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annotate arogue5/rogue.c @ 110:5f51f7d9805f

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arogue5: fix some save/restore-related crashes. The save/restore code took the pointer intended as an argument for the doctor() daemon and wrote it to the savefile as an int. I don't know why it took so long to fail horribly. The problem has been avoided by replacing the value with &player when restoring. That seems to be the only argument ever actually used. The code also writes only four bytes for an unsigned long; if sizeof(long) == 8, it casts to unsigned int first. It failed to do the cast when reading back, with the result that four bytes were read and the other half of the number was effectively uninitialized. It apparently works now, but the save/restore code ought still to be regarded as decidedly unfortunate.
author John "Elwin" Edwards
date Mon, 06 Jan 2014 15:57:17 -0500
parents 19903deed392
children ee250e3646fd
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1 /*
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2 * global variable declaration
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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 <ctype.h>
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16 #include "curses.h"
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17 #include "rogue.h"
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18
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19 /*
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20 * Now all the global variables
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21 */
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22 struct trap traps[MAXTRAPS];
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23 struct room rooms[MAXROOMS]; /* One for each room -- A level */
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24 struct room *oldrp; /* Roomin(&player.t_oldpos) */
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25 struct thing player; /* The rogue */
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26 struct object *cur_armor; /* What a well dresssed rogue wears */
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27 struct object *cur_ring[NUM_FINGERS]; /* Which rings are being worn */
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28 struct object *cur_misc[NUM_MM]; /* which MM's are in use */
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29 int cur_relic[MAXRELIC]; /* Currently used relics */
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30 struct linked_list *lvl_obj = NULL;
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31 struct linked_list *mlist = NULL;
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32 struct linked_list *tlist = NULL; /* list of monsters fallen down traps */
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33 struct linked_list *monst_dead = NULL; /* monster killed by monster */
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34 struct object *cur_weapon = NULL;
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35 int char_type = -1; /* what type of character is player */
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36 int foodlev = 1; /* how fast he eats food */
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37 int ntraps; /* Number of traps on this level */
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38 int trader = 0; /* no. of purchases */
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39 int curprice = -1; /* current price of item */
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40 int no_move; /* Number of turns held in place */
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41 int seed; /* Random number seed */
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42 int dnum; /* Dungeon number */
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43 int max_level; /* Deepest player has gone ever */
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44 int cur_max; /* Deepest player has gone currently */
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45 int lost_dext; /* amount of lost dexterity */
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46 int mpos = 0;
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47 int no_command = 0;
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48 int level = 1;
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49 int purse = 0;
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50 int inpack = 0;
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51 int total = 0;
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52 int no_food = 0; /* how long has he gone with no food */
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53 int foods_this_level = 0; /* foods made per level */
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54 int count = 0;
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55 int food_left = HUNGERTIME;
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56 int group = 1;
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57 int hungry_state = F_OKAY;
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58 int infest_dam=0;
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59 int lost_str=0;
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60 int lastscore = -1;
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61 int hold_count = 0;
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62 int trap_tries = 0;
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63 int pray_time = 0;
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64 int spell_power = 0;
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65 int turns = 0; /* Number of turns player has taken */
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66 int quest_item = 0; /* Item player is looking for */
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67 char nfloors = -1; /* Number of floors in this dungeon */
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19903deed392 arogue5: fix the crash when checking prices in shops.
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68 char curpurch[LINELEN*2]; /* name of item ready to buy */
63
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69 char PLAYER = VPLAYER; /* what the player looks like */
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70 char take; /* Thing the rogue is taking */
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71 char prbuf[LINELEN*2]; /* Buffer for sprintfs */
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72 char outbuf[BUFSIZ]; /* Output buffer for stdout */
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73 char runch; /* Direction player is running */
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74 char *s_names[MAXSCROLLS]; /* Names of the scrolls */
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75 char *p_colors[MAXPOTIONS]; /* Colors of the potions */
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76 char *r_stones[MAXRINGS]; /* Stone settings of the rings */
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77 char *ws_made[MAXSTICKS]; /* What sticks are made of */
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78 char whoami[LINELEN]; /* Name of player */
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79 char fruit[LINELEN]; /* Favorite fruit */
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80 char huh[LINELEN]; /* The last message printed */
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81 char *s_guess[MAXSCROLLS]; /* Players guess at what scroll is */
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82 char *p_guess[MAXPOTIONS]; /* Players guess at what potion is */
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83 char *r_guess[MAXRINGS]; /* Players guess at what ring is */
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84 char *ws_guess[MAXSTICKS]; /* Players guess at what wand is */
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85 char *m_guess[MAXMM]; /* Players guess at what MM is */
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86 char *ws_type[MAXSTICKS]; /* Is it a wand or a staff */
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87 char file_name[LINELEN]; /* Save file name */
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88 char score_file[LINELEN]; /* Score file name */
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89 char home[LINELEN]; /* User's home directory */
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90 WINDOW *cw; /* Window that the player sees */
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91 WINDOW *hw; /* Used for the help command */
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92 WINDOW *mw; /* Used to store mosnters */
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93 WINDOW *msgw; /* Used to display messages */
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94 bool pool_teleport = FALSE; /* just teleported from a pool */
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95 bool inwhgt = FALSE; /* true if from wghtchk() */
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96 bool after; /* True if we want after daemons */
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97 bool waswizard; /* Was a wizard sometime */
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98 bool s_know[MAXSCROLLS]; /* Does he know what a scroll does */
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99 bool p_know[MAXPOTIONS]; /* Does he know what a potion does */
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100 bool r_know[MAXRINGS]; /* Does he know what a ring does */
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101 bool ws_know[MAXSTICKS]; /* Does he know what a stick does */