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| author | Denys Vlasenko | 2017-09-15 17:14:01 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2017-09-15 17:14:01 +0200 |
| commit | aaaaaa5ad6a93101d38800467fe3750b35fed6ea (patch) | |
| tree | 8cd7b7561f3e923a382e5f97b4bd0fbe5fd68c39 /libbb/lineedit.c | |
| parent | e58b44755dbac7c55bf602f7f76dfb37b47323f5 (diff) | |
| download | busybox-aaaaaa5ad6a93101d38800467fe3750b35fed6ea.zip busybox-aaaaaa5ad6a93101d38800467fe3750b35fed6ea.tar.gz | |
less,microcom,lineedit: use common routine to set raw termios
function old new delta
get_termios_and_make_raw - 139 +139
xget1 39 8 -31
read_line_input 3912 3867 -45
less_main 2525 2471 -54
set_termios_to_raw 116 36 -80
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/4 up/down: 139/-210) Total: -71 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/lineedit.c')
| -rw-r--r-- | libbb/lineedit.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index 17766a1..3a092ff 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -2259,7 +2259,7 @@ static int32_t reverse_i_search(int timeout) */ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *command, int maxsize) { - int len; + int len, n; int timeout; #if ENABLE_FEATURE_TAB_COMPLETION smallint lastWasTab = 0; @@ -2274,9 +2274,10 @@ 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|ICANON)) == ICANON - ) { + n = get_termios_and_make_raw(STDIN_FILENO, &new_settings, &initial_settings, 0 + | TERMIOS_CLEAR_ISIG /* turn off INTR (ctrl-C), QUIT, SUSP */ + ); + if (n != 0 || (initial_settings.c_lflag & (ECHO|ICANON)) == ICANON) { /* 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, @@ -2329,18 +2330,6 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman #endif #define command command_must_not_be_used - new_settings = initial_settings; - /* ~ICANON: unbuffered input (most c_cc[] are disabled, VMIN/VTIME are enabled) */ - /* ~ECHO, ~ECHONL: turn off echoing, including newline echoing */ - /* ~ISIG: turn off INTR (ctrl-C), QUIT, SUSP */ - new_settings.c_lflag &= ~(ICANON | ECHO | ECHONL | ISIG); - /* reads will block only if < 1 char is available */ - new_settings.c_cc[VMIN] = 1; - /* no timeout (reads block forever) */ - new_settings.c_cc[VTIME] = 0; - /* Should be not needed if ISIG is off: */ - /* Turn off CTRL-C */ - /* new_settings.c_cc[VINTR] = _POSIX_VDISABLE; */ tcsetattr_stdin_TCSANOW(&new_settings); #if ENABLE_USERNAME_OR_HOMEDIR |