Ejemplo n.º 1
0
func (decoderData *decoderData) addFile(header *tar.Header,
	parent *filesystem.Directory, name string) error {
	var newInode filesystem.Inode
	if header.Typeflag == tar.TypeChar {
		newInode.Mode = filesystem.FileMode((header.Mode & ^syscall.S_IFMT) |
			syscall.S_IFCHR)
	} else if header.Typeflag == tar.TypeBlock {
		newInode.Mode = filesystem.FileMode((header.Mode & ^syscall.S_IFMT) |
			syscall.S_IFBLK)
	} else if header.Typeflag == tar.TypeFifo {
		newInode.Mode = filesystem.FileMode((header.Mode & ^syscall.S_IFMT) |
			syscall.S_IFIFO)
	} else {
		return errors.New(fmt.Sprintf("unsupported type: %v", header.Typeflag))
	}
	newInode.Uid = uint32(header.Uid)
	newInode.Gid = uint32(header.Gid)
	newInode.MtimeNanoSeconds = int32(header.ModTime.Nanosecond())
	newInode.MtimeSeconds = header.ModTime.Unix()
	if header.Devminor > 255 {
		return errors.New(fmt.Sprintf("minor device number: %d too large",
			header.Devminor))
	}
	newInode.Rdev = uint64(header.Devmajor<<8 | header.Devminor)
	decoderData.inodeTable[header.Name] = decoderData.nextInodeNumber
	decoderData.fileSystem.InodeTable[decoderData.nextInodeNumber] =
		&newInode
	var newEntry filesystem.File
	newEntry.Name = name
	newEntry.InodeNumber = decoderData.nextInodeNumber
	parent.FileList = append(parent.FileList, &newEntry)
	decoderData.nextInodeNumber++
	return nil
}
Ejemplo n.º 2
0
func (fileSystem *FileSystem) getInode(stat *syscall.Stat_t) (
	*filesystem.Inode, bool) {
	inode := fileSystem.InodeTable[stat.Ino]
	new := false
	if inode == nil {
		var _inode filesystem.Inode
		inode = &_inode
		_inode.Mode = filesystem.FileMode(stat.Mode)
		_inode.Uid = stat.Uid
		_inode.Gid = stat.Gid
		_inode.MtimeSeconds = stat.Mtim.Sec
		_inode.MtimeNanoSeconds = int32(stat.Mtim.Nsec)
		_inode.Rdev = stat.Rdev
		fileSystem.InodeTable[stat.Ino] = inode
		new = true
	}
	return inode, new
}