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annotate arogue7/sticks.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 e52a8a7ad4c5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * sticks.c - Functions to implement the various sticks one might find
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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 * Functions to implement the various sticks one might find
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17 * while wandering around the dungeon.
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18 */
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19
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20 #include "curses.h"
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21 #include <ctype.h>
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b786053d2f37 arogue7: add missing header includes.
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22 #include <string.h>
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23 #include "rogue.h"
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24
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25 void drain(int ymin, int ymax, int xmin, int xmax);
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26
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27 /*
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28 * zap a stick and see what happens
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29 */
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30 void
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31 do_zap(struct thing *zapper, struct object *obj, coord *direction, int which,
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32 int flags)
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33 {
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34 register struct linked_list *item = NULL;
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35 register struct thing *tp;
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36 register int y, x, bonus;
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37 struct linked_list *nitem;
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38 struct object *nobj;
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39 bool cursed, blessed, is_player;
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40 char *mname = "";
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41
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42 cursed = flags & ISCURSED;
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43 blessed = flags & ISBLESSED;
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44
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45 if (obj && obj->o_type != RELIC) { /* all relics are chargeless */
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46 if (obj->o_charges < 1) {
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47 msg(nothing);
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48 return;
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49 }
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50 obj->o_charges--;
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51 }
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52 if (which == WS_WONDER) {
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53 switch (rnd(14)) {
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54 case 0: which = WS_ELECT;
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55 when 1: which = WS_FIRE;
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56 when 2: which = WS_COLD;
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57 when 3: which = WS_POLYMORPH;
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58 when 4: which = WS_MISSILE;
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59 when 5: which = WS_SLOW_M;
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60 when 6: which = WS_TELMON;
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61 when 7: which = WS_CANCEL;
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62 when 8: which = WS_CONFMON;
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63 when 9: which = WS_DISINTEGRATE;
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64 when 10: which = WS_PETRIFY;
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65 when 11: which = WS_PARALYZE;
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66 when 12: which = WS_MDEG;
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67 when 13: which = WS_FEAR;
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68 }
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69 if(ws_magic[which].mi_curse>0 && rnd(100)<=ws_magic[which].mi_curse){
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70 cursed = TRUE;
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71 blessed = FALSE;
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72 }
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73 }
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74
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75 tp = NULL;
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76 switch (which) {
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77 case WS_POLYMORPH:
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78 case WS_SLOW_M:
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79 case WS_TELMON:
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80 case WS_CANCEL:
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81 case WS_CONFMON:
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82 case WS_DISINTEGRATE:
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83 case WS_PETRIFY:
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84 case WS_PARALYZE:
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85 case WS_MDEG:
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86 case WS_FEAR:
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87 y = zapper->t_pos.y;
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88 x = zapper->t_pos.x;
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89
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90 do {