Added guard

2023-05-18 00:08:26 +02:00
parent 19436f5159
commit 767875b5a7
1 changed files with 2 additions and 0 deletions
--- a/include/geos/gconst.h
+++ b/include/geos/gconst.h
@@ -9,7 +9,9 @@
 #ifndef _GCONST_H
 #define _GCONST_H

+#ifndef NULL
 #define NULL            ((void *) 0)
+#endif
 #define TRUE            0xff
 #define FALSE           ~TRUE
 #define MOUSE_SPRNUM    0