From e002e80f55217e825d6b8a1c6d27b3b781b5e850 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Sun, 27 Dec 2015 21:14:39 +0100
Subject: tools: Add support for MGMT_DEBUG environment variable

---
 tools/btmgmt.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/btmgmt.c b/tools/btmgmt.c
index fc8f0e37a..f82461ed7 100644
--- a/tools/btmgmt.c
+++ b/tools/btmgmt.c
@@ -4640,6 +4640,13 @@ static struct io *setup_stdin(void)
 	return io;
 }
 
+static void mgmt_debug(const char *str, void *user_data)
+{
+	const char *prefix = user_data;
+
+	print("%s%s", prefix, str);
+}
+
 int main(int argc, char *argv[])
 {
 	struct io *input;
@@ -4675,6 +4682,9 @@ int main(int argc, char *argv[])
 		return EXIT_FAILURE;
 	}
 
+	if (getenv("MGMT_DEBUG"))
+		mgmt_set_debug(mgmt, mgmt_debug, "mgmt: ", NULL);
+
 	if (argc > 0) {
 		struct cmd_info *c;
 
-- 
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