extern int within_depth(const char *name, int namelen, int depth, int max_depth);
extern int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec);
-extern int read_directory(struct dir_struct *, const char *path, int len, const struct pathspec *pathspec);
+extern int read_directory(struct dir_struct *, struct index_state *istate,
+ const char *path, int len,
+ const struct pathspec *pathspec);
extern int is_excluded_from_list(const char *pathname, int pathlen,
const char *basename, int *dtype,