Mercurial > hg > early-roguelike
annotate rogue4/options.c @ 215:1b73a8641b37
rogue4: fix most GCC5 warnings.
Converting all function definitions to ANSI style accounts for most of
the change. This has exposed other problems, such as daemons not
actually being their stated type, that will require more careful
solutions.
author | John "Elwin" Edwards |
---|---|
date | Wed, 27 Jan 2016 19:41:05 -0500 |
parents | e7dc81b41168 |
children | 50b89f165a34 |
rev | line source |
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1 /* |
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2 * This file has all the code for the option command. I would rather |
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3 * this command were not necessary, but it is the only way to keep the |
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4 * wolves off of my back. |
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5 * |
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6 * @(#)options.c 4.12 (Berkeley) 3/2/82 |
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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, 1982 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 <curses.h> |
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16 #include <ctype.h> |
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17 #include <string.h> |
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18 #include "rogue.h" |
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19 |
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20 #define EQSTR(a, b, c) (strncmp(a, b, c) == 0) |
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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 int *o_opt; /* pointer to thing to set */ |
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31 int (*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); |
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38 |
215 | 39 void put_bool(bool *b); |
40 void put_str(char *str); | |
41 int get_bool(bool *bp, WINDOW *win); | |
42 int get_str(char *opt, WINDOW *win); | |
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43 |
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44 OPTION optlist[] = { |
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45 {"terse", "Terse output: ", |
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46 (int *) &terse, put_bool, get_bool }, |
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47 {"flush", "Flush typeahead during battle: ", |
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48 (int *) &fight_flush, put_bool, get_bool }, |
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49 {"jump", "Show position only at end of run: ", |
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50 (int *) &jump, put_bool, get_bool }, |
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51 {"step", "Do inventories one line at a time: ", |
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52 (int *) &slow_invent, put_bool, get_bool }, |
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53 {"askme", "Ask me about unidentified things: ", |
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54 (int *) &askme, put_bool, get_bool }, |
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55 {"passgo", "Follow turnings in passageways: ", |
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56 (int *) &passgo, put_bool, get_bool }, |
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57 {"name", "Name: ", |
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58 (int *) whoami, put_str, get_str }, |
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59 {"fruit", "Fruit: ", |
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60 (int *) fruit, put_str, get_str }, |
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61 {"file", "Save file: ", |
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62 (int *) file_name, put_str, get_str } |
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63 }; |
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64 |
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65 /* |
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66 * option: |
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67 * Print and then set options from the terminal |
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68 */ |
215 | 69 void |
70 option(void) | |
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71 { |
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72 register OPTION *op; |
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73 register int retval; |
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74 |
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75 wclear(hw); |
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76 /* |
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77 * Display current values of options |
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78 */ |
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79 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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80 { |
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81 if (allowchange(op)) |
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82 { |
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83 waddstr(hw, op->o_prompt); |
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84 (*op->o_putfunc)(op->o_opt); |
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85 waddch(hw, '\n'); |
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86 } |
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87 } |
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88 /* |
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89 * Set values |
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90 */ |
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91 wmove(hw, 0, 0); |
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92 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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93 { |
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94 if (!allowchange(op)) |
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95 continue; |
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96 waddstr(hw, op->o_prompt); |
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97 if ((retval = (*op->o_getfunc)(op->o_opt, hw))) |
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98 { |
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99 if (retval == QUIT) |
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100 break; |
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101 #if 0 /* disable MINUS */ |
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102 else if (op > optlist) { /* MINUS */ |
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103 wmove(hw, (op - optlist) - 1, 0); |
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104 op -= 2; |
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105 } |
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106 else /* trying to back up beyond the top */ |
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107 { |
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108 putchar('\007'); |
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109 wmove(hw, 0, 0); |
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110 op--; |
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111 } |
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112 #else |
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113 break; |
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114 #endif |
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115 } |
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116 } |
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117 /* |
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118 * Switch back to original screen |
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119 */ |
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120 mvwaddstr(hw, LINES-1, 0, "--Press space to continue--"); |
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121 wrefresh(hw); |
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122 wait_for(' '); |
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123 clearok(curscr, TRUE); |
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124 touchwin(stdscr); |
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125 after = FALSE; |
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126 } |
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127 |
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128 /* |
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129 * put_bool |
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130 * Put out a boolean |
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131 */ |
215 | 132 void |
133 put_bool(bool *b) | |
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134 { |
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135 waddstr(hw, *b ? "True" : "False"); |
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136 } |
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137 |
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138 /* |
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139 * put_str: |
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140 * Put out a string |
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141 */ |
215 | 142 void |
143 put_str(char *str) | |
12
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144 { |
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145 waddstr(hw, str); |
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146 } |
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147 |
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148 /* |
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149 * get_bool: |
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150 * Allow changing a boolean option and print it out |
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151 */ |
215 | 152 int |
153 get_bool(bool *bp, WINDOW *win) | |
12
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154 { |
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155 register int oy, ox; |
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156 register bool op_bad; |
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157 |
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158 op_bad = TRUE; |
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159 getyx(win, oy, ox); |
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160 waddstr(win, *bp ? "True" : "False"); |
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161 while (op_bad) |
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162 { |
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163 wmove(win, oy, ox); |
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164 wrefresh(win); |
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165 switch (readcharw(win)) |
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166 { |
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167 case 't': |
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168 case 'T': |
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169 *bp = TRUE; |
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170 op_bad = FALSE; |
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171 break; |
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172 case 'f': |
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173 case 'F': |
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174 *bp = FALSE; |
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175 op_bad = FALSE; |
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176 break; |
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177 case '\n': |
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178 case '\r': |
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179 op_bad = FALSE; |
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180 break; |
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181 case '\033': |
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182 case '\007': |
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183 return QUIT; |
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184 case '-': |
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185 return MINUS; |
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186 default: |
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187 mvwaddstr(win, oy, ox + 10, "(T or F)"); |
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188 } |
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189 } |
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190 wmove(win, oy, ox); |
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191 waddstr(win, *bp ? "True" : "False"); |
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192 waddch(win, '\n'); |
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193 return NORM; |
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194 } |
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195 |
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196 /* |
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197 * get_str: |
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198 * Set a string option |
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199 */ |
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200 #define MAXINP 50 /* max string to read from terminal or environment */ |
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201 |
215 | 202 int |
203 get_str(char *opt, WINDOW *win) | |
12
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204 { |
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205 register char *sp; |
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206 register int c, oy, ox; |
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207 char buf[MAXSTR]; |
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208 |
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209 getyx(win, oy, ox); |
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210 wrefresh(win); |
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211 /* |
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212 * loop reading in the string, and put it in a temporary buffer |
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213 */ |
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214 for (sp = buf; (c = readcharw(win)) != '\n' && c != '\r' && c != '\033'; |
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215 wclrtoeol(win), wrefresh(win)) |
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216 { |
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217 if (c == -1) |
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218 continue; |
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219 else if (c == md_erasechar()) /* process erase character */ |
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220 { |
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221 if (sp > buf) |
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222 { |
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223 register int i; |
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224 |
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225 sp--; |
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226 for (i = strlen(unctrol(*sp)); i; i--) |
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227 waddch(win, '\b'); |
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228 } |
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229 continue; |
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230 } |
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231 else if (c == md_killchar()) /* process kill character */ |
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232 { |
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233 sp = buf; |
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234 wmove(win, oy, ox); |
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235 continue; |
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236 } |
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237 else if (sp == buf) |
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238 { |
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239 if (c == '-' && win != stdscr) |
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240 break; |
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241 else if (c == '~') |
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242 { |
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243 strcpy(buf, home); |
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244 waddstr(win, home); |
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245 sp += strlen(home); |
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246 continue; |
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247 } |
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248 } |
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249 if (sp >= &buf[MAXINP] || !(isprint(c) || c == ' ')) |
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250 putchar(CTRL('G')); |
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251 else |
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252 { |
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253 *sp++ = c; |
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254 waddstr(win, unctrol(c)); |
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255 } |
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256 } |
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257 *sp = '\0'; |
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258 if (sp > buf) /* only change option if something has been typed */ |
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259 strucpy(opt, buf, strlen(buf)); |
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260 wmove(win, oy, ox); |
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261 waddstr(win, opt); |
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262 waddch(win, '\n'); |
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263 wrefresh(win); |
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264 if (win == stdscr) |
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265 mpos += sp - buf; |
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266 if (c == '-') |
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267 return MINUS; |
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268 else if (c == '\033' || c == '\007') |
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269 return QUIT; |
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270 else |
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271 return NORM; |
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272 } |
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273 |
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274 #ifdef WIZARD |
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275 /* |
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276 * get_num: |
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277 * Get a numeric option |
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278 */ |
215 | 279 int |
280 get_num(short *opt, WINDOW *win) | |
12
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281 { |
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282 register int i; |
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283 char buf[MAXSTR]; |
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284 |
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285 if ((i = get_str(buf, win)) == NORM) |
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286 *opt = atoi(buf); |
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287 return i; |
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288 } |
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289 #endif |
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290 |
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291 /* |
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292 * parse_opts: |
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293 * Parse options from string, usually taken from the environment. |
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294 * The string is a series of comma seperated values, with booleans |
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295 * being stated as "name" (true) or "noname" (false), and strings |
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296 * being "name=....", with the string being defined up to a comma |
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297 * or the end of the entire option string. |
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298 */ |
215 | 299 void |
300 parse_opts(char *str) | |
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301 { |
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302 register char *sp; |
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303 register OPTION *op; |
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304 register int len; |
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305 |
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306 while (*str) |
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307 { |
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308 /* |
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309 * Get option name |
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310 */ |
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311 for (sp = str; isalpha(*sp); sp++) |
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312 continue; |
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313 len = sp - str; |
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314 /* |
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315 * Look it up and deal with it |
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316 */ |
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317 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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318 { |
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319 /* If using system savefiles, changing your name or the |
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320 save file is not allowed. */ |
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321 if (!allowchange(op)) |
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322 continue; |
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323 if (EQSTR(str, op->o_name, len)) |
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324 { |
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325 if (op->o_putfunc == put_bool) /* if option is a boolean */ |
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326 *(bool *)op->o_opt = TRUE; |
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327 else /* string option */ |
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328 { |
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329 register char *start; |
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330 /* |
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331 * Skip to start of string value |
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332 */ |
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333 for (str = sp + 1; *str == '='; str++) |
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334 continue; |
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335 if (*str == '~') |
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336 { |
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337 strcpy((char *) op->o_opt, home); |
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338 start = (char *) op->o_opt + strlen(home); |
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339 while (*++str == '/') |
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340 continue; |
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341 } |
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342 else |
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343 start = (char *) op->o_opt; |
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344 /* |
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345 * Skip to end of string value |
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346 */ |
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347 for (sp = str + 1; *sp && *sp != ','; sp++) |
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348 continue; |
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349 strucpy(start, str, sp - str); |
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350 } |
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351 break; |
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352 } |
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353 /* |
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354 * check for "noname" for booleans |
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355 */ |
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356 else if (op->o_putfunc == put_bool |
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357 && EQSTR(str, "no", 2) && EQSTR(str + 2, op->o_name, len - 2)) |
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358 { |
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359 *(bool *)op->o_opt = FALSE; |
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360 break; |
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361 } |
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362 } |
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363 |
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364 /* |
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365 * skip to start of next option name |
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366 */ |
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367 while (*sp && !isalpha(*sp)) |
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368 sp++; |
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369 str = sp; |
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370 } |
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371 } |
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372 |
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373 /* |
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374 * strucpy: |
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375 * Copy string using unctrol for things |
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376 */ |
215 | 377 void |
378 strucpy(char *s1, char *s2, int len) | |
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379 { |
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380 if (len > MAXINP) |
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381 len = MAXINP; |
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382 while (len--) |
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383 { |
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384 if (isprint(*s2) || *s2 == ' ') |
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385 *s1++ = *s2; |
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386 s2++; |
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387 } |
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388 *s1 = '\0'; |
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389 } |
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390 |
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391 /* Tells whether the player is allowed to change the option. */ |
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392 int allowchange(OPTION *opt) |
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393 { |
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394 if (!use_savedir) |
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395 return 1; |
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396 if (!strcmp(opt->o_name, "name")) |
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397 return 0; |
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398 if (!strcmp(opt->o_name, "file")) |
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399 return 0; |
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400 return 1; |
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401 } |
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402 |