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lineedit: don't block when looking for escape sequence in vi-mode

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In vi-mode lineedit tries to detect some escape sequences.
After the ESC it reads the next character to check for certain
values.  This read should have a timeout or a user-entered ESC to
switch to command mode doesn't properly handle the next character.

Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Ron Yorston 2014-12-12 08:29:41 +00:00 committed by Denys Vlasenko
parent acb8be7217
commit 20cd31a2d7
1 changed files with 1 additions and 1 deletions
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libbb/lineedit.c
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@ -2611,7 +2611,7 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
* standard readline bindings (IOW: bash) do.
* Often, Alt-<key> generates ESC-<key>.
*/
ic = lineedit_read_key(read_key_buffer, timeout);
ic = lineedit_read_key(read_key_buffer, 50);
switch (ic) {
//case KEYCODE_LEFT: - bash doesn't do this
case 'b':