From 5652b840200cada7686196cffc1c7c62b2b91ed9 Mon Sep 17 00:00:00 2001
From: David Phillips <david@sighup.nz>
Date: Mon, 6 Aug 2018 01:03:06 +1200
Subject: Prefix header guards

---
 common.h | 4 ++--
 error.h  | 5 +++++
 gate.h   | 4 ++--
 logic.h  | 4 ++--
 parse.h  | 5 +++++
 5 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/common.h b/common.h
index 069bc81..2873009 100644
--- a/common.h
+++ b/common.h
@@ -1,5 +1,5 @@
-#ifndef COMMON_H
-#define COMMON_H
+#ifndef HENCE_COMMON_H
+#define HENCE_COMMON_H
 
 #include <stdio.h>
 #include <stddef.h>
diff --git a/error.h b/error.h
index e4f5351..7c75263 100644
--- a/error.h
+++ b/error.h
@@ -1,4 +1,9 @@
+#ifndef HENCE_ERROR_H
+#define HENCE_ERROR_H
+
 #include <stdio.h>
 
 #define emit_error(...) fprintf(stderr, "Error: " __VA_ARGS__)
 #define emit_info(...) fprintf(stdout, "Info : " __VA_ARGS__)
+
+#endif
diff --git a/gate.h b/gate.h
index e0e4b61..8be32a6 100644
--- a/gate.h
+++ b/gate.h
@@ -1,5 +1,5 @@
-#ifndef GATE_H
-#define GATE_H
+#ifndef HENCE_GATE_H
+#define HENCE_GATE_H
 
 #include <stddef.h>
 
diff --git a/logic.h b/logic.h
index 9d160d7..258be95 100644
--- a/logic.h
+++ b/logic.h
@@ -1,5 +1,5 @@
-#ifndef LOGIC_H
-#define LOGIC_H
+#ifndef HENCE_LOGIC_H
+#define HENCE_LOGIC_H
 
 enum BINARY {
 	LOGIC_HIGH,
diff --git a/parse.h b/parse.h
index 95a1fa8..681233e 100644
--- a/parse.h
+++ b/parse.h
@@ -1,3 +1,8 @@
+#ifndef HENCE_PARSE_H
+#define HENCE_PARSE_H
+
 #include <stdio.h>
 
 int parse(const char*, FILE*, struct token *);
+
+#endif
-- 
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