From 2377aec000c4cce99f69466dc41fb3dc935b726a Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Wed, 20 Jun 2018 17:13:04 +0200
Subject: [PATCH] src: fix debugging for multiple categories

Fix parsing of e.g. `NODE_DEBUG_NATIVE=worker,messaging`.

PR-URL: https://github.com/nodejs/node/pull/21422
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
---
 src/env.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/env.cc b/src/env.cc
index 6f6e9f3920f4b1..2236893dd77923 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -537,7 +537,7 @@ void Environment::set_debug_categories(const std::string& cats, bool enabled) {
     if (comma_pos == std::string::npos)
       break;
     // Use everything after the `,` as the list for the next iteration.
-    debug_categories = debug_categories.substr(comma_pos);
+    debug_categories = debug_categories.substr(comma_pos + 1);
   }
 }