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operations2.c
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operations2.c
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#include "push_swap.h"
void ra(t_two_stacks ts, int is_printable)
{
void *elem;
if (ts->a->len < 2)
return ;
dlist_move_cursor_to_tail(ts->a);
elem = ts->a->cursor_p->value;
dlist_remove_before_cursor(ts->a, 0);
dlist_move_cursor_to_head(ts->a);
dlist_insert_after_cursor(ts->a, elem);
if (is_printable)
write(1, "ra\n", 3);
}
void rb(t_two_stacks ts, int is_printable)
{
void *elem;
if (ts->b->len < 2)
return ;
dlist_move_cursor_to_tail(ts->b);
elem = ts->b->cursor_p->value;
dlist_remove_before_cursor(ts->b, 0);
dlist_move_cursor_to_head(ts->b);
dlist_insert_after_cursor(ts->b, elem);
if (is_printable)
write(1, "rb\n", 3);
}
void rr(t_two_stacks ts, int is_printable)
{
ra(ts, 0);
rb(ts, 0);
if (is_printable)
write(1, "rr\n", 3);
}
void rra(t_two_stacks ts, int is_printable)
{
void *elem;
if (ts->a->len < 2)
return ;
dlist_move_cursor_to_head(ts->a);
elem = ts->a->cursor_n->value;
dlist_remove_after_cursor(ts->a, 0);
dlist_pushback(ts->a, elem);
if (is_printable)
write(1, "rra\n", 4);
}
void rrb(t_two_stacks ts, int is_printable)
{
void *elem;
if (ts->b->len < 2)
return ;
dlist_move_cursor_to_head(ts->b);
elem = ts->b->cursor_n->value;
dlist_remove_after_cursor(ts->b, 0);
dlist_pushback(ts->b, elem);
if (is_printable)
write(1, "rrb\n", 4);
}