From 5e5ddce270ce8fb87baff7ce898173fe2ae2fb6b Mon Sep 17 00:00:00 2001
From: William Wilgus <me.theuser@yahoo.com>
Date: Wed, 25 Jul 2018 19:28:25 +0200
Subject: Fix truncation warnings in tree.c, filetree.c

Change-Id: Ic5ae1e5f904a3da4bba07cdef7f4bb003dc091b2
---
 apps/tree.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'apps/tree.c')

diff --git a/apps/tree.c b/apps/tree.c
index e03a494a54..6b496919b0 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -608,6 +608,7 @@ static int dirbrowse(void)
 {
     int numentries=0;
     char buf[MAX_PATH];
+    int len;
     int button;
 #ifdef HAVE_LCD_BITMAP
     int oldbutton;
@@ -800,8 +801,13 @@ static int dirbrowse(void)
                         attr = entry->attr;
 
                         if (currdir[1]) /* Not in / */
-                            snprintf(buf, sizeof buf, "%s/%s",
+                        {
+                            len = snprintf(buf, sizeof buf, "%s/%s",
                                      currdir, entry->name);
+
+                            if ((unsigned) len > sizeof(buf))
+                                splash(HZ, ID2P(LANG_PLAYLIST_DIRECTORY_ACCESS_ERROR));
+                        }
                         else /* In / */
                             snprintf(buf, sizeof buf, "/%s", entry->name);
                     }
-- 
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