From 390275f867cea4be282b4a7ec160ff5f8b5ea18f Mon Sep 17 00:00:00 2001
From: guoshichao <guoshichao@xiaomi.com>
Date: Thu, 25 Apr 2024 19:13:21 +0800
Subject: [PATCH] wchar/putwc: fix the putwc return value truncate error

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
---
 libs/libc/stdio/lib_putwc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libs/libc/stdio/lib_putwc.c b/libs/libc/stdio/lib_putwc.c
index f7ad8c1002..f55221954b 100644
--- a/libs/libc/stdio/lib_putwc.c
+++ b/libs/libc/stdio/lib_putwc.c
@@ -76,10 +76,11 @@ wint_t putwc_unlocked(wchar_t c, FAR FILE *f)
 
 wint_t putwc(wchar_t c, FAR FILE *f)
 {
+  wint_t wc;
   flockfile(f);
-  c = putwc_unlocked(c, f);
+  wc = putwc_unlocked(c, f);
   funlockfile(f);
-  return c;
+  return wc;
 }
 
 #endif /* CONFIG_FILE_STREAM */