First commitHEADmain

1 files changed, 63 insertions, 0 deletions

diff --git a/src/rrotate.c b/src/rrotate.c
new file mode 100644
index 0000000..42be064
--- /dev/null
+++ b/src/rrotate.c
@@ -0,0 +1,63 @@
+/*
+sort_stack Copyright (C) 2026 yctct
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+
+#include "../include/push_swap.h"
+
+void	rrotate(t_list **stack)
+{
+	t_list	*a;
+//	t_list	*b;
+	t_list	*current;
+	t_list	*prev;
+
+	a = *stack;
+//	b = a->next;
+	current = *stack;
+	prev = NULL;
+	while (current->next != NULL)
+	{
+		prev = current;
+		current = current->next;
+	}
+	current->next = a;
+	prev->next = NULL;
+	*stack = current;
+	reset_index(*stack);
+}
+
+void	rra(t_list **stack)
+{
+	rrotate(stack);
+	write(1, "rra", 3);
+	write(1, "\n", 1);
+}
+
+void	rrb(t_list **stack)
+{
+	rrotate(stack);
+	write(1, "rrb", 3);
+	write(1, "\n", 1);
+}
+
+void	rrr(t_list **stack_a, t_list **stack_b)
+{
+	rrotate(stack_a);
+	rrotate(stack_b);
+	write(1, "rrr", 3);
+	write(1, "\n", 1);
+}