From fee7c52428e9255b78e9cb0f7b7af91a54fe9cf6 Mon Sep 17 00:00:00 2001
From: Mark Adler <git@madler.net>
Date: Tue, 16 Dec 2025 19:17:00 -0800
Subject: Avoid Visual C warning in gzread.c.

---
 gzread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gzread.c b/gzread.c
index 025657a4..52a5019a 100644
--- a/gzread.c
+++ b/gzread.c
@@ -412,7 +412,7 @@ int ZEXPORT gzread(gzFile file, voidp buf, unsigned len) {
     }
 
     /* read len or fewer bytes to buf */
-    len = gz_read(state, buf, len);
+    len = (unsigned)gz_read(state, buf, len);
 
     /* check for an error */
     if (len == 0) {
-- 
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