From c80688126a013c53334464799e28fcf2e4f4fb8c Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Mon, 27 Sep 2021 22:20:21 -0400
Subject: [libc] 优化system 支持gcc
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---
 components/libc/compilers/common/stdlib.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

(limited to 'components/libc/compilers/common/stdlib.c')

diff --git a/components/libc/compilers/common/stdlib.c b/components/libc/compilers/common/stdlib.c
index 16a13afb83..6cc0b9fdac 100644
--- a/components/libc/compilers/common/stdlib.c
+++ b/components/libc/compilers/common/stdlib.c
@@ -25,11 +25,21 @@ void __rt_libc_exit(int status)
     }
 }
 
-int __rt_libc_system(const char *string)
-{
 #ifdef RT_USING_MSH
+int system(const char *command)
+{
     extern int msh_exec(char *cmd, rt_size_t length);
-    msh_exec((char*)string, rt_strlen(string));
-#endif
-    return 0;
+
+    int ret = -RT_ENOMEM;
+    char *cmd = rt_strdup(command);
+
+    if (cmd)
+    {
+        ret = msh_exec(cmd, rt_strlen(cmd));
+        rt_free(cmd);
+    }
+
+    return ret;
 }
+RTM_EXPORT(system);
+#endif
-- 
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