From c3ddce554b7b484f7fa86a6cae8fa7997559a538 Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: Thu, 11 Apr 2024 17:20:56 +0200
Subject: [PATCH] tweaks to get history working

---
 console.cpp       | 6 +-----
 console_posix.cpp | 4 +++-
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/console.cpp b/console.cpp
index ef6310a..1717e06 100644
--- a/console.cpp
+++ b/console.cpp
@@ -212,16 +212,13 @@ std::string console::read_line(const std::string & prompt)
 			if (c == 'A') {  // up
 				if (line_nr > 0)
 					line_nr--;
-				else
-					line_nr = edit_lines_hist.size() - 1;
 			}
 			else if (c == 'B') {  // down
 				if (line_nr < edit_lines_hist.size() - 1)
 					line_nr++;
-				else
-					line_nr = 0;
 			}
 			else {
+				printf("[%c]\n", c);
 				continue;
 			}
 
@@ -344,7 +341,6 @@ void console::operator()()
 
 	while(*stop_event != EVENT_TERMINATE && !stop_thread_flag) {
 		int c = wait_for_char_ll(500);
-
 		if (c == -1)
 			continue;
 
diff --git a/console_posix.cpp b/console_posix.cpp
index baffc4d..5d9b9ee 100644
--- a/console_posix.cpp
+++ b/console_posix.cpp
@@ -28,6 +28,8 @@ console_posix::console_posix(std::atomic_uint32_t *const stop_event, bus *const
 
 	if (tcsetattr(STDIN_FILENO, TCSANOW, &tty_opts_raw) == -1)
 		error_exit(true, "console_posix: tcsetattr failed");
+
+	setvbuf(stdin, nullptr, _IONBF, 0);
 #endif
 }
 
@@ -53,7 +55,7 @@ int console_posix::wait_for_char_ll(const short timeout)
 	if (select(STDIN_FILENO + 1, &rfds, nullptr, nullptr, &to) == 1 && FD_ISSET(STDIN_FILENO, &rfds))
 		return _getch();
 #else
-	struct pollfd fds[] = { { STDIN_FILENO, POLLIN, timeout } };
+	struct pollfd fds[] = { { STDIN_FILENO, POLLIN, 0 } };
 
 	if (poll(fds, 1, timeout) == 1 && fds[0].revents)
 		return getchar();