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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2014-12-10 17:22:13 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2014-12-10 17:22:13 +0100 |
| commit | d598a8d4e655b095c741f0cf73e139b3c9524da1 (patch) | |
| tree | 31e8f0db6316820270b396380f7486c5eeb157e9 | |
| parent | 202d9a646489ed3f15c0460d76776b3dfb1d4e72 (diff) | |
| download | busybox-d598a8d4e655b095c741f0cf73e139b3c9524da1.tar.gz | |
lineedit: don't fall back to simple line input if tty is in raw mode
Testcase: shell command input after python ^Z should still work
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | libbb/lineedit.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index 85643079b..3961b1de3 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -2256,9 +2256,13 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman INIT_S(); if (tcgetattr(STDIN_FILENO, &initial_settings) < 0 - || !(initial_settings.c_lflag & ECHO) + || (initial_settings.c_lflag & (ECHO|ICANON)) == ICANON ) { - /* Happens when e.g. stty -echo was run before */ + /* Happens when e.g. stty -echo was run before. + * But if ICANON is not set, we don't come here. + * (example: interactive python ^Z-backgrounded, + * tty is still in "raw mode"). + */ parse_and_put_prompt(prompt); /* fflush_all(); - done by parse_and_put_prompt */ if (fgets(command, maxsize, stdin) == NULL) |