1 files changed, 20 insertions, 2 deletions
diff --git a/contrib/extractor/System.cpp b/contrib/extractor/System.cpp
index 75cc5ba92e4..afa2301e487 100644
--- a/contrib/extractor/System.cpp
+++ b/contrib/extractor/System.cpp
@@ -16,6 +16,23 @@
 
 #include "loadlib/adt.h"
 #include "loadlib/wdt.h"
+#include <fcntl.h>
+
+#if defined( __GNUC__ )
+    #define _open   open
+    #define _close close
+    #ifndef O_BINARY
+        #define O_BINARY 0
+    #endif
+#else
+    #include <io.h>
+#endif
+
+#ifdef O_LARGEFILE
+    #define OPEN_FLAGS  (O_RDONLY | O_BINARY | O_LARGEFILE)
+#else
+    #define OPEN_FLAGS (O_RDONLY | O_BINARY)
+#endif
 
 extern ArchiveSet gOpenArchives;
 
@@ -81,9 +98,10 @@ void CreateDir( const std::string& Path )
 
 bool FileExists( const char* FileName )
 {
-    if(FILE* fp = fopen( FileName, "rb" ))
+    int fp = _open(FileName, OPEN_FLAGS);
+    if(fp != -1)
     {
-        fclose(fp);
+        _close(fp);
         return true;
     }