From 6d56ee7edf254c3ec9ac6a96401aff9479654cec Mon Sep 17 00:00:00 2001
From: Aleksandr Sokolkin <shura.sokolkin@yandex.ru>
Date: Mon, 27 Oct 2025 21:13:19 +0500
Subject: [PATCH] fix sign-compare warning

---
 include/spdlog/details/os-inl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h
index edbbd5c25e..8a2e203cd8 100644
--- a/include/spdlog/details/os-inl.h
+++ b/include/spdlog/details/os-inl.h
@@ -489,7 +489,7 @@ SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) {
         result_size =
             ::MultiByteToWideChar(CP_UTF8, 0, str.data(), str_size, target.data(), result_size);
         if (result_size > 0) {
-            assert(result_size == target.size());
+            assert(result_size == static_cast<int>(target.size()));
             return;
         }
     }