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annotate urogue/options.c @ 298:5a94c9b3181e

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UltraRogue: clear the next_obj field when removing items from the floor. The next_obj field is a pointer which the top item in a stack uses to keep a list of the other items. When removing an item from the stack, rem_obj() failed to set next_obj to NULL, which can cause items in monster inventory to point to items earlier in the inventory list. That causes infinite co-recursion when saving or restoring.
author John "Elwin" Edwards
date Thu, 08 Feb 2018 20:54:34 -0500
parents 9dcf3344d3fd
children 0250220d8cdd
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1 /*
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2 options.c - This file has all the code for the option command
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3
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4 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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5 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 #include <string.h>
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20 #include <ctype.h>
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21 #include "rogue.h"
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22
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23 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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24 #define EQSTR(a, b, c) (strncmp(a, b, c) == 0)
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25
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26 int get_restr(opt_arg *opt, WINDOW *win);
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27 int get_score(opt_arg *opt, WINDOW *win);
261
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28
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29 /* description of an option and what to do with it */
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30 static OPTION optlist[] =
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31 {
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32 {"jump","Show position only at end of run (jump): ", &jump,put_bool,get_bool},
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33 {"inven","Style of inventories (inven): ", &inv_type, put_inv, get_inv},
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34 {"askme","Ask me about unidentified things (askme): ",&askme,put_bool,get_bool},
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35 {"doorstop","Stop running when adjacent (doorstop): ",&doorstop,put_bool,get_bool},
261
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36 {"name", "Name (name): ", &whoami, put_str, get_restr},
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37 {"fruit", "Fruit (fruit): ", &fruit, put_str, get_str},
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38 {"file", "Save file (file): ", &file_name, put_str, get_restr},
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39 {"score", "Score file (score): ", &score_file, put_str, get_score},
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40 {"class", "Character class (class): ",&char_type, put_abil, get_abil}
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41 };
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42
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43 /*
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44 option()
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45 print and then set options from the terminal
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46 */
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47
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48 void
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49 option(void)
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50 {
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51 OPTION *op;
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52 int retval;
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53
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54 wclear(hw);
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55 touchwin(hw);
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56
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57 /* Display current values of options */
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58
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59 for (op = optlist; op < &optlist[NUM_OPTS]; op++)
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60 {
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61 waddstr(hw, op->o_prompt);
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62 (*op->o_putfunc)(&op->o_opt, hw);
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63 waddch(hw, '\n');
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64 }
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65
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66 /* Set values */
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67
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68 wmove(hw, 0, 0);
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69
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70 for (op = optlist; op < &optlist[NUM_OPTS]; op++)
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71 {
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72 waddstr(hw, op->o_prompt);
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73
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74 retval = (*op->o_getfunc)(&op->o_opt, hw);
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75
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76 if (retval)
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77 if (retval == QUIT)
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78 break;
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79 else if (op > optlist) /* MINUS */
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80 {
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81 wmove(hw, (int)(op - optlist) - 1, 0);
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82 op -= 2;
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83 }
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84 else /* trying to back up beyond the top */
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85 {
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86 putchar('\007');
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87 wmove(hw, 0, 0);
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88 op--;
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89 }
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90 }
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