lineedit: add a comment about possible use of tcflush()

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21 21:55:03 +01:00 · 2020-12-21 21:55:03 +01:00 · fae7332ebf
commit fae7332ebf
parent 00eb23b47a
1 changed files with 1 additions and 0 deletions
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@ -2911,6 +2911,7 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 		 * before it comes in. UGLY!
 		 */
 		usleep(20*1000);
+// MAYBE? tcflush(STDIN_FILENO, TCIFLUSH); /* flushes data received but not read */
 	}
 #endif