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: [PATCH] update

---
 bsp/efm32/copy_this_file_shell.c           | 46 ----------------------
 components/libc/compilers/newlib/minilib.c | 13 ++++++
 2 files changed, 13 insertions(+), 46 deletions(-)

diff --git a/bsp/efm32/copy_this_file_shell.c b/bsp/efm32/copy_this_file_shell.c
index 32b7439e0d..7cc7c6ebd6 100644
--- a/bsp/efm32/copy_this_file_shell.c
+++ b/bsp/efm32/copy_this_file_shell.c
@@ -32,52 +32,6 @@ ALIGN(RT_ALIGN_SIZE)
 static char finsh_thread_stack[FINSH_THREAD_STACK_SIZE];
 struct finsh_shell* shell;
 
-#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
-
-#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__)
-int isalpha( int ch )
-{
-	return (unsigned int)((ch | 0x20) - 'a') < 26u;
-}
-
-int atoi(const char* s)
-{
-	long int v=0;
-	int sign=1;
-	while ( *s == ' '  ||  (unsigned int)(*s - 9) < 5u) s++;
-
-	switch (*s)
-	{
-	case '-': sign=-1;
-	case '+': ++s;
-	}
-
-	while ((unsigned int) (*s - '0') < 10u)
-	{
-		v=v*10+*s-'0'; ++s;
-	}
-
-	return sign==-1?-v:v;
-}
-
-int isprint(unsigned char ch)
-{
-    return (unsigned int)(ch - ' ') < 127u - ' ';
-}
-#endif
-#endif
-
 #if defined(RT_USING_DFS) && defined(DFS_USING_WORKDIR)
 #include <dfs_posix.h>
 const char* finsh_get_prompt(void)
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*/