Sanitized and improved several macros through the code

- Sanitized all potentially unsafe macros (related eA:15259)
- Improved some function-like macros to evaluate their argument only
  once and keep it in a temporary variable.  This improves performance
  in the damage calculation related code.

Signed-off-by: Haru <haru@dotalux.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/map/chrif.c b/src/map/chrif.c
index 5927e31bf..e9c3bbabf 100644
--- a/src/map/chrif.c
+++ b/src/map/chrif.c
@@ -88,7 +88,7 @@ struct chrif_interface chrif_s;
 //2b27: Incoming, chrif_authfail -> 'client authentication failed'
 
 //This define should spare writing the check in every function. [Skotlex]
-#define chrif_check(a) { if(!chrif->isconnected()) return a; }
+#define chrif_check(a) do { if(!chrif->isconnected()) return a; } while(0)
 
 /// Resets all the data.
 void chrif_reset(void) {