From 6d8018f21be1894c5eb5c65216d6f9a1a41bb003 Mon Sep 17 00:00:00 2001
From: htom <hatvanitamas09@gmail.com>
Date: Thu, 8 Jan 2026 21:15:46 +0100
Subject: [PATCH] header guard

---
 src/exit_code.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/exit_code.h b/src/exit_code.h
index d582963..17fee87 100644
--- a/src/exit_code.h
+++ b/src/exit_code.h
@@ -1,3 +1,6 @@
+#ifndef EXIT_CODE_H
+#define EXIT_CODE_H
+
 typedef enum {
     EXIT_OK = 0,
     ERR_ARGUMENT = 1,
@@ -7,3 +10,5 @@ typedef enum {
     ERR_MEMORY = 5,
     ERR_QUERY = 6,
 } exit_code;
+
+#endif