From d4475e5b19a1b61a421d24be57184876bf4fe93c Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 30 Jun 2016 11:03:40 +0100
Subject: [PATCH] Added handling of return value

---
 src/osgPlugins/zip/unzip.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/osgPlugins/zip/unzip.cpp b/src/osgPlugins/zip/unzip.cpp
index 045a0372f..3fb682b33 100644
--- a/src/osgPlugins/zip/unzip.cpp
+++ b/src/osgPlugins/zip/unzip.cpp
@@ -197,7 +197,9 @@ typedef struct tm_unz_s
 // some windows<->linux portability things
 #ifdef ZIP_STD
 DWORD GetFilePosU(HANDLE hfout)
-{ struct stat st; fstat(FILENO(hfout),&st);
+{
+  struct stat st;
+  if (fstat(FILENO(hfout),&st)<0) return 0xFFFFFFFF;
   if ((st.st_mode&S_IFREG)==0) return 0xFFFFFFFF;
   return ftell(hfout);
 }