1 files changed, 3 insertions, 0 deletions

diff --git a/sway/util.c b/sway/util.c
new file mode 100644
index 00000000..25aeb9f4
--- /dev/null
+++ b/sway/util.c
@@ -0,0 +1,3 @@
+int wrap(int i, int max) {
+        return ((i % max) + max) % max;
+}