From 6d9e404673ef2d309ab025535c189254acb8b172 Mon Sep 17 00:00:00 2001
From: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
Date: Sat, 15 Mar 2025 20:00:49 +0100
Subject: [PATCH] fix clang-cl warnings in fileutils.c

---
 Python/fileutils.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Python/fileutils.c b/Python/fileutils.c
index 68d24bc6b93465..44409d933fa875 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -55,8 +55,9 @@ int _Py_open_cloexec_works = -1;
 
 // mbstowcs() and mbrtowc() errors
 static const size_t DECODE_ERROR = ((size_t)-1);
+#ifdef HAVE_MBRTOWC
 static const size_t INCOMPLETE_CHARACTER = (size_t)-2;
-
+#endif
 
 static int
 get_surrogateescape(_Py_error_handler errors, int *surrogateescape)
@@ -129,7 +130,7 @@ is_valid_wide_char(wchar_t ch)
         // Reject lone surrogate characters
         return 0;
     }
-    if (ch > MAX_UNICODE) {
+    if (sizeof(ch) > 2 && ch > MAX_UNICODE) {
         // bpo-35883: Reject characters outside [U+0000; U+10ffff] range.
         // The glibc mbstowcs() UTF-8 decoder does not respect the RFC 3629,
         // it creates characters outside the [U+0000; U+10ffff] range: