annotate src/sysdep.cc @ 1750:fd0d12493223

[project @ 1996-01-13 09:31:07 by jwe]
author jwe
date Sat, 13 Jan 1996 09:31:07 +0000
parents a02f140ed897
children 3a9462b655f1
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1 // sysdep.cc -*- C++ -*-
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2 /*
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3
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4 Copyright (C) 1993, 1994, 1995 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, write to the Free
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21
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22 */
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23
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24 /*
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25
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26 The function gethostname was adapted from a similar function from GNU
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27 Bash, the Bourne Again SHell, copyright (C) 1987, 1989, 1991 Free
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28 Software Foundation, Inc.
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29
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30 */
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31
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32 #ifdef HAVE_CONFIG_H
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33 #include <config.h>
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34 #endif
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35
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36 #include <cfloat>
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37 #include <cmath>
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38 #include <cstddef>
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39 #include <cstdio>
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40 #include <cstdlib>
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41 #include <cstring>
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42
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43 #include <string>
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44
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45 #include <iostream.h>
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46
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47 #ifdef HAVE_UNISTD_H
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48 #include <sys/types.h>
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49 #include <unistd.h>
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50 #endif
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51
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52 #if defined (HAVE_TERMIOS_H)
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53 #include <termios.h>
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54 #elif defined (HAVE_TERMIO_H)
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55 #include <termio.h>
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56 #elif defined (HAVE_SGTTY_H)
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57 #include <sgtty.h>
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58 #else
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59 LOSE! LOSE!
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60 #endif
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61
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62 #if defined (HAVE_FLOATINGPOINT_H)
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63 #include <floatingpoint.h>
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64 #endif
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65
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66 #if !defined (HAVE_GETHOSTNAME) && defined (HAVE_SYS_UTSNAME_H)
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67 #include <sys/utsname.h>
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68 #endif
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69
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70 #include <readline/readline.h>
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71 #include <readline/tilde.h>
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72
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73 extern char *term_clrpag;
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74 extern "C" void _rl_output_character_function ();
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75
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76 #include "defun.h"
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77 #include "error.h"
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78 #include "f77-uscore.h"
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79 #include "help.h"
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80 #include "input.h"
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81 #include "mappers.h"
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82 #include "toplev.h"
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83 #include "sysdep.h"
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84 #include "pt-const.h"
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85 #include "oct-obj.h"
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86 #include "utils.h"
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87
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88 extern "C" double F77_FCN (d1mach, D1MACH) (const int&);
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89
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90 #ifndef STDIN_FILENO
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91 #define STDIN_FILENO 1
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92 #endif
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93
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94 // Octave's idea of infinity.
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95 double octave_Inf;
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96
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97 // Octave's idea of not a number.
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98 double octave_NaN;
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99
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100 // The floating point format on this system.
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101 floating_point_format native_float_format = OCTAVE_UNKNOWN_FLT_FMT;
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102
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103 // Nonzero if the machine we are running on is big-endian.
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104 int octave_words_big_endian;
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105
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106 #ifdef NeXT
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107 extern "C"
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108 {
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109 typedef void (*_cplus_fcn_int) (int);
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110 extern void (*malloc_error (_cplus_fcn_int)) (int);
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111 }
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112
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113 static void
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114 malloc_handler (int code)
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115 {
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116 if (code == 5)
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117 warning ("hopefully recoverable malloc error: freeing wild pointer");
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118 else
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119 {
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120 panic ("probably irrecoverable malloc error: code %d", code);
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121 }
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122 }
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123
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124 static void
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125 NeXT_init (void)
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126 {
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127 malloc_error (malloc_handler);
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128 }
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129 #endif
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130
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131 union equiv
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132 {
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133 double d;
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134 int i[2];
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135 };
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136
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137 struct float_params
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138 {
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139 floating_point_format fp_fmt;
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140 equiv fp_par[4];
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141 };
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142
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143 #define INIT_FLT_PAR(fp, fmt, sm1, sm2, lrg1, lrg2, rt1, rt2, dv1, dv2) \
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144 do \
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145 { \
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146 fp.fp_fmt = (fmt); \
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147 fp.fp_par[0].i[0] = (sm1); fp.fp_par[0].i[1] = (sm2); \
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148 fp.fp_par[1].i[0] = (lrg1); fp.fp_par[1].i[1] = (lrg2); \
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149 fp.fp_par[2].i[0] = (rt1); fp.fp_par[2].i[1] = (rt2); \
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150 fp.fp_par[3].i[0] = (dv1); fp.fp_par[3].i[1] = (dv2); \
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151 } \
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152 while (0)
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153
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154 static int
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155 equiv_compare (const equiv *std, const equiv *v, int len)
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156 {
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157 int i;
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158 for (i = 0; i < len; i++)
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159 if (v[i].i[0] != std[i].i[0] || v[i].i[1] != std[i].i[1])
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parents: 1192
diff changeset
160 return 0;
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
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parents: 1192
diff changeset
161 return 1;
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
162 }
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
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parents: 1192
diff changeset
163
444
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jwe
parents: 401
diff changeset
164 static void
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
165 octave_ieee_init (void)
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
166 {
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
167 #if defined (HAVE_ISINF) || defined (HAVE_FINITE)
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
168
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
169 // Some version of gcc on some old version of Linux used to crash when
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
170 // trying to make Inf and NaN.
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
171
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
172 #if defined (HAVE_INFINITY)
470
693d18604ccb [project @ 1994-06-06 08:48:27 by jwe]
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parents: 444
diff changeset
173 octave_Inf = (double) infinity ();
967
b228d6cd59a1 [project @ 1994-12-10 00:15:41 by jwe]
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parents: 959
diff changeset
174 #elif defined (linux)
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
175 octave_Inf = HUGE_VAL;
967
b228d6cd59a1 [project @ 1994-12-10 00:15:41 by jwe]
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parents: 959
diff changeset
176 #elif defined (__alpha__)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
177 extern unsigned int DINFINITY[2];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
178 octave_Inf = (*((double *) (DINFINITY)));
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parents: 505
diff changeset
179 #else
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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diff changeset
180 double tmp = 1e+10;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
181 octave_Inf = tmp;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
182 for (;;)
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
183 {
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
184 octave_Inf *= 1e+10;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
185 if (octave_Inf == tmp)
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
186 break;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
187 tmp = octave_Inf;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
188 }
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parents: 401
diff changeset
189 #endif
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
190
1384
083787534e18 [project @ 1995-09-13 08:25:37 by jwe]
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parents: 1363
diff changeset
191 #endif
083787534e18 [project @ 1995-09-13 08:25:37 by jwe]
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parents: 1363
diff changeset
192
083787534e18 [project @ 1995-09-13 08:25:37 by jwe]
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parents: 1363
diff changeset
193 #if defined (HAVE_ISNAN)
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parents: 1363
diff changeset
194
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
195 #if defined (HAVE_QUIET_NAN)
470
693d18604ccb [project @ 1994-06-06 08:48:27 by jwe]
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parents: 444
diff changeset
196 octave_NaN = (double) quiet_nan ();
967
b228d6cd59a1 [project @ 1994-12-10 00:15:41 by jwe]
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parents: 959
diff changeset
197 #elif defined (linux)
444
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parents: 401
diff changeset
198 octave_NaN = NAN;
967
b228d6cd59a1 [project @ 1994-12-10 00:15:41 by jwe]
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parents: 959
diff changeset
199 #elif defined (__alpha__)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
200 extern unsigned int DQNAN[2];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
201 octave_NaN = (*((double *) (DQNAN)));
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
202 #else
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
203 octave_NaN = octave_Inf / octave_Inf;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
204 #endif
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
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parents: 401
diff changeset
205
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
206 #endif
1226
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parents: 1192
diff changeset
207
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
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parents: 1192
diff changeset
208 float_params fp[5];
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parents: 1192
diff changeset
209
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
210 INIT_FLT_PAR (fp[0], OCTAVE_IEEE_BIG,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
211 1048576, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
212 2146435071, -1,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
213 1017118720, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
214 1018167296, 0);
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
215
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
216 INIT_FLT_PAR (fp[1], OCTAVE_IEEE_LITTLE,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
217 0, 1048576,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
218 -1, 2146435071,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
219 0, 1017118720,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
220 0, 1018167296);
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
221
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
222 INIT_FLT_PAR (fp[2], OCTAVE_VAX_D,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
223 128, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
224 -32769, -1,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
225 9344, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
226 9344, 0);
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
227
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
228 INIT_FLT_PAR (fp[3], OCTAVE_VAX_G,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
229 16, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
230 -32769, -1,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
231 15552, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
232 15552, 0);
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
233
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
234 INIT_FLT_PAR (fp[4], OCTAVE_UNKNOWN_FLT_FMT,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
235 0, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
236 0, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
237 0, 0,
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
238 0, 0);
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
239
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
240 equiv mach_fp_par[4];
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
241
1255
fa24599e3d2c [project @ 1995-04-11 17:49:27 by jwe]
jwe
parents: 1239
diff changeset
242 mach_fp_par[0].d = F77_FCN (d1mach, D1MACH) (1);
fa24599e3d2c [project @ 1995-04-11 17:49:27 by jwe]
jwe
parents: 1239
diff changeset
243 mach_fp_par[1].d = F77_FCN (d1mach, D1MACH) (2);
fa24599e3d2c [project @ 1995-04-11 17:49:27 by jwe]
jwe
parents: 1239
diff changeset
244 mach_fp_par[2].d = F77_FCN (d1mach, D1MACH) (3);
fa24599e3d2c [project @ 1995-04-11 17:49:27 by jwe]
jwe
parents: 1239
diff changeset
245 mach_fp_par[3].d = F77_FCN (d1mach, D1MACH) (4);
1226
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
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parents: 1192
diff changeset
246
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
247 int i = 0;
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
248 do
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jwe
parents: 1192
diff changeset
249 {
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
250 if (equiv_compare (fp[i].fp_par, mach_fp_par, 4))
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
251 {
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
252 native_float_format = fp[i].fp_fmt;
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
253 break;
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
254 }
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
255 }
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
256 while (fp[++i].fp_fmt != OCTAVE_UNKNOWN_FLT_FMT);
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
257
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
258 if (native_float_format == OCTAVE_UNKNOWN_FLT_FMT)
2457d4ba0691 [project @ 1995-04-10 00:41:14 by jwe]
jwe
parents: 1192
diff changeset
259 panic ("unrecognized floating point format!");
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
260 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
261
1415
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
262 static void
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
263 ten_little_endians (void)
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
264 {
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
265 // Are we little or big endian? From Harbison & Steele.
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
266
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
267 union
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
268 {
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
269 long l;
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
270 char c[sizeof (long)];
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
271 } u;
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
272
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
273 u.l = 1;
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
274
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
275 octave_words_big_endian = (u.c[sizeof (long) - 1] == 1);
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
276 }
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
277
505
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
278 #if defined (EXCEPTION_IN_MATH)
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
279 extern "C"
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
280 int
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
281 matherr (struct exception *x)
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
282 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
283 // Possibly print our own message someday. Should probably be
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
284 // user-switchable.
505
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
285
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
286 switch (x->type)
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
287 {
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
288 case DOMAIN:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
289 case SING:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
290 case OVERFLOW:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
291 case UNDERFLOW:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
292 case TLOSS:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
293 case PLOSS:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
294 default:
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
295 break;
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
296 }
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
297
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
298 // But don't print the system message.
505
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
299
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
300 return 1;
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
301 }
1466
2f85a175308f [project @ 1995-09-22 07:48:59 by jwe]
jwe
parents: 1465
diff changeset
302 #endif
505
f264c1454c2b [project @ 1994-07-09 06:02:45 by jwe]
jwe
parents: 470
diff changeset
303
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
304 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
305 sysdep_init (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
306 {
959
b527f7cdcc68 [project @ 1994-12-07 16:52:56 by jwe]
jwe
parents: 868
diff changeset
307 #if defined (__386BSD__) || defined (__FreeBSD__)
998
032fcf9f45a4 [project @ 1994-12-16 06:08:59 by jwe]
jwe
parents: 967
diff changeset
308 #if defined (HAVE_FLOATINGPOINT_H)
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
309 // Disable trapping on common exceptions.
401
0823483a6277 [project @ 1994-04-15 07:00:46 by jwe]
jwe
parents: 240
diff changeset
310 fpsetmask (~(FP_X_OFL|FP_X_INV|FP_X_DZ|FP_X_DNML|FP_X_UFL|FP_X_IMP));
0823483a6277 [project @ 1994-04-15 07:00:46 by jwe]
jwe
parents: 240
diff changeset
311 #endif
959
b527f7cdcc68 [project @ 1994-12-07 16:52:56 by jwe]
jwe
parents: 868
diff changeset
312 #endif
401
0823483a6277 [project @ 1994-04-15 07:00:46 by jwe]
jwe
parents: 240
diff changeset
313
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
314 #ifdef NeXT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
315 NeXT_init ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
316 #endif
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
317
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 401
diff changeset
318 octave_ieee_init ();
1415
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
319
f18474c64e72 [project @ 1995-09-15 10:09:57 by jwe]
jwe
parents: 1384
diff changeset
320 ten_little_endians ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
321 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
322
767
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
323 // Set terminal in raw mode. From less-177.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
324 //
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
325 // Change terminal to "raw mode", or restore to "normal" mode.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
326 // "Raw mode" means
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
327 // 1. An outstanding read will complete on receipt of a single keystroke.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
328 // 2. Input is not echoed.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
329 // 3. On output, \n is mapped to \r\n.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
330 // 4. \t is NOT expanded into spaces.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
331 // 5. Signal-causing characters such as ctrl-C (interrupt),
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
332 // etc. are NOT disabled.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
333 // 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
334
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
335 void
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
336 raw_mode (int on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
337 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
338 static int curr_on = 0;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
339
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
340 int tty_fd = STDIN_FILENO;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
341 if (! isatty (tty_fd))
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
342 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
343 if (interactive)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
344 error ("stdin is not a tty!");
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
345 return;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
346 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
347
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
348 if (on == curr_on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
349 return;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
350
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
351 #if defined (HAVE_TERMIOS_H)
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 struct termios s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
354 static struct termios save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
355
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
356 if (on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
357 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
358 // Get terminal modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
359
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
360 tcgetattr (tty_fd, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
361
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
362 // 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
363
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
364 save_term = s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
365 // ospeed = s.c_cflag & CBAUD;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
366 // erase_char = s.c_cc[VERASE];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
367 // kill_char = s.c_cc[VKILL];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
368
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
369 // 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
370
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
371 s.c_lflag &= ~(ICANON|ECHO|ECHOE|ECHOK|ECHONL);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
372 s.c_oflag |= (OPOST|ONLCR);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
373 #if defined (OCRNL)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
374 s.c_oflag &= ~(OCRNL);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
375 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
376 #if defined (ONOCR)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
377 s.c_oflag &= ~(ONOCR);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
378 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
379 #if defined (ONLRET)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
380 s.c_oflag &= ~(ONLRET);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
381 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
382 s.c_cc[VMIN] = 1;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
383 s.c_cc[VTIME] = 0;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
384 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
385 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
386 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
387 // Restore saved modes.
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
388
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
389 s = save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
390 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
391 tcsetattr (tty_fd, TCSAFLUSH, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
392 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
393 #elif defined (HAVE_TERMIO_H)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
394 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
395 struct termio s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
396 static struct termio save_term;
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 if (on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
399 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
400 // Get terminal modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
401
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
402 ioctl (tty_fd, TCGETA, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
403
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
404 // 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
405
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
406 save_term = s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
407 // ospeed = s.c_cflag & CBAUD;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
408 // erase_char = s.c_cc[VERASE];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
409 // kill_char = s.c_cc[VKILL];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
410
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
411 // 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
412
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
413 s.c_lflag &= ~(ICANON|ECHO|ECHOE|ECHOK|ECHONL);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
414 s.c_oflag |= (OPOST|ONLCR);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
415 #if defined (OCRNL)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
416 s.c_oflag &= ~(OCRNL);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
417 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
418 #if defined (ONOCR)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
419 s.c_oflag &= ~(ONOCR);
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 (ONLRET)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
422 s.c_oflag &= ~(ONLRET);
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 s.c_cc[VMIN] = 1;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
425 s.c_cc[VTIME] = 0;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
426 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
427 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
428 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
429 // Restore saved modes.
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
430
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
431 s = save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
432 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
433 ioctl (tty_fd, TCSETAW, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
434 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
435 #elif defined (HAVE_SGTTY_H)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
436 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
437 struct sgttyb s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
438 static struct sgttyb save_term;
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 if (on)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
441 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
442 // Get terminal modes.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
443
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
444 ioctl (tty_fd, TIOCGETP, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
445
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
446 // 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
447
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
448 save_term = s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
449 // ospeed = s.sg_ospeed;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
450 // erase_char = s.sg_erase;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
451 // kill_char = s.sg_kill;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
452
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
453 // 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
454
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
455 s.sg_flags |= CBREAK;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
456 s.sg_flags &= ~(ECHO);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
457 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
458 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
459 {
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
460 // Restore saved modes.
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
461
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
462 s = save_term;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
463 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
464 ioctl (tty_fd, TIOCSETN, &s);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
465 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
466 #else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
467 LOSE! LOSE!
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
468 #endif
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 curr_on = on;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
471 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
472
767
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
473 // Read one character from the terminal.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe]
jwe
parents: 712
diff changeset
474
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
475 int
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
476 kbhit (void)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
477 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
478 int c;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
479 raw_mode (1);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
480 c = cin.get ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
481 raw_mode (0);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
482 return c;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
483 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
484
1111
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
485 char *
1126
abd78a3dd93d [project @ 1995-02-22 00:46:40 by jwe]
jwe
parents: 1113
diff changeset
486 octave_getcwd (char *buf, int len)
1111
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
487 {
1113
32a5dfd92f0a [project @ 1995-02-15 04:29:49 by jwe]
jwe
parents: 1111
diff changeset
488 #if defined (__EMX__)
1111
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
489 return _getcwd2 (buf, len);
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
490 #else
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
491 return getcwd (buf, len);
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
492 #endif
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
493 }
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
494
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
495 int
1128
0af307affbc6 [project @ 1995-02-22 01:32:11 by jwe]
jwe
parents: 1126
diff changeset
496 octave_chdir (const char *path)
1111
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
497 {
1113
32a5dfd92f0a [project @ 1995-02-15 04:29:49 by jwe]
jwe
parents: 1111
diff changeset
498 #if defined (__EMX__)
1111
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
499 int retval = -1;
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
500
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
501 if (strlen (path) == 2 && path[1] == ':')
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
502 {
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
503 char *upper_case_dir_name = strupr (path);
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
504 _chdrive (upper_case_dir_name[0]);
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
505 if (_getdrive () == upper_case_dir_name[0])
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
506 retval = _chdir2 ("/");
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
507 }
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
508 else
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
509 retval = _chdir2 (path);
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
510
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
511 return retval;
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
512 #else
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
513 return chdir (path);
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
514 #endif
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
515 }
2a36b558ab55 [project @ 1995-02-15 04:01:38 by jwe]
jwe
parents: 1086
diff changeset
516
1488
89c587478067 [project @ 1995-09-26 22:49:48 by jwe]
jwe
parents: 1467
diff changeset
517 DEFUN ("clc", Fclc, Sclc, 00,
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
518 "clc (): clear screen")
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
519 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
520 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
521
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
522 rl_beg_of_line ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
523 rl_kill_line (1);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
524
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
525 #if ! defined (_GO32_)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
526 if (term_clrpag)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
527 tputs (term_clrpag, 1, _rl_output_character_function);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
528 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
529 crlf ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
530 #else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
531 crlf ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
532 #endif
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
533
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
534 fflush (rl_outstream);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
535
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
536 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
537 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
538
549
75a371805554 [project @ 1994-07-22 19:44:41 by jwe]
jwe
parents: 545
diff changeset
539 DEFALIAS (home, clc);
75a371805554 [project @ 1994-07-22 19:44:41 by jwe]
jwe
parents: 545
diff changeset
540
1488
89c587478067 [project @ 1995-09-26 22:49:48 by jwe]
jwe
parents: 1467
diff changeset
541 DEFUN ("getenv", Fgetenv, Sgetenv, 10,
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
542 "getenv (STRING): get environment variable values")
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
543 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
544 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
545
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
546 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
547
712
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe]
jwe
parents: 661
diff changeset
548 if (nargin == 1)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
549 {
1728
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
550 string tstr = args(0).string_value ();
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
551 const char *name = tstr.c_str ();
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
552
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
553 if (! error_state)
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
554 {
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
555 char *value = getenv (name);
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
556 if (value)
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
557 retval = value;
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
558 else
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
559 retval = "";
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
560 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
561 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
562 else
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
563 print_usage ("getenv");
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
564
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
565 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
566 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
567
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
568 DEFUN ("putenv", Fputenv, Sputenv, 10,
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
569 "putenv (VAR, VALUE): define environment variable VAR=VALUE")
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
570 {
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
571 Octave_object retval;
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
572
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
573 int nargin = args.length ();
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
574
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
575 if (nargin == 2)
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
576 {
1728
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
577 string tstr1 = args(0).string_value ();
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
578 const char *var = tstr1.c_str ();
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
579
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
580 if (! error_state)
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
581 {
1728
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
582 string tstr2 = args(1).string_value ();
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1711
diff changeset
583 const char *val = tstr2.c_str ();
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
584
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
585 if (! error_state)
1711
4d552a89ceaa [project @ 1996-01-08 01:12:38 by jwe]
jwe
parents: 1706
diff changeset
586 oct_putenv (var, val);
1706
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
587 else
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
588 error ("putenv: second argument should be a string");
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
589 }
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
590 else
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
591 error ("putenv: first argument should be a string");
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
592 }
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
593 else
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
594 print_usage ("putenv");
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
595
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
596 return retval;
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
597 }
6bb0c67bbf24 [project @ 1996-01-07 05:40:05 by jwe]
jwe
parents: 1670
diff changeset
598
1488
89c587478067 [project @ 1995-09-26 22:49:48 by jwe]
jwe
parents: 1467
diff changeset
599 DEFUN ("kbhit", Fkbhit, Skbhit, 00,
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
600 "kbhit: get a single character from the terminal")
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 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
603
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
604 // XXX FIXME XXX -- add timeout and default value args?
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
605
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
606 if (interactive)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
607 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
608 int c = kbhit ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
609 char *s = new char [2];
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
610 s[0] = c;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
611 s[1] = '\0';
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
612 retval = s;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
613 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
614
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
615 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
616 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
617
1488
89c587478067 [project @ 1995-09-26 22:49:48 by jwe]
jwe
parents: 1467
diff changeset
618 DEFUN ("pause", Fpause, Spause, 10,
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
619 "pause (seconds): suspend program execution")
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
620 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
621 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
622
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
623 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
624
712
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe]
jwe
parents: 661
diff changeset
625 if (! (nargin == 0 || nargin == 1))
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
626 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
627 print_usage ("pause");
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
628 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
629 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
630
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
631 if (nargin == 1)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
632 {
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
633 double dval = args(0).double_value ();
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 610
diff changeset
634
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
635 if (! error_state)
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
636 {
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
637 if (xisnan (dval))
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
638 warning ("pause: NaN is an invalid delay");
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
639 else
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
640 {
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
641 int delay = NINT (dval);
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
642 if (delay > 0)
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
643 sleep (delay);
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
644 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
645 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 505
diff changeset
646 }
1579
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
647 else
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
648 {
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
diff changeset
649 if (kbhit () == EOF)
972ce8b5a757 [project @ 1995-10-19 06:39:35 by jwe]
jwe
parents: 1488
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650 clean_up_and_exit (0);
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651 }
529
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652
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653 return retval;
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654 }
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655
862
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656 // XXX FIXME XXX -- maybe this should only return 1 if IEEE floating
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657 // point functions really work.
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658
1488
89c587478067 [project @ 1995-09-26 22:49:48 by jwe]
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659 DEFUN ("isieee", Fisieee, Sisieee, 00,
862
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660 "isieee (): return 1 if host uses IEEE floating point")
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661 {
1226
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662 return (double) (native_float_format == OCTAVE_IEEE_LITTLE
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663 || native_float_format == OCTAVE_IEEE_BIG);
862
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diff changeset
664 }
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665
529
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666 #if !defined (HAVE_GETHOSTNAME) && defined (HAVE_SYS_UTSNAME_H)
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667 int
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668 gethostname (char *name, int namelen)
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669 {
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670 int i;
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671 struct utsname ut;
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672
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673 --namelen;
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674
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675 uname (&ut);
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676 i = strlen (ut.nodename) + 1;
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677 strncpy (name, ut.nodename, i < namelen ? i : namelen);
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678 name[namelen] = '\0';
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679
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680 return 0;
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681 }
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682 #endif
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683
1750
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diff changeset
684 // The check for error state allows us to do this:
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diff changeset
685 //
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686 // string foo = oct_tilde_expand (args(0).string_value ());
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diff changeset
687 //
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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688 // without having to use a temporary and check error_state before
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
689 // calling oct_tilde_expand.
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
690
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parents: 1742
diff changeset
691 string
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parents: 1742
diff changeset
692 oct_tilde_expand (const string& name)
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
693 {
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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diff changeset
694 string retval;
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parents: 1742
diff changeset
695
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
696 if (! error_state)
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parents: 1742
diff changeset
697 {
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parents: 1742
diff changeset
698 char *tmp = tilde_expand (name.c_str ());
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
699 retval = tmp;
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parents: 1742
diff changeset
700 delete [] tmp;
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parents: 1742
diff changeset
701 }
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parents: 1742
diff changeset
702
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parents: 1742
diff changeset
703 return retval;
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parents: 1742
diff changeset
704 }
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parents: 1742
diff changeset
705
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parents: 1742
diff changeset
706 DEFUN ("tilde_expand", Ftilde_expand, Stilde_expand, 10,
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parents: 1742
diff changeset
707 "tilde_expand (STRING): perform tilde expansion on STRING")
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
708 {
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
709 Octave_object retval;
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
jwe
parents: 1742
diff changeset
710
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
711 int nargin = args.length ();
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parents: 1742
diff changeset
712
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parents: 1742
diff changeset
713 if (nargin == 1)
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parents: 1742
diff changeset
714 retval = oct_tilde_expand (args(0).string_value ());
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parents: 1742
diff changeset
715 else
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
716 print_usage ("tilde_expand");
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
717
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parents: 1742
diff changeset
718 return retval;
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
719 }
fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe]
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parents: 1742
diff changeset
720
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 505
diff changeset
721 /*
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
722 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
723 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
724 ;;; page-delimiter: "^/\\*" ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
725 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
726 */