[std C compliance] replace #pragma once in common.h with standard #ifndef guard

4 years ago · f4beeeab78
parent cb84c1614f
commit f4beeeab78
1 changed files with 6 additions and 4 deletions
--- a/common.h
+++ b/common.h
@ -1,5 +1,7 @@
-#pragma once
-
+#ifndef COMMONH
    typedef unsigned char byte; //8bit (byte) variable type
    typedef unsigned short word; //16bit (2byte) variable type
    typedef enum {false, true} bool;
+#endif
+
+#define COMMONH