put ZONE_BACKEND ifdef up out of implementation

1 files changed, 7 insertions, 8 deletions

diff --git a/zone.h b/zone.h
index 1617feb..1d1dd4e 100644
--- a/zone.h
+++ b/zone.h
@@ -8,6 +8,13 @@
 #define ZONE_MIN_CAPACITY 1024
 #endif
 
+#ifndef ZONE_BACKEND
+	#ifdef __unix__
+		#define ZONE_BACKEND ZONE_USE_MMAP
+	#else
+		#define ZONE_BACKEND ZONE_USE_MALLOC
+	#endif
+#endif
 #define ZONE_USE_MALLOC 0
 #define ZONE_USE_MMAP   1
 
@@ -50,14 +57,6 @@ void *zn_zeroed(void *, size_t);
 
 #include "zone.h"
 
-#ifndef ZONE_BACKEND
-	#ifdef __unix__
-		#define ZONE_BACKEND ZONE_USE_MMAP
-	#else
-		#define ZONE_BACKEND ZONE_USE_MALLOC
-	#endif
-#endif
-
 #ifndef ZONE_PAGE_MULT
 #define ZONE_PAGE_MULT 2
 #endif