diff options
| -rw-r--r-- | lib/kernel/test/gen_tcp_api_SUITE.erl | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/kernel/test/gen_tcp_api_SUITE.erl b/lib/kernel/test/gen_tcp_api_SUITE.erl index 1be016444f..00c9dc5ed5 100644 --- a/lib/kernel/test/gen_tcp_api_SUITE.erl +++ b/lib/kernel/test/gen_tcp_api_SUITE.erl @@ -594,10 +594,13 @@ unused_ip() -> io:format("we = ~p, unused_ip = ~p~n", [Hent, IP]), IP. -unused_ip(_, _, _, 255) -> error; +unused_ip(255, 255, 255, 255) -> error; +unused_ip(255, B, C, D) -> unused_ip(1, B + 1, C, D); +unused_ip(A, 255, C, D) -> unused_ip(A, 1, C + 1, D); +unused_ip(A, B, 255, D) -> unused_ip(A, B, 1, D + 1); unused_ip(A, B, C, D) -> case inet:gethostbyaddr({A, B, C, D}) of - {ok, _} -> unused_ip(A, B, C, D+1); + {ok, _} -> unused_ip(A + 1, B, C, D); {error, _} -> {ok, {A, B, C, D}} end. |