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annotate arogue7/options.c @ 144:708bb2dea17c

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arogue7, xrogue: prevent potential NULL dereferencing. It is possible for getpwuid() to fail and return NULL. Various md_get* functions now check for this.
author John "Elwin" Edwards
date Mon, 18 May 2015 10:53:22 -0400
parents 9c4e50b5825c
children aac28331e71d
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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 * Advanced Rogue
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "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 /*
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16 * This file has all the code for the option command.
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17 * I would rather this command were not necessary, but
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18 * it is the only way to keep the wolves off of my back.
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19 *
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20 */
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21
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22 #include "curses.h"
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23 #include <ctype.h>
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24 #include <string.h>
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25 #include "rogue.h"
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26
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27 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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28
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29
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30 /*
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31 * description of an option and what to do with it
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32 */
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33 struct optstruct {
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34 char *o_name; /* option name */
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35 char *o_prompt; /* prompt for interactive entry */
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36 int *o_opt; /* pointer to thing to set */
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37 int (*o_putfunc)(); /* function to print value */
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38 int (*o_getfunc)(); /* function to get value interactively */
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39 };
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40
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41 typedef struct optstruct OPTION;
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42
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43 int put_bool(),
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44 get_bool(),
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45 put_str(),
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46 get_str(),
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47 put_abil(),
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48 get_abil(),
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49 get_quest(),
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50 put_quest();
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51
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52 int get_str_prot(char *opt, WINDOW *win);
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53 bool allowchange(OPTION *op);
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54
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55 OPTION optlist[] = {
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56 {"terse", "Terse output: ",
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57 (int *) &terse, put_bool, get_bool },
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58 {"flush", "Flush typeahead during battle: ",
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59 (int *) &fight_flush, put_bool, get_bool },
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60 {"jump", "Show position only at end of run: ",
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61 (int *) &jump, put_bool, get_bool },
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62 {"step", "Do inventories one line at a time: ",
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63 (int *) &slow_invent, put_bool, get_bool },
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64 {"askme", "Ask me about unidentified things: ",
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65 (int *) &askme, put_bool, get_bool },
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66 {"pickup", "Pick things up automatically: ",
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67 (int *) &auto_pickup, put_bool, get_bool },
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68 {"overlay", "Overlay menu: ",
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69 (int *) &menu_overlay, put_bool, get_bool },
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70 {"name", "Name: ",
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71 (int *) whoami, put_str, get_str_prot },
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72 {"file", "Save file: ",
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73 (int *) file_name, put_str, get_str_prot },
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74 {"score", "Score file: ",
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75 (int *) score_file, put_str, get_str_prot },
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76 {"class", "Character class: ",
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77 (int *)&char_type, put_abil, get_abil },
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78 {"quest", "Quest item: ",
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79 (int *) &quest_item, put_quest, get_quest }
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80 };
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81
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82 /*
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83 * The ability field is read-only
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84 */
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85 get_abil(abil, win)
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86 int *abil;
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87 WINDOW *win;
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88 {
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89 register int oy, ox;