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annotate xrogue/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 443c8bd3e290
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 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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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 and AT&T
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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 /*
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20 * I would rather this command were not necessary, but
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21 * it is the only way to keep the wolves off of my back.
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22 */
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23
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24 #include <curses.h>
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25 #include <ctype.h>
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26 #include <string.h>
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27 #include "rogue.h"
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28
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29 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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30
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31 /*
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32 * description of an option and what to do with it
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33 */
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34 struct optstruct {
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35 char *o_name; /* option name */
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36 char *o_prompt; /* prompt for interactive entry */
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37 int *o_opt; /* pointer to thing to set */
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38 int (*o_putfunc)(); /* function to print value */
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39 int (*o_getfunc)(); /* function to get value interactively */
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40 };
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41
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42 typedef struct optstruct OPTION;
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43
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44 int put_bool(),
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45 get_bool(),
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46 put_str(),
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47 get_str(),
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48 put_abil(),
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49 get_abil(),
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50 get_quest(),
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51 put_quest(),
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52 get_default();
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53
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54 int get_str_prot(char *opt, WINDOW *win);
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55 bool allowchange(OPTION *op);
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56
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57 OPTION optlist[] = {
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58 {"terse", "Terse output: ",
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59 (int *) &terse, put_bool, get_bool },
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60 {"flush", "Flush typeahead during battle: ",
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61 (int *) &fight_flush, put_bool, get_bool },
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62 {"jump", "Show position only at end of run: ",
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63 (int *) &jump, put_bool, get_bool },
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64 {"step", "Do inventories one line at a time: ",
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65 (int *) &slow_invent, put_bool, get_bool },
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66 {"askme", "Ask me about unidentified things: ",
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67 (int *) &askme, put_bool, get_bool },
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68 {"pickup", "Pick things up automatically: ",
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69 (int *) &auto_pickup, put_bool, get_bool },
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70 {"overlay", "Overlay menu: ",
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71 (int *) &menu_overlay, put_bool, get_bool },
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72 {"name", "Name: ",
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73 (int *) whoami, put_str, get_str_prot },
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74 {"file", "Save file: ",
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75 (int *) file_name, put_str, get_str_prot },
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76 {"score", "Score file: ",
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77 (int *) score_file, put_str, get_str_prot },
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78 {"class", "Character type: ",
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79 (int *) &char_type, put_abil, get_abil },
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80 {"quest", "Quest item: ",
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81 (int *) &quest_item, put_quest, get_quest },
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82 {"default", "Default Attributes: ",
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83 (int *) &def_attr, put_bool, get_default }
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84 };
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85
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86 /*
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87 * The default attribute field is read-only
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88 */
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89
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