annotate arogue5/options.c @ 111:7f8f43943b1f

Fix some terribly depressing corruption during restore. In rogue5/state.c, rs_read_daemons() zeroes out the argument and delay if the daemon slot is empty. Unfortunately that code ended up on the wrong side of the brace that closes the for loop, so instead of running after each daemon, it got run once after the loop exited, when the index was of course out of bounds. This tended to manifest, when compiled with -O2, by overwriting hw and setting it to NULL. When inventory() next ran, hw would be passed to wgetch(), which returns ERR when it gets a NULL argument. This made md_readchar() think something was wrong and autosave the game. Upon investigation, rogue3 was found to commit the same mistake. rogue4 and srogue don't zero the data. arogue5 already does it properly. Someday I am going to run all this through Valgrind. Someday when I am a kinder person who will not be driven to invoke hordes of trolls and centaurs upon the original authors.
author John "Elwin" Edwards
date Wed, 08 Jan 2014 16:44:16 -0500
parents d4bf99f82ea0
children aac28331e71d
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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 * Advanced Rogue
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7 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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8 * All rights reserved.
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9 *
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10 * Based on "Rogue: Exploring the Dungeons of Doom"
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11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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12 * All rights reserved.
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13 *
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14 * See the file LICENSE.TXT for full copyright and licensing information.
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15 */
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16
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17 #include "curses.h"
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18 #include <ctype.h>
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19 #include <string.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 /*
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26 * description of an option and what to do with it
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27 */
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28 struct optstruct {
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29 char *o_name; /* option name */
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30 char *o_prompt; /* prompt for interactive entry */
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31 int *o_opt; /* pointer to thing to set */
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32 int (*o_putfunc)(); /* function to print value */
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33 int (*o_getfunc)(); /* function to get value interactively */
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34 };
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35
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36 typedef struct optstruct OPTION;
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37
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38 int put_bool(),
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39 get_bool(),
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40 put_str(),
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41 get_str(),
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42 get_restr(),
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43 put_abil(),
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44 get_abil(),
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45 get_quest(),
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46 put_quest();
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47
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48 OPTION optlist[] = {
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49 {"terse", "Terse output: ",
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50 (int *) &terse, put_bool, get_bool },
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51 {"flush", "Flush typeahead during battle: ",
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52 (int *) &fight_flush, put_bool, get_bool },
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53 {"jump", "Show position only at end of run: ",
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54 (int *) &jump, put_bool, get_bool },
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55 {"step", "Do inventories one line at a time: ",
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56 (int *) &slow_invent, put_bool, get_bool },
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57 {"askme", "Ask me about unidentified things: ",
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58 (int *) &askme, put_bool, get_bool },
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59 {"pickup", "Pick things up automatically: ",
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60 (int *) &auto_pickup, put_bool, get_bool },
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61 {"name", "Name: ",
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62 (int *) whoami, put_str, get_restr },
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63 {"fruit", "Fruit: ",
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64 (int *) fruit, put_str, get_str },
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65 {"file", "Save file: ",
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66 (int *) file_name, put_str, get_restr },
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67 {"score", "Score file: ",
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68 (int *) score_file, put_str, get_restr },
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69 {"class", "Character class: ",
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70 (int *)&char_type, put_abil, get_abil },
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71 {"quest", "Quest item: ",
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72 (int *) &quest_item, put_quest, get_quest }
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73 };
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74
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75 /* For fields that would be restricted if use_savedir is set. */
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76 int get_restr(char *optstr, WINDOW *win)
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77 {
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78 int oy, ox;
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79
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80 if (use_savedir)
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81 {
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82 getyx(win, oy, ox);
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83 put_str(optstr, win);
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84 return get_ro(win, oy, ox);
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85 }
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86 else
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87 return get_str(optstr, win);
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88 }
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89
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90 /*
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91 * The ability field is read-only
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92 */
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93 get_abil(abil, win)
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94 int *abil;
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95 WINDOW *win;
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96 {
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97 register int oy, ox;
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98
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99 getyx(win, oy, ox);
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100 put_abil(abil, win);
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