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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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660
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4 * Copyright (C) Nginx, Inc.
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56
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5 */
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6
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7
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8 #ifndef _NGX_HTTP_SCRIPT_H_INCLUDED_
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9 #define _NGX_HTTP_SCRIPT_H_INCLUDED_
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10
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_http.h>
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15
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16
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17 typedef struct {
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122
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18 u_char *ip;
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19 u_char *pos;
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20 ngx_http_variable_value_t *sp;
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58
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21
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122
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22 ngx_str_t buf;
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23 ngx_str_t line;
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58
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24
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25 /* the start of the rewritten arguments */
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122
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26 u_char *args;
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56
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27
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122
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28 unsigned flushed:1;
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29 unsigned skip:1;
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30 unsigned quote:1;
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366
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31 unsigned is_args:1;
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122
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32 unsigned log:1;
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58
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33
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122
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34 ngx_int_t status;
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35 ngx_http_request_t *request;
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56
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36 } ngx_http_script_engine_t;
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37
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38
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58
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39 typedef struct {
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122
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40 ngx_conf_t *cf;
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41 ngx_str_t *source;
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58
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42
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122
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43 ngx_array_t **flushes;
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44 ngx_array_t **lengths;
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45 ngx_array_t **values;
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58
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46
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122
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47 ngx_uint_t variables;
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48 ngx_uint_t ncaptures;
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190
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49 ngx_uint_t captures_mask;
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122
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50 ngx_uint_t size;
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51
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52 void *main;
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56
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53
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122
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54 unsigned compile_args:1;
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55 unsigned complete_lengths:1;
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56 unsigned complete_values:1;
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464
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57 unsigned zero:1;
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58 unsigned conf_prefix:1;
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59 unsigned root_prefix:1;
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60
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190
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61 unsigned dup_capture:1;
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122
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62 unsigned args:1;
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58
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63 } ngx_http_script_compile_t;
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64
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65
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464
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66 typedef struct {
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67 ngx_str_t value;
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68 ngx_uint_t *flushes;
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69 void *lengths;
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70 void *values;
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71 } ngx_http_complex_value_t;
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72
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73
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74 typedef struct {
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75 ngx_conf_t *cf;
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76 ngx_str_t *value;
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77 ngx_http_complex_value_t *complex_value;
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78
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79 unsigned zero:1;
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80 unsigned conf_prefix:1;
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81 unsigned root_prefix:1;
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82 } ngx_http_compile_complex_value_t;
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83
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84
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58
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85 typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e);
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86 typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e);
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56
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87
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88
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89 typedef struct {
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464
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90 ngx_http_script_code_pt code;
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91 uintptr_t len;
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56
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92 } ngx_http_script_copy_code_t;
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93
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94
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95 typedef struct {
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464
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96 ngx_http_script_code_pt code;
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97 uintptr_t index;
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98 } ngx_http_script_var_code_t;
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99
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100
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58
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101 typedef struct {
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464
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102 ngx_http_script_code_pt code;
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103 ngx_http_set_variable_pt handler;
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104 uintptr_t data;
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186
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105 } ngx_http_script_var_handler_code_t;
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106
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107
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108 typedef struct {
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464
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109 ngx_http_script_code_pt code;
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110 uintptr_t n;
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58
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111 } ngx_http_script_copy_capture_code_t;
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112
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113
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66
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114 #if (NGX_PCRE)
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115
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58
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116 typedef struct {
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464
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117 ngx_http_script_code_pt code;
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546
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118 ngx_http_regex_t *regex;
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464
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119 ngx_array_t *lengths;
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120 uintptr_t size;
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121 uintptr_t status;
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122 uintptr_t next;
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58
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123
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464
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124 uintptr_t test:1;
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125 uintptr_t negative_test:1;
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126 uintptr_t uri:1;
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127 uintptr_t args:1;
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58
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128
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129 /* add the r->args to the new arguments */
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464
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130 uintptr_t add_args:1;
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126
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131
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464
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132 uintptr_t redirect:1;
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133 uintptr_t break_cycle:1;
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134
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135 ngx_str_t name;
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58
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136 } ngx_http_script_regex_code_t;
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137
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138
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139 typedef struct {
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464
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140 ngx_http_script_code_pt code;
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58
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141
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464
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142 uintptr_t uri:1;
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143 uintptr_t args:1;
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58
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144
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145 /* add the r->args to the new arguments */
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464
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146 uintptr_t add_args:1;
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58
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147
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464
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148 uintptr_t redirect:1;
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58
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149 } ngx_http_script_regex_end_code_t;
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56
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150
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66
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151 #endif
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152
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56
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153
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58
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154 typedef struct {
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464
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155 ngx_http_script_code_pt code;
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482
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156 uintptr_t conf_prefix;
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464
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157 } ngx_http_script_full_name_code_t;
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158
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159
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160 typedef struct {
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161 ngx_http_script_code_pt code;
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162 uintptr_t status;
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580
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163 ngx_http_complex_value_t text;
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58
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164 } ngx_http_script_return_code_t;
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165
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166
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180
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167 typedef enum {
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168 ngx_http_script_file_plain = 0,
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218
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169 ngx_http_script_file_not_plain,
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170 ngx_http_script_file_dir,
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171 ngx_http_script_file_not_dir,
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172 ngx_http_script_file_exists,
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173 ngx_http_script_file_not_exists,
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174 ngx_http_script_file_exec,
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175 ngx_http_script_file_not_exec
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180
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176 } ngx_http_script_file_op_e;
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177
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178
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179 typedef struct {
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464
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180 ngx_http_script_code_pt code;
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181 uintptr_t op;
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180
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182 } ngx_http_script_file_code_t;
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183
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184
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58
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185 typedef struct {
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464
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186 ngx_http_script_code_pt code;
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187 uintptr_t next;
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188 void **loc_conf;
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58
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189 } ngx_http_script_if_code_t;
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190
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191
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192 typedef struct {
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464
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193 ngx_http_script_code_pt code;
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194 ngx_array_t *lengths;
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64
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195 } ngx_http_script_complex_value_code_t;
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196
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197
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198 typedef struct {
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464
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199 ngx_http_script_code_pt code;
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200 uintptr_t value;
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201 uintptr_t text_len;
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202 uintptr_t text_data;
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58
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203 } ngx_http_script_value_code_t;
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204
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56
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205
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468
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206 void ngx_http_script_flush_complex_value(ngx_http_request_t *r,
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464
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207 ngx_http_complex_value_t *val);
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208 ngx_int_t ngx_http_complex_value(ngx_http_request_t *r,
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209 ngx_http_complex_value_t *val, ngx_str_t *value);
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210 ngx_int_t ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv);
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598
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211 char *ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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596
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212 void *conf);
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213
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464
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214
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588
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215 ngx_int_t ngx_http_test_predicates(ngx_http_request_t *r,
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216 ngx_array_t *predicates);
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217 char *ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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218 void *conf);
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219
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220 ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value);
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221 ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc);
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172
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222 u_char *ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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223 void *code_lengths, size_t reserved, void *code_values);
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340
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224 void ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
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122
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225 ngx_array_t *indices);
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58
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226
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227 void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes,
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228 size_t size);
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229 void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code);
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230
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231 size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e);
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232 void ngx_http_script_copy_code(ngx_http_script_engine_t *e);
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233 size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e);
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234 void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e);
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235 size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e);
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236 void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
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366
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237 size_t ngx_http_script_mark_args_code(ngx_http_script_engine_t *e);
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66
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238 void ngx_http_script_start_args_code(ngx_http_script_engine_t *e);
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239 #if (NGX_PCRE)
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58
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240 void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e);
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241 void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e);
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66
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242 #endif
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58
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243 void ngx_http_script_return_code(ngx_http_script_engine_t *e);
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76
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244 void ngx_http_script_break_code(ngx_http_script_engine_t *e);
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58
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245 void ngx_http_script_if_code(ngx_http_script_engine_t *e);
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126
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246 void ngx_http_script_equal_code(ngx_http_script_engine_t *e);
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247 void ngx_http_script_not_equal_code(ngx_http_script_engine_t *e);
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180
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248 void ngx_http_script_file_code(ngx_http_script_engine_t *e);
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249 void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e);
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250 void ngx_http_script_value_code(ngx_http_script_engine_t *e);
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251 void ngx_http_script_set_var_code(ngx_http_script_engine_t *e);
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186
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252 void ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e);
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58
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253 void ngx_http_script_var_code(ngx_http_script_engine_t *e);
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254 void ngx_http_script_nop_code(ngx_http_script_engine_t *e);
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255
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256
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257 #endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */
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