From a28d0181cb155d3068415d8d7a6109e11d5fc241 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=BDubor=20Illek?= <Lubor.Illek@gmail.com>
Date: Mon, 14 Jan 2019 17:54:51 +0100
Subject: [PATCH] Check return code of inflateSetDictionary()

---
 lib/inflate.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/inflate.js b/lib/inflate.js
index 104def2..7535d15 100644
--- a/lib/inflate.js
+++ b/lib/inflate.js
@@ -153,7 +153,12 @@ function Inflate(options) {
     } else if (toString.call(opt.dictionary) === '[object ArrayBuffer]') {
       opt.dictionary = new Uint8Array(opt.dictionary);
     }
-    if (opt.raw) zlib_inflate.inflateSetDictionary(this.strm, opt.dictionary); //In raw mode we need to set the dictionary early
+    if (opt.raw) { //In raw mode we need to set the dictionary early
+      status = zlib_inflate.inflateSetDictionary(this.strm, opt.dictionary);
+      if (status !== c.Z_OK) {
+        throw new Error(msg[status]);
+      }
+    }
   }
 }