nginx/src/core/ngx_file.h
2003-11-21 06:30:49 +00:00

77 lines
2.3 KiB
C

#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;
unsigned info_valid:1;
};
#define NGX_MAX_PATH_LEVEL 3
struct ngx_path_s {
ngx_str_t name;
u_int len;
u_int level[3];
ngx_gc_handler_pt gc_handler;
};
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;
int ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
int 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);
int ngx_create_path(ngx_file_t *file, ngx_path_t *path);
void ngx_init_temp_number();
int ngx_next_temp_number(int collision);
char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
#define ngx_conf_merge_path_value(conf, prev, path, l1, l2, l3, pool) \
if (conf == NULL) { \
if (prev == NULL) { \
ngx_test_null(conf, ngx_palloc(pool, sizeof(ngx_path_t)), NULL); \
conf->name.len = sizeof(path) - 1; \
conf->name.data = path; \
conf->level[0] = l1; \
conf->level[1] = l2; \
conf->level[2] = l3; \
conf->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \
} else { \
conf = prev; \
} \
}
#endif /* _NGX_FILE_H_INCLUDED_ */