From 3c61fe86ff793cae3f4161fa7bb741e264dedadc Mon Sep 17 00:00:00 2001
From: Wilhansen Li <wil@byimplication.com>
Date: Mon, 26 Dec 2016 21:55:39 +0800
Subject: [PATCH] Fix input dir edge case bug.

---
 dtbTool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dtbTool.c b/dtbTool.c
index db99bc8..eb792e4 100644
--- a/dtbTool.c
+++ b/dtbTool.c
@@ -123,7 +123,7 @@ int parse_commandline(int argc, char *const argv[])
                 input_dir = optarg;
                 {
                     int len = strlen(input_dir);
-                    if ( len > 0 && input_dir[len - 2] != '/' ) {
+                    if ( len > 1 && input_dir[len - 2] != '/' ) {
                         input_dir = malloc(len + 2);
                         strcpy(input_dir, optarg);
                         input_dir[len] = '/';
-- 
2.20.1