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authorHenrik Nord <[email protected]>2013-11-21 11:00:39 +0100
committerHenrik Nord <[email protected]>2014-01-10 11:41:49 +0100
commit2a0a8447390c0de8e4729cf6e27b11f90211b955 (patch)
tree4df45a19d7f29b5eeaf34ff1458f2e6ee3c10f9c /lib
parent039ea3a6ed5dc147478f294910ba042850db2383 (diff)
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fix calculation of variable
thanks to Alexander Demidenko
Diffstat (limited to 'lib')
-rw-r--r--lib/ssh/src/ssh_cli.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index 2c8e515a14..41febf9707 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -349,7 +349,7 @@ delete_chars(N, {Buf, BufTail, Col}, Tty) when N > 0 ->
{Buf, NewBufTail, Col}};
delete_chars(N, {Buf, BufTail, Col}, Tty) -> % N < 0
NewBuf = nthtail(-N, Buf),
- NewCol = Col + N,
+ NewCol = case Col + N of V when V >= 0 -> V; _ -> 0 end,
M1 = move_cursor(Col, NewCol, Tty),
M2 = move_cursor(NewCol + length(BufTail) - N, NewCol, Tty),
{[M1, BufTail, lists:duplicate(-N, $ ) | M2],