annotate arogue7/eat.c @ 144:708bb2dea17c

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 adfa37e67084
children f9ef86cf22b2
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1 /*
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2 * eat.c - Functions for dealing with digestion
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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 #include "curses.h"
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16 #include "rogue.h"
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17
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18 /*
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19 * eat:
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20 * He wants to eat something, so let him try
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21 */
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22
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23 eat()
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24 {
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25 register struct linked_list *item;
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26 int which;
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27 unsigned long temp;
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28
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29 if (player.t_action != C_EAT) {
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30 if ((item = get_item(pack, "eat", FOOD, FALSE, FALSE)) == NULL)
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31 return;
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32
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33 player.t_using = item; /* Remember what it is */
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34 player.t_action = C_EAT; /* We are eating */
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35 which = (OBJPTR(item))->o_which;
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36 player.t_no_move = max(foods[which].mi_food/100, 1) * movement(&player);
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37 return;
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38 }
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39
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40 /* We have waited our time, let's eat the food */
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41 item = player.t_using;
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42 player.t_using = NULL;
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43 player.t_action = A_NIL;
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44
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45 which = (OBJPTR(item))->o_which;
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46 if ((food_left += foods[which].mi_food) > STOMACHSIZE)
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47 food_left = STOMACHSIZE;
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48 del_pack(item);
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49 if (hungry_state == F_SATIATED && food_left == STOMACHSIZE && rnd(4) == 1) {
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50 pstats.s_hpt = 0;
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51 msg ("You choke on all that food and die! -- More --");
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52 wait_for(' ');
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53 death(D_FOOD_CHOKE);
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54 }
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55 if (food_left >= STOMACHSIZE-MORETIME) {
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56 hungry_state = F_SATIATED;
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57 msg ("You have trouble getting all that food down.");
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58 msg ("Your stomach feels like its about to burst!");
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59 }
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60 else {
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61 hungry_state = F_OKAY;
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62 switch (rnd(3)) {
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63 case 0: msg("My, that was a yummy %s", foods[which].mi_name);
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64 when 1: msg("Mmmm, that was a tasty %s", foods[which].mi_name);
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65 when 2: msg("Wow, that was a scrumptious %s", foods[which].mi_name);
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66 }
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67 }
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68 updpack(TRUE, &player);
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69 switch(which) {
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70 case E_WHORTLEBERRY:
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71 add_abil[A_INTELLIGENCE](1);
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72
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73 when E_SWEETSOP:
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74 add_abil[A_DEXTERITY](1);
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75
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76 when E_SOURSOP:
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77 add_abil[A_STRENGTH](1);
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78
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79 when E_SAPODILLA:
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80 add_abil[A_WISDOM](1);
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81
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82 when E_RAMBUTAN:
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83 add_abil[A_CONSTITUTION](1);
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84
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85 when E_PEACH:
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86 add_abil[A_CHARISMA](1);
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87
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88 when E_STRAWBERRY:
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89 temp = pstats.s_exp/100;
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90 pstats.s_exp += temp;
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91 if (temp > 0)
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92 msg("You feel slightly more experienced now");
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