From a3a081f8253f4f1b39e1d4d95799406be93a0597 Mon Sep 17 00:00:00 2001
From: dborth <dborth@0aaa047c-bd49-0410-9b25-49477284f1fd>
Date: Mon, 12 Jul 2010 06:10:00 +0000
Subject: [PATCH] hide non-ROM files

---
 source/fileop.cpp | 40 +++++++++++++++++++++++++++++++++++-----
 1 file changed, 35 insertions(+), 5 deletions(-)

diff --git a/source/fileop.cpp b/source/fileop.cpp
index 238a74a..477c6f6 100644
--- a/source/fileop.cpp
+++ b/source/fileop.cpp
@@ -484,27 +484,57 @@ void CreateAppPath(char * origpath)
 	free(path);
 }
 
+static char *GetExt(char *file)
+{
+	if(!file)
+		return NULL;
+
+	char *ext = strrchr(file,'.');
+	if(ext != NULL)
+	{
+		ext++;
+		int extlen = strlen(ext);
+		if(extlen > 5)
+			return NULL;
+	}
+	return ext;
+}
+
 bool ParseDirEntries()
 {
 	if(!dirIter)
 		return false;
 
 	char filename[MAXPATHLEN];
+	char *ext;
 	struct stat filestat;
 
-	int i, res;
+	int i = 0;
+	int res;
 
-	for(i=0; i < 20; i++)
+	while(i < 20)
 	{
 		res = dirnext(dirIter,filename,&filestat);
 
 		if(res != 0)
 			break;
 
-		if(strcmp(filename,".") == 0)
-		{
-			i--;
+		if(filename[0] == '.' && filename[1] != '.')
 			continue;
+
+		ext = GetExt(filename);
+
+		// don't show the file if it's not a valid ROM
+		if((filestat.st_mode & _IFDIR) == 0)
+		{
+			if(ext == NULL)
+				continue;
+
+			if(	stricmp(p, "nes") != 0 && stricmp(p, "fds") != 0 &&
+				stricmp(p, "nsf") != 0 && stricmp(p, "unf") != 0 &&
+				stricmp(p, "nez") != 0 && stricmp(p, "unif") != 0 &&
+				stricmp(ext, "zip") != 0 && stricmp(ext, "7z") != 0)
+				continue;
 		}
 
 		if(!AddBrowserEntry())