X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=shamirs;a=blobdiff_plain;f=shamirssecret.c;h=c7409e78a689726dc15a77c95551e9ee58b31850;hp=9293f79eafea0282b28d43fbae7f8bcf4a2f75a1;hb=34739a8b62a61a62bc57ba87c1148bfbe466580a;hpb=7a6c59f40b44c243cecc3389db388c50e4979e07

diff --git a/shamirssecret.c b/shamirssecret.c
index 9293f79..c7409e7 100644
--- a/shamirssecret.c
+++ b/shamirssecret.c
@@ -1,3 +1,22 @@
+/*
+ * Shamir's secret sharing sharing implementation
+ *
+ * Copyright (C) 2013 Matt Corallo <git@bluematt.me>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+
 #include <stdint.h>
 
 #ifndef IN_KERNEL
@@ -5,7 +24,7 @@
 #define CHECKSTATE(x) assert(x)
 #else
 #include <linux/bug.h>
-#define CHECKSTATE(x) BUG_ON(x)
+#define CHECKSTATE(x) BUG_ON(!(x))
 #endif
 
 #include "shamirssecret.h"