annotate libinterp/corefcn/sysdep.cc @ 22094:9203833cab7d

move new interpreter class to separate file * libinterp/corefcn/interpreter.cc, libinterp/corefcn/interpreter.h: New files. Move interpreter class and some supporting functions here from octave.h, octave.cc, toplev.h, and toplev.cc. Move main_loop into the interpreter class. Handle exiting with a separate exception object from interrupts, passing the exit status with the object. Update other files as needed to remove toplev.h or include interpreter.h instead of toplev.h. * libinterp/corefcn/module.mk: Update. * toplev.h: Deprecate.
author John W. Eaton <jwe@octave.org>
date Mon, 11 Jul 2016 18:05:53 -0400
parents c2c668b3051b
children b8f92ea626e7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1993-2015 John W. Eaton
1
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4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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5 This file is part of Octave.
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6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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7 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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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
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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10 option) any later version.
1
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11
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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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 #if defined (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 <cfloat>
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28 #include <cstddef>
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29 #include <cstdio>
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30 #include <cstdlib>
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31 #include <cstring>
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32
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33 #include <iostream>
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34 #include <string>
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35
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36 #if defined (HAVE_TERMIOS_H)
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37 # include <termios.h>
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38 #elif defined (HAVE_TERMIO_H)
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39 # include <termio.h>
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40 #elif defined (HAVE_SGTTY_H)
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41 # include <sgtty.h>
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42 #endif
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43
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44 #if defined (HAVE_CONIO_H)
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45 # include <conio.h>
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46 #endif
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47
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48 #if defined (HAVE_SYS_IOCTL_H)
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49 # include <sys/ioctl.h>
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50 #endif
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51
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52 #if defined (HAVE_FLOATINGPOINT_H)
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53 # include <floatingpoint.h>
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54 #endif
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55
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56 #if defined (HAVE_IEEEFP_H)
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57 # include <ieeefp.h>
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58 #endif
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59
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60 #if defined (HAVE_OMP_H)
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61 # include <omp.h>
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62 #endif
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63
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64 #include "cmd-edit.h"
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65 #include "file-ops.h"
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66 #include "lo-mappers.h"
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67 #include "lo-math.h"
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68 #include "mach-info.h"
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69 #include "oct-env.h"
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70 #include "quit.h"
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71 #include "unistd-wrappers.h"
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72 #include "unsetenv-wrapper.h"
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73
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74 #include "Cell.h"
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75 #include "builtins.h"
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76 #include "defun.h"
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77 #include "display.h"
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78 #include "error.h"
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79 #include "errwarn.h"
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80 #include "input.h"
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81 #include "octave.h"
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82 #include "ov.h"
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83 #include "ovl.h"
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84 #include "pager.h"
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85 #include "parse.h"
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86 #include "sighandlers.h"
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87 #include "sysdep.h"
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88 #include "interpreter.h"
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89 #include "utils.h"
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90 #include "file-stat.h"
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91
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92 #if ! defined (STDIN_FILENO)
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93 # define STDIN_FILENO 1
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94 #endif
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95
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96 #if defined (__386BSD__) || defined (__FreeBSD__) || defined (__NetBSD__)
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97 static void
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98 BSD_init (void)
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99 {
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100 # if defined (HAVE_FLOATINGPOINT_H)
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101 // Disable trapping on common exceptions.
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102 # if ! defined (FP_X_DNML)
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103 # define FP_X_DNML 0
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104 # endif
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105 fpsetmask (~(FP_X_OFL|FP_X_INV|FP_X_DZ|FP_X_DNML|FP_X_UFL|FP_X_IMP));
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106 # endif
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107 }
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108 #endif
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109
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110 #if defined (__MINGW32__) || defined (_MSC_VER)
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111
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112 #define WIN32_LEAN_AND_MEAN
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113 #include <windows.h>
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114 #include <tlhelp32.h>
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115 #include <shellapi.h>
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116
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117 static void
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118 w32_set_octave_home (void)
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119 {
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120 std::string bin_dir;
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121
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122 HANDLE h = CreateToolhelp32Snapshot (TH32CS_SNAPMODULE
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123 #if defined (TH32CS_SNAPMODULE32)
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124 | TH32CS_SNAPMODULE32
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125 #endif
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126 , 0);
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127
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128 if (h != INVALID_HANDLE_VALUE)
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129 {
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130 MODULEENTRY32 mod_info;
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131
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132 ZeroMemory (&mod_info, sizeof (mod_info));
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133 mod_info.dwSize = sizeof (mod_info);
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134
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135 if (Module32First (h, &mod_info))
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136 {
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137 do
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138 {
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139 std::string mod_name (mod_info.szModule);
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140
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141 if (mod_name.find ("octinterp") != std::string::npos)
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142 {
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143 bin_dir = mod_info.szExePath;
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144 if (bin_dir[bin_dir.length () - 1] != '\\')
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145 bin_dir.append (1, '\\');
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146 break;
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147 }
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148 }
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149 while (Module32Next (h, &mod_info));
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150 }
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151
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152 CloseHandle (h);
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153 }
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154
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155 if (! bin_dir.empty ())
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156 {
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157 size_t pos = bin_dir.rfind ("\\bin\\");
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158
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159 if (pos != std::string::npos)
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160 octave::sys::env::putenv ("OCTAVE_HOME", bin_dir.substr (0, pos));
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161 }
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162 }
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163
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164 static void
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165 w32_init (void)
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166 {
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167 w32_set_octave_home ();
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168
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169 octave::command_editor::prefer_env_winsize (true);
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170 }
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171
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172 static bool
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173 w32_shell_execute (const std::string& file)
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174 {
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175 }
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176 #endif
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177
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178 DEFUN (__open_with_system_app__, args, ,
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179 doc: /* -*- texinfo -*-
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180 @deftypefn {} {} __open_with_system_app__ (@var{file})
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181 Undocumented internal function.
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182 @end deftypefn */)
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183 {
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184 if (args.length () != 1)
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185 print_usage ();
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186
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187 std::string file = args(0).xstring_value ("__open_with_system_app__: argument must be a filename");
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188
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189 octave_value retval;
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190
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191 #if defined (OCTAVE_USE_WINDOWS_API)
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192 HINSTANCE status = ShellExecute (0, 0, file.c_str (), 0, 0,
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193 SW_SHOWNORMAL);
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194
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195 // ShellExecute returns a value greater than 32 if successful.
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196 retval = (reinterpret_cast<ptrdiff_t> (status) > 32);
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197 #elif defined (__APPLE__)
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198 octave_value_list tmp
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199 = Fsystem (ovl ("open " + file + " 2> /dev/null",
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200 false, "async"),
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201 1);
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202
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203 retval = (tmp(0).double_value () == 0);
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204 #else
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205 octave_value_list tmp
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206 = Fsystem (ovl ("xdg-open " + file + " 2> /dev/null",
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207 false, "async"),
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208 1);
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209
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210 retval = (tmp(0).double_value () == 0);
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211 #endif
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212
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213 return retval;
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214 }
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215
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216 #if defined (__MINGW32__)
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217 static void
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218 MINGW_init (void)
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219 {
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220 w32_init ();
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221 }
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222 #endif
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223
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224 #if defined (_MSC_VER)
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225 static void
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226 MSVC_init (void)
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227 {
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228 w32_init ();
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229 }
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230 #endif
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231
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232 // Return TRUE if FILE1 and FILE2 refer to the same (physical) file.
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233
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234 bool
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235 same_file_internal (const std::string& file1, const std::string& file2)
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diff changeset
236 {
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diff changeset
237 #if defined (OCTAVE_USE_WINDOWS_API)
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238
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239 bool retval = false;
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240
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241 const char *f1 = file1.c_str ();
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242 const char *f2 = file2.c_str ();
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243
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diff changeset
244 bool f1_is_dir = GetFileAttributes (f1) & FILE_ATTRIBUTE_DIRECTORY;
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diff changeset
245 bool f2_is_dir = GetFileAttributes (f2) & FILE_ATTRIBUTE_DIRECTORY;
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246
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247 // Windows native code
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248 // Reference: http://msdn2.microsoft.com/en-us/library/aa363788.aspx
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249
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diff changeset
250 DWORD share = FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE;
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251
aa5299a1d770 * sysdep.cc (same_file_internal): Handle directories on Windows systems.
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diff changeset
252 HANDLE hfile1
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diff changeset
253 = CreateFile (f1, 0, share, 0, OPEN_EXISTING,
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diff changeset
254 f1_is_dir ? FILE_FLAG_BACKUP_SEMANTICS : 0, 0);
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255
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256 if (hfile1 != INVALID_HANDLE_VALUE)
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diff changeset
257 {
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diff changeset
258 HANDLE hfile2
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diff changeset
259 = CreateFile (f2, 0, share, 0, OPEN_EXISTING,
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diff changeset
260 f2_is_dir ? FILE_FLAG_BACKUP_SEMANTICS : 0, 0);
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261
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262 if (hfile2 != INVALID_HANDLE_VALUE)
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diff changeset
263 {
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diff changeset
264 BY_HANDLE_FILE_INFORMATION hfi1;
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diff changeset
265 BY_HANDLE_FILE_INFORMATION hfi2;
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266
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diff changeset
267 if (GetFileInformationByHandle (hfile1, &hfi1)
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diff changeset
268 && GetFileInformationByHandle (hfile2, &hfi2))
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diff changeset
269 {
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diff changeset
270 retval = (hfi1.dwVolumeSerialNumber == hfi2.dwVolumeSerialNumber
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diff changeset
271 && hfi1.nFileIndexHigh == hfi2.nFileIndexHigh
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diff changeset
272 && hfi1.nFileIndexLow == hfi2.nFileIndexLow);
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273 }
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274
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275 CloseHandle (hfile2);
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276 }
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277
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278 CloseHandle (hfile1);
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279 }
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280
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281 return retval;
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282
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283 #else
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284
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285 // POSIX Code
ce819776ee76 [project @ 2007-04-27 17:34:27 by jwe]
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286
21736
0504351a45e6 use namespace for file_stat classes
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parents: 21733
diff changeset
287 octave::sys::file_stat fs_file1 (file1);
0504351a45e6 use namespace for file_stat classes
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parents: 21733
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288 octave::sys::file_stat fs_file2 (file2);
6598
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289
ce819776ee76 [project @ 2007-04-27 17:34:27 by jwe]
jwe
parents: 6423
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290 return (fs_file1 && fs_file2
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291 && fs_file1.ino () == fs_file2.ino ()
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292 && fs_file1.dev () == fs_file2.dev ());
6598
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293
ce819776ee76 [project @ 2007-04-27 17:34:27 by jwe]
jwe
parents: 6423
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294 #endif
ce819776ee76 [project @ 2007-04-27 17:34:27 by jwe]
jwe
parents: 6423
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295 }
ce819776ee76 [project @ 2007-04-27 17:34:27 by jwe]
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diff changeset
296
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
297 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
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298 sysdep_init (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
299 {
21557
f6663c49870c Add comment clarifying why omp_get_num_threads is called in sysdep.cc.
Rik <rik@octave.org>
parents: 21556
diff changeset
300 // Use a function from libgomp to force loading of OpenMP library.
f6663c49870c Add comment clarifying why omp_get_num_threads is called in sysdep.cc.
Rik <rik@octave.org>
parents: 21556
diff changeset
301 // Otherwise, a dynamically loaded library making use of OpenMP such
f6663c49870c Add comment clarifying why omp_get_num_threads is called in sysdep.cc.
Rik <rik@octave.org>
parents: 21556
diff changeset
302 // as GraphicsMagick will segfault on exit (bug #41699).
21554
9f0088f3f335 call openmp function at initialization (bug #47372)
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parents: 20788
diff changeset
303 #if defined (HAVE_OMP_GET_NUM_THREADS)
9f0088f3f335 call openmp function at initialization (bug #47372)
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304 omp_get_num_threads ();
9f0088f3f335 call openmp function at initialization (bug #47372)
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parents: 20788
diff changeset
305 #endif
9f0088f3f335 call openmp function at initialization (bug #47372)
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parents: 20788
diff changeset
306
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f7afecdd87ef maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents: 14445
diff changeset
307 #if defined (__386BSD__) || defined (__FreeBSD__) || defined (__NetBSD__)
2508
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jwe
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308 BSD_init ();
5451
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jwe
parents: 5395
diff changeset
309 #elif defined (__MINGW32__)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
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diff changeset
310 MINGW_init ();
6080
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jwe
parents: 5823
diff changeset
311 #elif defined (_MSC_VER)
40ab35ab651c [project @ 2006-10-25 03:26:36 by jwe]
jwe
parents: 5823
diff changeset
312 MSVC_init ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
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313 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
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314 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
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315
5451
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jwe
parents: 5395
diff changeset
316 void
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5395
diff changeset
317 sysdep_cleanup (void)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5395
diff changeset
318 {
21989
6bce4d23af6b eliminate OCTAVE_USE_WINDOWS_API and OCTAVE_USE_OS_X_API from header files
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parents: 21979
diff changeset
319 #if defined (OCTAVE_USE_WINDOWS_API)
6bce4d23af6b eliminate OCTAVE_USE_WINDOWS_API and OCTAVE_USE_OS_X_API from header files
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parents: 21979
diff changeset
320 // Let us fail immediately without displaying any dialog.
6bce4d23af6b eliminate OCTAVE_USE_WINDOWS_API and OCTAVE_USE_OS_X_API from header files
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parents: 21979
diff changeset
321 SetProcessShutdownParameters (0x280, SHUTDOWN_NORETRY);
6bce4d23af6b eliminate OCTAVE_USE_WINDOWS_API and OCTAVE_USE_OS_X_API from header files
John W. Eaton <jwe@octave.org>
parents: 21979
diff changeset
322 #endif
5451
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parents: 5395
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323 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5395
diff changeset
324
767
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jwe
parents: 712
diff changeset
325 // Set terminal in raw mode. From less-177.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
326 //
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
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327 // Change terminal to "raw mode", or restore to "normal" mode.
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parents: 11572
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328 // "Raw mode" means
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diff changeset
329 // 1. An outstanding read will complete on receipt of a single keystroke.
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330 // 2. Input is not echoed.
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331 // 3. On output, \n is mapped to \r\n.
57a59eae83cc untabify src C++ source files
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332 // 4. \t is NOT expanded into spaces.
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parents: 10266
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333 // 5. Signal-causing characters such as ctrl-C (interrupt),
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
334 // etc. are NOT disabled.
767
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
335 // It doesn't matter whether an input \n is mapped to \r, or vice versa.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
336
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
337 void
3657
a908150a3a32 [project @ 2000-04-11 19:02:03 by jwe]
jwe
parents: 3531
diff changeset
338 raw_mode (bool on, bool wait)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
339 {
3657
a908150a3a32 [project @ 2000-04-11 19:02:03 by jwe]
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parents: 3531
diff changeset
340 static bool curr_on = false;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
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diff changeset
341
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
342 int tty_fd = STDIN_FILENO;
21910
4d723ba06b4a provide wrappers for some unistd.h functions
John W. Eaton <jwe@octave.org>
parents: 21888
diff changeset
343 if (! octave_isatty_wrapper (tty_fd))
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
344 {
22089
c2c668b3051b use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents: 22051
diff changeset
345 if (octave::application::interactive ()
c2c668b3051b use classes for octave application and interpreter
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parents: 22051
diff changeset
346 && ! octave::application::forced_interactive ())
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diff changeset
347 error ("stdin is not a tty!");
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
348 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
349
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
350 if (on == curr_on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
351 return;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
352
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
353 #if defined (HAVE_TERMIOS_H)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
354 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
355 struct termios s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
356 static struct termios save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
357
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
358 if (on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
359 {
10315
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parents: 10266
diff changeset
360 // Get terminal modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
361
10315
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parents: 10266
diff changeset
362 tcgetattr (tty_fd, &s);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
363
10315
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John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
364 // Save modes and set certain variables dependent on modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
365
10315
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parents: 10266
diff changeset
366 save_term = s;
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parents: 10266
diff changeset
367 // ospeed = s.c_cflag & CBAUD;
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
368 // erase_char = s.c_cc[VERASE];
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
369 // kill_char = s.c_cc[VKILL];
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
370
10315
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John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
371 // Set the modes to the way we want them.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
372
21662
5b9868c2e212 maint: Octave coding convention cleanups.
Rik <rik@octave.org>
parents: 21557
diff changeset
373 s.c_lflag &= ~(ICANON | ECHO | ECHOE | ECHOK | ECHONL);
5b9868c2e212 maint: Octave coding convention cleanups.
Rik <rik@octave.org>
parents: 21557
diff changeset
374 s.c_oflag |= (OPOST | ONLCR);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
375 #if defined (OCRNL)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
376 s.c_oflag &= ~(OCRNL);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
377 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
378 #if defined (ONOCR)
10315
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John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
379 s.c_oflag &= ~(ONOCR);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
380 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
381 #if defined (ONLRET)
10315
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John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
382 s.c_oflag &= ~(ONLRET);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
383 #endif
10315
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
384 s.c_cc[VMIN] = wait ? 1 : 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
385 s.c_cc[VTIME] = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
386 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
387 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
388 {
10315
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
389 // Restore saved modes.
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
390
10315
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
391 s = save_term;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
392 }
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
393
9411
c9636d98e5cd fix kbhit(1) to not discard waiting keystrokes
Joe Rothweiler <octaveuser@sensicomm.com>
parents: 9242
diff changeset
394 tcsetattr (tty_fd, wait ? TCSAFLUSH : TCSADRAIN, &s);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
395 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
396 #elif defined (HAVE_TERMIO_H)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
397 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
398 struct termio s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
399 static struct termio save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
400
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
401 if (on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
402 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
403 // Get terminal modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
404
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
405 ioctl (tty_fd, TCGETA, &s);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
406
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
407 // Save modes and set certain variables dependent on modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
408
10315
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
409 save_term = s;
57a59eae83cc untabify src C++ source files
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parents: 10266
diff changeset
410 // ospeed = s.c_cflag & CBAUD;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
411 // erase_char = s.c_cc[VERASE];
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
412 // kill_char = s.c_cc[VKILL];
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
413
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
414 // Set the modes to the way we want them.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
415
21662
5b9868c2e212 maint: Octave coding convention cleanups.
Rik <rik@octave.org>
parents: 21557
diff changeset
416 s.c_lflag &= ~(ICANON | ECHO | ECHOE | ECHOK | ECHONL);
5b9868c2e212 maint: Octave coding convention cleanups.
Rik <rik@octave.org>
parents: 21557
diff changeset
417 s.c_oflag |= (OPOST | ONLCR);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
418 #if defined (OCRNL)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
419 s.c_oflag &= ~(OCRNL);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
420 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
421 #if defined (ONOCR)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
422 s.c_oflag &= ~(ONOCR);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
423 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
424 #if defined (ONLRET)
10315
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John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
425 s.c_oflag &= ~(ONLRET);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
426 #endif
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
427 s.c_cc[VMIN] = wait ? 1 : 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
428 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
429 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
430 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
431 // Restore saved modes.
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
432
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
433 s = save_term;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
434 }
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
435
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
436 ioctl (tty_fd, TCSETAW, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
437 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
438 #elif defined (HAVE_SGTTY_H)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
439 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
440 struct sgttyb s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
441 static struct sgttyb save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
442
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
443 if (on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
444 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
445 // Get terminal modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
446
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
447 ioctl (tty_fd, TIOCGETP, &s);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
448
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
449 // Save modes and set certain variables dependent on modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
450
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
451 save_term = s;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
452 // ospeed = s.sg_ospeed;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
453 // erase_char = s.sg_erase;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
454 // kill_char = s.sg_kill;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
455
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
456 // Set the modes to the way we want them.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
457
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
458 s.sg_flags |= CBREAK;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
459 s.sg_flags &= ~(ECHO);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
460 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
461 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
462 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
463 // Restore saved modes.
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
464
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
465 s = save_term;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
466 }
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
467
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
468 ioctl (tty_fd, TIOCSETN, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
469 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
470 #else
21109
bd1752782e56 Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents: 21078
diff changeset
471 warn_disabled_feature ("", "raw mode console I/O");
4064
b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe]
jwe
parents: 3676
diff changeset
472
b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe]
jwe
parents: 3676
diff changeset
473 // Make sure the current mode doesn't toggle.
b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe]
jwe
parents: 3676
diff changeset
474 on = curr_on;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
475 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
476
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
477 curr_on = on;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
478 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
479
6726
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
480 FILE *
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
481 octave_popen (const char *command, const char *mode)
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
482 {
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
483 #if defined (__MINGW32__) || defined (_MSC_VER)
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
484 if (mode && mode[0] && ! mode[1])
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
485 {
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
486 char tmode[3];
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
487 tmode[0] = mode[0];
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
488 tmode[1] = 'b';
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
489 tmode[2] = 0;
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
490
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
491 return _popen (command, tmode);
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
492 }
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
493 else
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
494 return _popen (command, mode);
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
495 #else
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
496 return popen (command, mode);
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
497 #endif
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
498 }
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
499
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
500 int
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
501 octave_pclose (FILE *f)
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
502 {
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
503 #if defined (__MINGW32__) || defined (_MSC_VER)
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
504 return _pclose (f);
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
505 #else
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
506 return pclose (f);
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
507 #endif
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
508 }
6b7ba4a31876 [project @ 2007-06-14 20:16:44 by jwe]
jwe
parents: 6691
diff changeset
509
767
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
510 // Read one character from the terminal.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
511
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
512 int
4067
e97fb79fc1d5 [project @ 2002-09-26 22:43:25 by jwe]
jwe
parents: 4064
diff changeset
513 octave_kbhit (bool wait)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
514 {
20788
a2b96b523472 Rewrite a8ee668e7fd7 to use #if defined rather than #ifdef.
Rik <rik@octave.org>
parents: 20786
diff changeset
515 #if defined (HAVE__KBHIT) && defined (HAVE__GETCH)
20786
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
516 // This essentially means we are on a Windows system.
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
517 int c;
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
518
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
519 if (wait)
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
520 c = _getch ();
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
521 else
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
522 c = (! _kbhit ()) ? 0 : _getch ();
a8ee668e7fd7 Fix kbhit and pause on Windows systems.
Rik <rik@octave.org>
parents: 20181
diff changeset
523
4067
e97fb79fc1d5 [project @ 2002-09-26 22:43:25 by jwe]
jwe
parents: 4064
diff changeset
524 #else
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
525 raw_mode (true, wait);
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
526
5770
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
527 // Get current handler.
22051
6db928d06b07 move signal functions into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22019
diff changeset
528 octave::interrupt_handler saved_interrupt_handler
6db928d06b07 move signal functions into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22019
diff changeset
529 = octave::ignore_interrupts ();
5770
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
530
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
531 // Restore it, disabling system call restarts (if possible) so the
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
532 // read can be interrupted.
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
533
22051
6db928d06b07 move signal functions into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22019
diff changeset
534 octave::set_interrupt_handler (saved_interrupt_handler, false);
5770
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
535
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
536 int c = std::cin.get ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
537
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
538 if (std::cin.fail () || std::cin.eof ())
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
539 std::cin.clear ();
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
540
5770
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
541 // Restore it, enabling system call restarts (if possible).
22051
6db928d06b07 move signal functions into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22019
diff changeset
542 octave::set_interrupt_handler (saved_interrupt_handler, true);
5770
6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe]
jwe
parents: 5455
diff changeset
543
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
544 raw_mode (false, true);
4067
e97fb79fc1d5 [project @ 2002-09-26 22:43:25 by jwe]
jwe
parents: 4064
diff changeset
545 #endif
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
546
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
547 return c;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
548 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
549
12228
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
550 std::string
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
551 get_P_tmpdir (void)
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
552 {
21979
d04da18a407a use OCTAVE_USE_WINDOWS_API more consistently
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
553 #if defined (OCTAVE_USE_WINDOWS_API)
12228
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
554
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
555 std::string retval;
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
556
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
557 #if defined (P_tmpdir)
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
558 retval = P_tmpdir;
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
559 #endif
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
560
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
561 // Apparently some versions of MinGW and MSVC either don't define
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
562 // P_tmpdir, or they define it to a single backslash, neither of which
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
563 // is particularly helpful.
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
564
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
565 if (retval.empty () || retval == "\\")
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
566 {
21732
6a1eded90355 use namespace for system env class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
567 retval = octave::sys::env::getenv ("TEMP");
12228
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
568
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
569 if (retval.empty ())
21732
6a1eded90355 use namespace for system env class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
570 retval = octave::sys::env::getenv ("TMP");
12228
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
571
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
572 if (retval.empty ())
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
573 retval = "c:\\temp";
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
574 }
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
575
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
576 return retval;
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
577
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
578 #elif defined (P_tmpdir)
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
579
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
580 return P_tmpdir;
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
581
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
582 #else
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
583
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
584 return "/tmp";
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
585
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
586 #endif
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
587 }
0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
588
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
589 DEFUN (clc, , ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
590 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
591 @deftypefn {} {} clc ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
592 @deftypefnx {} {} home ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
593 Clear the terminal screen and move the cursor to the upper left corner.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
594 @end deftypefn */)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
595 {
16537
106a38d7b396 optionall disable redisplay in command editor clear screen function
John W. Eaton <jwe@octave.org>
parents: 16404
diff changeset
596 bool skip_redisplay = true;
106a38d7b396 optionall disable redisplay in command editor clear screen function
John W. Eaton <jwe@octave.org>
parents: 16404
diff changeset
597
21748
176536b15d68 use namespace for command_editor and command_history classes
John W. Eaton <jwe@octave.org>
parents: 21739
diff changeset
598 octave::command_editor::clear_screen (skip_redisplay);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
599
20941
a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents: 20940
diff changeset
600 return ovl ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
601 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
602
549
75a371805554 [project @ 1994-07-22 19:44:41 by jwe]
jwe
parents: 545
diff changeset
603 DEFALIAS (home, clc);
75a371805554 [project @ 1994-07-22 19:44:41 by jwe]
jwe
parents: 545
diff changeset
604
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
605 DEFUN (getenv, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
606 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
607 @deftypefn {} {} getenv (@var{var})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
608 Return the value of the environment variable @var{var}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
609
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
610 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
611
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
612 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
613 getenv ("PATH")
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
614 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
615
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
616 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
617 returns a string containing the value of your path.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
618 @seealso{setenv, unsetenv}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
619 @end deftypefn */)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
620 {
20819
f428cbe7576f eliminate unnecessary uses of nargin
John W. Eaton <jwe@octave.org>
parents: 20799
diff changeset
621 if (args.length () != 1)
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
622 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
623
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
624 std::string name = args(0).string_value ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
625
21732
6a1eded90355 use namespace for system env class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
626 return ovl (octave::sys::env::getenv (name));
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
627 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
628
19167
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
629 /*
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
630 %!assert (ischar (getenv ("OCTAVE_HOME")))
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
631 */
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
632
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
633 DEFUN (setenv, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
634 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
635 @deftypefn {} {} setenv (@var{var}, @var{value})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
636 @deftypefnx {} {} setenv (@var{var})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
637 @deftypefnx {} {} putenv (@dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
638 Set the value of the environment variable @var{var} to @var{value}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
639
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
640 If no @var{value} is specified then the variable will be assigned the null
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
641 string.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
642 @seealso{unsetenv, getenv}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
643 @end deftypefn */)
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
644 {
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
645 int nargin = args.length ();
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
646
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
647 if (nargin < 1 || nargin > 2)
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
648 print_usage ();
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
649
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
650 std::string var = args(0).xstring_value ("setenv: VAR must be a string");
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
651
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
652 std::string val = (nargin == 2
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
653 ? args(1).xstring_value ("setenv: VALUE must be a string")
21017
93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents: 20990
diff changeset
654 : "");
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20555
diff changeset
655
21732
6a1eded90355 use namespace for system env class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
656 octave::sys::env::putenv (var, val);
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
657
21078
49852ff04747 maint: Remove unnecessary declarations of retval.
Rik <rik@octave.org>
parents: 21017
diff changeset
658 return ovl ();
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
659 }
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
660
19167
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
661 DEFALIAS (putenv, setenv);
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
662
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
663 /*
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
664 %!test
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
665 %! setenv ("dummy_variable_that_cannot_matter", "foobar");
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
666 %! assert (getenv ("dummy_variable_that_cannot_matter"), "foobar");
19167
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
667 %! unsetenv ("dummy_variable_that_cannot_matter");
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
668 %! assert (getenv ("dummy_variable_that_cannot_matter"), "");
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
669 */
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
670
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
671 DEFUN (unsetenv, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
672 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
673 @deftypefn {} {@var{status} =} unsetenv (@var{var})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
674 Delete the environment variable @var{var}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
675
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
676 Return 0 if the variable was deleted, or did not exist, and -1 if an error
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
677 occurred.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
678 @seealso{setenv, getenv}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
679 @end deftypefn */)
19167
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
680 {
20819
f428cbe7576f eliminate unnecessary uses of nargin
John W. Eaton <jwe@octave.org>
parents: 20799
diff changeset
681 if (args.length () != 1)
19167
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
682 print_usage ();
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
683
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
684 std::string tmp = args(0).string_value ();
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
685
21888
00f1249f2483 create wrappers for some gnulib functions
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
686 return ovl (octave_unsetenv_wrapper (tmp.c_str ()));
19167
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
687 }
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
688
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
689 /*
6f0290863d50 Add new function unsetenv from gnulib to Octave.
Rik <rik@octave.org>
parents: 18674
diff changeset
690 ## Test for unsetenv is in setenv test
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
691 */
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
692
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
693 // FIXME: perhaps kbhit should also be able to print a prompt?
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3333
diff changeset
694
3657
a908150a3a32 [project @ 2000-04-11 19:02:03 by jwe]
jwe
parents: 3531
diff changeset
695 DEFUN (kbhit, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
696 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
697 @deftypefn {} {} kbhit ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
698 @deftypefnx {} {} kbhit (1)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
699 Read a single keystroke from the keyboard.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
700
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
701 If called with an argument, don't wait for a keypress.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
702
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
703 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
704
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
705 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
706 x = kbhit ();
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
707 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
708
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
709 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
710 will set @var{x} to the next character typed at the keyboard as soon as
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
711 it is typed.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
712
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
713 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
714 x = kbhit (1);
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
715 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
716
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
717 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
718 is identical to the above example, but doesn't wait for a keypress,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
719 returning the empty string if no key is available.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
720 @seealso{input, pause}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
721 @end deftypefn */)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
722 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4208
diff changeset
723 octave_value retval;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
724
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
725 // FIXME: add timeout and default value args?
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
726
22089
c2c668b3051b use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents: 22051
diff changeset
727 if (octave::application::interactive ())
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
728 {
15423
53d073233fa4 call more built-in functions directly
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
729 Fdrawnow ();
6423
a90b54016b12 [project @ 2007-03-21 13:15:03 by jwe]
jwe
parents: 6419
diff changeset
730
4067
e97fb79fc1d5 [project @ 2002-09-26 22:43:25 by jwe]
jwe
parents: 4064
diff changeset
731 int c = octave_kbhit (args.length () == 0);
3657
a908150a3a32 [project @ 2000-04-11 19:02:03 by jwe]
jwe
parents: 3531
diff changeset
732
3658
808f399398c9 [project @ 2000-04-11 19:45:44 by jwe]
jwe
parents: 3657
diff changeset
733 if (c == -1)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
734 c = 0;
3657
a908150a3a32 [project @ 2000-04-11 19:02:03 by jwe]
jwe
parents: 3531
diff changeset
735
16092
def3b111cff8 avoid gcc warning about int to char conversion
John W. Eaton <jwe@octave.org>
parents: 16053
diff changeset
736 char s[2] = { static_cast<char> (c), '\0' };
16015
d910b9211cca Plug memory leak in kbhit().
Rik <rik@octave.org>
parents: 15423
diff changeset
737
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
738 retval = s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
739 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
740
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
741 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
742 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
743
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
744 DEFUN (pause, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
745 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
746 @deftypefn {} {} pause ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
747 @deftypefnx {} {} pause (@var{n})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
748 Suspend the execution of the program for @var{n} seconds.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
749
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
750 If invoked without an input arguments then the program is suspended until a
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
751 character is typed.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
752
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
753 @var{n} is a positive real value and may be a fraction of a second,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
754 for example:
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
755
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
756 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
757 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
758 tic; pause (0.05); toc
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
759 @print{} Elapsed time is 0.05039 seconds.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
760 @end group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
761 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
762
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
763 The following example prints a message and then waits 5 seconds before
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
764 clearing the screen.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
765
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
766 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
767 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
768 disp ("wait please...");
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
769 pause (5);
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
770 clc;
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
771 @end group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
772 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
773
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
774 @seealso{kbhit}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
775 @end deftypefn */)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
776 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
777 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
778
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
779 if (nargin > 1)
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
780 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
781
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
782 if (nargin == 1)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
783 {
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
784 double dval = args(0).double_value ();
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
785
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21748
diff changeset
786 if (octave::math::isnan (dval))
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20923
diff changeset
787 warning ("pause: NaN is an invalid delay");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20923
diff changeset
788 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
789 {
20555
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20181
diff changeset
790 Fdrawnow ();
6419
73fcbac81f33 [project @ 2007-03-20 17:18:24 by jwe]
jwe
parents: 6208
diff changeset
791
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21748
diff changeset
792 if (octave::math::isinf (dval))
20555
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20181
diff changeset
793 {
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20181
diff changeset
794 flush_octave_stdout ();
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20181
diff changeset
795 octave_kbhit ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
796 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
797 else
20555
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20181
diff changeset
798 octave_sleep (dval);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10266
diff changeset
799 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
800 }
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
801 else
3234
be8e0ba13644 [project @ 1999-01-29 03:52:30 by jwe]
jwe
parents: 3124
diff changeset
802 {
15423
53d073233fa4 call more built-in functions directly
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
803 Fdrawnow ();
3234
be8e0ba13644 [project @ 1999-01-29 03:52:30 by jwe]
jwe
parents: 3124
diff changeset
804 flush_octave_stdout ();
4067
e97fb79fc1d5 [project @ 2002-09-26 22:43:25 by jwe]
jwe
parents: 4064
diff changeset
805 octave_kbhit ();
3234
be8e0ba13644 [project @ 1999-01-29 03:52:30 by jwe]
jwe
parents: 3124
diff changeset
806 }
2630
fdee6fe3e73b [project @ 1997-01-27 19:08:47 by jwe]
jwe
parents: 2610
diff changeset
807
20941
a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents: 20940
diff changeset
808 return ovl ();
2630
fdee6fe3e73b [project @ 1997-01-27 19:08:47 by jwe]
jwe
parents: 2610
diff changeset
809 }
fdee6fe3e73b [project @ 1997-01-27 19:08:47 by jwe]
jwe
parents: 2610
diff changeset
810
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
811 /*
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
812 %!test
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
813 %! pause (1);
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14160
diff changeset
814
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14160
diff changeset
815 %!error (pause (1, 2))
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
816 */
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
817
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
818 // FIXME: maybe this should only return 1 if IEEE floating
862
61d83ce7368c [project @ 1994-10-31 20:39:30 by jwe]
jwe
parents: 844
diff changeset
819 // point functions really work.
61d83ce7368c [project @ 1994-10-31 20:39:30 by jwe]
jwe
parents: 844
diff changeset
820
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
821 DEFUN (isieee, , ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
822 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
823 @deftypefn {} {} isieee ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
824 Return true if your computer @emph{claims} to conform to the IEEE standard
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
825 for floating point calculations.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
826
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
827 No actual tests are performed.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
828 @end deftypefn */)
862
61d83ce7368c [project @ 1994-10-31 20:39:30 by jwe]
jwe
parents: 844
diff changeset
829 {
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21736
diff changeset
830 octave::mach_info::float_format flt_fmt = octave::mach_info::native_float_format ();
2317
8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe]
jwe
parents: 2086
diff changeset
831
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21736
diff changeset
832 return ovl (flt_fmt == octave::mach_info::flt_fmt_ieee_little_endian
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21736
diff changeset
833 || flt_fmt == octave::mach_info::flt_fmt_ieee_big_endian);
862
61d83ce7368c [project @ 1994-10-31 20:39:30 by jwe]
jwe
parents: 844
diff changeset
834 }
61d83ce7368c [project @ 1994-10-31 20:39:30 by jwe]
jwe
parents: 844
diff changeset
835
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
836 /*
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14160
diff changeset
837 %!assert (islogical (isieee ()))
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
838 */
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
839
4600
3680bb30de0b [project @ 2003-11-12 18:25:53 by jwe]
jwe
parents: 4574
diff changeset
840 DEFUN (native_float_format, , ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
841 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
842 @deftypefn {} {} native_float_format ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
843 Return the native floating point format as a string.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
844 @end deftypefn */)
4600
3680bb30de0b [project @ 2003-11-12 18:25:53 by jwe]
jwe
parents: 4574
diff changeset
845 {
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21736
diff changeset
846 octave::mach_info::float_format flt_fmt = octave::mach_info::native_float_format ();
4600
3680bb30de0b [project @ 2003-11-12 18:25:53 by jwe]
jwe
parents: 4574
diff changeset
847
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21736
diff changeset
848 return ovl (octave::mach_info::float_format_as_string (flt_fmt));
4600
3680bb30de0b [project @ 2003-11-12 18:25:53 by jwe]
jwe
parents: 4574
diff changeset
849 }
3680bb30de0b [project @ 2003-11-12 18:25:53 by jwe]
jwe
parents: 4574
diff changeset
850
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
851 /*
14429
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14160
diff changeset
852 %!assert (ischar (native_float_format ()))
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
853 */
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
854
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
855 DEFUN (tilde_expand, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
856 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
857 @deftypefn {} {} tilde_expand (@var{string})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
858 @deftypefnx {} {} tilde_expand (@var{cellstr})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
859 Perform tilde expansion on @var{string}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
860
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
861 If @var{string} begins with a tilde character, (@samp{~}), all of the
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
862 characters preceding the first slash (or all characters, if there is no
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
863 slash) are treated as a possible user name, and the tilde and the following
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
864 characters up to the slash are replaced by the home directory of the named
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
865 user. If the tilde is followed immediately by a slash, the tilde is
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
866 replaced by the home directory of the user running Octave.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
867
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
868 If the input is a cell array of strings @var{cellstr} then tilde expansion
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
869 is performed on each string element.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
870
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
871 Examples:
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
872
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
873 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
874 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
875 tilde_expand ("~joeuser/bin")
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
876 @result{} "/home/joeuser/bin"
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
877 tilde_expand ("~/bin")
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
878 @result{} "/home/jwe/bin"
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
879 @end group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
880 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
881 @end deftypefn */)
1750
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
882 {
20819
f428cbe7576f eliminate unnecessary uses of nargin
John W. Eaton <jwe@octave.org>
parents: 20799
diff changeset
883 if (args.length () != 1)
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
884 print_usage ();
1750
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
885
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
886 octave_value arg = args(0);
6116
b64fb24bf4a0 [project @ 2006-10-27 18:04:49 by jwe]
jwe
parents: 6086
diff changeset
887
20990
fc9cca99b2de Deprecate all_strings, replace with string_vector_value.
Rik <rik@octave.org>
parents: 20961
diff changeset
888 string_vector sv = arg.xstring_vector_value ("tilde_expand: argument must be char or cellstr object");
6116
b64fb24bf4a0 [project @ 2006-10-27 18:04:49 by jwe]
jwe
parents: 6086
diff changeset
889
21733
cb0fdd941d84 use namespace for system file_ops class
John W. Eaton <jwe@octave.org>
parents: 21732
diff changeset
890 sv = octave::sys::file_ops::tilde_expand (sv);
20799
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
891
c349d4c91ce2 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20789
diff changeset
892 if (arg.is_cellstr ())
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20923
diff changeset
893 return ovl (Cell (arg.dims (), sv));
1750
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
894 else
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20923
diff changeset
895 return ovl (sv);
1750
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
896 }
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
897
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
898 /*
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
899 %!test
20016
47d420d769ba * sysdep.cc (Fget_home_directory): New function.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
900 %! home = get_home_directory ();
20064
ab7582167810 Fix failing BIST test for tilde_expand() on Windows (bug #44796).
Rik <rik@octave.org>
parents: 20024
diff changeset
901 %! assert (tilde_expand ("~/foobar"), [home "/foobar"]);
12825
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
902 %! assert (tilde_expand ("/foo/bar"), "/foo/bar");
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
903 %! assert (tilde_expand ("foo/bar"), "foo/bar");
a1dcb854a4f9 codesprint: new tests for sysdep.cc functions
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
904 */
17851
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
905
20016
47d420d769ba * sysdep.cc (Fget_home_directory): New function.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
906 DEFUN (get_home_directory, , ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
907 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
908 @deftypefn {} {@var{homedir} =} get_home_directory ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
909 Return the current home directory.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
910
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
911 On most systems, this is equivalent to @code{getenv ("HOME")}. On Windows
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
912 systems, if the environment variable @env{HOME} is not set then it is
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
913 equivalent to
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
914 @code{fullfile (getenv ("HOMEDRIVE"), getenv ("HOMEPATH"))}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
915 @seealso{getenv}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
916 @end deftypefn */)
20016
47d420d769ba * sysdep.cc (Fget_home_directory): New function.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
917 {
21732
6a1eded90355 use namespace for system env class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
918 return ovl (octave::sys::env::get_home_directory ());
20016
47d420d769ba * sysdep.cc (Fget_home_directory): New function.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
919 }
47d420d769ba * sysdep.cc (Fget_home_directory): New function.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
920
20024
cf9b94a89620 Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents: 20016
diff changeset
921 /*
cf9b94a89620 Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents: 20016
diff changeset
922 %!test
cf9b94a89620 Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents: 20016
diff changeset
923 %! if (! ispc ())
20181
aa36fb998a4d maint: Remove unnecessary whitespace at end of lines.
Rik <rik@octave.org>
parents: 20172
diff changeset
924 %! assert (get_home_directory (), getenv ("HOME"));
20024
cf9b94a89620 Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents: 20016
diff changeset
925 %! endif
cf9b94a89620 Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents: 20016
diff changeset
926 */
cf9b94a89620 Document get_home_directory in Octave manual and NEWS file.
Rik <rik@octave.org>
parents: 20016
diff changeset
927
17851
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
928 // This function really belongs in display.cc, but including defun.h in
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
929 // that file results in conflicts with symbols from headers that are
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
930 // needed for X11 and Carbon functions.
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
931
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
932 DEFUN (have_window_system, , ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
933 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
934 @deftypefn {} {} have_window_system ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
935 Return true if a window system is available (X11, Windows, or Apple OS X)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
936 and false otherwise.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
937 @seealso{isguirunning}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21949
diff changeset
938 @end deftypefn */)
17851
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
939 {
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20923
diff changeset
940 return ovl (display_info::display_available ());
17851
af685269e06c avoid symbol conflicts in display.cc
John W. Eaton <jwe@octave.org>
parents: 17787
diff changeset
941 }