From 917acbd4e1da5479192ec2e38993e030723cbe59 Mon Sep 17 00:00:00 2001
From: Bhagirath Mehta <bhamehta@microsoft.com>
Date: Tue, 28 Jul 2026 18:09:54 -0500
Subject: [PATCH] Avoid crc32 narrowing warning

The CRC is already masked to 32 bits, but Clang still diagnoses the implicit conversion from uLong to z_crc_t under -Wshorten-64-to-32. Make the intended narrowing explicit.

Files changed:
- crc32.c

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 6b269873-a7bf-490e-a412-70a920868135
---
 crc32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crc32.c b/crc32.c
index d9ade51502..32b1d04578 100644
--- a/crc32.c
+++ b/crc32.c
@@ -686,7 +686,7 @@ uLong ZEXPORT crc32_z(uLong crc, const unsigned char FAR *buf, z_size_t len) {
 #endif
 
             /* Initialize the CRC for each braid. */
-            crc0 = crc;
+            crc0 = (z_crc_t)crc;
 #if N > 1
             crc1 = 0;
 #if N > 2