func addSymlink(directory *filesystem.Directory, fileSystem, oldFS *FileSystem,
name string, directoryPathName string, stat *syscall.Stat_t) error {
inode, isNewInode := fileSystem.getSymlinkInode(stat)
var symlink filesystem.Symlink
symlink.Name = name
symlink.InodeNumber = stat.Ino
symlink.SetInode(inode)
if isNewInode {
err := scanSymlink(&symlink, fileSystem, directoryPathName)
if err != nil {
return err
}
if oldFS != nil && oldFS.SymlinkInodeTable != nil {
if oldInode, found := oldFS.SymlinkInodeTable[stat.Ino]; found {
if filesystem.CompareSymlinkInodes(inode, oldInode, nil) {
inode = oldInode
symlink.SetInode(inode)
fileSystem.SymlinkInodeTable[stat.Ino] = inode
}
}
}
}
directory.SymlinkList = append(directory.SymlinkList, &symlink)
return nil
}
