From ce7e7d9de79ab173585a365c5514054098e5f12b Mon Sep 17 00:00:00 2001
From: Shane Pearman <spearman@gitlab.com>
Date: Fri, 25 Jun 2021 10:53:30 -0700
Subject: [PATCH] fix runtime error in deflate context z_stream zeroed mem
 initialization

---
 src/deflate/context.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/deflate/context.rs b/src/deflate/context.rs
index 2fa2e23..65e5322 100644
--- a/src/deflate/context.rs
+++ b/src/deflate/context.rs
@@ -67,7 +67,10 @@ impl Compressor {
         debug_assert!(window_bits <= 15, "Received too large window size.");
 
         unsafe {
-            let mut stream: Box<ffi::z_stream> = Box::new(mem::zeroed());
+            let mut stream: Box<ffi::z_stream> = Box::new({
+                let maybe = mem::MaybeUninit::<ffi::z_stream>::zeroed();
+                maybe.assume_init()
+            });
             let result = ffi::deflateInit2_(
                 stream.as_mut(),
                 9,
@@ -139,7 +142,10 @@ impl Decompressor {
         debug_assert!(window_bits <= 15, "Received too large window size.");
 
         unsafe {
-            let mut stream: Box<ffi::z_stream> = Box::new(mem::zeroed());
+            let mut stream: Box<ffi::z_stream> = Box::new({
+                let maybe = mem::MaybeUninit::<ffi::z_stream>::zeroed();
+                maybe.assume_init()
+            });
             let result = ffi::inflateInit2_(
                 stream.as_mut(),
                 -window_bits as c_int,