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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_FILES_H_INCLUDED_
#define _NGX_FILES_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#define NGX_INVALID_FILE -1
#define NGX_FILE_ERROR -1
#define ngx_open_file(name, access, create) \
open((const char *) name, access|create, 0644)
#define ngx_open_file_n "open()"
#define NGX_FILE_RDONLY O_RDONLY
#define NGX_FILE_RDWR O_RDWR
#define NGX_FILE_CREATE_OR_OPEN O_CREAT
#define NGX_FILE_OPEN 0
#define NGX_FILE_TRUNCATE O_TRUNC
#define NGX_FILE_APPEND O_APPEND
#define ngx_close_file close
#define ngx_close_file_n "close()"
#define ngx_delete_file(name) unlink((const char *) name)
#define ngx_delete_file_n "unlink()"
ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent);
#define ngx_open_tempfile_n "open()"
ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
#define ngx_read_file_n "read()"
ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
off_t offset);
ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
off_t offset, ngx_pool_t *pool);
#define ngx_write_fd write
#define ngx_linefeed(p) *p++ = LF;
#define NGX_LINEFEED_SIZE 1
#define ngx_rename_file rename
#define ngx_rename_file_n "rename"
#define ngx_file_info(file, sb) stat((const char *) file, sb)
#define ngx_file_info_n "stat()"
#define ngx_fd_info(fd, sb) fstat(fd, sb)
#define ngx_fd_info_n "fstat()"
#define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode))
#define ngx_is_file(sb) (S_ISREG((sb)->st_mode))
#define ngx_file_size(sb) (sb)->st_size
#define ngx_file_mtime(sb) (sb)->st_mtime
#define ngx_file_uniq(sb) (sb)->st_ino
#define ngx_getcwd(buf, size) (getcwd(buf, size) != NULL)
#define ngx_getcwd_n "getcwd()"
#define NGX_MAX_PATH PATH_MAX
#define NGX_DIR_MASK_LEN 0
ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
#define ngx_open_dir_n "opendir()"
#define ngx_close_dir(d) closedir((d)->dir)
#define ngx_close_dir_n "closedir()"
#define ngx_read_dir(d) \
(((d)->de = readdir((d)->dir)) ? NGX_OK : NGX_ERROR)
#define ngx_read_dir_n "readdir()"
#define ngx_create_dir(name) mkdir((const char *) name, 0700)
#define ngx_create_dir_n "mkdir()"
#define ngx_delete_dir(name) rmdir((const char *) name)
#define ngx_delete_dir_n "rmdir()"
#define ngx_de_name(dir) ((u_char *) (dir)->de->d_name)
#if (NGX_FREEBSD)
#define ngx_de_namelen(dir) (dir)->de->d_namlen
#else
#define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name)
#endif
#define ngx_de_info(name, dir) stat((const char *) name, &(dir)->info)
#define ngx_de_info_n "stat()"
#define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info)
#define ngx_de_link_info_n "lstat()"
#define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode))
#define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode))
#define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode))
#define ngx_de_size(dir) (dir)->info.st_size
#define ngx_de_mtime(dir) (dir)->info.st_mtime
ngx_err_t ngx_trylock_fd(ngx_fd_t fd);
ngx_err_t ngx_lock_fd(ngx_fd_t fd);
ngx_err_t ngx_unlock_fd(ngx_fd_t fd);
#define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)"
#define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)"
#define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)"
#endif /* _NGX_FILES_H_INCLUDED_ */
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