]>
git.ipfire.org Git - thirdparty/mdadm.git/blob - dlink.c
2 /* doubly linked lists */
3 /* This is free software. No strings attached. No copyright claimed */
22 struct __dl_head
*vv
= v
;
32 void dl_insert(void *head
, void *val
)
34 dl_next(val
) = dl_next(head
);
36 dl_next(dl_prev(val
)) = val
;
37 dl_prev(dl_next(val
)) = val
;
40 void dl_add(void *head
, void *val
)
42 dl_prev(val
) = dl_prev(head
);
44 dl_next(dl_prev(val
)) = val
;
45 dl_prev(dl_next(val
)) = val
;
48 void dl_del(void *val
)
50 if (dl_prev(val
) == 0 || dl_next(val
) == 0)
52 dl_prev(dl_next(val
)) = dl_prev(val
);
53 dl_next(dl_prev(val
)) = dl_next(val
);
54 dl_prev(val
) = dl_next(val
) = 0;
57 char *dl_strndup(char *s
, int l
)
62 n
= dl_newv(char, l
+1);
73 char *dl_strdup(char *s
)
75 return dl_strndup(s
, (int)strlen(s
));