From d2579c07022af9f85ae6e2041c4bf39c951654b9 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 30 Jun 2016 11:24:50 +0100
Subject: [PATCH] Added handling of error value

---
 src/osgPlugins/zip/unzip.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/osgPlugins/zip/unzip.cpp b/src/osgPlugins/zip/unzip.cpp
index 3fb682b33..4825cfe3f 100644
--- a/src/osgPlugins/zip/unzip.cpp
+++ b/src/osgPlugins/zip/unzip.cpp
@@ -4188,7 +4188,14 @@ void EnsureDirectory(const TCHAR *rootdir, const TCHAR *dir)
     size_t len=_tcslen(rd);
     if (len>0 && (rd[len-1]=='/' || rd[len-1]=='\\')) rd[len-1]=0;
 #ifdef ZIP_STD
-    if (!FileExists(rd)) lumkdir(rd);
+    if (!FileExists(rd))
+    {
+        if (lumkdir(rd)<0)
+        {
+            // mkdir failed
+            return;
+        }
+    }
 #else
     if (!FileExists(rd)) CreateDirectory(rd,0);
 #endif