added license

1 files changed, 5 insertions, 0 deletions

diff --git a/rand.c b/rand.c
index 407f860..aaecfdc 100644
--- a/rand.c
+++ b/rand.c
@@ -1,3 +1,8 @@
+/*
+  Copyright (C) 2019 Leo Tenenbaum.
+  This file is part of toc. toc is distributed under version 3 of the GNU General Public License, without any warranty whatsoever.
+  You should have received a copy of the GNU General Public License along with toc. If not, see <https://www.gnu.org/licenses/>.
+*/
 static U32 rand_u32(U32 seed) {
 	U64 seed64 = (U64)seed;
 	return (U32)((seed64 * 0x832f0fda4e1a8642 + 0x41d49cd5459a2ab4) >> 32);