tree: handle trailing slashes in currdir when navigating up

Make ft_exit() ignore trailing slashes. Previously if these
ended up in "currdir" then pressing the back button would just
leave you in the same directory.

Change-Id: Ic539e02a9860fa13ca3235beaf99bb474c66e151

1 files changed, 5 insertions, 0 deletions

diff --git a/apps/filetree.c b/apps/filetree.c
index 66b5c843ca..11d562f586 100644
--- a/apps/filetree.c
+++ b/apps/filetree.c
@@ -820,6 +820,11 @@ int ft_exit(struct tree_context* c)
     int rc = 0;
     bool exit_func = false; 
     int i = strlen(c->currdir);
+
+    /* strip trailing slashes */
+    while (c->currdir[i-1] == PATH_SEPCH)
+        i--;
+
     if (i>1) {
         while (c->currdir[i-1]!=PATH_SEPCH)
             i--;