header guard

2026-01-08 21:15:46 +01:00
parent 4864f01af3
commit 6d8018f21b
1 changed files with 5 additions and 0 deletions
--- 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