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7edc69dc94
The st_mode field in struct stat is a bitfield of more than just the file type, this commit masks off the non-filetype bits to ensure no unrelated bits are checked.
86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/*
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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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#include "DirectoryEntry.h"
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#include <sys/stat.h>
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namespace Core {
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static DirectoryEntry::Type directory_entry_type_from_stat(mode_t st_mode)
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{
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switch (st_mode & S_IFMT) {
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case S_IFIFO:
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return DirectoryEntry::Type::NamedPipe;
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case S_IFCHR:
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return DirectoryEntry::Type::CharacterDevice;
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case S_IFDIR:
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return DirectoryEntry::Type::Directory;
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case S_IFBLK:
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return DirectoryEntry::Type::BlockDevice;
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case S_IFREG:
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return DirectoryEntry::Type::File;
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case S_IFLNK:
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return DirectoryEntry::Type::SymbolicLink;
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case S_IFSOCK:
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return DirectoryEntry::Type::Socket;
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default:
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return DirectoryEntry::Type::Unknown;
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}
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VERIFY_NOT_REACHED();
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}
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#if !defined(AK_OS_SOLARIS) && !defined(AK_OS_HAIKU)
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static DirectoryEntry::Type directory_entry_type_from_posix(unsigned char dt_constant)
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{
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switch (dt_constant) {
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case DT_UNKNOWN:
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return DirectoryEntry::Type::Unknown;
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case DT_FIFO:
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return DirectoryEntry::Type::NamedPipe;
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case DT_CHR:
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return DirectoryEntry::Type::CharacterDevice;
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case DT_DIR:
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return DirectoryEntry::Type::Directory;
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case DT_BLK:
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return DirectoryEntry::Type::BlockDevice;
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case DT_REG:
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return DirectoryEntry::Type::File;
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case DT_LNK:
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return DirectoryEntry::Type::SymbolicLink;
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case DT_SOCK:
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return DirectoryEntry::Type::Socket;
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# ifndef AK_OS_OPENBSD
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case DT_WHT:
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return DirectoryEntry::Type::Whiteout;
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# endif
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}
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VERIFY_NOT_REACHED();
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}
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#endif
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DirectoryEntry DirectoryEntry::from_stat(DIR* d, dirent const& de)
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{
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struct stat statbuf;
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fstat(dirfd(d), &statbuf);
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return DirectoryEntry {
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.type = directory_entry_type_from_stat(statbuf.st_mode),
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.name = de.d_name,
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.inode_number = de.d_ino,
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};
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}
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#if !defined(AK_OS_SOLARIS) && !defined(AK_OS_HAIKU)
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DirectoryEntry DirectoryEntry::from_dirent(dirent const& de)
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{
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return DirectoryEntry {
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.type = directory_entry_type_from_posix(de.d_type),
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.name = de.d_name,
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.inode_number = de.d_ino,
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};
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}
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#endif
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}
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