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| author | Denis Vlasenko | 2007-03-09 08:55:23 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-03-09 08:55:23 +0000 |
| commit | f5a157615d8c788dd214896db8d920ad2f1a8f4e (patch) | |
| tree | 5261cce9d72d53489c445fb814499b2a3a13eb07 /miscutils/less.c | |
| parent | e11b4a470576ca8971d289edeb7ad931e60f3323 (diff) | |
| download | busybox-f5a157615d8c788dd214896db8d920ad2f1a8f4e.zip busybox-f5a157615d8c788dd214896db8d920ad2f1a8f4e.tar.gz | |
less: handle yet another Home/End key sequence; expand a comment
Diffstat (limited to 'miscutils/less.c')
| -rw-r--r-- | miscutils/less.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/miscutils/less.c b/miscutils/less.c index 31055a6..79732cc 100644 --- a/miscutils/less.c +++ b/miscutils/less.c @@ -48,8 +48,10 @@ enum { REAL_KEY_LEFT = 'D', REAL_PAGE_UP = '5', REAL_PAGE_DOWN = '6', - REAL_KEY_HOME = '7', + REAL_KEY_HOME = '7', // vt100? linux vt? or what? REAL_KEY_END = '8', + REAL_KEY_HOME_ALT = '1', // ESC [1~ (vt100? linux vt? or what?) + REAL_KEY_END_ALT = '4', // ESC [4~ REAL_KEY_HOME_XTERM = 'H', REAL_KEY_END_XTERM = 'F', @@ -213,9 +215,12 @@ static void read_lines(void) if (errno == EAGAIN && !yielded) { /* We can hit EAGAIN while searching for regexp match. * Yield is not 100% reliable solution in general, - * but for less it should be good enough. - * We give stdin supplier some CPU time to produce more. - * We do it just once. */ + * but for less it should be good enough - + * we give stdin supplier some CPU time to produce + * more input. We do it just once. + * Currently, we do not stop when we found the Nth + * occurrence we were looking for. We read till end + * (or double EAGAIN). TODO? */ sched_yield(); yielded = 1; goto read_again; @@ -638,8 +643,12 @@ static int less_getch(void) return 24 + i; if (input[2] == REAL_KEY_HOME_XTERM) return KEY_HOME; + if (input[2] == REAL_KEY_HOME_ALT) + return KEY_HOME; if (input[2] == REAL_KEY_END_XTERM) return KEY_END; + if (input[2] == REAL_KEY_END_ALT) + return KEY_END; return 0; } /* Reject almost all control chars */ |