Mercurial > hg > early-roguelike
annotate rogue3/options.c @ 251:e7862a021609
Fix the perpetual haste cheat.
Rogue V3 allowed the player to gain perpetual haste by quaffing a
potion of haste while already hasted. This is supposed to remove the
haste effect and cause temporary paralysis.
Super-Rogue removed haste correctly, but gave confusing messages.
author | John "Elwin" Edwards |
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date | Sat, 28 Jan 2017 11:45:36 -0500 |
parents | e676d52b5d09 |
children | e52a8a7ad4c5 |
rev | line source |
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0
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1 /* |
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2 * This file has all the code for the option command. |
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3 * I would rather this command were not necessary, but |
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4 * it is the only way to keep the wolves off of my back. |
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5 * |
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6 * @(#)options.c 3.3 (Berkeley) 5/25/81 |
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7 * |
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8 * Rogue: Exploring the Dungeons of Doom |
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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10 * All rights reserved. |
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11 * |
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12 * See the file LICENSE.TXT for full copyright and licensing information. |
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13 */ |
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14 |
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15 #include <stdlib.h> |
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16 #include "curses.h" |
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17 #include <ctype.h> |
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18 #include <string.h> |
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19 #include "machdep.h" |
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20 #include "rogue.h" |
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21 |
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22 #define NUM_OPTS (sizeof optlist / sizeof (OPTION)) |
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23 |
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24 /* |
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25 * description of an option and what to do with it |
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26 */ |
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27 struct optstruct { |
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28 char *o_name; /* option name */ |
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29 char *o_prompt; /* prompt for interactive entry */ |
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30 void *o_opt; /* pointer to thing to set */ |
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31 void (*o_putfunc)(); /* function to print value */ |
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32 int (*o_getfunc)(); /* function to get value interactively */ |
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33 }; |
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34 |
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35 typedef struct optstruct OPTION; |
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36 |
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37 int allowchange(OPTION *opt); /* doesn't need to be externally visible */ |
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38 |
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39 OPTION optlist[] = { |
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40 {"terse", "Terse output: ", |
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41 (int *) &terse, put_bool, get_bool }, |
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42 {"flush", "Flush typeahead during battle: ", |
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43 (int *) &fight_flush, put_bool, get_bool }, |
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44 {"jump", "Show position only at end of run: ", |
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45 (int *) &jump, put_bool, get_bool }, |
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46 {"step", "Do inventories one line at a time: ", |
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47 (int *) &slow_invent, put_bool, get_bool }, |
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48 {"askme", "Ask me about unidentified things: ", |
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49 (int *) &askme, put_bool, get_bool }, |
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50 {"name", "Name: ", |
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51 (int *) whoami, put_str, get_str }, |
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52 {"fruit", "Fruit: ", |
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53 (int *) fruit, put_str, get_str }, |
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54 {"file", "Save file: ", |
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55 (int *) file_name, put_str, get_str } |
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56 }; |
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57 |
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58 /* |
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59 * print and then set options from the terminal |
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60 */ |
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61 void |
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62 option() |
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63 { |
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64 OPTION *op; |
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65 int retval; |
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66 |
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67 wclear(hw); |
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68 touchwin(hw); |
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69 /* |
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70 * Display current values of options |
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71 */ |
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72 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++) |
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73 { |
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74 if (allowchange(op)) |
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75 { |
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76 waddstr(hw, op->o_prompt); |
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77 (*op->o_putfunc)(op->o_opt); |
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78 waddch(hw, '\n'); |
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79 } |
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80 } |
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81 /* |
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82 * Set values |
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83 */ |
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84 wmove(hw, 0, 0); |
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85 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++) |
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86 { |
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87 if (!allowchange(op)) |
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88 continue; |
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89 waddstr(hw, op->o_prompt); |
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90 if ((retval = (*op->o_getfunc)(op->o_opt, hw))) |
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91 { |
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92 if (retval == QUIT) |
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93 break; |
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94 #if 0 |
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95 /* Support for MINUS has been removed because making it work with |
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96 * hidden unchangable options without underflowing optlist will |
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97 * require a complete rewrite. And it should also be rewritten |
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98 * so option() doesn't count on get_str() to put the cursor in the |
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99 * right place, because that makes it a pain to understand. |
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100 */ |
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101 else if (op > optlist) { /* retval == MINUS */ |
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102 wmove(hw, (int)(op - optlist) - 1, 0); |
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103 op -= 2; |
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104 } |
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105 else /* trying to back up beyond the top */ |
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106 { |
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107 beep(); |
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108 wmove(hw, 0, 0); |
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109 op--; |
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110 } |
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111 #else |
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112 break; |
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113 #endif |
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114 } |
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115 } |
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116 /* |
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117 * Switch back to original screen |
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118 */ |
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119 mvwaddstr(hw, LINES-1, 0, "--Press space to continue--"); |
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120 draw(hw); |
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121 wait_for(hw,' '); |
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122 clearok(cw, TRUE); |
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123 touchwin(cw); |
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124 after = FALSE; |
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125 } |
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126 |
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127 /* |
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128 * put out a boolean |
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129 */ |
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130 void |
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131 put_bool(void *b) |
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132 { |
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133 waddstr(hw, *(int *)b ? "True" : "False"); |
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134 } |
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135 |
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136 /* |
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137 * put out a string |
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138 */ |
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139 void |
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140 put_str(void *str) |
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141 { |
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142 waddstr(hw, (char *) str); |
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143 } |
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144 |
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145 /* |
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146 * allow changing a boolean option and print it out |
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147 */ |
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148 |
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149 int |
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150 get_bool(void *vp, WINDOW *win) |
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151 { |
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152 int *bp = (int *) vp; |
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153 int oy, ox; |
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154 int op_bad; |
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155 |
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156 op_bad = TRUE; |
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157 getyx(win, oy, ox); |
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158 waddstr(win, *bp ? "True" : "False"); |
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159 while(op_bad) |
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160 { |
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161 wmove(win, oy, ox); |
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162 draw(win); |
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163 switch (readchar(win)) |
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164 { |
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165 case 't': |
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166 case 'T': |
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167 *bp = TRUE; |
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168 op_bad = FALSE; |
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169 break; |
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170 case 'f': |
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171 case 'F': |
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172 *bp = FALSE; |
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173 op_bad = FALSE; |
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174 break; |
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175 case '\n': |
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176 case '\r': |
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177 op_bad = FALSE; |
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178 break; |
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179 case '\033': |
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180 case '\007': |
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181 return QUIT; |
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182 case '-': |
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183 return MINUS; |
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184 default: |
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185 mvwaddstr(win, oy, ox + 10, "(T or F)"); |
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186 } |
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187 } |
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188 wmove(win, oy, ox); |
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189 waddstr(win, *bp ? "True" : "False"); |
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190 waddch(win, '\n'); |
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191 return NORM; |
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192 } |
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193 |
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194 /* |
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195 * set a string option |
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196 */ |
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197 int |
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198 get_str(void *vopt, WINDOW *win) |
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199 { |
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200 char *opt = (char *) vopt; |
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201 char *sp; |
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202 int c, oy, ox; |
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203 char buf[80]; |
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204 |
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205 draw(win); |
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206 getyx(win, oy, ox); |
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207 /* |
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208 * loop reading in the string, and put it in a temporary buffer |
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209 */ |
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210 for (sp = buf; |
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211 (c = readchar(win)) != '\n' && c != '\r' && c != '\033' && c != '\007'; |
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212 wclrtoeol(win), draw(win)) |
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213 { |
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214 if (c == -1) |
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215 continue; |
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216 else if (c == md_erasechar()) /* process erase character */ |
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217 { |
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218 if (sp > buf) |
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219 { |
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220 int i; |
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221 int myx, myy; |
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222 |
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223 sp--; |
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224 |
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225 for (i = (int) strlen(unctrl(*sp)); i; i--) |
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226 { |
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227 getyx(win,myy,myx); |
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228 if ((myx == 0)&& (myy > 0)) |
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229 { |
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230 wmove(win,myy-1,getmaxx(win)-1); |
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231 waddch(win,' '); |
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232 wmove(win,myy-1,getmaxx(win)-1); |
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233 } |
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234 else |
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235 waddch(win, '\b'); |
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236 } |
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|
237 } |
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|
238 continue; |
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239 } |
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240 else if (c == md_killchar()) /* process kill character */ |
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241 { |
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242 sp = buf; |
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243 wmove(win, oy, ox); |
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244 continue; |
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245 } |
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246 else if (sp == buf) |
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247 if (c == '-') |
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248 break; |
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249 else if (c == '~') |
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250 { |
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251 strcpy(buf, home); |
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252 waddstr(win, home); |
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253 sp += strlen(home); |
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254 continue; |
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|
255 } |
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|
256 |
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257 if ((sp - buf) < 78) /* Avoid overflow */ |
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258 { |
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259 *sp++ = c; |
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260 waddstr(win, unctrl(c)); |
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261 } |
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262 } |
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263 *sp = '\0'; |
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264 if (sp > buf) /* only change option if something has been typed */ |
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265 strucpy(opt, buf, strlen(buf)); |
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266 wmove(win, oy, ox); |
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267 waddstr(win, opt); |
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268 waddch(win, '\n'); |
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269 draw(win); |
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270 if (win == cw) |
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271 mpos += (int)(sp - buf); |
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272 if (c == '-') |
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273 return MINUS; |
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274 else if (c == '\033' || c == '\007') |
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275 return QUIT; |
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276 else |
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277 return NORM; |
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278 } |
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279 |
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280 /* |
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281 * parse options from string, usually taken from the environment. |
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282 * the string is a series of comma seperated values, with booleans |
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283 * being stated as "name" (true) or "noname" (false), and strings |
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284 * being "name=....", with the string being defined up to a comma |
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285 * or the end of the entire option string. |
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286 */ |
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287 |
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288 void |
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289 parse_opts(char *str) |
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290 { |
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291 char *sp; |
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292 OPTION *op; |
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293 int len; |
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294 |
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295 while (*str) |
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296 { |
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297 /* |
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298 * Get option name |
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299 */ |
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300 for (sp = str; isalpha(*sp); sp++) |
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301 continue; |
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302 len = (int)(sp - str); |
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303 /* |
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304 * Look it up and deal with it |
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305 */ |
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306 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++) |
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307 { |
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308 /* If using system savefiles, changing your name or the |
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309 save file is not allowed. */ |
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310 if (!allowchange(op)) |
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311 continue; |
0
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312 if (EQSTR(str, op->o_name, len)) |
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313 { |
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314 if (op->o_putfunc == put_bool) /* if option is a boolean */ |
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315 *(int *)op->o_opt = TRUE; |
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316 else /* string option */ |
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317 { |
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318 char *start; |
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319 /* |
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320 * Skip to start of string value |
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321 */ |
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322 for (str = sp + 1; *str == '='; str++) |
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323 continue; |
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324 if (*str == '~') |
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325 { |
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326 strcpy((char *) op->o_opt, home); |
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327 start = (char *) op->o_opt + strlen(home); |
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328 while (*++str == '/') |
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329 continue; |
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330 } |
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331 else |
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332 start = (char *) op->o_opt; |
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333 /* |
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334 * Skip to end of string value |
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335 */ |
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336 for (sp = str + 1; *sp && *sp != ','; sp++) |
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337 continue; |
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338 strucpy(start, str, sp - str); |
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339 } |
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340 break; |
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341 } |
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342 /* |
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343 * check for "noname" for booleans |
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344 */ |
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345 else if (op->o_putfunc == put_bool |
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346 && EQSTR(str, "no", 2) && EQSTR(str + 2, op->o_name, len - 2)) |
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347 { |
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348 *(int *)op->o_opt = FALSE; |
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349 break; |
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|
350 } |
2
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0
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|
351 } |
0
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|
352 |
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353 /* |
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354 * skip to start of next option name |
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|
355 */ |
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|
356 while (*sp && !isalpha(*sp)) |
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357 sp++; |
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358 str = sp; |
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|
359 } |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
360 } |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
361 |
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|
362 /* |
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363 * copy string using unctrl for things |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
364 */ |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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365 void |
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366 strucpy(char *s1, char *s2, size_t len) |
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367 { |
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368 const char *sp; |
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369 |
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|
370 while (len--) |
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|
371 { |
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372 sp = unctrl(*s2); |
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|
373 strcpy(s1, sp); |
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374 s1 += strlen(sp); |
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375 s2++; |
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|
376 } |
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|
377 *s1 = '\0'; |
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|
378 } |
2
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Prevent changing name or save file when using system savedir
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379 |
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380 /* Tells whether the user is allowed to change the option. */ |
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381 int allowchange(OPTION *opt) |
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|
382 { |
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Prevent changing name or save file when using system savedir
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|
383 if (!use_savedir) |
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Prevent changing name or save file when using system savedir
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0
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|
384 return 1; |
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Prevent changing name or save file when using system savedir
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parents:
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diff
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|
385 if (!strcmp(opt->o_name, "name")) |
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Prevent changing name or save file when using system savedir
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diff
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|
386 return 0; |
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Prevent changing name or save file when using system savedir
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diff
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|
387 if (!strcmp(opt->o_name, "file")) |
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Prevent changing name or save file when using system savedir
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diff
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|
388 return 0; |
e676d52b5d09
Prevent changing name or save file when using system savedir
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diff
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|
389 return 1; |
e676d52b5d09
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diff
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|
390 } |