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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_FILE_H_INCLUDED_
#define _NGX_FILE_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
typedef struct ngx_path_s ngx_path_t;
#include <ngx_garbage_collector.h>
struct ngx_file_s {
ngx_fd_t fd;
ngx_str_t name;
ngx_file_info_t info;
off_t offset;
off_t sys_offset;
ngx_log_t *log;
ngx_uint_t valid_info:1; /* unsigned valid_info:1; */
};
#define NGX_MAX_PATH_LEVEL 3
struct ngx_path_s {
ngx_str_t name;
ngx_uint_t len;
ngx_uint_t level[3];
ngx_gc_handler_pt cleaner;
u_char *conf_file;
ngx_uint_t line;
};
typedef struct {
ngx_file_t file;
off_t offset;
ngx_path_t *path;
ngx_pool_t *pool;
char *warn;
unsigned persistent:1;
} ngx_temp_file_t;
ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
ngx_pool_t *pool, int persistent);
void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path);
ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path);
ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot);
ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user);
void ngx_init_temp_number();
ngx_atomic_int_t ngx_next_temp_number(ngx_uint_t collision);
char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
#define ngx_conf_merge_path_value(curr, prev, path, l1, l2, l3, clean, cf) \
if (curr == NULL) { \
if (prev == NULL) { \
if (!(curr = ngx_palloc(cf->pool, sizeof(ngx_path_t)))) { \
return NGX_CONF_ERROR; \
} \
\
curr->name.len = sizeof(path) - 1; \
curr->name.data = (u_char *) path; \
\
if (ngx_conf_full_name(cf->cycle, &curr->name) == NGX_ERROR) { \
return NGX_CONF_ERROR; \
} \
\
curr->level[0] = l1; \
curr->level[1] = l2; \
curr->level[2] = l3; \
curr->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \
curr->cleaner = clean; \
curr->conf_file = NULL; \
\
if (ngx_add_path(cf, &curr) == NGX_ERROR) { \
return NGX_CONF_ERROR; \
} \
\
} else { \
curr = prev; \
} \
}
#endif /* _NGX_FILE_H_INCLUDED_ */
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