From 0a799653df4ae4bcaeef78620768a1c8d6242d94 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Mon, 27 Sep 2021 07:29:50 -0400
Subject: [libc][syscalls]将在libc初始化之前调用printf的行为下调为警告级别
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---
 components/libc/compilers/dlib/syscall_read.c  | 4 ++--
 components/libc/compilers/dlib/syscall_write.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'components/libc/compilers/dlib')

diff --git a/components/libc/compilers/dlib/syscall_read.c b/components/libc/compilers/dlib/syscall_read.c
index bdc694b7d8..ae980be6ca 100644
--- a/components/libc/compilers/dlib/syscall_read.c
+++ b/components/libc/compilers/dlib/syscall_read.c
@@ -31,8 +31,8 @@ size_t __read(int handle, unsigned char *buf, size_t len)
 #ifdef RT_USING_POSIX
         if (libc_stdio_get_console() < 0)
         {
-            LOG_E("invoke standard input before initializing libc");
-            return _LLIO_ERROR;
+            LOG_W("Do not invoke standard input before initializing libc");
+            return 0;
         }
         return read(STDIN_FILENO, buf, len);
 #else
diff --git a/components/libc/compilers/dlib/syscall_write.c b/components/libc/compilers/dlib/syscall_write.c
index bd7cc83d99..ffee51882d 100644
--- a/components/libc/compilers/dlib/syscall_write.c
+++ b/components/libc/compilers/dlib/syscall_write.c
@@ -36,8 +36,8 @@ size_t __write(int handle, const unsigned char *buf, size_t len)
 #ifdef RT_USING_POSIX
         if (libc_stdio_get_console() < 0)
         {
-            LOG_E("invoke standard output before initializing libc");
-            return _LLIO_ERROR;
+            LOG_W("Do not invoke standard output before initializing libc");
+            return 0;
         }
         return write(STDOUT_FILENO, (void*)buf, len);
 #else
-- 
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