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author | Sverker Eriksson <[email protected]> | 2017-02-20 20:06:28 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2017-02-20 20:06:28 +0100 |
commit | 82d3513f95198b0a4295ba866a78ae6c137a34d5 (patch) | |
tree | b45aee60996f1054e15308defddc8e96e8ef91b8 /lib/ssh/src/ssh_cli.erl | |
parent | 5adbf961a3c79a6782f8be8336ec26594754e9e8 (diff) | |
parent | 32a74e6c83cd110b8e8ab714be4365c0da558fca (diff) | |
download | otp-82d3513f95198b0a4295ba866a78ae6c137a34d5.tar.gz otp-82d3513f95198b0a4295ba866a78ae6c137a34d5.tar.bz2 otp-82d3513f95198b0a4295ba866a78ae6c137a34d5.zip |
Merge branch 'master' into sverker/enif_select
Conflicts:
erts/emulator/beam/erl_binary.h
erts/emulator/beam/erl_monitors.c
erts/emulator/beam/erl_nif.c
erts/emulator/beam/global.h
erts/emulator/test/nif_SUITE_data/nif_SUITE.c
Diffstat (limited to 'lib/ssh/src/ssh_cli.erl')
-rw-r--r-- | lib/ssh/src/ssh_cli.erl | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl index 8af0ecc5f9..6f8c050486 100644 --- a/lib/ssh/src/ssh_cli.erl +++ b/lib/ssh/src/ssh_cli.erl @@ -453,14 +453,20 @@ move_cursor(From, To, #ssh_pty{width=Width, term=Type}) -> %% %%% make sure that there is data to send %% %%% before calling ssh_connection:send write_chars(ConnectionHandler, ChannelId, Chars) -> - case erlang:iolist_size(Chars) of - 0 -> - ok; - _ -> - ssh_connection:send(ConnectionHandler, ChannelId, - ?SSH_EXTENDED_DATA_DEFAULT, Chars) + case has_chars(Chars) of + false -> ok; + true -> ssh_connection:send(ConnectionHandler, + ChannelId, + ?SSH_EXTENDED_DATA_DEFAULT, + Chars) end. +has_chars([C|_]) when is_integer(C) -> true; +has_chars([H|T]) when is_list(H) ; is_binary(H) -> has_chars(H) orelse has_chars(T); +has_chars(<<_:8,_/binary>>) -> true; +has_chars(_) -> false. + + %%% tail, works with empty lists tl1([_|A]) -> A; tl1(_) -> []. |