From 6cf100f1cc4924075f0081a4ae7a08992de4b85f Mon Sep 17 00:00:00 2001
From: Dirk Hohndel <dirk@hohndel.org>
Date: Fri, 17 Jun 2016 04:10:34 -0700
Subject: [PATCH] Avoid crash with empty command line argument

It appears on iOS we can get a command line argument of "" which would
crash Subsurface-mobile on startup.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 subsurface-mobile-main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/subsurface-mobile-main.cpp b/subsurface-mobile-main.cpp
index f32f11edc..68830a5cf 100644
--- a/subsurface-mobile-main.cpp
+++ b/subsurface-mobile-main.cpp
@@ -31,7 +31,7 @@ int main(int argc, char **argv)
 
 	for (i = 1; i < arguments.length(); i++) {
 		QString a = arguments.at(i);
-		if (a.at(0) == '-') {
+		if (!a.isEmpty() && a.at(0) == '-') {
 			parse_argument(a.toLocal8Bit().data());
 			continue;
 		}