From e6fd3ffcd9b5e8d4348db66bd42d9e0ec890533b Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Wed, 29 Dec 2021 13:59:46 -0500
Subject: [libc]修理一些细节问题
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---
 components/libc/compilers/armlibc/syscalls.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

(limited to 'components/libc/compilers/armlibc/syscalls.c')

diff --git a/components/libc/compilers/armlibc/syscalls.c b/components/libc/compilers/armlibc/syscalls.c
index 2dd90cb27c..f4ced9d3c0 100644
--- a/components/libc/compilers/armlibc/syscalls.c
+++ b/components/libc/compilers/armlibc/syscalls.c
@@ -276,10 +276,7 @@ char *_sys_command_string(char *cmd, int len)
 void _ttywrch(int ch)
 {
 #ifdef RT_USING_CONSOLE
-    char c;
-
-    c = (char)ch;
-    rt_kprintf(&c);
+    rt_kprintf("%c", (char)ch);
 #endif /* RT_USING_CONSOLE */
 }
 
@@ -337,10 +334,7 @@ int remove(const char *filename)
 int fputc(int c, FILE *f)
 {
 #ifdef RT_USING_CONSOLE
-    char ch[2] = {0};
-
-    ch[0] = c;
-    rt_kprintf(&ch[0]);
+    rt_kprintf("%c", (char)c);
     return 1;
 #else
     return 0; /* error */
-- 
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