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48
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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_VARIABLES_H_INCLUDED_
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8 #define _NGX_HTTP_VARIABLES_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_event.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 #define NGX_HTTP_VARIABLE_NOT_FOUND (ngx_http_variable_value_t *) -1
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18
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19
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20 typedef struct {
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21 ngx_uint_t value;
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22 ngx_str_t text;
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23 } ngx_http_variable_value_t;
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24
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25
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26 typedef struct ngx_http_variable_s ngx_http_variable_t;
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27
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28 typedef ngx_http_variable_value_t *
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29 (*ngx_http_get_variable_pt) (ngx_http_request_t *r, void *var);
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30
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31
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32 struct ngx_http_variable_s {
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33 ngx_str_t name;
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34 ngx_uint_t index;
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35 ngx_http_get_variable_pt handler;
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36 void *data;
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37 ngx_uint_t uses;
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38 };
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39
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40
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41 typedef ngx_http_variable_value_t *
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42 (*ngx_http_get_core_variable_pt) (ngx_http_request_t *r, uintptr_t data);
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43
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44 typedef struct {
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45 ngx_str_t name;
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46 ngx_http_get_core_variable_pt handler;
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47 uintptr_t data;
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48 } ngx_http_core_variable_t;
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49
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50
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51 ngx_http_variable_t *ngx_http_add_variable(ngx_conf_t *cf);
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52 ngx_int_t ngx_http_get_variable_index(ngx_http_core_main_conf_t *cmcf,
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53 ngx_str_t *name);
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54 ngx_http_variable_value_t *ngx_http_get_indexed_variable(ngx_http_request_t *r,
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55 ngx_uint_t index);
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56 ngx_http_variable_value_t *ngx_http_get_variable(ngx_http_request_t *r,
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57 ngx_str_t *name);
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58 ngx_int_t ngx_http_core_variables_init(ngx_cycle_t *cycle);
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59
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60
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61 #endif /* _NGX_HTTP_VARIABLES_H_INCLUDED_ */
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