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da8da79e62
`Core::System::fstatat()` is similar to our standard `Core::System` wrappers. `Core::Directory::stat(relative_path, flags)` is a convenience method if you already have a Directory, to stat a file relative to it.
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
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* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/Format.h>
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#include <AK/Function.h>
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#include <AK/IterationDecision.h>
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#include <AK/LexicalPath.h>
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#include <AK/Noncopyable.h>
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#include <AK/Optional.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/DirectoryEntry.h>
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#include <LibCore/File.h>
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#include <dirent.h>
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#include <sys/stat.h>
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namespace Core {
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// Deal with real system directories. Any Directory instance always refers to a valid existing directory.
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class Directory {
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AK_MAKE_NONCOPYABLE(Directory);
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public:
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Directory(Directory&&);
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~Directory();
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// When this flag is set, both the directory attempted to instantiate as well as all of its parents are created with mode 0755 if necessary.
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enum class CreateDirectories : bool {
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No,
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Yes,
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};
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static ErrorOr<Directory> create(LexicalPath path, CreateDirectories, mode_t creation_mode = 0755);
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static ErrorOr<Directory> create(DeprecatedString path, CreateDirectories, mode_t creation_mode = 0755);
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static ErrorOr<Directory> adopt_fd(int fd, LexicalPath path);
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ErrorOr<NonnullOwnPtr<File>> open(StringView filename, File::OpenMode mode) const;
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ErrorOr<struct stat> stat(StringView filename, int flags) const;
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ErrorOr<struct stat> stat() const;
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int fd() const { return m_directory_fd; }
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LexicalPath const& path() const { return m_path; }
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using ForEachEntryCallback = Function<ErrorOr<IterationDecision>(DirectoryEntry const&, Directory const& parent)>;
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static ErrorOr<void> for_each_entry(StringView path, DirIterator::Flags, ForEachEntryCallback);
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ErrorOr<void> for_each_entry(DirIterator::Flags, ForEachEntryCallback);
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ErrorOr<void> chown(uid_t, gid_t);
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static ErrorOr<bool> is_valid_directory(int fd);
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private:
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Directory(int directory_fd, LexicalPath path);
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static ErrorOr<void> ensure_directory(LexicalPath const& path, mode_t creation_mode = 0755);
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LexicalPath m_path;
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int m_directory_fd;
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};
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}
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namespace AK {
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template<>
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struct Formatter<Core::Directory> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, Core::Directory const& directory)
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{
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TRY(builder.put_string(directory.path().string()));
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return {};
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}
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};
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}
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