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annotate xrogue/monsters.c @ 310:827441d05b3e

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Advanced Rogue family: fix some potential buffer overflows. Some code for determining the score file location assumed that PATH_MAX would be less than 1024, which cannot be guaranteed. Advanced Rogue 5 and 7, and XRogue, have had the buffers for the file name enlarged. UltraRogue never called the functions, so the code has been deleted instead.
author John "Elwin" Edwards
date Mon, 03 May 2021 19:05:37 -0400
parents e52a8a7ad4c5
children 28e22fb35989
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1 /*
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2 monsters.c - File with various monster functions in it
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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 #include <curses.h>
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20 #include <ctype.h>
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21 #include <string.h>
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22 #include <stdlib.h>
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23 #include "rogue.h"
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24
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25 /*
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26 * Check_residue takes care of any effect of the monster
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27 */
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28
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29 void
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30 check_residue(struct thing *tp)
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31 {
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32 /*
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33 * Take care of special abilities
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34 */
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35 if (on(*tp, DIDHOLD) && (--hold_count == 0)) {
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36 turn_off(player, ISHELD);
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37 turn_off(*tp, DIDHOLD);
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38 }
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39
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40 /* If frightened of this monster, stop */
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41 if (on(player, ISFLEE) &&
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42 player.t_dest == &tp->t_pos) turn_off(player, ISFLEE);
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43
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44 /* If monster was suffocating player, stop it */
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45 if (on(*tp, DIDSUFFOCATE)) {
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46 extinguish(suffocate);
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47 turn_off(*tp, DIDSUFFOCATE);
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48 }
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49
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50 /* If something with fire, may darken */
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51 if (on(*tp, HASFIRE)) {
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52 register struct room *rp=roomin(&tp->t_pos);
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53 register struct linked_list *fire_item;
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54
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55 if (rp) {
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56 for (fire_item = rp->r_fires; fire_item != NULL;
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57 fire_item = next(fire_item)) {
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58 if (THINGPTR(fire_item) == tp) {
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59 detach(rp->r_fires, fire_item);
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60 destroy_item(fire_item);
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61 if (rp->r_fires == NULL) {
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62 rp->r_flags &= ~HASFIRE;
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63 if (cansee(tp->t_pos.y, tp->t_pos.x)) light(&hero);
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64 }
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65 break;
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66 }
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67 }
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68 }
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69 }
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70 }
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71
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72 /*
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73 * Creat_mons creates the specified monster -- any if 0
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74 * person: where to create next to
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75 */
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76
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77 bool
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78 creat_mons(struct thing *person, short monster, bool report)
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79 {
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80 struct linked_list *nitem;
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81 register struct thing *tp;
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82 struct room *rp;
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83 coord *mp;
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84
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85 if (levtype == POSTLEV)
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86 return(FALSE);
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87 if ((mp = fallpos(&(person->t_pos), FALSE, 2)) != NULL) {
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88 nitem = new_item(sizeof (struct thing));
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89 new_monster(nitem,
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90 monster == 0 ? randmonster(FALSE, FALSE)
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