Added license and copyright

diff --git a/src/canping.c b/src/canping.c
index eb829b3d8f816c999a319c0979d95c7c90c61ff5..b265e8975532c28d8d2479e7dc1e23b7c42eec3a 100644 (file)
--- a/src/canping.c
+++ b/src/canping.c
@@ -1,3 +1,21 @@
+/*
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2005 Michal Sojka <sojkam1@fel.cvut.cz>
+    Copyright 2005 Pavel Pisa <pisa@cmp.felk.cvut.cz>
+*/
+
 #include <string.h>
 #include <math.h>
 #include <stdio.h>