From 1a17d356f2c5d32fa0735f0dcad739b9745116b4 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 18 Jun 2002 11:22:48 +0000
Subject: [PATCH] only menu and prev are treated in directories with no entries

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1064 a1c6a512-1295-4272-9138-f99709370657
---
 apps/tree.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/apps/tree.c b/apps/tree.c
index efddf5f5e4..a8eb01eccb 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -232,6 +232,7 @@ bool dirbrowse(char *root)
 {
     char buf[255];
     int i;
+    int button;
 
     memcpy(currdir,root,sizeof(currdir));
     numentries = showdir(root, start);
@@ -245,7 +246,20 @@ bool dirbrowse(char *root)
     lcd_update();
 
     while(1) {
-        switch(button_get(true)) {
+        button = button_get(true);
+        if(!numentries) {
+          switch(button) {
+          case TREE_MENU:
+          case TREE_PREV:
+            /* let it go */
+            break; 
+          default:
+            continue;
+          }
+        }
+
+
+        switch(button) {
             case TREE_EXIT:
                 i=strlen(currdir);
                 if (i>1) {