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annotate arogue5/potions.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 34a87d84ea31
children 56e748983fa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * Function(s) for dealing with potions
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 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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c49f7927b0fa arogue5: add missing header files.
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17 #include <stdlib.h>
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18 #include <string.h>
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19
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20
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21
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22 /*
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23 * Increase player's constitution
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24 */
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25
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26 add_const(cursed)
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27 bool cursed;
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28 {
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29 /* Do the potion */
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30 if (cursed) {
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31 msg("You feel less healthy now.");
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32 pstats.s_const--;
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33 if (pstats.s_const <= 0)
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34 death(D_CONSTITUTION);
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35 }
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36 else {
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37 msg("You feel healthier now.");
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38 pstats.s_const = min(pstats.s_const + 1, 25);
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39 }
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40
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41 /* Adjust the maximum */
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42 if (max_stats.s_const < pstats.s_const)
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43 max_stats.s_const = pstats.s_const;
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44 }
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45
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46 /*
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47 * Increase player's dexterity
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48 */
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49
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50 add_dexterity(cursed)
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51 bool cursed;
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52 {
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53 int ring_str; /* Value of ring strengths */
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54
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55 /* Undo any ring changes */
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56 ring_str = ring_value(R_ADDHIT);
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57 pstats.s_dext -= ring_str;
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58
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59 /* Now do the potion */
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60 if (cursed) {
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61 msg("You feel less dextrous now.");
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62 pstats.s_dext--;
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63 }
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64 else {
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65 msg("You feel more dextrous now. Watch those hands!");
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66 pstats.s_dext = min(pstats.s_dext + 1, 25);
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67 }
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68
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69 /* Adjust the maximum */
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70 if (max_stats.s_dext < pstats.s_dext)
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71 max_stats.s_dext = pstats.s_dext;
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72
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73 /* Now put back the ring changes */
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74 if (ring_str)
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75 pstats.s_dext += ring_str;
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76 }
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77
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78 /*
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79 * add_haste:
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80 * add a haste to the player
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81 */
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82
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83 add_haste(blessed)
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84 bool blessed;
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85 {
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86 int hasttime;
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87
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88 if (blessed) hasttime = HASTETIME*2;
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89 else hasttime = HASTETIME;
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90
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91 if (on(player, ISSLOW)) { /* Is person slow? */
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92 extinguish(noslow);
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93 noslow();
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94
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95 if (blessed) hasttime = HASTETIME/2;
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96 else return;
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97 }
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98
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99 if (on(player, ISHASTE)) {
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100 msg("You faint from exhaustion.");
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101 no_command += rnd(hasttime);
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102 lengthen(nohaste, roll(hasttime,hasttime));
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103 }
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104 else {
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105 turn_on(player, ISHASTE);