From 443f5f907e8a5b9aae7147995e1fe4b31d2b7fca Mon Sep 17 00:00:00 2001
From: nia <nia@netbsd.org>
Date: Sat, 18 May 2019 13:11:10 +0100
Subject: [PATCH] platform_unix: Check whether LANG is defined before using it.

Fixes a segfault.
---
 frontend/drivers/platform_unix.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/frontend/drivers/platform_unix.c b/frontend/drivers/platform_unix.c
index 227b1911ae..d43d67a91a 100644
--- a/frontend/drivers/platform_unix.c
+++ b/frontend/drivers/platform_unix.c
@@ -2537,7 +2537,10 @@ enum retro_language frontend_unix_get_user_language(void)
       }
    }
 #else
-   lang = rarch_get_language_from_iso(getenv("LANG"));
+   char *envvar = getenv("LANG");
+
+   if (envvar != NULL)
+      lang = rarch_get_language_from_iso(envvar);
 #endif
 #endif
    return lang;