From bb5f279ba38444fe2dd0b25f45269642ef0401eb Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Thu, 24 Nov 2022 14:50:04 +0100
Subject: [PATCH] check for zero menu/list height in whiptail

When the specified window height and width are larger than zero, but the
menu/list height is zero, calculate all three values to fit the
specified entries.
---
 whiptail.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/whiptail.c b/whiptail.c
index 773793a..0dd60a7 100644
--- a/whiptail.c
+++ b/whiptail.c
@@ -328,7 +328,7 @@ int main(int argc, const char ** argv) {
     char * end;
     int height;
     int width;
-    int listHeight = 0;
+    int listHeight = 1;
     int fd = -1;
     int needSpace = 0;
     int noCancel = 0;
@@ -523,7 +523,7 @@ int main(int argc, const char ** argv) {
 
     cleanNewlines(text);
 
-    if ( height <= 0 || width <= 0 )
+    if (height <= 0 || width <= 0 || listHeight <= 0)
 	guessSize(&height, &width, &listHeight, mode, &flags, fullButtons,
 		 title, text, optCon);
 
-- 
2.47.3