https://git.ruby-lang.org/ruby.git/commit/?id=b39d5da974

From b39d5da97426c6f65e2b39b307ce19d774d93ddd Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Sat, 14 Dec 2019 19:15:02 +0900
Subject: [ruby/io-console] Use TCSANOW to prevent from discarding the input
 buffer

TCSAFLUSH discards the buffer read before the mode change, which makes
IRB ignore the buffer input immediately after invoked.  TCSANOW
preserves the buffer.

https://github.com/ruby/io-console/commit/b362920182

diff --git a/ext/io/console/console.c b/ext/io/console/console.c
index ec70bdf..9bd825a 100644
--- a/ext/io/console/console.c
+++ b/ext/io/console/console.c
@@ -23,7 +23,7 @@ typedef struct termios conmode; https://github.com/ruby/ruby/blob/trunk/ext/io/console/console.c#L23
 static int
 setattr(int fd, conmode *t)
 {
-    while (tcsetattr(fd, TCSAFLUSH, t)) {
+    while (tcsetattr(fd, TCSANOW, t)) {
 	if (errno != EINTR) return 0;
     }
     return 1;
-- 
cgit v0.10.2


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/