From a509bcb8967336505078e07cffea8306409614ad Mon Sep 17 00:00:00 2001
From: yabause <yabause@users.sf.net>
Date: Sun, 2 Nov 2008 21:52:15 +0000
Subject: [PATCH] Now checking if a rom is a regular file before opening. Patch
 2214354 by riccardom.

---
 desmume/src/ROMReader.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/desmume/src/ROMReader.cpp b/desmume/src/ROMReader.cpp
index 364ba3b23..3b560de2f 100644
--- a/desmume/src/ROMReader.cpp
+++ b/desmume/src/ROMReader.cpp
@@ -19,11 +19,19 @@
 
 #include "ROMReader.h"
 
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <stdio.h>
 #ifdef HAVE_LIBZZIP
 #include <zzip/zzip.h>
 #endif
 
+#ifdef WIN32
+#define stat(...) _stat(__VA_ARGS__)
+#define S_IFMT _S_IFMT
+#define S_IFREG _S_IFREG
+#endif
+
 ROMReader_struct * ROMReaderInit(char ** filename)
 {
 #ifdef HAVE_LIBZ
@@ -62,6 +70,14 @@ ROMReader_struct STDROMReader =
 
 void * STDROMReaderInit(const char * filename)
 {
+	struct stat sb; 
+
+	if (stat(filename, &sb) == -1)
+		return 0;
+
+ 	if ((sb.st_mode & S_IFMT) != S_IFREG)
+		return 0;
+
 	return (void *) fopen(filename, "rb");
 }