- /* Insert it into the right place */
- memmove(revs + pos + 1, revs + pos, (nr_revs - pos) * sizeof(struct revision *));
- revs[pos] = n;
- nr_revs++;
-
- return n;
-}
-
-static struct revision *add_relationship(struct revision *rev, unsigned char *needs)
-{
- struct revision *parent_rev = lookup_rev(needs);
- struct parent **pp = &rev->parent, *p;
-
- while ((p = *pp) != NULL) {
- if (p->parent == parent_rev)
- return parent_rev;
- pp = &p->next;
- }
-
- p = malloc(sizeof(*p));
- p->parent = parent_rev;
- p->next = NULL;
- *pp = p;
- return parent_rev;
-}
-
-static void mark_reachable(struct revision *rev)
-{
- struct parent *p = rev->parent;