Sun, 27 Nov 2022 13:33:30 +0100
improve daemon startup
parent will wait until daemon is started and returns error code if startup failed
daemon startup log messages will be printed by parent
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include "cx/compare.h" |
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30 | |
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31 | #include <stdint.h> |
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32 | #include <math.h> |
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33 | |
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34 | int cx_cmp_int(void const *i1, void const *i2) { |
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35 | int a = *((const int*) i1); |
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36 | int b = *((const int*) i2); |
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37 | if (a == b) { |
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38 | return 0; |
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39 | } else { |
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40 | return a < b ? -1 : 1; |
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41 | } |
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42 | } |
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43 | |
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44 | int cx_cmp_longint(void const *i1, void const *i2) { |
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45 | long int a = *((const long int*) i1); |
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46 | long int b = *((const long int*) i2); |
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47 | if (a == b) { |
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48 | return 0; |
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49 | } else { |
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50 | return a < b ? -1 : 1; |
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51 | } |
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52 | } |
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53 | |
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54 | int cx_cmp_longlong(void const *i1, void const *i2) { |
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55 | long long a = *((const long long*) i1); |
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56 | long long b = *((const long long*) i2); |
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57 | if (a == b) { |
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58 | return 0; |
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59 | } else { |
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60 | return a < b ? -1 : 1; |
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61 | } |
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62 | } |
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63 | |
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64 | int cx_cmp_int16(void const *i1, void const *i2) { |
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65 | int16_t a = *((const int16_t*) i1); |
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66 | int16_t b = *((const int16_t*) i2); |
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67 | if (a == b) { |
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68 | return 0; |
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69 | } else { |
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70 | return a < b ? -1 : 1; |
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71 | } |
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72 | } |
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73 | |
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74 | int cx_cmp_int32(void const *i1, void const *i2) { |
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75 | int32_t a = *((const int32_t*) i1); |
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76 | int32_t b = *((const int32_t*) i2); |
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77 | if (a == b) { |
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78 | return 0; |
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79 | } else { |
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80 | return a < b ? -1 : 1; |
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81 | } |
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82 | } |
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83 | |
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84 | int cx_cmp_int64(void const *i1, void const *i2) { |
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85 | int64_t a = *((const int64_t*) i1); |
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86 | int64_t b = *((const int64_t*) i2); |
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87 | if (a == b) { |
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88 | return 0; |
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89 | } else { |
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90 | return a < b ? -1 : 1; |
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91 | } |
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92 | } |
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93 | |
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94 | int cx_cmp_uint(void const *i1, void const *i2) { |
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95 | unsigned int a = *((const unsigned int*) i1); |
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96 | unsigned int b = *((const unsigned int*) i2); |
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97 | if (a == b) { |
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98 | return 0; |
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99 | } else { |
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100 | return a < b ? -1 : 1; |
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101 | } |
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102 | } |
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103 | |
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104 | int cx_cmp_ulongint(void const *i1, void const *i2) { |
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105 | unsigned long int a = *((const unsigned long int*) i1); |
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106 | unsigned long int b = *((const unsigned long int*) i2); |
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107 | if (a == b) { |
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108 | return 0; |
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109 | } else { |
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110 | return a < b ? -1 : 1; |
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111 | } |
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112 | } |
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113 | |
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114 | int cx_cmp_ulonglong(void const *i1, void const *i2) { |
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115 | unsigned long long a = *((const unsigned long long*) i1); |
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116 | unsigned long long b = *((const unsigned long long*) i2); |
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117 | if (a == b) { |
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118 | return 0; |
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119 | } else { |
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120 | return a < b ? -1 : 1; |
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121 | } |
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122 | } |
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123 | |
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124 | int cx_cmp_uint16(void const *i1, void const *i2) { |
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125 | uint16_t a = *((const uint16_t*) i1); |
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126 | uint16_t b = *((const uint16_t*) i2); |
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127 | if (a == b) { |
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128 | return 0; |
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129 | } else { |
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130 | return a < b ? -1 : 1; |
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131 | } |
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132 | } |
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133 | |
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134 | int cx_cmp_uint32(void const *i1, void const *i2) { |
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135 | uint32_t a = *((const uint32_t*) i1); |
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136 | uint32_t b = *((const uint32_t*) i2); |
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137 | if (a == b) { |
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138 | return 0; |
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139 | } else { |
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140 | return a < b ? -1 : 1; |
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141 | } |
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142 | } |
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143 | |
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144 | int cx_cmp_uint64(void const *i1, void const *i2) { |
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145 | uint64_t a = *((const uint64_t*) i1); |
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146 | uint64_t b = *((const uint64_t*) i2); |
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147 | if (a == b) { |
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148 | return 0; |
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149 | } else { |
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150 | return a < b ? -1 : 1; |
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151 | } |
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152 | } |
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153 | |
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154 | int cx_cmp_float(void const *f1, void const *f2) { |
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155 | float a = *((const float*) f1); |
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156 | float b = *((const float*) f2); |
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157 | if (fabsf(a - b) < 1e-6f) { |
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158 | return 0; |
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159 | } else { |
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160 | return a < b ? -1 : 1; |
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161 | } |
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162 | } |
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163 | |
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164 | int cx_cmp_double(void const *d1, void const *d2) { |
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165 | double a = *((const double*) d1); |
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166 | double b = *((const double*) d2); |
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167 | if (fabs(a - b) < 1e-14) { |
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168 | return 0; |
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169 | } else { |
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170 | return a < b ? -1 : 1; |
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171 | } |
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172 | } |
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173 | |
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174 | int cx_cmp_ptr(void const *ptr1, void const *ptr2) { |
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175 | const intptr_t p1 = (const intptr_t) ptr1; |
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176 | const intptr_t p2 = (const intptr_t) ptr2; |
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177 | if (p1 == p2) { |
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178 | return 0; |
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179 | } else { |
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180 | return p1 < p2 ? -1 : 1; |
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181 | } |
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182 | } |