From 749142e7f9ed03de7b6ba7ae9770c01a80ed3ef0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@piment-noir.org>
Date: Sun, 12 Feb 2017 20:32:02 +0100
Subject: [PATCH] exo1: swap, no need to declare tmp variable if values are the
 same
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Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---
 exo1/exo1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exo1/exo1.c b/exo1/exo1.c
index 11fc1fb..822d73f 100644
--- a/exo1/exo1.c
+++ b/exo1/exo1.c
@@ -16,8 +16,8 @@ void xorSwap (int *v1, int *v2) {
 }
 
 void swap(int* v1, int* v2) {
-    int tmp = *v1;
     if (v1 != v2) {
+        int tmp = *v1;
         *v1 = *v2;
         *v2 = tmp;
     }
-- 
2.34.1