From 425d779e15e8d46135b6cc1d0fce518d6c2d584d Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Thu, 7 Dec 2023 08:21:13 +0100
Subject: [PATCH] [terminal] Avoid division by zero. Refs #276

---
 src/osdep/osdep.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/osdep/osdep.c b/src/osdep/osdep.c
index 8af85d9c..e12138c9 100644
--- a/src/osdep/osdep.c
+++ b/src/osdep/osdep.c
@@ -224,8 +224,13 @@ get_terminal_size(int fd, int *x, int *y, int *cw, int *ch)
 		*x = ws.ws_col;
 		*y = ws.ws_row;
 
-		*cw = ws.ws_xpixel / ws.ws_col;
-		*ch = ws.ws_ypixel / ws.ws_row;
+		if (ws.ws_col && ws.ws_row && ws.ws_xpixel && ws.ws_ypixel) {
+			*cw = ws.ws_xpixel / ws.ws_col;
+			*ch = ws.ws_ypixel / ws.ws_row;
+		} else {
+			*cw = 8;
+			*ch = 16;
+		}
 	} else {
 		*x = 0;
 		*y = 0;