Modified swap #define to avoid 'value computed is not used' warning

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@10036 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 3 insertions, 1 deletions

diff --git a/src/common/cbasetypes.h b/src/common/cbasetypes.h
index eca0d056c..1a1cd22a9 100644
--- a/src/common/cbasetypes.h
+++ b/src/common/cbasetypes.h
@@ -230,7 +230,9 @@ typedef char bool;
 // hmm only ints?
 //#define swap(a,b) { int temp=a; a=b; b=temp;} 
 // if using macros then something that is type independent
-#define swap(a,b) ((a == b) || ((a ^= b), (b ^= a), (a ^= b)))
+//#define swap(a,b) ((a == b) || ((a ^= b), (b ^= a), (a ^= b)))
+// Avoid "value computed is not used" warning and generates the same assembly code
+#define swap(a,b) if (a != b) ((a ^= b), (b ^= a), (a ^= b))
 
 #ifndef max
 #define max(a,b) (((a) > (b)) ? (a) : (b))