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
}
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
}