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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_HTTP_CONF_FILE_H_INCLUDED_
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8 #define _NGX_HTTP_CONF_FILE_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14
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15 /*
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16 * AAAA number of agruments
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17 * FF command flags
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18 * TT command type, i.e. HTTP "location" or "server" command
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19 */
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20
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21 #define NGX_CONF_NOARGS 0x00000001
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22 #define NGX_CONF_TAKE1 0x00000002
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23 #define NGX_CONF_TAKE2 0x00000004
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24 #define NGX_CONF_TAKE3 0x00000008
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25 #define NGX_CONF_TAKE4 0x00000010
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26 #define NGX_CONF_TAKE5 0x00000020
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27 #define NGX_CONF_TAKE6 0x00000040
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28 #define NGX_CONF_TAKE7 0x00000080
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29
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60
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30 #define NGX_CONF_MAX_ARGS 8
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31
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0
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32 #define NGX_CONF_TAKE12 (NGX_CONF_TAKE1|NGX_CONF_TAKE2)
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33 #define NGX_CONF_TAKE13 (NGX_CONF_TAKE1|NGX_CONF_TAKE3)
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34
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35 #define NGX_CONF_TAKE23 (NGX_CONF_TAKE2|NGX_CONF_TAKE3)
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36
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37 #define NGX_CONF_TAKE1234 (NGX_CONF_TAKE1|NGX_CONF_TAKE2|NGX_CONF_TAKE3 \
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38 |NGX_CONF_TAKE4)
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39
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40 #define NGX_CONF_ARGS_NUMBER 0x000000ff
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41 #define NGX_CONF_BLOCK 0x00000100
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42 #define NGX_CONF_FLAG 0x00000200
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43 #define NGX_CONF_ANY 0x00000400
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44 #define NGX_CONF_1MORE 0x00000800
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45 #define NGX_CONF_2MORE 0x00001000
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46
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47 #define NGX_DIRECT_CONF 0x00010000
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48
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49 #define NGX_MAIN_CONF 0x01000000
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50 #define NGX_ANY_CONF 0x0F000000
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51
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52
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53
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54 #define NGX_CONF_UNSET -1
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55 #define NGX_CONF_UNSET_UINT (ngx_uint_t) -1
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56 #define NGX_CONF_UNSET_PTR (void *) -1
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57 #define NGX_CONF_UNSET_SIZE (size_t) -1
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58 #define NGX_CONF_UNSET_MSEC (ngx_msec_t) -1
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59
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60
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61 #define NGX_CONF_OK NULL
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2
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62 #define NGX_CONF_ERROR (char *) -1
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0
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63
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10
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64 #define NGX_CONF_BLOCK_START 1
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65 #define NGX_CONF_BLOCK_DONE 2
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66 #define NGX_CONF_FILE_DONE 3
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0
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67
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68 #define NGX_CORE_MODULE 0x45524F43 /* "CORE" */
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69 #define NGX_CONF_MODULE 0x464E4F43 /* "CONF" */
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70
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71
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72 #define NGX_MAX_CONF_ERRSTR 256
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73
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74
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75 struct ngx_command_s {
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56
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76 ngx_str_t name;
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77 ngx_uint_t type;
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78 char *(*set)(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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79 ngx_uint_t conf;
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80 ngx_uint_t offset;
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81 void *post;
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0
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82 };
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83
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84 #define ngx_null_command { ngx_null_string, 0, NULL, 0, 0, NULL }
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85
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86
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87 struct ngx_open_file_s {
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56
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88 ngx_fd_t fd;
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89 ngx_str_t name;
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0
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90 #if 0
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91 /* e.g. append mode, error_log */
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56
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92 ngx_uint_t flags;
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0
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93 /* e.g. reopen db file */
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56
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94 ngx_uint_t (*handler)(void *data, ngx_open_file_t *file);
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95 void *data;
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0
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96 #endif
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97 };
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98
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99
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90
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100 #define NGX_MODULE_V1 0, 0, 1, 0, 0, 0, 0
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101 #define NGX_MODULE_V1_PADDING 0, 0, 0, 0, 0, 0, 0, 0
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102
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0
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103 struct ngx_module_s {
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56
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104 ngx_uint_t ctx_index;
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105 ngx_uint_t index;
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58
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106 ngx_uint_t version;
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90
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107
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58
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108 ngx_uint_t spare0;
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109 ngx_uint_t spare1;
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90
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110 ngx_uint_t spare2;
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111 ngx_uint_t spare3;
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58
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112
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113 void *ctx;
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114 ngx_command_t *commands;
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115 ngx_uint_t type;
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90
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116
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117 ngx_int_t (*init_master)(ngx_log_t *log);
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118
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56
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119 ngx_int_t (*init_module)(ngx_cycle_t *cycle);
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90
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120
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56
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121 ngx_int_t (*init_process)(ngx_cycle_t *cycle);
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122 ngx_int_t (*init_thread)(ngx_cycle_t *cycle);
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90
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123 ngx_int_t (*exit_thread)(ngx_cycle_t *cycle);
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124 ngx_int_t (*exit_process)(ngx_cycle_t *cycle);
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125
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126 ngx_int_t (*exit_master)(ngx_cycle_t *cycle);
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127
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128 uintptr_t spare_hook0;
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129 uintptr_t spare_hook1;
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130 uintptr_t spare_hook2;
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131 uintptr_t spare_hook3;
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132 uintptr_t spare_hook4;
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133 uintptr_t spare_hook5;
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134 uintptr_t spare_hook6;
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135 uintptr_t spare_hook7;
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0
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136 };
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137
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138
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139 typedef struct {
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56
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140 ngx_str_t name;
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141 void *(*create_conf)(ngx_cycle_t *cycle);
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142 char *(*init_conf)(ngx_cycle_t *cycle, void *conf);
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143 } ngx_core_module_t;
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144
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145
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146 typedef struct {
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56
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147 ngx_file_t file;
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148 ngx_buf_t *buffer;
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149 ngx_uint_t line;
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0
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150 } ngx_conf_file_t;
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151
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152
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153 typedef char *(*ngx_conf_handler_pt)(ngx_conf_t *cf,
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56
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154 ngx_command_t *dummy, void *conf);
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0
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155
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156
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157 struct ngx_conf_s {
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158 char *name;
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159 ngx_array_t *args;
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160
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161 ngx_cycle_t *cycle;
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162 ngx_pool_t *pool;
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163 ngx_conf_file_t *conf_file;
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164 ngx_log_t *log;
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165
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166 void *ctx;
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167 ngx_uint_t module_type;
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168 ngx_uint_t cmd_type;
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169
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170 ngx_conf_handler_pt handler;
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171 char *handler_conf;
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172 };
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173
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174
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175 typedef char *(*ngx_conf_post_handler_pt) (ngx_conf_t *cf,
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176 void *data, void *conf);
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0
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177
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178 typedef struct {
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179 ngx_conf_post_handler_pt post_handler;
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180 } ngx_conf_post_t;
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181
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182
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183 typedef struct {
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184 ngx_conf_post_handler_pt post_handler;
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185 ngx_int_t low;
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186 ngx_int_t high;
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0
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187 } ngx_conf_num_bounds_t;
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188
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189
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190 typedef struct {
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56
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191 ngx_str_t name;
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192 ngx_uint_t value;
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0
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193 } ngx_conf_enum_t;
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194
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195
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196 #define NGX_CONF_BITMASK_SET 1
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197
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198 typedef struct {
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56
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199 ngx_str_t name;
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200 ngx_uint_t mask;
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201 } ngx_conf_bitmask_t;
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202
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203
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204 char *ngx_conf_check_num_bounds(ngx_conf_t *cf, void *post, void *data);
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205
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206
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207 #define ngx_get_conf(conf_ctx, module) conf_ctx[module.index]
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208
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209
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210
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211 #define ngx_conf_init_value(conf, default) \
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212 if (conf == NGX_CONF_UNSET) { \
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213 conf = default; \
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214 }
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215
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216 #define ngx_conf_init_ptr_value(conf, default) \
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217 if (conf == NGX_CONF_UNSET_PTR) { \
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218 conf = default; \
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219 }
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220
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221 #define ngx_conf_init_unsigned_value(conf, default) \
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222 if (conf == (unsigned) NGX_CONF_UNSET) { \
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223 conf = default; \
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224 }
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225
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226 #define ngx_conf_init_size_value(conf, default) \
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227 if (conf == NGX_CONF_UNSET_SIZE) { \
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228 conf = default; \
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229 }
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230
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231 #define ngx_conf_init_msec_value(conf, default) \
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232 if (conf == NGX_CONF_UNSET_MSEC) { \
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233 conf = default; \
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234 }
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235
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236 #define ngx_conf_merge_value(conf, prev, default) \
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237 if (conf == NGX_CONF_UNSET) { \
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238 conf = (prev == NGX_CONF_UNSET) ? default : prev; \
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239 }
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240
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241 #define ngx_conf_merge_ptr_value(conf, prev, default) \
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242 if (conf == NULL) { \
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243 conf = (prev == NULL) ? default : prev; \
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244 }
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245
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246 #define ngx_conf_merge_unsigned_value(conf, prev, default) \
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247 if (conf == NGX_CONF_UNSET_UINT) { \
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248 conf = (prev == NGX_CONF_UNSET_UINT) ? default : prev; \
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249 }
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250
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251 #define ngx_conf_merge_msec_value(conf, prev, default) \
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252 if (conf == NGX_CONF_UNSET_MSEC) { \
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253 conf = (prev == NGX_CONF_UNSET_MSEC) ? default : prev; \
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254 }
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255
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256 #define ngx_conf_merge_sec_value(conf, prev, default) \
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257 if (conf == NGX_CONF_UNSET) { \
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258 conf = (prev == NGX_CONF_UNSET) ? default : prev; \
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259 }
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260
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261 #define ngx_conf_merge_size_value(conf, prev, default) \
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262 if (conf == NGX_CONF_UNSET_SIZE) { \
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263 conf = (prev == NGX_CONF_UNSET_SIZE) ? default : prev; \
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264 }
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265
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266 #define ngx_conf_merge_str_value(conf, prev, default) \
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28
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267 if (conf.data == NULL) { \
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268 if (prev.data) { \
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269 conf.len = prev.len; \
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270 conf.data = prev.data; \
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271 } else { \
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272 conf.len = sizeof(default) - 1; \
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273 conf.data = (u_char *) default; \
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274 } \
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275 }
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276
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277 #define ngx_conf_merge_bufs_value(conf, prev, default_num, default_size) \
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278 if (conf.num == 0) { \
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279 if (prev.num) { \
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280 conf.num = prev.num; \
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281 conf.size = prev.size; \
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282 } else { \
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283 conf.num = default_num; \
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284 conf.size = default_size; \
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285 } \
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286 }
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287
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288 #define ngx_conf_merge_bitmask_value(conf, prev, default) \
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289 if (conf == 0) { \
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290 conf = (prev == 0) ? default : prev; \
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291 }
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292
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293
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294 #define addressof(addr) ((int) &addr)
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295
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296
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297 char *ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename);
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298
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299
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300 ngx_int_t ngx_conf_full_name(ngx_cycle_t *cycle, ngx_str_t *name);
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301 ngx_open_file_t *ngx_conf_open_file(ngx_cycle_t *cycle, ngx_str_t *name);
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302 void ngx_cdecl ngx_conf_log_error(ngx_uint_t level, ngx_conf_t *cf,
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303 ngx_err_t err, char *fmt, ...);
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0
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304
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305
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306 char *ngx_conf_set_flag_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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307 char *ngx_conf_set_str_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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308 char *ngx_conf_set_table_elt_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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309 void *conf);
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0
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310 char *ngx_conf_set_num_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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311 char *ngx_conf_set_size_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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312 char *ngx_conf_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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313 char *ngx_conf_set_sec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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314 char *ngx_conf_set_bufs_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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315 char *ngx_conf_set_enum_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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316 char *ngx_conf_set_bitmask_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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317
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318
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319 extern ngx_uint_t ngx_max_module;
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320 extern ngx_module_t *ngx_modules[];
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321
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322
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323 #endif /* _NGX_HTTP_CONF_FILE_H_INCLUDED_ */
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