From a98f90806e113d2ecfa320c09592dfcbfc0fc761 Mon Sep 17 00:00:00 2001
From: Alex Kocharin <alex@kocharin.ru>
Date: Wed, 8 Jun 2022 18:23:19 +0300
Subject: [PATCH] Fix inflateInit2() bug when windowBits is 16 or 32.

https://github.com/madler/zlib/commit/0db8fd371477f42c280ddeee29e6de092fabf948
---
 lib/zlib/inflate.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/zlib/inflate.js b/lib/zlib/inflate.js
index e0047c6..8d27936 100644
--- a/lib/zlib/inflate.js
+++ b/lib/zlib/inflate.js
@@ -429,6 +429,9 @@ const inflate = (strm, flush) => {
         }
         //===//
         if ((state.wrap & 2) && hold === 0x8b1f) {  /* gzip header */
+          if (state.wbits === 0) {
+            state.wbits = 15;
+          }
           state.check = 0/*crc32(0L, Z_NULL, 0)*/;
           //=== CRC2(state.check, hold);
           hbuf[0] = hold & 0xff;