Mercurial > hg > early-roguelike
annotate rogue5/monsters.c @ 280:70aa5808c782
Fix potential segfaults at restore related to ctime().
In some games, restore() passes the result of ctime() to mvprintw() or
some other variadic message-formatting function. If ctime() has not
been declared properly, its return type is inferred to be int instead
of char *. This does not cause a warning because the compiler does not
know the correct type of variadic arguments.
On platforms where ints and pointers are not the same size, this can,
probably depending on alignment, result in a segfault that is not easy
to trace.
Including time.h fixes the problem. Some games manually declared
ctime() and avoided the bug. These declarations have also been
replaced with the include.
author | John "Elwin" Edwards |
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date | Fri, 15 Sep 2017 20:51:10 -0400 |
parents | f502bf60e6e4 |
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rev | line source |
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33
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1 /* |
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2 * File with various monster functions in it |
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3 * |
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4 * @(#)monsters.c 4.46 (Berkeley) 02/05/99 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman |
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8 * All rights reserved. |
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9 * |
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10 * See the file LICENSE.TXT for full copyright and licensing information. |
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11 */ |
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12 |
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13 #include <curses.h> |
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14 #include <string.h> |
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15 #include "rogue.h" |
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16 #include <ctype.h> |
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17 |
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18 /* |
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19 * List of monsters in rough order of vorpalness |
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20 */ |
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21 static const int lvl_mons[] = { |
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22 'K', 'E', 'B', 'S', 'H', 'I', 'R', 'O', 'Z', 'L', 'C', 'Q', 'A', |
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23 'N', 'Y', 'F', 'T', 'W', 'P', 'X', 'U', 'M', 'V', 'G', 'J', 'D' |
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24 }; |
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25 |
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26 static const int wand_mons[] = { |
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27 'K', 'E', 'B', 'S', 'H', 0, 'R', 'O', 'Z', 0, 'C', 'Q', 'A', |
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28 0, 'Y', 0, 'T', 'W', 'P', 0, 'U', 'M', 'V', 'G', 'J', 0 |
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29 }; |
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30 |
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31 /* |
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32 * randmonster: |
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33 * Pick a monster to show up. The lower the level, |
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34 * the meaner the monster. |
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35 */ |
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36 int |
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37 randmonster(int wander) |
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38 { |
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39 int d; |
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40 const int *mons; |
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41 |
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42 mons = (wander ? wand_mons : lvl_mons); |
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43 do |
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44 { |
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45 d = level + (rnd(10) - 6); |
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46 if (d < 0) |
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47 d = rnd(5); |
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48 if (d > 25) |
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49 d = rnd(5) + 21; |
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50 } while (mons[d] == 0); |
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51 return mons[d]; |
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52 } |
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53 |
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54 /* |
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55 * new_monster: |
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56 * Pick a new monster and add it to the list |
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57 */ |
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58 |
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59 void |
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60 new_monster(THING *tp, int type, const coord *cp) |
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61 { |
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62 struct monster *mp; |
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63 int lev_add; |
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64 |
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65 if ((lev_add = level - AMULETLEVEL) < 0) |
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66 lev_add = 0; |
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67 attach(mlist, tp); |
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68 tp->t_type = type; |
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69 tp->t_disguise = type; |
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70 tp->t_pos = *cp; |
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71 move(cp->y, cp->x); |
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72 tp->t_oldch = CCHAR( inch() ); |
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73 tp->t_room = roomin(cp); |
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74 moat(cp->y, cp->x) = tp; |
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75 mp = &monsters[tp->t_type-'A']; |
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76 tp->t_stats.s_lvl = mp->m_stats.s_lvl + lev_add; |
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77 tp->t_stats.s_maxhp = tp->t_stats.s_hpt = roll(tp->t_stats.s_lvl, 8); |
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78 tp->t_stats.s_arm = mp->m_stats.s_arm - lev_add; |
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79 strcpy(tp->t_stats.s_dmg,mp->m_stats.s_dmg); |
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80 tp->t_stats.s_str = mp->m_stats.s_str; |
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81 tp->t_stats.s_exp = mp->m_stats.s_exp + lev_add * 10 + exp_add(tp); |
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82 tp->t_flags = mp->m_flags; |
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83 if (level > 29) |
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84 tp->t_flags |= ISHASTE; |
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85 tp->t_turn = TRUE; |
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86 tp->t_pack = NULL; |
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87 if (ISWEARING(R_AGGR)) |
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88 runto(cp); |
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89 if (type == 'X') |
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90 tp->t_disguise = rnd_thing(); |
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91 } |
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92 |
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93 /* |
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94 * expadd: |
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95 * Experience to add for this monster's level/hit points |
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96 */ |
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97 int |
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98 exp_add(const THING *tp) |
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99 { |
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100 int mod; |
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101 |
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102 if (tp->t_stats.s_lvl == 1) |
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103 mod = tp->t_stats.s_maxhp / 8; |
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104 else |
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105 mod = tp->t_stats.s_maxhp / 6; |
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