From e1cc0c3160a7337649d431cf642b47d03704e20a Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sun, 25 Aug 2013 13:17:11 +0200
Subject: [PATCH] RETRO_ENVIRONMENT_SET_LIBRETRO_PATH - returns false if path
 file doesn't exist

---
 dynamic.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dynamic.c b/dynamic.c
index 34d4ea48a9..17cc937d83 100644
--- a/dynamic.c
+++ b/dynamic.c
@@ -758,7 +758,11 @@ bool rarch_environment_cb(unsigned cmd, void *data)
 
       case RETRO_ENVIRONMENT_SET_LIBRETRO_PATH:
          RARCH_LOG("Environ (Private) SET_LIBRETRO_PATH.\n");
-         strlcpy(g_settings.libretro, (const char*)data, sizeof(g_settings.libretro));
+
+         if (path_file_exists((const char*)data))
+            strlcpy(g_settings.libretro, (const char*)data, sizeof(g_settings.libretro));
+         else
+            return false;
          break;
 
       case RETRO_ENVIRONMENT_EXEC: