Mercurial > hg > early-roguelike
annotate rogue3/options.c @ 239:837044d2c362
Merge the GCC5 and build fix branches.
This fixes all warnings produced by GCC 5, except the ones related to
system functions. Those could be fixed by including the proper headers,
but it would be better to replace the system-dependent code with
functions from mdport.c.
author | John "Elwin" Edwards |
---|---|
date | Fri, 11 Mar 2016 19:47:52 -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 } |