From dd4c42fa3dd821733ca41851e5e699b3cdf57818 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sun, 7 Jun 2020 12:14:36 +0200
Subject: ui: fix terminal UI on serial console

Make sure we do not override the 80x24 default terminal size with zero
size as reported by an actual serial console.
---
 ui-terminal.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ui-terminal.c b/ui-terminal.c
index c862f63..9cdfd7e 100644
--- a/ui-terminal.c
+++ b/ui-terminal.c
@@ -371,13 +371,13 @@ static void ui_resize(Ui *ui) {
 	int width = 80, height = 24;
 
 	if (ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) != -1) {
-		width = ws.ws_col;
-		height = ws.ws_row;
+		if (ws.ws_col > 0)
+			width = ws.ws_col;
+		if (ws.ws_row > 0)
+			height = ws.ws_row;
 	}
 
-	width = MAX(width, 1);
 	width = MIN(width, MAX_WIDTH);
-	height = MAX(height, 1);
 	height = MIN(height, MAX_HEIGHT);
 	if (!ui_term_backend_resize(tui, width, height))
 		return;
-- 
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