From 1f5aebead0de51e2c2442107a51e3b215deb5cc8 Mon Sep 17 00:00:00 2001
From: aristocratos <gnmjpl@gmail.com>
Date: Wed, 22 Sep 2021 19:32:00 +0200
Subject: [PATCH] Fixed: Check that getenv("LANG") is not NULL in UTF-8 check

---
 src/btop.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/btop.cpp b/src/btop.cpp
index b968993..50502b5 100644
--- a/src/btop.cpp
+++ b/src/btop.cpp
@@ -719,9 +719,9 @@ int main(int argc, char **argv) {
 
 	//? Try to find and set a UTF-8 locale
 	if (bool found = false; not str_to_upper(s_replace((string)std::setlocale(LC_ALL, NULL), "-", "")).ends_with("UTF8")) {
-		if (const string lang = (string)getenv("LANG"); str_to_upper(s_replace(lang, "-", "")).ends_with("UTF8")) {
+		if (getenv("LANG") != NULL and str_to_upper(s_replace((string)getenv("LANG"), "-", "")).ends_with("UTF8")) {
 			found = true;
-			std::setlocale(LC_ALL, lang.c_str());
+			std::setlocale(LC_ALL, getenv("LANG"));
 		}
 		else {
 			setenv("LANG", "", 1);