From 7cf82fe4222955b22eb23d0c93e4f8afabd28b4f Mon Sep 17 00:00:00 2001
From: wangjianyu3 <wangjianyu3@xiaomi.com>
Date: Thu, 16 Jan 2025 13:21:28 +0800
Subject: [PATCH] libs/lib_tempbuffer: set `errno` when fails

Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
---
 libs/libc/misc/lib_tempbuffer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/libc/misc/lib_tempbuffer.c b/libs/libc/misc/lib_tempbuffer.c
index fcf9e0f265e..470342e5211 100644
--- a/libs/libc/misc/lib_tempbuffer.c
+++ b/libs/libc/misc/lib_tempbuffer.c
@@ -114,6 +114,7 @@ FAR char *lib_get_tempbuffer(size_t nbytes)
 #ifdef CONFIG_LIBC_TEMPBUFFER_MALLOC
   return lib_malloc(nbytes);
 #else
+  _NX_SETERRNO(ENOMEM);
   return NULL;
 #endif
 }