606 if (xisnan (dval)) |
|
|
607 warning ("usleep: NaN is an invalid delay"); |
|
|
608 else |
|
|
609 { |
|
|
610 int delay = NINT (dval); |
|
2631
|
611 |
|
2630
|
612 if (delay > 0) |
|
3308
|
613 octave_usleep (delay); |
|
2630
|
614 } |
|
|
615 } |
|
|
616 } |
|
|
617 else |
|
|
618 print_usage ("usleep"); |
|
529
|
619 |
|
|
620 return retval; |
|
|
621 } |
|
|
622 |
|
862
|
623 // XXX FIXME XXX -- maybe this should only return 1 if IEEE floating |
|
|
624 // point functions really work. |
|
|
625 |
|
1957
|
626 DEFUN (isieee, , , |
|
3301
|
627 "-*- texinfo -*-\n\ |
|
|
628 @deftypefn {Built-in Function} {} isieee ()\n\ |
|
|
629 Return 1 if your computer claims to conform to the IEEE standard for\n\ |
|
|
630 floating point calculations.\n\ |
|
|
631 @end deftypefn") |
|
862
|
632 { |
|
4600
|
633 oct_mach_info::float_format flt_fmt = oct_mach_info::native_float_format (); |
|
2317
|
634 |
|
4574
|
635 return octave_value (flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian |
|
|
636 || flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); |
|
862
|
637 } |
|
|
638 |
|
4600
|
639 DEFUN (native_float_format, , , |
|
|
640 "-*- texinfo -*-\n\ |
|
|
641 @deftypefn {Built-in Function} {} native_float_format ()\n\ |
|
|
642 Return the native floating point format as a string\n\ |
|
|
643 @end deftypefn") |
|
|
644 { |
|
|
645 oct_mach_info::float_format flt_fmt = oct_mach_info::native_float_format (); |
|
|
646 |
|
|
647 return octave_value (oct_mach_info::float_format_as_string (flt_fmt)); |
|
|
648 } |
|
|
649 |
|
1957
|
650 DEFUN (tilde_expand, args, , |
|
3301
|
651 "-*- texinfo -*-\n\ |
|
|
652 @deftypefn {Built-in Function} {} tilde_expand (@var{string})\n\ |
|
|
653 Performs tilde expansion on @var{string}. If @var{string} begins with a\n\ |
|
|
654 tilde character, (@samp{~}), all of the characters preceding the first\n\ |
|
|
655 slash (or all characters, if there is no slash) are treated as a\n\ |
|
|
656 possible user name, and the tilde and the following characters up to the\n\ |
|
|
657 slash are replaced by the home directory of the named user. If the\n\ |
|
|
658 tilde is followed immediately by a slash, the tilde is replaced by the\n\ |
|
|
659 home directory of the user running Octave. For example,\n\ |
|
|
660 \n\ |
|
|
661 @example\n\ |
|
|
662 @group\n\ |
|
|
663 tilde_expand (\"~joeuser/bin\")\n\ |
|
|
664 @result{} \"/home/joeuser/bin\"\n\ |
|
|
665 tilde_expand (\"~/bin\")\n\ |
|
|
666 @result{} \"/home/jwe/bin\"\n\ |
|
|
667 @end group\n\ |
|
|
668 @end example\n\ |
|
|
669 @end deftypefn") |
|
1750
|
670 { |
|
4233
|
671 octave_value retval; |
|
1750
|
672 |
|
|
673 int nargin = args.length (); |
|
|
674 |
|
|
675 if (nargin == 1) |
|
2926
|
676 retval = file_ops::tilde_expand (args(0).all_strings ()); |
|
1750
|
677 else |
|
|
678 print_usage ("tilde_expand"); |
|
|
679 |
|
|
680 return retval; |
|
|
681 } |
|
|
682 |
|
2552
|
683 #if defined (__EMX__) && defined (OS2) |
|
|
684 |
|
4208
|
685 DEFCMD (extproc, , , |
|
2926
|
686 "extproc: ignored by Octave") |
|
2552
|
687 { |
|
|
688 return octave_value_list (); |
|
|
689 } |
|
|
690 |
|
|
691 DEFALIAS (EXTPROC, extproc); |
|
|
692 |
|
|
693 #endif |
|
|
694 |
|
529
|
695 /* |
|
1
|
696 ;;; Local Variables: *** |
|
|
697 ;;; mode: C++ *** |
|
|
698 ;;; End: *** |
|
|
699 */ |
