From 045d2aca0f630e43b84f9b8db4043e1264062368 Mon Sep 17 00:00:00 2001
From: Levi Broderick <levib@microsoft.com>
Date: Wed, 30 Aug 2023 16:11:30 -0700
Subject: [PATCH] Address C4244 warnings in MSVC build

---
 deflate.c       | 8 ++++----
 deflate_quick.c | 4 ++--
 slide_sse.c     | 2 +-
 trees.c         | 2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/deflate.c b/deflate.c
index bd5e9577..108b1a18 100644
--- a/deflate.c
+++ b/deflate.c
@@ -1553,10 +1553,10 @@ local block_state deflate_stored(s, flush)
         _tr_stored_block(s, (char *)0, 0L, last);
 
         /* Replace the lengths in the dummy stored block with len. */
-        s->pending_buf[s->pending - 4] = len;
-        s->pending_buf[s->pending - 3] = len >> 8;
-        s->pending_buf[s->pending - 2] = ~len;
-        s->pending_buf[s->pending - 1] = ~len >> 8;
+        s->pending_buf[s->pending - 4] = (Bytef)len;
+        s->pending_buf[s->pending - 3] = (Bytef)(len >> 8);
+        s->pending_buf[s->pending - 2] = (Bytef)~len;
+        s->pending_buf[s->pending - 1] = (Bytef)(~len >> 8);
 
         /* Write the stored block header bytes. */
         flush_pending(s->strm);
diff --git a/deflate_quick.c b/deflate_quick.c
index 1a6e4f89..37c72b8a 100644
--- a/deflate_quick.c
+++ b/deflate_quick.c
@@ -136,7 +136,7 @@ local inline void quick_send_bits(deflate_state *z_const s, z_const int value,
 
     b = w >> 3;
     s->pending += b;
-    s->bi_buf =  out >> (b << 3);
+    s->bi_buf = (ush)(out >> (b << 3));
     s->bi_valid = w - (b << 3);
 }
 
@@ -224,7 +224,7 @@ block_state deflate_quick(deflate_state *s, int flush)
         }
 
         if (s->lookahead >= MIN_MATCH) {
-            hash_head = quick_insert_string(s, s->strstart);
+            hash_head = quick_insert_string(s, (Pos)s->strstart);
             dist = s->strstart - hash_head;
 
             if ((dist-1) < (s->w_size - 1)) {
diff --git a/slide_sse.c b/slide_sse.c
index 342fd562..eb74202c 100644
--- a/slide_sse.c
+++ b/slide_sse.c
@@ -18,7 +18,7 @@ void slide_hash_sse(deflate_state *s)
     unsigned n;
     Posf *p;
     uInt wsize = s->w_size;
-    z_const __m128i xmm_wsize = _mm_set1_epi16(s->w_size);
+    z_const __m128i xmm_wsize = _mm_set1_epi16((short)s->w_size);
 
     n = s->hash_size;
     p = &s->head[n] - 8;
diff --git a/trees.c b/trees.c
index 35462a13..f78b7d8c 100644
--- a/trees.c
+++ b/trees.c
@@ -717,7 +717,7 @@ local void scan_tree(s, tree, max_code)
         if (++count < max_count && curlen == nextlen) {
             continue;
         } else if (count < min_count) {
-            s->bl_tree[curlen].Freq += count;
+            s->bl_tree[curlen].Freq += (ush)count;
         } else if (curlen != 0) {
             if (curlen != prevlen) s->bl_tree[curlen].Freq++;
             s->bl_tree[REP_3_6].Freq++;