From 0b7e7876ff715da9908ce66ef58ddeb3f30675fe Mon Sep 17 00:00:00 2001
From: xuwei06 <xuwei06@baidu.com>
Date: Tue, 7 Feb 2017 15:30:44 -0800
Subject: [PATCH] Fix mkDirRecursively

Change-Id: Ie09fd666ca208994f22e9f83af6072f4d5e6aa1a
---
 paddle/utils/Util.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/paddle/utils/Util.cpp b/paddle/utils/Util.cpp
index 220aac1ff11..dbab4ec43ca 100644
--- a/paddle/utils/Util.cpp
+++ b/paddle/utils/Util.cpp
@@ -289,6 +289,7 @@ void mkDir(const char* filename) {
 void mkDirRecursively(const char* dir) {
   struct stat sb;
 
+  if (*dir == 0) return;  // empty string
   if (!stat(dir, &sb)) return;
 
   mkDirRecursively(path::dirname(dir).c_str());
-- 
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