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1 // user-prefs.cc -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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240
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <string.h> |
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29 |
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30 #include "user-prefs.h" |
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31 #include "mappers.h" |
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32 #include "error.h" |
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33 #include "variables.h" |
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34 #include "utils.h" |
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35 |
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36 // The list of user preferences. Values change when global variables |
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37 // change, so we don\'t have to do a variable look up every time we |
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38 // need to check a preference. |
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39 user_preferences user_pref; |
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40 |
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720
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41 // Initialize global user_pref structure. |
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42 |
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43 void |
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44 init_user_prefs (void) |
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45 { |
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46 user_pref.automatic_replot = 0; |
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47 user_pref.define_all_return_values = 0; |
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48 user_pref.do_fortran_indexing = 0; |
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49 user_pref.empty_list_elements_ok = 0; |
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50 user_pref.ignore_function_time_stamp = 0; |
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51 user_pref.implicit_str_to_num_ok = 0; |
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52 user_pref.ok_to_lose_imaginary_part = 0; |
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53 user_pref.output_max_field_width = 0; |
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54 user_pref.output_precision = 0; |
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55 user_pref.page_screen_output = 0; |
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56 user_pref.prefer_column_vectors = 0; |
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57 user_pref.prefer_zero_one_indexing = 0; |
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58 user_pref.print_answer_id_name = 0; |
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59 user_pref.print_empty_dimensions = 0; |
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60 user_pref.propagate_empty_matrices = 0; |
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61 user_pref.read_only_constants = 1; |
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62 user_pref.resize_on_range_error = 0; |
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63 user_pref.return_last_computed_value = 0; |
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64 user_pref.save_precision = 0; |
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65 user_pref.silent_functions = 0; |
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66 user_pref.split_long_rows = 0; |
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67 user_pref.struct_levels_to_print = 0; |
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68 user_pref.suppress_verbose_help_message = 0; |
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69 user_pref.treat_neg_dim_as_zero = 0; |
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70 user_pref.warn_assign_as_truth_value = 0; |
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71 user_pref.warn_comma_in_global_decl = 0; |
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72 user_pref.warn_divide_by_zero = 0; |
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73 user_pref.warn_function_name_clash = 0; |
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74 user_pref.whitespace_in_literal_matrix = 0; |
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75 |
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76 user_pref.default_save_format = 0; |
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77 user_pref.editor = 0; |
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78 user_pref.gnuplot_binary = 0; |
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79 user_pref.imagepath = 0; |
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80 user_pref.info_file = 0; |
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81 user_pref.loadpath = 0; |
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82 user_pref.pager_binary = 0; |
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83 user_pref.ps1 = 0; |
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84 user_pref.ps2 = 0; |
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85 user_pref.ps4 = 0; |
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86 user_pref.pwd = 0; |
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87 } |
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88 |
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89 // Check the value of a string variable to see if it it's ok to do |
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90 // something. |
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91 // |
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92 // return of 1 => always ok. |
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93 // return of 0 => never ok. |
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94 // return of -1 => ok, but give me warning (default). |
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95 |
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96 static int |
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97 check_str_pref (char *var) |
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98 { |
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99 char *val = builtin_string_variable (var); |
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100 int pref = -1; |
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101 if (val) |
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102 { |
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103 if (strncmp (val, "yes", 3) == 0 |
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104 || strncmp (val, "true", 4) == 0) |
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105 pref = 1; |
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106 else if (strncmp (val, "never", 5) == 0 |
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107 || strncmp (val, "no", 2) == 0 |
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108 || strncmp (val, "false", 5) == 0) |
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109 pref = 0; |
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110 } |
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111 return pref; |
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112 } |
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113 |
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114 // XXX FIXME XXX -- some of these should do their own checking to be |
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115 // able to provide more meaningful warning or error messages. |
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116 |
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661
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117 // Should a replot command be generated automatically each time a plot |
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118 // changes in some way? |
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119 |
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120 int |
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121 automatic_replot (void) |
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122 { |
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123 user_pref.automatic_replot = check_str_pref ("automatic_replot"); |
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124 |
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125 return 0; |
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126 } |
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127 |
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128 |
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129 // Should variables returned from functions have default values if |
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130 // they are otherwise uninitialized? |
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131 |
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430
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132 int |
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133 define_all_return_values (void) |
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430
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134 { |
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135 user_pref.define_all_return_values = |
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136 check_str_pref ("define_all_return_values"); |
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137 |
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430
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138 return 0; |
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139 } |
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140 |
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141 |
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142 // Should we allow assignments like: |
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143 // |
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144 // octave> A(1) = 3; A(2) = 5 |
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145 // |
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146 // for A already defined and a matrix type? |
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147 |
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148 int |
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149 do_fortran_indexing (void) |
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150 { |
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151 user_pref.do_fortran_indexing = |
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152 check_str_pref ("do_fortran_indexing"); |
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153 |
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154 return 0; |
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155 } |
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156 |
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157 |
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158 // Should ignore empty elements in a matrix list (i.e., is an |
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159 // expression like `[[], 1]' ok? |
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160 |
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161 int |
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162 empty_list_elements_ok (void) |
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163 { |
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164 user_pref.empty_list_elements_ok = |
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165 check_str_pref ("empty_list_elements_ok"); |
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166 |
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167 return 0; |
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168 } |
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169 |
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170 |
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171 // Should Octave always check to see if function files have changed |
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172 // since they were last compiled? |
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173 |
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430
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174 int |
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175 ignore_function_time_stamp (void) |
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176 { |
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177 int pref = 0; |
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178 |
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179 char *val = builtin_string_variable ("ignore_function_time_stamp"); |
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180 |
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181 if (val) |
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430
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182 { |
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183 if (strncmp (val, "all", 3) == 0) |
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184 pref = 2; |
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185 if (strncmp (val, "system", 6) == 0) |
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186 pref = 1; |
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187 } |
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188 |
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189 user_pref.ignore_function_time_stamp = pref; |
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190 |
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191 return 0; |
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192 } |
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193 |
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194 |
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195 // Should we allow things like: |
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196 // |
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197 // octave> 'abc' + 0 |
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198 // 97 98 99 |
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199 // |
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200 // to happen? |
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201 |
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202 int |
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203 implicit_str_to_num_ok (void) |
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204 { |
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205 user_pref.implicit_str_to_num_ok = |
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206 check_str_pref ("implicit_str_to_num_ok"); |
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207 |
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208 return 0; |
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209 } |
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210 |
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211 |
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212 // Should we allow silent conversion of complex to real when a real |
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213 // type is what we\'re really looking for? |
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214 |
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215 int |
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216 ok_to_lose_imaginary_part (void) |
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217 { |
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218 user_pref.ok_to_lose_imaginary_part = |
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219 check_str_pref ("ok_to_lose_imaginary_part"); |
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220 |
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221 return 0; |
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222 } |
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223 |
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224 |
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225 // If possible, send all output intended for the screen through the |
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226 // pager. |
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227 |
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430
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228 int |
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229 page_screen_output (void) |
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230 { |
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231 user_pref.page_screen_output = check_str_pref ("page_screen_output"); |
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232 |
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233 return 0; |
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234 } |
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235 |
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236 |
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237 // When doing assignments like: |
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238 // |
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239 // octave> A(1) = 3; A(2) = 5 |
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240 // |
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241 // (for A undefined) should we build column vectors? Returning true |
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242 // only matters when resize_on_range_error is also true. |
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243 |
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244 int |
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245 prefer_column_vectors (void) |
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246 { |
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247 user_pref.prefer_column_vectors = |
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248 check_str_pref ("prefer_column_vectors"); |
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249 |
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250 return 0; |
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251 } |
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252 |
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253 |
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254 // For things like |
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255 // |
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256 // a = [2,3]; a([1,1]) |
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257 // |
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258 // return [2 3] instead of [2 2]. |
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259 |
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260 int |
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261 prefer_zero_one_indexing (void) |
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262 { |
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263 user_pref.prefer_zero_one_indexing = |
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264 check_str_pref ("prefer_zero_one_indexing"); |
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265 |
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266 return 0; |
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267 } |
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268 |
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269 |
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270 // Should we print things like |
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271 // |
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272 // octave> a = [1,2;3,4] |
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273 // a = |
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274 // |
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275 // 1 2 |
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276 // 3 4 |
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277 |
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278 int |
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279 print_answer_id_name (void) |
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280 { |
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281 user_pref.print_answer_id_name = |
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282 check_str_pref ("print_answer_id_name"); |
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283 |
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284 return 0; |
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285 } |
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286 |
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287 |
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288 // Should we also print the dimensions of empty matrices? |
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289 |
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290 int |
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291 print_empty_dimensions (void) |
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292 { |
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293 user_pref.print_empty_dimensions = |
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294 check_str_pref ("print_empty_dimensions"); |
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295 |
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296 return 0; |
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297 } |
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298 |
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299 |
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300 // Should operations on empty matrices return empty matrices or an |
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301 // error? |
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302 |
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303 int |
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304 propagate_empty_matrices (void) |
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305 { |
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306 user_pref.propagate_empty_matrices = |
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307 check_str_pref ("propagate_empty_matrices"); |
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308 |
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309 return 0; |
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310 } |
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311 |
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312 // Should built-in constants always be read only? |
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313 |
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314 int |
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315 read_only_constants (void) |
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316 { |
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317 user_pref.read_only_constants = check_str_pref ("read_only_constants"); |
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318 |
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319 return 0; |
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320 } |
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321 |
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322 // When doing assignments, should we resize matrices if the indices |
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323 // are outside the current bounds? |
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324 |
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325 int |
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326 resize_on_range_error (void) |
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327 { |
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328 user_pref.resize_on_range_error = |
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329 check_str_pref ("resize_on_range_error"); |
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330 |
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331 return 0; |
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332 } |
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333 |
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334 |
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335 // If a function does not return any values explicitly, return the |
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336 // last computed value. |
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337 |
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338 int |
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339 return_last_computed_value (void) |
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340 { |
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341 user_pref.return_last_computed_value = |
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342 check_str_pref ("return_last_computed_value"); |
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343 |
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344 return 0; |
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345 } |
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346 |
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347 |
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348 // Suppress printing results in called functions. |
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349 |
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350 int |
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351 silent_functions (void) |
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352 { |
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353 user_pref.silent_functions = |
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354 check_str_pref ("silent_functions"); |
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355 |
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356 return 0; |
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357 } |
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358 |
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661
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359 |
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360 // Should should big matrices be split into smaller slices for output? |
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361 |
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362 int |
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363 split_long_rows (void) |
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364 { |
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365 user_pref.split_long_rows = check_str_pref ("split_long_rows"); |
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366 |
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367 return 0; |
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368 } |
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369 |
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661
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370 |
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371 // How many levels of structure elements should we print? |
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372 |
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373 int |
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374 struct_levels_to_print (void) |
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375 { |
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376 int status = 0; |
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377 |
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378 static int kludge = 0; |
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379 |
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380 double val; |
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381 if (builtin_real_scalar_variable ("struct_levels_to_print", val) == 0 |
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382 && ! xisnan (val)) |
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383 { |
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384 int ival = NINT (val); |
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385 if (ival >= 0 && (double) ival == val) |
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386 { |
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387 user_pref.struct_levels_to_print = ival; |
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388 return status; |
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389 } |
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390 } |
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391 |
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392 if (kludge == 0) |
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393 kludge++; |
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394 else |
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395 { |
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396 warning ("invalid value specified for struct_levels_to_print"); |
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397 status = -1; |
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398 } |
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399 |
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400 return status; |
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401 } |
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402 |
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403 |
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404 // Suppress printing of additional help message in help and usage |
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405 // functions? |
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406 |
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407 int |
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408 suppress_verbose_help_message (void) |
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409 { |
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410 user_pref.suppress_verbose_help_message = |
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411 check_str_pref ("suppress_verbose_help_message"); |
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412 |
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413 return 0; |
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414 } |
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415 |
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416 |
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661
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417 // Should things like: |
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418 // |
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419 // octave> ones (-1, 5) |
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420 // |
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421 // result in an empty matrix or an error? |
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422 |
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1
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423 int |
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424 treat_neg_dim_as_zero (void) |
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425 { |
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426 user_pref.treat_neg_dim_as_zero = |
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427 check_str_pref ("treat_neg_dim_as_zero"); |
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428 |
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429 return 0; |
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430 } |
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431 |
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661
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432 |
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433 // Generate a warning for the assignment in things like |
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434 // |
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435 // octave> if (a = 2 < n) |
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436 // |
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437 // but not |
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438 // |
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439 // octave> if ((a = 2) < n) |
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440 |
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430
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441 int |
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442 warn_assign_as_truth_value (void) |
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443 { |
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444 user_pref.warn_assign_as_truth_value = |
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445 check_str_pref ("warn_assign_as_truth_value"); |
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446 |
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447 return 0; |
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448 } |
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449 |
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661
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450 |
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451 // Generate a warning for the comma in things like |
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452 // |
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453 // octave> global a, b = 2 |
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454 |
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1
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455 int |
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456 warn_comma_in_global_decl (void) |
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457 { |
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458 user_pref.warn_comma_in_global_decl = |
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459 check_str_pref ("warn_comma_in_global_decl"); |
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460 |
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461 return 0; |
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462 } |
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463 |
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661
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464 |
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465 // On IEEE machines, allow divide by zero errors to be suppressed. |
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466 |
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1
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467 int |
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468 warn_divide_by_zero (void) |
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469 { |
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470 user_pref.warn_divide_by_zero = check_str_pref ("warn_divide_by_zero"); |
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471 |
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472 return 0; |
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473 } |
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474 |
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1037
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475 // Generate warning if declared function name disagrees with the name |
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476 // of the file in which it is defined. |
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477 |
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478 int |
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479 warn_function_name_clash (void) |
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480 { |
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481 user_pref.warn_function_name_clash = |
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482 check_str_pref ("warn_function_name_clash"); |
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483 |
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484 return 0; |
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485 } |
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486 |
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1093
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487 |
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488 // Should whitespace in a literal matrix list be automatically |
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489 // converted to commas and semicolons? |
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490 // |
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491 // user specifies value of pref |
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492 // -------------- ------------- |
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493 // "ignore" 2 |
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494 // "traditional" 1 |
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495 // anything else 0 |
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496 // |
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497 // Octave will never insert a comma in a literal matrix list if the |
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498 // user specifies "ignore". For example, the statement [1 2] will |
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499 // result in an error instead of being treated the same as [1, 2], and |
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500 // the statement |
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501 // |
|
|
502 // [ 1, 2, |
|
|
503 // 3, 4 ] |
|
|
504 // |
|
|
505 // will result in the vector [1 2 3 4] instead of a matrix. |
|
|
506 // |
|
|
507 // Traditional behavior makes Octave convert spaces to a comma between |
|
|
508 // identifiers and `('. For example, the statement |
|
|
509 // |
|
|
510 // [eye (2)] |
|
|
511 // |
|
|
512 // will be parsed as |
|
|
513 // |
|
|
514 // [eye, (2)] |
|
|
515 // |
|
|
516 // and will result in an error since the `eye' function will be |
|
|
517 // called with no arguments. To get around this, you would have to |
|
|
518 // omit the space between `eye' and the `('. |
|
|
519 // |
|
|
520 // The default value is 0, which results in behavior that is the same |
|
|
521 // as traditional, except that Octave does not convert spaces to a |
|
|
522 // comma between identifiers and `('. For example, the statement |
|
|
523 // |
|
|
524 // [eye (2)] |
|
|
525 // |
|
|
526 // will result in a call to `eye' with the argument `2'. |
|
|
527 |
|
|
528 int |
|
|
529 whitespace_in_literal_matrix (void) |
|
|
530 { |
|
|
531 int pref = 0; |
|
|
532 char *val = builtin_string_variable ("whitespace_in_literal_matrix"); |
|
|
533 if (val) |
|
|
534 { |
|
|
535 if (strncmp (val, "ignore", 6) == 0) |
|
|
536 pref = 2; |
|
|
537 else if (strncmp (val, "traditional", 11) == 0) |
|
|
538 pref = 1; |
|
|
539 } |
|
|
540 user_pref.whitespace_in_literal_matrix = pref; |
|
|
541 return 0; |
|
|
542 } |
|
|
543 |
|
|
544 |
|
1
|
545 int |
|
|
546 set_output_max_field_width (void) |
|
|
547 { |
|
|
548 int status = 0; |
|
|
549 |
|
|
550 static int kludge = 0; |
|
|
551 |
|
|
552 double val; |
|
1086
|
553 if (builtin_real_scalar_variable ("output_max_field_width", val) == 0 |
|
|
554 && ! xisnan (val)) |
|
1
|
555 { |
|
|
556 int ival = NINT (val); |
|
|
557 if (ival > 0 && (double) ival == val) |
|
|
558 { |
|
1198
|
559 user_pref.output_max_field_width = ival; |
|
1
|
560 return status; |
|
|
561 } |
|
|
562 } |
|
|
563 |
|
|
564 if (kludge == 0) |
|
|
565 kludge++; |
|
|
566 else |
|
|
567 { |
|
|
568 warning ("invalid value specified for output_max_field_width"); |
|
|
569 status = -1; |
|
|
570 } |
|
|
571 |
|
|
572 return status; |
|
|
573 } |
|
|
574 |
|
|
575 int |
|
|
576 set_output_precision (void) |
|
|
577 { |
|
|
578 int status = 0; |
|
|
579 |
|
|
580 static int kludge = 0; |
|
|
581 |
|
|
582 double val; |
|
1086
|
583 if (builtin_real_scalar_variable ("output_precision", val) == 0 |
|
|
584 && ! xisnan (val)) |
|
1
|
585 { |
|
|
586 int ival = NINT (val); |
|
|
587 if (ival >= 0 && (double) ival == val) |
|
|
588 { |
|
|
589 user_pref.output_precision = ival; |
|
|
590 return status; |
|
|
591 } |
|
|
592 } |
|
|
593 |
|
|
594 if (kludge == 0) |
|
|
595 kludge++; |
|
|
596 else |
|
|
597 { |
|
|
598 warning ("invalid value specified for output_precision"); |
|
|
599 status = -1; |
|
|
600 } |
|
|
601 |
|
|
602 return status; |
|
|
603 } |
|
|
604 |
|
|
605 int |
|
275
|
606 set_save_precision (void) |
|
|
607 { |
|
|
608 int status = 0; |
|
|
609 |
|
|
610 static int kludge = 0; |
|
|
611 |
|
|
612 double val; |
|
1086
|
613 if (builtin_real_scalar_variable ("save_precision", val) == 0 |
|
|
614 && ! xisnan (val)) |
|
275
|
615 { |
|
|
616 int ival = NINT (val); |
|
|
617 if (ival >= 0 && (double) ival == val) |
|
|
618 { |
|
|
619 user_pref.save_precision = ival; |
|
|
620 return status; |
|
|
621 } |
|
|
622 } |
|
|
623 |
|
|
624 if (kludge == 0) |
|
|
625 kludge++; |
|
|
626 else |
|
|
627 { |
|
|
628 warning ("invalid value specified for save_precision"); |
|
|
629 status = -1; |
|
|
630 } |
|
|
631 |
|
|
632 return status; |
|
|
633 } |
|
|
634 |
|
|
635 int |
|
430
|
636 sv_editor (void) |
|
1
|
637 { |
|
|
638 int status = 0; |
|
|
639 |
|
430
|
640 char *s = builtin_string_variable ("EDITOR"); |
|
529
|
641 if (s) |
|
1
|
642 { |
|
430
|
643 delete [] user_pref.editor; |
|
|
644 user_pref.editor = s; |
|
1
|
645 } |
|
|
646 else |
|
|
647 { |
|
430
|
648 warning ("invalid value specified for EDITOR"); |
|
|
649 status = -1; |
|
|
650 } |
|
|
651 |
|
|
652 return status; |
|
|
653 } |
|
|
654 |
|
|
655 int |
|
605
|
656 sv_default_save_format (void) |
|
|
657 { |
|
|
658 int status = 0; |
|
|
659 |
|
|
660 char *s = builtin_string_variable ("default_save_format"); |
|
|
661 if (s) |
|
|
662 { |
|
|
663 delete [] user_pref.default_save_format; |
|
|
664 user_pref.default_save_format = s; |
|
|
665 } |
|
|
666 else |
|
|
667 { |
|
|
668 warning ("invalid value specified for default_save_format"); |
|
|
669 status = -1; |
|
|
670 } |
|
|
671 |
|
|
672 return status; |
|
|
673 } |
|
|
674 |
|
|
675 int |
|
430
|
676 sv_gnuplot_binary (void) |
|
|
677 { |
|
|
678 int status = 0; |
|
|
679 |
|
|
680 char *s = builtin_string_variable ("gnuplot_binary"); |
|
529
|
681 if (s) |
|
430
|
682 { |
|
|
683 delete [] user_pref.gnuplot_binary; |
|
|
684 user_pref.gnuplot_binary = s; |
|
|
685 } |
|
|
686 else |
|
|
687 { |
|
|
688 warning ("invalid value specified for gnuplot_binary"); |
|
1
|
689 status = -1; |
|
|
690 } |
|
|
691 |
|
|
692 return status; |
|
|
693 } |
|
|
694 |
|
|
695 int |
|
686
|
696 sv_imagepath (void) |
|
|
697 { |
|
|
698 int status = 0; |
|
|
699 |
|
|
700 char *s = builtin_string_variable ("IMAGEPATH"); |
|
|
701 if (s) |
|
|
702 { |
|
|
703 delete [] user_pref.imagepath; |
|
|
704 user_pref.imagepath = s; |
|
|
705 } |
|
|
706 else |
|
|
707 { |
|
|
708 warning ("invalid value specified for IMAGEPATH"); |
|
|
709 status = -1; |
|
|
710 } |
|
|
711 |
|
|
712 return status; |
|
|
713 } |
|
|
714 |
|
|
715 int |
|
186
|
716 sv_info_file (void) |
|
|
717 { |
|
|
718 int status = 0; |
|
|
719 |
|
195
|
720 char *s = builtin_string_variable ("INFO_FILE"); |
|
529
|
721 if (s) |
|
186
|
722 { |
|
|
723 delete [] user_pref.info_file; |
|
|
724 user_pref.info_file = s; |
|
|
725 } |
|
|
726 else |
|
|
727 { |
|
|
728 warning ("invalid value specified for INFO_FILE"); |
|
|
729 status = -1; |
|
|
730 } |
|
|
731 |
|
|
732 return status; |
|
|
733 } |
|
|
734 |
|
|
735 int |
|
430
|
736 sv_loadpath (void) |
|
195
|
737 { |
|
|
738 int status = 0; |
|
|
739 |
|
430
|
740 char *s = builtin_string_variable ("LOADPATH"); |
|
529
|
741 if (s) |
|
195
|
742 { |
|
430
|
743 delete [] user_pref.loadpath; |
|
1121
|
744 user_pref.loadpath = maybe_add_default_load_path (s); |
|
195
|
745 } |
|
|
746 else |
|
|
747 { |
|
430
|
748 warning ("invalid value specified for LOADPATH"); |
|
|
749 status = -1; |
|
|
750 } |
|
|
751 |
|
|
752 return status; |
|
|
753 } |
|
|
754 |
|
|
755 int |
|
|
756 sv_pager_binary (void) |
|
|
757 { |
|
|
758 int status = 0; |
|
|
759 |
|
|
760 char *s = builtin_string_variable ("PAGER"); |
|
529
|
761 if (s) |
|
430
|
762 { |
|
|
763 delete [] user_pref.pager_binary; |
|
|
764 user_pref.pager_binary = s; |
|
|
765 } |
|
|
766 else |
|
|
767 { |
|
|
768 warning ("invalid value specified for PAGER"); |
|
195
|
769 status = -1; |
|
|
770 } |
|
|
771 |
|
|
772 return status; |
|
|
773 } |
|
|
774 |
|
|
775 int |
|
1
|
776 sv_ps1 (void) |
|
|
777 { |
|
|
778 int status = 0; |
|
|
779 |
|
195
|
780 char *s = builtin_string_variable ("PS1"); |
|
529
|
781 if (s) |
|
1
|
782 { |
|
|
783 delete [] user_pref.ps1; |
|
|
784 user_pref.ps1 = s; |
|
|
785 } |
|
|
786 else |
|
|
787 { |
|
|
788 warning ("invalid value specified for PS1"); |
|
|
789 status = -1; |
|
|
790 } |
|
|
791 |
|
|
792 return status; |
|
|
793 } |
|
|
794 |
|
|
795 int |
|
|
796 sv_ps2 (void) |
|
|
797 { |
|
|
798 int status = 0; |
|
|
799 |
|
195
|
800 char *s = builtin_string_variable ("PS2"); |
|
529
|
801 if (s) |
|
1
|
802 { |
|
|
803 delete [] user_pref.ps2; |
|
|
804 user_pref.ps2 = s; |
|
|
805 } |
|
|
806 else |
|
|
807 { |
|
|
808 warning ("invalid value specified for PS2"); |
|
|
809 status = -1; |
|
|
810 } |
|
|
811 |
|
|
812 return status; |
|
|
813 } |
|
|
814 |
|
|
815 int |
|
1044
|
816 sv_ps4 (void) |
|
|
817 { |
|
|
818 int status = 0; |
|
|
819 |
|
|
820 char *s = builtin_string_variable ("PS4"); |
|
|
821 if (s) |
|
|
822 { |
|
|
823 delete [] user_pref.ps4; |
|
|
824 user_pref.ps4 = s; |
|
|
825 } |
|
|
826 else |
|
|
827 { |
|
|
828 warning ("invalid value specified for PS4"); |
|
|
829 status = -1; |
|
|
830 } |
|
|
831 |
|
|
832 return status; |
|
|
833 } |
|
|
834 |
|
|
835 int |
|
1
|
836 sv_pwd (void) |
|
|
837 { |
|
|
838 int status = 0; |
|
|
839 |
|
195
|
840 char *s = builtin_string_variable ("PWD"); |
|
529
|
841 if (s) |
|
1
|
842 { |
|
|
843 delete [] user_pref.pwd; |
|
|
844 user_pref.pwd = s; |
|
|
845 } |
|
|
846 else |
|
|
847 { |
|
|
848 warning ("invalid value specified for PWD"); |
|
|
849 status = -1; |
|
|
850 } |
|
|
851 |
|
|
852 return status; |
|
|
853 } |
|
|
854 |
|
|
855 /* |
|
|
856 ;;; Local Variables: *** |
|
|
857 ;;; mode: C++ *** |
|
|
858 ;;; page-delimiter: "^/\\*" *** |
|
|
859 ;;; End: *** |
|
|
860 */ |
