1// posix_tools.hpp -------------------------------------------------------------------//
2
3// Copyright 2021-2024 Andrey Semashev
4
5// Distributed under the Boost Software License, Version 1.0.
6// See http://www.boost.org/LICENSE_1_0.txt
7
8// See library home page at http://www.boost.org/libs/filesystem
9
10//--------------------------------------------------------------------------------------//
11
12#ifndef BOOST_FILESYSTEM_SRC_POSIX_TOOLS_HPP_
13#define BOOST_FILESYSTEM_SRC_POSIX_TOOLS_HPP_
14
15#include "platform_config.hpp"
16#include <boost/filesystem/config.hpp>
17#include <unistd.h>
18#include <fcntl.h>
19
20#include <boost/scope/unique_fd.hpp>
21#include <boost/system/error_code.hpp>
22#include <boost/filesystem/path.hpp>
23#include <boost/filesystem/file_status.hpp>
24#include <boost/filesystem/directory.hpp>
25#include <boost/filesystem/detail/header.hpp> // must be the last #include
26
27namespace boost {
28namespace filesystem {
29namespace detail {
30
31//! Platform-specific parameters for directory iterator construction
32struct directory_iterator_params
33{
34#if defined(BOOST_FILESYSTEM_HAS_FDOPENDIR_NOFOLLOW)
35 //! File descriptor of the directory to iterate over. If not a negative value, the directory path is only used to generate paths returned by the iterator.
36 boost::scope::unique_fd dir_fd;
37#endif
38};
39
40//! status() implementation
41file_status status_impl
42(
43 path const& p,
44 system::error_code* ec
45#if defined(BOOST_FILESYSTEM_HAS_POSIX_AT_APIS) || defined(BOOST_FILESYSTEM_USE_STATX)
46 , int basedir_fd = AT_FDCWD
47#endif
48);
49
50//! symlink_status() implementation
51file_status symlink_status_impl
52(
53 path const& p,
54 system::error_code* ec
55#if defined(BOOST_FILESYSTEM_HAS_POSIX_AT_APIS) || defined(BOOST_FILESYSTEM_USE_STATX)
56 , int basedir_fd = AT_FDCWD
57#endif
58);
59
60#if defined(BOOST_POSIX_API)
61
62//! Opens a directory file and returns a file descriptor. Returns a negative value in case of error.
63boost::scope::unique_fd open_directory(path const& p, directory_options opts, system::error_code& ec);
64
65#if defined(BOOST_FILESYSTEM_HAS_POSIX_AT_APIS)
66//! Opens a directory file and returns a file descriptor. Returns a negative value in case of error.
67boost::scope::unique_fd openat_directory(int basedir_fd, path const& p, directory_options opts, system::error_code& ec);
68#endif // defined(BOOST_FILESYSTEM_HAS_POSIX_AT_APIS)
69
70#endif // defined(BOOST_POSIX_API)
71
72} // namespace detail
73} // namespace filesystem
74} // namespace boost
75
76#include <boost/filesystem/detail/footer.hpp>
77
78#endif // BOOST_FILESYSTEM_SRC_POSIX_TOOLS_HPP_
79

source code of boost/libs/filesystem/src/posix_tools.hpp