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-rw-r--r--src/routingtable.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/routingtable.c b/src/routingtable.c
index c4e343f..6fdad8a 100644
--- a/src/routingtable.c
+++ b/src/routingtable.c
@@ -14,7 +14,7 @@ struct routing_table_node {
static inline void copy_and_assign_cidr(struct routing_table_node *node, const u8 *src, u8 cidr)
{
memcpy(node->bits, src, (cidr + 7) / 8);
- node->bits[(cidr + 7) / 8 - 1] &= 0xff << ((8 - (cidr % 8)) % 8);
+ node->bits[(cidr + 7) / 8 - 1] &= 0xffU << ((8 - (cidr % 8)) % 8);
node->cidr = cidr;
node->bit_at_a = cidr / 8;
node->bit_at_b = 7 - (cidr % 8);