From c1f247d0f23173c77a350324ddf0495ffb935860 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <kwojtus@protonmail.com>
Date: Tue, 19 Nov 2019 17:55:43 +0100
Subject: guard against multiple-inclusion of headers

---
 strings.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'strings.h')

diff --git a/strings.h b/strings.h
index 7721f63..2ceade8 100644
--- a/strings.h
+++ b/strings.h
@@ -1,3 +1,6 @@
+#ifndef STRINGS_H
+#define STRINGS_H
+
 #include <stdint.h>
 
 void uint32_to_bits(uint32_t number, char *buf)
@@ -7,3 +10,5 @@ void uint32_to_bits(uint32_t number, char *buf)
 
   buf[32] = '\0';
 }
+
+#endif // STRINGS_H
-- 
cgit v1.2.3