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annotate rogue4/daemon.c @ 306:057c5114e244

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Super-Rogue: fix some out-of-range constants. Constants K_ARROW etc., for causes of death other than monsters, are in the 240-255 range. They were often passed to functions taking char, which is usually signed, making the values out of range. The function declarations have been changed to unsigned char, which is also the type used by the scoreboard code.
author John "Elwin" Edwards
date Sat, 17 Apr 2021 15:41:12 -0400
parents b67b99f6c92b
children
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1 /*
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2 * Contains functions for dealing with things that happen in the
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3 * future.
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4 *
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5 * @(#)daemon.c 4.4 (Berkeley) 1/12/82
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6 *
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7 * Rogue: Exploring the Dungeons of Doom
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8 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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9 * All rights reserved.
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10 *
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11 * See the file LICENSE.TXT for full copyright and licensing information.
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12 */
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13
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14 #include <curses.h>
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15 #include "rogue.h"
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16
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17 #define EMPTY 0
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18 #define DAEMON -1
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19
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20 #define _X_ { EMPTY }
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21
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22 struct delayed_action d_list[MAXDAEMONS] = {
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23 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_,
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24 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_,
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25 };
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26
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27 /*
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28 * d_slot:
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29 * Find an empty slot in the daemon/fuse list
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30 */
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31 struct delayed_action *
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32 d_slot(void)
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33 {
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34 register int i;
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35 register struct delayed_action *dev;
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36
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37 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++)
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38 if (dev->d_type == EMPTY)
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39 return dev;
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40 #ifdef WIZARD
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41 debug("Ran out of fuse slots");
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42 #endif
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43 return NULL;
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44 }
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45
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46 /*
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47 * find_slot:
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48 * Find a particular slot in the table
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49 */
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50 struct delayed_action *
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51 find_slot(void (*func)())
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52 {
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53 register int i;
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54 register struct delayed_action *dev;
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55
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56 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++)
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57 if (dev->d_type != EMPTY && func == dev->d_func)
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58 return dev;
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59 return NULL;
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60 }
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61
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62 /*
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63 * start_daemon:
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64 * Start a daemon, takes a function.
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65 */
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66 void
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67 start_daemon(void (*func)(), int arg, int type)
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68 {
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69 register struct delayed_action *dev;
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70
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71 dev = d_slot();
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72 dev->d_type = type;
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73 dev->d_func = func;
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74 dev->d_arg = arg;
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75 dev->d_time = DAEMON;
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76 }
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77
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78 /*
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79 * kill_daemon:
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80 * Remove a daemon from the list
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81 */
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82 void
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83 kill_daemon(void (*func)())
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84 {
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85 register struct delayed_action *dev;
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86
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87 if ((dev = find_slot(func)) == NULL)
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88 return;
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89 /*
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90 * Take it out of the list
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91 */
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92 dev->d_type = EMPTY;
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93 }
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94
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95 /*
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96 * do_daemons:
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97 * Run all the daemons that are active with the current flag,
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98 * passing the argument to the function.
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99 */
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100 void
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101 do_daemons(int flag)
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102 {