From a525b3bd096890c63fd66410b211791c6ec893c6 Mon Sep 17 00:00:00 2001
From: Davide Gessa <gessadavide@gmail.com>
Date: Mon, 6 Jun 2016 20:17:29 +0200
Subject: [PATCH] Remove assertion and handle error cases

Fix #1633
---
 Engine/lib/nativeFileDialogs/nfd_gtk.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Engine/lib/nativeFileDialogs/nfd_gtk.c b/Engine/lib/nativeFileDialogs/nfd_gtk.c
index 2d7b9b5f6..32f6a8d44 100644
--- a/Engine/lib/nativeFileDialogs/nfd_gtk.c
+++ b/Engine/lib/nativeFileDialogs/nfd_gtk.c
@@ -47,10 +47,13 @@ static void AddFiltersToDialog( GtkWidget *dialog, const char *filterList )
         if ( NFDi_IsFilterSegmentChar(*p_filterList) )
         {
             char typebufWildcard[NFD_MAX_STRLEN];
-            /* add another type to the filter */
-            assert( strlen(typebuf) > 0 );
-            assert( strlen(typebuf) < NFD_MAX_STRLEN-1 );
             
+            /* add another type to the filter */
+            if (strlen(typebuf) <= 0 || strlen(typebuf) > NFD_MAX_STRLEN-1) {
+              p_filterList++;
+              continue;
+            }
+
             snprintf( typebufWildcard, NFD_MAX_STRLEN, "*.%s", typebuf );
             AddTypeToFilterName( typebuf, filterName, NFD_MAX_STRLEN );