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annotate arogue7/monsters.c @ 270:7a96fede6cc8

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UltraRogue: check the return value from getpwuid(). It is possible for getpwuid() to return NULL. Such a failure will no longer cause a segfault. However, the call to getpwuid() may normally not be reachable.
author John "Elwin" Edwards
date Wed, 01 Mar 2017 20:40:18 -0500
parents e1cd27c5464f
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 * 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 * File with various monster functions in it
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17 *
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18 */
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19
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20 #include "curses.h"
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21 #include "rogue.h"
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22 #include <ctype.h>
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b786053d2f37 arogue7: add missing header includes.
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23 #include <string.h>
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24 #include <stdlib.h>
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27 /*
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28 * Check_residue takes care of any effect of the monster
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29 */
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30 void
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31 check_residue(struct thing *tp)
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32 {
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33 /*
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34 * Take care of special abilities
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35 */
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36 if (on(*tp, DIDHOLD) && (--hold_count == 0)) {
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37 turn_off(player, ISHELD);
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38 turn_off(*tp, DIDHOLD);
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39 }
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40
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41 /* If frightened of this monster, stop */
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42 if (on(player, ISFLEE) &&
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43 player.t_dest == &tp->t_pos) turn_off(player, ISFLEE);
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44
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45 /* If monster was suffocating player, stop it */
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46 if (on(*tp, DIDSUFFOCATE)) {
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47 extinguish(suffocate);
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48 turn_off(*tp, DIDSUFFOCATE);
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49 }
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50
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51 /* If something with fire, may darken */
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52 if (on(*tp, HASFIRE)) {
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53 register struct room *rp=roomin(&tp->t_pos);
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54 register struct linked_list *fire_item;
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55
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56 if (rp) {
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57 for (fire_item = rp->r_fires; fire_item != NULL;
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58 fire_item = next(fire_item)) {
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59 if (THINGPTR(fire_item) == tp) {
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60 detach(rp->r_fires, fire_item);
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61 destroy_item(fire_item);
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62 if (rp->r_fires == NULL) {
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63 rp->r_flags &= ~HASFIRE;
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64 if (cansee(tp->t_pos.y, tp->t_pos.x)) light(&hero);
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65 }
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66 break;
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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 /*
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74 * Creat_mons creates the specified monster -- any if 0
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75 * person: Where to create next to
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76 */
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77
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78 bool
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79 creat_mons(struct thing *person, short monster, bool report)
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80 {
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81 struct linked_list *nitem;
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82 register struct thing *tp;
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83 struct room *rp;
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84 coord *mp;
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85
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86 if (levtype == POSTLEV)
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87 return(FALSE);
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88 if ((mp = fallpos(&(person->t_pos), FALSE, 2)) != NULL) {
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89 nitem = new_item(sizeof (struct thing));
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