9 files changed, 32 insertions, 32 deletions
diff --git a/components/libc/compilers/newlib/libc.c b/components/libc/compilers/newlib/libc.c
index 2234c36f98..9834a9a015 100644
--- a/components/libc/compilers/newlib/libc.c
+++ b/components/libc/compilers/newlib/libc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -19,7 +19,7 @@
 #include <pthread.h>
 #endif
 
-int	_EXFUN(putenv,(char *__string));
+int _EXFUN(putenv,(char *__string));
 
 int libc_system_init(void)
 {
diff --git a/components/libc/compilers/newlib/libc.h b/components/libc/compilers/newlib/libc.h
index fdf2ab4f60..bf294ac116 100644
--- a/components/libc/compilers/newlib/libc.h
+++ b/components/libc/compilers/newlib/libc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -16,7 +16,7 @@
 #include <sys/time.h>
 
 #ifndef _EXFUN
-#define _EXFUN(name, proto)		name proto
+#define _EXFUN(name, proto)     name proto
 #endif
 
 #define MILLISECOND_PER_SECOND  1000UL
diff --git a/components/libc/compilers/newlib/libc_syms.c b/components/libc/compilers/newlib/libc_syms.c
index b150c10fd6..f0882afcfc 100644
--- a/components/libc/compilers/newlib/libc_syms.c
+++ b/components/libc/compilers/newlib/libc_syms.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/libc/compilers/newlib/stdio.c b/components/libc/compilers/newlib/stdio.c
index 233a447396..ce5bdb75cb 100644
--- a/components/libc/compilers/newlib/stdio.c
+++ b/components/libc/compilers/newlib/stdio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -15,7 +15,7 @@
 
 #define STDIO_DEVICE_NAME_MAX   32
 
-int	_EXFUN(fileno, (FILE *));
+int _EXFUN(fileno, (FILE *));
 
 static FILE* std_console = NULL;
 
@@ -48,7 +48,7 @@ int libc_stdio_set_console(const char* device_name, int mode)
         {
             _GLOBAL_REENT->_stdin  = std_console;
         }
-        else 
+        else
         {
             _GLOBAL_REENT->_stdin  = NULL;
         }
diff --git a/components/libc/compilers/newlib/sys/dirent.h b/components/libc/compilers/newlib/sys/dirent.h
index db8c0655a1..bfba586093 100644
--- a/components/libc/compilers/newlib/sys/dirent.h
+++ b/components/libc/compilers/newlib/sys/dirent.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -17,36 +17,36 @@
  */
 
 /* File types */
-#define FT_REGULAR		0	/* regular file */
-#define FT_SOCKET		1	/* socket file  */
-#define FT_DIRECTORY	2	/* directory    */
-#define FT_USER			3	/* user defined */
+#define FT_REGULAR      0   /* regular file */
+#define FT_SOCKET       1   /* socket file  */
+#define FT_DIRECTORY    2   /* directory    */
+#define FT_USER         3   /* user defined */
 
-#define DT_UNKNOWN		0x00
-#define DT_REG			0x01
-#define DT_DIR			0x02
+#define DT_UNKNOWN      0x00
+#define DT_REG          0x01
+#define DT_DIR          0x02
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #ifndef HAVE_DIR_STRUCTURE
-typedef struct 
+typedef struct
 {
-	int fd;							/* directory file */
-	char buf[512];
-	int num;
-	int cur;
+    int fd;                         /* directory file */
+    char buf[512];
+    int num;
+    int cur;
 } DIR;
 #endif
 
 #ifndef HAVE_DIRENT_STRUCTURE
 struct dirent
 {
-	rt_uint8_t  d_type;				/* The type of the file */
-	rt_uint8_t  d_namlen;			/* The length of the not including the terminating null file name */
-	rt_uint16_t d_reclen;			/* length of this record */
-	char d_name[256];				/* The null-terminated file name */
+    rt_uint8_t  d_type;             /* The type of the file */
+    rt_uint8_t  d_namlen;           /* The length of the not including the terminating null file name */
+    rt_uint16_t d_reclen;           /* length of this record */
+    char d_name[256];               /* The null-terminated file name */
 };
 #endif
 
diff --git a/components/libc/compilers/newlib/sys/mman.h b/components/libc/compilers/newlib/sys/mman.h
index 8c61b32b7c..6a260ccd70 100644
--- a/components/libc/compilers/newlib/sys/mman.h
+++ b/components/libc/compilers/newlib/sys/mman.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/libc/compilers/newlib/sys/statfs.h b/components/libc/compilers/newlib/sys/statfs.h
index 3c923a21f9..0996af9a18 100644
--- a/components/libc/compilers/newlib/sys/statfs.h
+++ b/components/libc/compilers/newlib/sys/statfs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -13,9 +13,9 @@
 
 struct statfs
 {
-	rt_size_t f_bsize; 	 /* block size */
-	rt_size_t f_blocks;  /* total data blocks in file system */
-	rt_size_t f_bfree;	 /* free blocks in file system */
+    rt_size_t f_bsize;   /* block size */
+    rt_size_t f_blocks;  /* total data blocks in file system */
+    rt_size_t f_bfree;   /* free blocks in file system */
 };
 
 #endif
diff --git a/components/libc/compilers/newlib/sys/termios.h b/components/libc/compilers/newlib/sys/termios.h
index ce95230e88..c4b42083c4 100644
--- a/components/libc/compilers/newlib/sys/termios.h
+++ b/components/libc/compilers/newlib/sys/termios.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/libc/compilers/newlib/syscalls.c b/components/libc/compilers/newlib/syscalls.c
index 228fa0d140..754059fe2f 100644
--- a/components/libc/compilers/newlib/syscalls.c
+++ b/components/libc/compilers/newlib/syscalls.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *