annotate xrogue/daemon.c @ 264:778938a5c21d

UltraRogue: add location for character files. When using the -n option, UltraRogue will look for character files in a single location, similar to save files. The location is chosen by defining CHRDIR in getplay.c, at least until UltraRogue gets integrated with the build systems.
author John "Elwin" Edwards
date Sun, 19 Feb 2017 19:47:09 -0500
parents e1cd27c5464f
children
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1 /*
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2 daemon.c - functions for dealing with things that happen in the future
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3
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4 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 #include <curses.h>
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20 #include "rogue.h"
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21
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22 #define EMPTY 0
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23 #define DAEMON -1
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24
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25 #define _X_ { EMPTY }
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26
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27 struct delayed_action d_list[MAXDAEMONS] = {
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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 struct delayed_action f_list[MAXFUSES] = {
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31 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_,
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32 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_
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33 };
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34
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35 int demoncnt = 0; /* number of active daemons */
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36 int fusecnt = 0;
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37
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38
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39 /*
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40 * d_slot:
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41 * Find an empty slot in the daemon list
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42 */
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43 struct delayed_action *
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44 d_slot(void)
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45 {
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46 reg int i;
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47 reg struct delayed_action *dev;
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48
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49 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++)
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50 if (dev->d_type == EMPTY)
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51 return dev;
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52 return NULL;
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53 }
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54
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55 /*
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56 * f_slot:
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57 * Find an empty slot in the fuses list
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58 */
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59 struct delayed_action *
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60 f_slot(void)
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61 {
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62 reg int i;
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63 reg struct delayed_action *dev;
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64
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65 for (i = 0, dev = f_list; i < MAXFUSES; i++, dev++)
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66 if (dev->d_type == EMPTY)
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67 return dev;
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68 return NULL;
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69 }
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70
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71 /*
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72 * find_slot:
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73 * Find a particular slot in the table
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74 */
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75
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76 struct delayed_action *
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77 find_slot(void (*func)())
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78 {
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79 reg int i;
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80 reg struct delayed_action *dev;
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81
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82 for (i = 0, dev = f_list; i < MAXFUSES; i++, dev++)
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83 if (dev->d_type != EMPTY && func == dev->d_func)
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84 return dev;
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85 return NULL;
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86 }
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87
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88 /*
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89 * start_daemon:
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90 * Start a daemon, takes a function.
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91 */
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92
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93 void
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94 start_daemon(void (*dfunc)(), void *arg, int type)
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95 {
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96 reg struct delayed_action *dev;
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97
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98 dev = d_slot();
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99 if (dev != NULL) {
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100 dev->d_type = type;
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101 dev->d_func = dfunc;
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102 dev->d_arg.vp = arg;
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103 dev->d_time = DAEMON;
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104 demoncnt += 1; /* update count */
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105 }
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106 }
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107
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108 /*
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109 * kill_daemon:
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110 * Remove a daemon from the list
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111 */
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112
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113 void
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114 kill_daemon(void (*dfunc)())
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115 {
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116 reg struct delayed_action *dev;
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117 reg int i;
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118
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119 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++) {
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120 if (dev->d_type != EMPTY && dfunc == dev->d_func)
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121 break;
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122 }
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123 if (i >= MAXDAEMONS) return; /* if not found, forget it */
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124 /*
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125 * Take it out of the list
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126 */
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127 dev->d_type = EMPTY;
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128 dev->d_arg.vp = NULL;
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129 dev->d_func = NULL;
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130 dev->d_time = 0;
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131
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132 demoncnt -= 1; /* update count */
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133 }
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134
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135 /*
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136 * do_daemons:
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137 * Run all the daemons that are active with the current flag,
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138 * passing the argument to the function.
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139 */
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140
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141 void
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142 do_daemons(int flag)
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143 {
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144 struct delayed_action *dev;
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145 int i;
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146
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147 /*
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148 * Loop through the devil list
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149 */
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150 for (i = 0; i < MAXDAEMONS; i++)
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151 {
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152 dev = &d_list[i];
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153 /*
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154 * Executing each one, giving it the proper arguments
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155 */
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156 if ((dev->d_type == flag) && (dev->d_time == DAEMON) && (dev->d_func != NULL))
134
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157 (*dev->d_func)(dev->d_arg.vp);
133
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158 }
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159 }
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160
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161 /*
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162 * fuse:
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163 * Start a fuse to go off in a certain number of turns
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164 */
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165
220
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166 void
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167 fuse(void (*dfunc)(), void *arg, int time, int type)
133
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168 {
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169 reg struct delayed_action *wire;
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170
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171 wire = f_slot();
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172 if (wire != NULL) {
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173 wire->d_type = type;
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174 wire->d_func = dfunc;
238
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175 if (dfunc == changeclass || dfunc == res_strength)
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176 wire->d_arg.i = *(int *) arg;
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177 else
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178 wire->d_arg.vp = arg;
133
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179 wire->d_time = time;
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180 fusecnt += 1; /* update count */
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181 }
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182 }
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183
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184 /*
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185 * lengthen:
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186 * Increase the time until a fuse goes off
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187 */
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188
220
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189 void
228
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190 lengthen(void (*dfunc)(), int xtime)
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191 {
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192 reg struct delayed_action *wire;
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193
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194 if ((wire = find_slot(dfunc)) == NULL)
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195 return;
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196 wire->d_time += xtime;
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197 }
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198
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199 /*
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200 * extinguish:
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201 * Put out a fuse
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202 */
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203
220
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204 void
228
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205 extinguish(void (*dfunc)())
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206 {
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207 reg struct delayed_action *wire;
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208
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209 if ((wire = find_slot(dfunc)) == NULL)
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210 return;
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211 wire->d_type = EMPTY;
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212 wire->d_func = NULL;
134
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213 wire->d_arg.vp = NULL;
133
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214 wire->d_time = 0;
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215 fusecnt -= 1;
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216 }
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217
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218 /*
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219 * do_fuses:
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220 * Decrement counters and start needed fuses
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221 */
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222
220
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223 void
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224 do_fuses(int flag)
133
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225 {
238
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226 struct delayed_action *wire;
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227 int i;
133
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228
238
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229 /*
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230 * Step though the list
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231 */
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232 for (i = 0; i < MAXFUSES; i++) {
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233 wire = &f_list[i];
133
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234 /*
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235 * Decrementing counters and starting things we want. We also need
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236 * to remove the fuse from the list once it has gone off.
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237 */
238
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238 if(flag == wire->d_type && wire->d_time > 0 &&
133
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239 --wire->d_time == 0) {
238
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240 wire->d_type = EMPTY;
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241 if (*wire->d_func == changeclass || *wire->d_func == res_strength)
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242 (*wire->d_func)(wire->d_arg.i);
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243 else if (wire->d_func != NULL)
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244 (*wire->d_func)(wire->d_arg.vp);
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245 fusecnt -= 1;
133
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246 }
238
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247 }
133
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248 }
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249
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250 /*
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251 * activity:
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252 * Show wizard number of demaons and memory blocks used
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253 */
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254
220
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255 void
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256 activity(void)
133
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257 {
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258 msg("Daemons = %d : Fuses = %d : Memory Items = %d : Memory Used = %d",
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259 demoncnt,fusecnt,total,md_memused());
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260 }
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261