1 files changed, 47 insertions, 0 deletions
diff --git a/src/push.c b/src/push.c
new file mode 100644
index 0000000..b15f9e4
--- /dev/null
+++ b/src/push.c
@@ -0,0 +1,47 @@
+/*
+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	push(t_list **src, t_list **dst)
+{
+	t_list	*head;
+
+	head = *src;
+	*src = head->next;
+	head->next = *dst;
+	*dst = head;
+	if (*src)
+		reset_index(*src);
+	if (*dst)
+		reset_index(*dst);
+}
+
+void	pb(t_list **stack_a, t_list **stack_b)
+{
+	push(stack_a, stack_b);
+	write(1, "pb", 2);
+	write(1, "\n", 1);
+}
+
+void	pa(t_list **stack_b, t_list **stack_a)
+{
+	push(stack_b, stack_a);
+	write(1, "pa", 2);
+	write(1, "\n", 1);
+}