operations.hpp
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// boost/filesystem/operations.hpp ---------------------------------------------------//
// Copyright Beman Dawes 2002-2009
// Copyright Jan Langer 2002
// Copyright Dietmar Kuehl 2001
// Copyright Vladimir Prus 2002
// Copyright Andrey Semashev 2020-2021
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
// Library home page: http://www.boost.org/libs/filesystem
//--------------------------------------------------------------------------------------//
#ifndef BOOST_FILESYSTEM_OPERATIONS_HPP
#define BOOST_FILESYSTEM_OPERATIONS_HPP
#include <boost/filesystem/config.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/file_status.hpp>
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
// These includes are left for backward compatibility and should be included directly by users, as needed
#include <boost/filesystem/exception.hpp>
#include <boost/filesystem/directory.hpp>
#endif
#include <boost/detail/bitmask.hpp>
#include <boost/core/scoped_enum.hpp>
#include <boost/system/error_code.hpp>
#include <boost/cstdint.hpp>
#include <cstddef>
#include <ctime>
#include <string>
#include <boost/filesystem/detail/header.hpp> // must be the last #include
//--------------------------------------------------------------------------------------//
namespace boost {
namespace filesystem {
struct space_info
{
// all values are byte counts
boost::uintmax_t capacity;
boost::uintmax_t free; // <= capacity
boost::uintmax_t available; // <= free
};
BOOST_SCOPED_ENUM_UT_DECLARE_BEGIN(copy_options, unsigned int)
{
none = 0u, // Default. For copy_file: error if the target file exists. For copy: do not recurse, follow symlinks, copy file contents.
// copy_file options:
skip_existing = 1u, // Don't overwrite the existing target file, don't report an error
overwrite_existing = 1u << 1, // Overwrite existing file
update_existing = 1u << 2, // Overwrite existing file if its last write time is older than the replacement file
synchronize_data = 1u << 3, // Flush all buffered data written to the target file to permanent storage
synchronize = 1u << 4, // Flush all buffered data and attributes written to the target file to permanent storage
// copy options:
recursive = 1u << 8, // Recurse into sub-directories
copy_symlinks = 1u << 9, // Copy symlinks as symlinks instead of copying the referenced file
skip_symlinks = 1u << 10, // Don't copy symlinks
directories_only = 1u << 11, // Only copy directory structure, do not copy non-directory files
create_symlinks = 1u << 12, // Create symlinks instead of copying files
create_hard_links = 1u << 13, // Create hard links instead of copying files
_detail_recursing = 1u << 14 // Internal use only, do not use
}
BOOST_SCOPED_ENUM_DECLARE_END(copy_options)
BOOST_BITMASK(BOOST_SCOPED_ENUM_NATIVE(copy_options))
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
BOOST_SCOPED_ENUM_DECLARE_BEGIN(copy_option)
{
none = static_cast< unsigned int >(copy_options::none),
fail_if_exists = none,
overwrite_if_exists = static_cast< unsigned int >(copy_options::overwrite_existing)
}
BOOST_SCOPED_ENUM_DECLARE_END(copy_option)
#endif
//--------------------------------------------------------------------------------------//
// implementation details //
//--------------------------------------------------------------------------------------//
namespace detail {
BOOST_FILESYSTEM_DECL
path absolute(path const& p, path const& base, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
file_status status(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
file_status symlink_status(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
bool is_empty(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path initial_path(system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path canonical(path const& p, path const& base, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void copy(path const& from, path const& to, unsigned int options, system::error_code* ec = NULL);
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
BOOST_FILESYSTEM_DECL
void copy_directory(path const& from, path const& to, system::error_code* ec = NULL);
#endif
BOOST_FILESYSTEM_DECL
bool copy_file(path const& from, path const& to, // See ticket #2925
unsigned int options, system::error_code* ec = NULL); // see copy_options for options
BOOST_FILESYSTEM_DECL
void copy_symlink(path const& existing_symlink, path const& new_symlink, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
bool create_directories(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
bool create_directory(path const& p, const path* existing, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void create_directory_symlink(path const& to, path const& from, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void create_hard_link(path const& to, path const& from, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void create_symlink(path const& to, path const& from, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path current_path(system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void current_path(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
bool equivalent(path const& p1, path const& p2, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
boost::uintmax_t file_size(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
boost::uintmax_t hard_link_count(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
std::time_t creation_time(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
std::time_t last_write_time(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void last_write_time(path const& p, const std::time_t new_time, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void permissions(path const& p, perms prms, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path read_symlink(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path relative(path const& p, path const& base, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
bool remove(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
boost::uintmax_t remove_all(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void rename(path const& old_p, path const& new_p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
void resize_file(path const& p, uintmax_t size, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
space_info space(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path system_complete(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path temp_directory_path(system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path unique_path(path const& p, system::error_code* ec = NULL);
BOOST_FILESYSTEM_DECL
path weakly_canonical(path const& p, path const& base, system::error_code* ec = NULL);
} // namespace detail
//--------------------------------------------------------------------------------------//
// //
// status query functions //
// //
//--------------------------------------------------------------------------------------//
inline file_status status(path const& p)
{
return detail::status(p);
}
inline file_status status(path const& p, system::error_code& ec)
{
return detail::status(p, &ec);
}
inline file_status symlink_status(path const& p)
{
return detail::symlink_status(p);
}
inline file_status symlink_status(path const& p, system::error_code& ec)
{
return detail::symlink_status(p, &ec);
}
inline bool exists(path const& p)
{
return exists(detail::status(p));
}
inline bool exists(path const& p, system::error_code& ec)
{
return exists(detail::status(p, &ec));
}
inline bool is_directory(path const& p)
{
return is_directory(detail::status(p));
}
inline bool is_directory(path const& p, system::error_code& ec)
{
return is_directory(detail::status(p, &ec));
}
inline bool is_regular_file(path const& p)
{
return is_regular_file(detail::status(p));
}
inline bool is_regular_file(path const& p, system::error_code& ec)
{
return is_regular_file(detail::status(p, &ec));
}
inline bool is_other(path const& p)
{
return is_other(detail::status(p));
}
inline bool is_other(path const& p, system::error_code& ec)
{
return is_other(detail::status(p, &ec));
}
inline bool is_symlink(path const& p)
{
return is_symlink(detail::symlink_status(p));
}
inline bool is_symlink(path const& p, system::error_code& ec)
{
return is_symlink(detail::symlink_status(p, &ec));
}
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use is_regular_file() instead")
inline bool is_regular(path const& p)
{
return filesystem::is_regular_file(p);
}
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use is_regular_file() instead")
inline bool is_regular(path const& p, system::error_code& ec)
{
return filesystem::is_regular_file(p, ec);
}
#endif
inline bool is_empty(path const& p)
{
return detail::is_empty(p);
}
inline bool is_empty(path const& p, system::error_code& ec)
{
return detail::is_empty(p, &ec);
}
//--------------------------------------------------------------------------------------//
// //
// operational functions //
// //
//--------------------------------------------------------------------------------------//
inline path initial_path()
{
return detail::initial_path();
}
inline path initial_path(system::error_code& ec)
{
return detail::initial_path(&ec);
}
template< class Path >
path initial_path()
{
return initial_path();
}
template< class Path >
path initial_path(system::error_code& ec)
{
return detail::initial_path(&ec);
}
inline path current_path()
{
return detail::current_path();
}
inline path current_path(system::error_code& ec)
{
return detail::current_path(&ec);
}
inline void current_path(path const& p)
{
detail::current_path(p);
}
inline void current_path(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
detail::current_path(p, &ec);
}
inline path absolute(path const& p, path const& base = current_path())
{
return detail::absolute(p, base);
}
inline path absolute(path const& p, system::error_code& ec)
{
path base = current_path(ec);
if (ec)
return path();
return detail::absolute(p, base, &ec);
}
inline path absolute(path const& p, path const& base, system::error_code& ec)
{
return detail::absolute(p, base, &ec);
}
inline path canonical(path const& p, path const& base = current_path())
{
return detail::canonical(p, base);
}
inline path canonical(path const& p, system::error_code& ec)
{
path base = current_path(ec);
if (ec)
return path();
return detail::canonical(p, base, &ec);
}
inline path canonical(path const& p, path const& base, system::error_code& ec)
{
return detail::canonical(p, base, &ec);
}
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use absolute() instead")
inline path complete(path const& p)
{
return absolute(p, initial_path());
}
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use absolute() instead")
inline path complete(path const& p, path const& base)
{
return absolute(p, base);
}
#endif
inline void copy(path const& from, path const& to)
{
detail::copy(from, to, static_cast< unsigned int >(copy_options::none));
}
inline void copy(path const& from, path const& to, system::error_code& ec) BOOST_NOEXCEPT
{
detail::copy(from, to, static_cast< unsigned int >(copy_options::none), &ec);
}
inline void copy(path const& from, path const& to, BOOST_SCOPED_ENUM_NATIVE(copy_options) options)
{
detail::copy(from, to, static_cast< unsigned int >(options));
}
inline void copy(path const& from, path const& to, BOOST_SCOPED_ENUM_NATIVE(copy_options) options, system::error_code& ec) BOOST_NOEXCEPT
{
detail::copy(from, to, static_cast< unsigned int >(options), &ec);
}
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use create_directory() instead")
inline void copy_directory(path const& from, path const& to)
{
detail::copy_directory(from, to);
}
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use create_directory() instead")
inline void copy_directory(path const& from, path const& to, system::error_code& ec) BOOST_NOEXCEPT
{
detail::copy_directory(from, to, &ec);
}
#endif
inline bool copy_file(path const& from, path const& to)
{
return detail::copy_file(from, to, static_cast< unsigned int >(copy_options::none));
}
inline bool copy_file(path const& from, path const& to, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::copy_file(from, to, static_cast< unsigned int >(copy_options::none), &ec);
}
inline bool copy_file(path const& from, path const& to, // See ticket #2925
BOOST_SCOPED_ENUM_NATIVE(copy_options) options)
{
return detail::copy_file(from, to, static_cast< unsigned int >(options));
}
inline bool copy_file(path const& from, path const& to, // See ticket #2925
BOOST_SCOPED_ENUM_NATIVE(copy_options) options, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::copy_file(from, to, static_cast< unsigned int >(options), &ec);
}
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use copy_options instead of copy_option")
inline bool copy_file(path const& from, path const& to, // See ticket #2925
BOOST_SCOPED_ENUM_NATIVE(copy_option) options)
{
return detail::copy_file(from, to, static_cast< unsigned int >(options));
}
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use copy_options instead of copy_option")
inline bool copy_file(path const& from, path const& to, // See ticket #2925
BOOST_SCOPED_ENUM_NATIVE(copy_option) options, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::copy_file(from, to, static_cast< unsigned int >(options), &ec);
}
#endif // !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
inline void copy_symlink(path const& existing_symlink, path const& new_symlink)
{
detail::copy_symlink(existing_symlink, new_symlink);
}
inline void copy_symlink(path const& existing_symlink, path const& new_symlink, system::error_code& ec) BOOST_NOEXCEPT
{
detail::copy_symlink(existing_symlink, new_symlink, &ec);
}
inline bool create_directories(path const& p)
{
return detail::create_directories(p);
}
inline bool create_directories(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::create_directories(p, &ec);
}
inline bool create_directory(path const& p)
{
return detail::create_directory(p, NULL);
}
inline bool create_directory(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::create_directory(p, NULL, &ec);
}
inline bool create_directory(path const& p, path const& existing)
{
return detail::create_directory(p, &existing);
}
inline bool create_directory(path const& p, path const& existing, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::create_directory(p, &existing, &ec);
}
inline void create_directory_symlink(path const& to, path const& from)
{
detail::create_directory_symlink(to, from);
}
inline void create_directory_symlink(path const& to, path const& from, system::error_code& ec) BOOST_NOEXCEPT
{
detail::create_directory_symlink(to, from, &ec);
}
inline void create_hard_link(path const& to, path const& new_hard_link)
{
detail::create_hard_link(to, new_hard_link);
}
inline void create_hard_link(path const& to, path const& new_hard_link, system::error_code& ec) BOOST_NOEXCEPT
{
detail::create_hard_link(to, new_hard_link, &ec);
}
inline void create_symlink(path const& to, path const& new_symlink)
{
detail::create_symlink(to, new_symlink);
}
inline void create_symlink(path const& to, path const& new_symlink, system::error_code& ec) BOOST_NOEXCEPT
{
detail::create_symlink(to, new_symlink, &ec);
}
inline bool equivalent(path const& p1, path const& p2)
{
return detail::equivalent(p1, p2);
}
inline bool equivalent(path const& p1, path const& p2, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::equivalent(p1, p2, &ec);
}
inline boost::uintmax_t file_size(path const& p)
{
return detail::file_size(p);
}
inline boost::uintmax_t file_size(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::file_size(p, &ec);
}
inline boost::uintmax_t hard_link_count(path const& p)
{
return detail::hard_link_count(p);
}
inline boost::uintmax_t hard_link_count(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::hard_link_count(p, &ec);
}
inline std::time_t creation_time(path const& p)
{
return detail::creation_time(p);
}
inline std::time_t creation_time(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::creation_time(p, &ec);
}
inline std::time_t last_write_time(path const& p)
{
return detail::last_write_time(p);
}
inline std::time_t last_write_time(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::last_write_time(p, &ec);
}
inline void last_write_time(path const& p, const std::time_t new_time)
{
detail::last_write_time(p, new_time);
}
inline void last_write_time(path const& p, const std::time_t new_time, system::error_code& ec) BOOST_NOEXCEPT
{
detail::last_write_time(p, new_time, &ec);
}
inline void permissions(path const& p, perms prms)
{
detail::permissions(p, prms);
}
inline void permissions(path const& p, perms prms, system::error_code& ec) BOOST_NOEXCEPT
{
detail::permissions(p, prms, &ec);
}
inline path read_symlink(path const& p)
{
return detail::read_symlink(p);
}
inline path read_symlink(path const& p, system::error_code& ec)
{
return detail::read_symlink(p, &ec);
}
inline bool remove(path const& p)
{
return detail::remove(p);
}
inline bool remove(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::remove(p, &ec);
}
inline boost::uintmax_t remove_all(path const& p)
{
return detail::remove_all(p);
}
inline boost::uintmax_t remove_all(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::remove_all(p, &ec);
}
inline void rename(path const& old_p, path const& new_p)
{
detail::rename(old_p, new_p);
}
inline void rename(path const& old_p, path const& new_p, system::error_code& ec) BOOST_NOEXCEPT
{
detail::rename(old_p, new_p, &ec);
}
// name suggested by Scott McMurray
inline void resize_file(path const& p, uintmax_t size)
{
detail::resize_file(p, size);
}
inline void resize_file(path const& p, uintmax_t size, system::error_code& ec) BOOST_NOEXCEPT
{
detail::resize_file(p, size, &ec);
}
inline path relative(path const& p, path const& base = current_path())
{
return detail::relative(p, base);
}
inline path relative(path const& p, system::error_code& ec)
{
path base = current_path(ec);
if (ec)
return path();
return detail::relative(p, base, &ec);
}
inline path relative(path const& p, path const& base, system::error_code& ec)
{
return detail::relative(p, base, &ec);
}
inline space_info space(path const& p)
{
return detail::space(p);
}
inline space_info space(path const& p, system::error_code& ec) BOOST_NOEXCEPT
{
return detail::space(p, &ec);
}
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
BOOST_FILESYSTEM_DETAIL_DEPRECATED("Use is_symlink(symlink_status(path)) instead")
inline bool symbolic_link_exists(path const& p)
{
return is_symlink(filesystem::symlink_status(p));
}
#endif
inline path system_complete(path const& p)
{
return detail::system_complete(p);
}
inline path system_complete(path const& p, system::error_code& ec)
{
return detail::system_complete(p, &ec);
}
inline path temp_directory_path()
{
return detail::temp_directory_path();
}
inline path temp_directory_path(system::error_code& ec)
{
return detail::temp_directory_path(&ec);
}
inline path unique_path(path const& p = "%%%%-%%%%-%%%%-%%%%")
{
return detail::unique_path(p);
}
inline path unique_path(path const& p, system::error_code& ec)
{
return detail::unique_path(p, &ec);
}
inline path weakly_canonical(path const& p, path const& base = current_path())
{
return detail::weakly_canonical(p, base);
}
inline path weakly_canonical(path const& p, system::error_code& ec)
{
path base = current_path(ec);
if (ec)
return path();
return detail::weakly_canonical(p, base, &ec);
}
inline path weakly_canonical(path const& p, path const& base, system::error_code& ec)
{
return detail::weakly_canonical(p, base, &ec);
}
// test helper -----------------------------------------------------------------------//
// Not part of the documented interface since false positives are possible;
// there is no law that says that an OS that has large stat.st_size
// actually supports large file sizes.
namespace detail {
BOOST_FILESYSTEM_DECL bool possible_large_file_size_support();
} // namespace detail
} // namespace filesystem
} // namespace boost
#include <boost/filesystem/detail/footer.hpp>
#endif // BOOST_FILESYSTEM_OPERATIONS_HPP