From 9220447060be5996c9065f26ab8358f6b19f258e Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Tue, 23 Feb 2021 10:28:13 +0800
Subject: update

---
 components/libc/compilers/newlib/minilib.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'components')

diff --git a/components/libc/compilers/newlib/minilib.c b/components/libc/compilers/newlib/minilib.c
index 2d07eabe5a..1210880b96 100644
--- a/components/libc/compilers/newlib/minilib.c
+++ b/components/libc/compilers/newlib/minilib.c
@@ -16,3 +16,16 @@ void * _sbrk_r(struct _reent *ptr, ptrdiff_t incr)
     /* no use this routine to get memory */
     return RT_NULL;
 }
+
+#ifdef RT_USING_HEAP
+char *strdup(const char *s)
+{
+    size_t len = strlen(s) + 1;
+    char *tmp = (char *)rt_malloc(len);
+
+    if(!tmp) return NULL;
+
+    rt_memcpy(tmp, s, len);
+    return tmp;
+}
+#endif /*RT_USING_HEAP*/
-- 
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