Mercurial > hg > early-roguelike
annotate rogue3/daemon.c @ 239:837044d2c362
Merge the GCC5 and build fix branches.
This fixes all warnings produced by GCC 5, except the ones related to
system functions. Those could be fixed by including the proper headers,
but it would be better to replace the system-dependent code with
functions from mdport.c.
author | John "Elwin" Edwards |
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date | Fri, 11 Mar 2016 19:47:52 -0500 |
parents | 527e2150eaf0 |
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rev | line source |
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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 3.3 (Berkeley) 6/15/81 |
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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 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 #define MAXDAEMONS 20 |
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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 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, |
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26 }; |
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27 |
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28 /* |
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29 * d_slot: |
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30 * Find an empty slot in the daemon/fuse list |
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31 */ |
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32 struct delayed_action * |
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33 d_slot() |
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34 { |
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35 register int i; |
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36 register struct delayed_action *dev; |
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37 |
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38 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++) |
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39 if (dev->d_type == EMPTY) |
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40 return dev; |
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41 debug("Ran out of fuse slots"); |
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42 return NULL; |
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43 } |
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44 |
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45 /* |
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46 * find_slot: |
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47 * Find a particular slot in the table |
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48 */ |
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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 * daemon: |
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64 * Start a daemon, takes a function. |
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65 */ |
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66 |
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67 void |
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68 start_daemon(void (*func)(), int arg, int type) |
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69 { |
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70 register struct delayed_action *dev; |
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71 |
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72 dev = d_slot(); |
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73 |
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74 if (dev != NULL) |
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75 { |
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76 dev->d_type = type; |
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77 dev->d_func = func; |
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78 dev->d_arg = arg; |
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79 dev->d_time = DAEMON; |
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80 } |
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81 } |
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82 |
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83 /* |
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84 * kill_daemon: |
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85 * Remove a daemon from the list |
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86 */ |
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87 |
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88 void |
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89 kill_daemon(void (*func)()) |
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90 { |
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91 register struct delayed_action *dev; |
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92 |
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93 if ((dev = find_slot(func)) == NULL) |
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94 return; |
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95 /* |
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96 * Take it out of the list |
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97 */ |
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98 dev->d_type = EMPTY; |
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99 } |
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100 |
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101 /* |
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102 * do_daemons: |
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103 * Run all the daemons that are active with the current flag, |
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104 * passing the argument to the function. |
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105 */ |
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106 |
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107 void |
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108 do_daemons(int flag) |
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109 { |
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110 register struct delayed_action *dev; |
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111 |
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112 /* |
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113 * Loop through the devil list |
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114 */ |
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115 for (dev = d_list; dev <= &d_list[MAXDAEMONS-1]; dev++) |
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116 /* |
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117 * Executing each one, giving it the proper arguments |
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118 */ |
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119 if (dev->d_type == flag && dev->d_time == DAEMON) |
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120 (*dev->d_func)(dev->d_arg); |
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121 } |
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122 |
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123 /* |
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124 * fuse: |
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125 * Start a fuse to go off in a certain number of turns |
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126 */ |
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127 |
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128 void |
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129 fuse(void (*func)(), int arg, int time, int type) |
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130 { |
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131 register struct delayed_action *wire; |
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132 |
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133 wire = d_slot(); |
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134 |
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135 if (wire != NULL) |
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136 { |
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137 wire->d_type = type; |
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138 wire->d_func = func; |
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139 wire->d_arg = arg; |
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140 wire->d_time = time; |
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141 } |
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142 } |
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143 |
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144 /* |
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145 * lengthen: |
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146 * Increase the time until a fuse goes off |
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147 */ |
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148 |
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149 void |
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150 lengthen(void (*func)(), int xtime) |
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151 { |
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152 register struct delayed_action *wire; |
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153 |
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154 if ((wire = find_slot(func)) == NULL) |
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155 return; |
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156 wire->d_time += xtime; |
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157 } |
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158 |
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159 /* |
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160 * extinguish: |
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161 * Put out a fuse |
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162 */ |
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163 |
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164 void |
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165 extinguish(void (*func)()) |
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166 { |
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167 register struct delayed_action *wire; |
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168 |
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169 if ((wire = find_slot(func)) == NULL) |
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170 return; |
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171 wire->d_type = EMPTY; |
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172 } |
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173 |
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174 /* |
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175 * do_fuses: |
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176 * Decrement counters and start needed fuses |
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177 */ |
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178 |
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179 void |
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180 do_fuses(int flag) |
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181 { |
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182 register struct delayed_action *wire; |
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183 |
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184 /* |
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185 * Step though the list |
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186 */ |
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187 for (wire = d_list; wire <= &d_list[MAXDAEMONS-1]; wire++) |
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188 { |
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189 /* |
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190 * Decrementing counters and starting things we want. We also need |
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191 * to remove the fuse from the list once it has gone off. |
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192 */ |
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193 if (flag == wire->d_type && wire->d_time > 0 && --wire->d_time == 0) |
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194 { |
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195 wire->d_type = EMPTY; |
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196 (*wire->d_func)(wire->d_arg); |
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197 } |
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198 } |
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199 } |