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annotate arogue5/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 0250220d8cdd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Contains functions for dealing with things that happen in the future.
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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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17
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18 #define EMPTY 0
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19 #define DAEMON -1
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20
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21 #define _X_ { EMPTY }
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22
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23 struct delayed_action d_list[MAXDAEMONS] = {
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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 struct delayed_action f_list[MAXFUSES] = {
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27 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_,
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28 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_
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29 };
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30 int demoncnt = 0; /* number of active daemons */
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31 int fusecnt = 0;
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32
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33
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34 /*
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35 * d_slot:
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36 * Find an empty slot in the daemon list
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37 */
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38 struct delayed_action *
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39 d_slot(void)
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40 {
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41 reg int i;
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42 reg struct delayed_action *dev;
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43
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44 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++)
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45 if (dev->d_type == EMPTY)
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46 return dev;
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47 return NULL;
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48 }
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49
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50 /*
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51 * f_slot:
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52 * Find an empty slot in the fuses list
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53 */
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54 struct delayed_action *
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55 f_slot(void)
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56 {
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57 reg int i;
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58 reg struct delayed_action *dev;
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59
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60 for (i = 0, dev = f_list; i < MAXFUSES; i++, dev++)
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61 if (dev->d_type == EMPTY)
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62 return dev;
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63 return NULL;
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64 }
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65
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66
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67
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68 /*
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69 * find_slot:
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70 * Find a particular slot in the table
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71 */
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72 struct delayed_action *
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73 find_slot(void (*func)())
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74 {
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75 reg int i;
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76 reg struct delayed_action *dev;
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77
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78 for (i = 0, dev = f_list; i < MAXFUSES; i++, dev++)
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79 if (dev->d_type != EMPTY && func == dev->d_func)
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80 return dev;
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81 return NULL;
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82 }
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83
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84
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85 /*
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86 * start_daemon:
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87 * Start a daemon, takes a function.
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88 */
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89 void
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90 start_daemon(void (*func)(), void *arg, int type)
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91 {
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92 reg struct delayed_action *dev;
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93
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94 dev = d_slot();
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95 if (dev != NULL) {
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96 dev->d_type = type;
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97 dev->d_func = func;
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98 dev->d_arg = arg;
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99 dev->d_time = DAEMON;
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100 demoncnt += 1; /* update count */
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101 }
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102 }
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103