tcp, udp, util: Fixes for bitmap handling on big-endian, casts

Bitmap manipulating functions would otherwise refer to inconsistent
sets of bits on big-endian architectures. While at it, fix up a
couple of casts.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/passt.h b/passt.h
index ae3035f..0ef1897 100644
--- a/passt.h
+++ b/passt.h
@@ -67,7 +67,8 @@ extern char pkt_buf		[PKT_BUF_BYTES];
 
 extern char *ip_proto_str[];
 #define IP_PROTO_STR(n)							\
-	(((n) <= IPPROTO_SCTP && ip_proto_str[(n)]) ? ip_proto_str[(n)] : "?")
+	(((uint8_t)(n) <= IPPROTO_SCTP && ip_proto_str[(n)]) ?		\
+			  ip_proto_str[(n)] : "?")
 
 #include <resolv.h>	/* For MAXNS below */