Update m3d.h

Fix review warning.
2019-12-13 08:19:39 +01:00
parent 6b2fe41a3b
commit 32835873f0
1 changed files with 5 additions and 1 deletions
--- a/code/M3D/m3d.h
+++ b/code/M3D/m3d.h
@@ -87,7 +87,11 @@ typedef uint16_t M3D_INDEX;
 #ifndef _MSC_VER
 #define _inline __inline__
 #define _pack __attribute__((packed))
-#define _unused __attribute__((unused))
+#  ifdef __cplusplus // only for c++ code
+#    define _unused __attribute__((unused))
+#  else // or c code just use void
+#    define _unused (void)
+#  endif
 #else
 #define _inline
 #define _pack