From: Orestis Floros <orestisf1993@gmail.com>
Date: Sat, 16 Sep 2017 10:43:28 +0000 (+0300)
Subject: Add SWAP util macro
X-Git-Tag: 4.15~82^2~1
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=71e309597c289c0ff1f7b1b87eaca8c11297b1c0;p=i3%2Fi3

Add SWAP util macro
---

diff --git a/include/util.h b/include/util.h
index de6fa568..526ab881 100644
--- a/include/util.h
+++ b/include/util.h
@@ -57,6 +57,13 @@
 
 #define CALL(obj, member, ...) obj->member(obj, ##__VA_ARGS__)
 
+#define SWAP(first, second, type) \
+    do {                          \
+        type tmp_SWAP = first;    \
+        first = second;           \
+        second = tmp_SWAP;        \
+    } while (0)
+
 int min(int a, int b);
 int max(int a, int b);
 bool rect_contains(Rect rect, uint32_t x, uint32_t y);