mirror of
https://github.com/nginx/nginx.git
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127 lines
4.7 KiB
C
127 lines
4.7 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#ifndef _NGX_FILE_H_INCLUDED_
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#define _NGX_FILE_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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typedef struct ngx_path_s ngx_path_t;
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#include <ngx_garbage_collector.h>
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struct ngx_file_s {
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ngx_fd_t fd;
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ngx_str_t name;
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ngx_file_info_t info;
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off_t offset;
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off_t sys_offset;
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ngx_log_t *log;
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ngx_uint_t valid_info; /* unsigned valid_info:1; */
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};
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#define NGX_MAX_PATH_LEVEL 3
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struct ngx_path_s {
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ngx_str_t name;
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size_t len;
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size_t level[3];
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ngx_gc_handler_pt cleaner;
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u_char *conf_file;
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ngx_uint_t line;
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};
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typedef struct {
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ngx_file_t file;
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off_t offset;
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ngx_path_t *path;
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ngx_pool_t *pool;
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char *warn;
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ngx_uint_t access;
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unsigned log_level:8;
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unsigned persistent:1;
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} ngx_temp_file_t;
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typedef struct ngx_tree_ctx_s ngx_tree_ctx_t;
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typedef ngx_int_t (*ngx_tree_init_handler_pt) (ngx_tree_ctx_t *ctx,
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ngx_tree_ctx_t *prev);
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typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name);
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struct ngx_tree_ctx_s {
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ngx_tree_init_handler_pt init_handler;
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ngx_tree_handler_pt file_handler;
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ngx_tree_handler_pt pre_tree_handler;
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ngx_tree_handler_pt post_tree_handler;
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ngx_tree_handler_pt spec_handler;
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void *data;
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size_t size;
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ngx_log_t *log;
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};
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ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
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ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
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ngx_pool_t *pool, ngx_uint_t persistent,ngx_uint_t access);
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void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path);
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ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path);
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ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access);
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ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot);
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ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user);
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ngx_int_t ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree);
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void ngx_init_temp_number(void);
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ngx_atomic_uint_t ngx_next_temp_number(ngx_uint_t collision);
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char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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#define ngx_conf_merge_path_value(curr, prev, path, l1, l2, l3, clean, cf) \
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if (curr == NULL) { \
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if (prev == NULL) { \
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curr = ngx_palloc(cf->pool, sizeof(ngx_path_t)); \
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if (curr == NULL) { \
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return NGX_CONF_ERROR; \
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} \
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\
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curr->name.len = sizeof(path) - 1; \
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curr->name.data = (u_char *) path; \
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\
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if (ngx_conf_full_name(cf->cycle, &curr->name) == NGX_ERROR) { \
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return NGX_CONF_ERROR; \
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} \
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\
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curr->level[0] = l1; \
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curr->level[1] = l2; \
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curr->level[2] = l3; \
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curr->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \
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curr->cleaner = clean; \
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curr->conf_file = NULL; \
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\
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if (ngx_add_path(cf, &curr) == NGX_ERROR) { \
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return NGX_CONF_ERROR; \
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} \
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\
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} else { \
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curr = prev; \
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} \
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}
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#endif /* _NGX_FILE_H_INCLUDED_ */
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