From a47e7df830181bc54a55a2d23978eae333708f05 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Du=C5=A1an=20Veljko?= <v-dusan@exostellar.io>
Date: Thu, 22 May 2025 18:13:50 +0200
Subject: [PATCH] NULL check `environ` before dereference
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On UNIX, `clearenv` sets `environ` to NULL.
So, NULL is a valid value for `environ`.

Signed-off-by: Dušan Veljko <v-dusan@exostellar.io>
---
 rocclr/utils/flags.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rocclr/utils/flags.cpp b/rocclr/utils/flags.cpp
index 31f8237888..730feba75e 100644
--- a/rocclr/utils/flags.cpp
+++ b/rocclr/utils/flags.cpp
@@ -119,11 +119,11 @@ bool Flag::init() {
 #else  // !_WIN32
 #ifdef __APPLE__
   char** environ = *_NSGetEnviron();
+#endif  // __APPLE__
+
   if (environ == NULL) {
     return false;
   }
-#endif  // __APPLE__
-
   for (const char** p = const_cast<const char**>(environ); *p != NULL; ++p) {
     std::string var = *p;
     size_t pos = var.find('=');