/** Append each element from S2 to the end of S1. */
void
smartlist_add_all(smartlist_t *s1, const smartlist_t *s2)
{
int new_size = s1->num_used + s2->num_used;
tor_assert(new_size >= s1->num_used); /* check for overflow. */
smartlist_ensure_capacity(s1, new_size);
memcpy(s1->list + s1->num_used, s2->list, s2->num_used*sizeof(void*));
s1->num_used = new_size;
}
/** Insert the value <b>val</b> as the new <b>idx</b>th element of
* <b>sl</b>, moving all items previously at <b>idx</b> or later
* forward one space.
*/
void
smartlist_insert(smartlist_t *sl, int idx, void *val)
{
tor_assert(sl);
tor_assert(idx>=0);
tor_assert(idx <= sl->num_used);
if (idx == sl->num_used) {
smartlist_add(sl, val);
} else {
smartlist_ensure_capacity(sl, sl->num_used+1);
/* Move other elements away */
if (idx < sl->num_used)
memmove(sl->list + idx + 1, sl->list + idx,
sizeof(void*)*(sl->num_used-idx));
sl->num_used++;
sl->list[idx] = val;
}
}
/** Append element to the end of the list. */
void
smartlist_add(smartlist_t *sl, void *element)
{
smartlist_ensure_capacity(sl, sl->num_used+1);
sl->list[sl->num_used++] = element;
}