File 1020-Fixed-using-unitialized-variable-when-environment-va.patch of Package erlang

From a063e36b6166a5716c332fcd66f0f41c7655b83d Mon Sep 17 00:00:00 2001
From: Dominic Letz <dominic@diode.io>
Date: Mon, 19 Oct 2020 13:48:57 +0200
Subject: [PATCH] Fixed using unitialized variable when environment var is too
 big

---
 lib/wx/c_src/wxe_ps_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/wx/c_src/wxe_ps_init.c b/lib/wx/c_src/wxe_ps_init.c
index 62c7c51c13..d82d142967 100644
--- a/lib/wx/c_src/wxe_ps_init.c
+++ b/lib/wx/c_src/wxe_ps_init.c
@@ -74,7 +74,7 @@ void * wxe_ps_init2() {
    if( !is_packaged_app() ) {
       // Undocumented function (but no documented way of doing this exists)
       int res = erl_drv_getenv("WX_APP_TITLE", app_title_buf, &app_len);
-      if (res >= 0) {
+      if (res == 0) {
           app_title = app_title_buf;
       } else {
           app_title = NULL;
-- 
2.26.2