From 37334c54f9d94cb935cd08a511aadc391c633c93 Mon Sep 17 00:00:00 2001
From: John <ebusd@ebusd.eu>
Date: Tue, 3 Oct 2023 08:28:43 +0200
Subject: [PATCH] allow envp missing

---
 src/ebusd/main_args.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ebusd/main_args.cpp b/src/ebusd/main_args.cpp
index e7ad5ef5..82d92141 100755
--- a/src/ebusd/main_args.cpp
+++ b/src/ebusd/main_args.cpp
@@ -633,7 +633,7 @@ int parse_main_args(int argc, char* argv[], char* envp[], options_t *opt, int *a
 
   char envname[32] = "--";  // needs to cover at least max length of any option name plus "--"
   char* envopt = envname+2;
-  for (char ** env = envp; *env; env++) {
+  for (char ** env = envp; env && *env; env++) {
     char* pos = strchr(*env, '=');
     if (!pos || strncmp(*env, "EBUSD_", sizeof("EBUSD_")-1) != 0) {
       continue;