From bfce470690d8d9dbb5bde03707777b8bd1c771e1 Mon Sep 17 00:00:00 2001
From: Christian Helmuth <christian.helmuth@genode-labs.com>
Date: Tue, 1 Oct 2024 15:15:36 +0200
Subject: [PATCH] app/usb_webcam: initialize libc environment

Restores debugging with LIBUSB_DEBUG=<level>.
---
 repos/libports/src/app/usb_webcam/main.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/repos/libports/src/app/usb_webcam/main.cc b/repos/libports/src/app/usb_webcam/main.cc
index c5da5ae6c6..19e15050a2 100644
--- a/repos/libports/src/app/usb_webcam/main.cc
+++ b/repos/libports/src/app/usb_webcam/main.cc
@@ -19,6 +19,7 @@
 #include <base/log.h>
 #include <gui_session/connection.h>
 #include <libc/component.h>
+#include <libc/args.h>
 #include <os/pixel_rgb888.h>
 
 #pragma GCC diagnostic push
@@ -295,7 +296,17 @@ class Main
 };
 
 
+extern char **environ;
+
 void Libc::Component::construct(Libc::Env &env)
 {
+	int argc    = 0;
+	char **argv = nullptr;
+	char **envp = nullptr;
+
+	populate_args_and_env(env, argc, argv, envp);
+
+	environ = envp;
+
 	static Main main(env);
 }