From fc46d57d626e32c20f4791de1edd0d80b0c6d46d Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Sun, 28 Aug 2011 22:45:33 +1000
Subject: [PATCH] Return -1 if no input is detected from the menu to prevent it
 being interpreted as a 0.

---
 main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/main.c b/main.c
index 15409500..ff8220ee 100644
--- a/main.c
+++ b/main.c
@@ -4309,6 +4309,8 @@ static char *curses_input(const char *query)
 	leaveok(logwin, false);
 	wlogprint("%s: ", query);
 	wgetnstr(logwin, input, 255);
+	if (!strlen(input))
+		strcpy(input, "-1");
 	leaveok(logwin, true);
 	noecho();
 	return input;