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56
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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_SCRIPT_H_INCLUDED_
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8 #define _NGX_HTTP_SCRIPT_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 #include <ngx_http.h>
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14
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15
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16 typedef struct {
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122
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17 u_char *ip;
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18 u_char *pos;
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19 ngx_http_variable_value_t *sp;
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58
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20
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122
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21 ngx_str_t buf;
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22 ngx_str_t line;
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58
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23
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24 /* the start of the rewritten arguments */
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122
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25 u_char *args;
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56
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26
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122
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27 unsigned flushed:1;
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28 unsigned skip:1;
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29 unsigned quote:1;
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366
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30 unsigned is_args:1;
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122
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31 unsigned log:1;
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32
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122
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33 ngx_int_t status;
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34 ngx_http_request_t *request;
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56
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35 } ngx_http_script_engine_t;
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36
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37
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58
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38 typedef struct {
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122
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39 ngx_conf_t *cf;
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40 ngx_str_t *source;
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58
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41
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122
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42 ngx_array_t **flushes;
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43 ngx_array_t **lengths;
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44 ngx_array_t **values;
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58
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45
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122
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46 ngx_uint_t variables;
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47 ngx_uint_t ncaptures;
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190
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48 ngx_uint_t captures_mask;
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122
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49 ngx_uint_t size;
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50
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51 void *main;
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56
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52
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122
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53 unsigned compile_args:1;
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54 unsigned complete_lengths:1;
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55 unsigned complete_values:1;
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190
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56 unsigned dup_capture:1;
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58
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57
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122
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58 unsigned args:1;
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58
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59 } ngx_http_script_compile_t;
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60
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61
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62 typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e);
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63 typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e);
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56
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64
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65
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66 typedef struct {
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67 ngx_http_script_code_pt code;
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68 uintptr_t len;
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69 } ngx_http_script_copy_code_t;
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70
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71
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72 typedef struct {
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73 ngx_http_script_code_pt code;
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74 uintptr_t index;
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75 } ngx_http_script_var_code_t;
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76
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77
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58
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78 typedef struct {
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186
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79 ngx_http_script_code_pt code;
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80 ngx_http_set_variable_pt handler;
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81 uintptr_t data;
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82 } ngx_http_script_var_handler_code_t;
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83
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84
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85 typedef struct {
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86 ngx_http_script_code_pt code;
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87 uintptr_t n;
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88 } ngx_http_script_copy_capture_code_t;
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89
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90
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66
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91 #if (NGX_PCRE)
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92
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58
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93 typedef struct {
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94 ngx_http_script_code_pt code;
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95 ngx_regex_t *regex;
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96 ngx_array_t *lengths;
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97 uintptr_t size;
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98 uintptr_t ncaptures;
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99 uintptr_t status;
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100 uintptr_t next;
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101
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102 uintptr_t test:1;
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180
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103 uintptr_t negative_test:1;
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104 uintptr_t uri:1;
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105 uintptr_t args:1;
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106
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107 /* add the r->args to the new arguments */
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108 uintptr_t add_args:1;
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126
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109
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110 uintptr_t redirect:1;
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111 uintptr_t break_cycle:1;
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112
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113 ngx_str_t name;
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114 } ngx_http_script_regex_code_t;
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115
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116
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117 typedef struct {
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118 ngx_http_script_code_pt code;
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119
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120 uintptr_t uri:1;
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121 uintptr_t args:1;
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122
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123 /* add the r->args to the new arguments */
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124 uintptr_t add_args:1;
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125
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126 uintptr_t redirect:1;
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127 } ngx_http_script_regex_end_code_t;
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128
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66
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129 #endif
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130
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56
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131
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58
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132 typedef struct {
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133 ngx_http_script_code_pt code;
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134 uintptr_t status;
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135 uintptr_t null;
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136 } ngx_http_script_return_code_t;
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137
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138
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180
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139 typedef enum {
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140 ngx_http_script_file_plain = 0,
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218
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141 ngx_http_script_file_not_plain,
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142 ngx_http_script_file_dir,
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143 ngx_http_script_file_not_dir,
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144 ngx_http_script_file_exists,
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145 ngx_http_script_file_not_exists,
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146 ngx_http_script_file_exec,
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147 ngx_http_script_file_not_exec
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180
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148 } ngx_http_script_file_op_e;
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149
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150
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151 typedef struct {
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152 ngx_http_script_code_pt code;
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153 uintptr_t op;
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154 } ngx_http_script_file_code_t;
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155
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156
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58
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157 typedef struct {
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158 ngx_http_script_code_pt code;
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159 uintptr_t next;
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160 void **loc_conf;
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161 } ngx_http_script_if_code_t;
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162
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163
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164 typedef struct {
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165 ngx_http_script_code_pt code;
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64
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166 ngx_array_t *lengths;
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167 } ngx_http_script_complex_value_code_t;
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168
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169
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170 typedef struct {
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171 ngx_http_script_code_pt code;
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58
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172 uintptr_t value;
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173 uintptr_t text_len;
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174 uintptr_t text_data;
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175 } ngx_http_script_value_code_t;
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176
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177
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178 ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value);
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179 ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc);
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172
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180 u_char *ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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181 void *code_lengths, size_t reserved, void *code_values);
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340
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182 void ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
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122
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183 ngx_array_t *indices);
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58
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184
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185 void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes,
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186 size_t size);
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187 void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code);
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188
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189 size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e);
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190 void ngx_http_script_copy_code(ngx_http_script_engine_t *e);
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191 size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e);
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192 void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e);
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193 size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e);
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194 void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
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366
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195 size_t ngx_http_script_mark_args_code(ngx_http_script_engine_t *e);
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66
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196 void ngx_http_script_start_args_code(ngx_http_script_engine_t *e);
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197 #if (NGX_PCRE)
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58
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198 void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e);
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199 void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e);
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66
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200 #endif
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58
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201 void ngx_http_script_return_code(ngx_http_script_engine_t *e);
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76
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202 void ngx_http_script_break_code(ngx_http_script_engine_t *e);
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58
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203 void ngx_http_script_if_code(ngx_http_script_engine_t *e);
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126
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204 void ngx_http_script_equal_code(ngx_http_script_engine_t *e);
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205 void ngx_http_script_not_equal_code(ngx_http_script_engine_t *e);
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180
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206 void ngx_http_script_file_code(ngx_http_script_engine_t *e);
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64
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207 void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e);
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208 void ngx_http_script_value_code(ngx_http_script_engine_t *e);
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209 void ngx_http_script_set_var_code(ngx_http_script_engine_t *e);
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186
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210 void ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e);
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58
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211 void ngx_http_script_var_code(ngx_http_script_engine_t *e);
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212 void ngx_http_script_nop_code(ngx_http_script_engine_t *e);
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213
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214
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215 #endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */
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