treewide: Use 'z' length modifier for size_t/ssize_t conversions

Types size_t and ssize_t are not necessarily long, it depends on the
architecture.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/tcp.c b/tcp.c
index 40e3dec..44468ca 100644
--- a/tcp.c
+++ b/tcp.c
@@ -2570,7 +2570,8 @@ int tcp_tap_handler(struct ctx *c, uint8_t pif, int af,
 		return 1;
 	}
 
-	trace("TCP: packet length %lu from tap for index %lu", len, CONN_IDX(conn));
+	trace("TCP: packet length %zu from tap for index %lu",
+	      len, CONN_IDX(conn));
 
 	if (th->rst) {
 		conn_event(c, conn, CLOSED);