[example] 格式化整理

5 files changed, 123 insertions, 123 deletions

diff --git a/examples/file/listdir.c b/examples/file/listdir.c
index d8ea7af82a..98fbc5ea2c 100644
--- a/examples/file/listdir.c
+++ b/examples/file/listdir.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/examples/file/readspeed.c b/examples/file/readspeed.c
index e5073856b4..ffc19635cf 100644
--- a/examples/file/readspeed.c
+++ b/examples/file/readspeed.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -46,9 +46,9 @@ void readspeed(const char* filename, int block_size)
     }
     tick = rt_tick_get() - tick;
 
-	/* close file and release memory */
+    /* close file and release memory */
     close(fd);
-	rt_free(buff_ptr);
+    rt_free(buff_ptr);
 
     /* calculate read speed */
     rt_kprintf("File read speed: %d byte/s\n", total_length /tick * RT_TICK_PER_SECOND);
diff --git a/examples/file/readwrite.c b/examples/file/readwrite.c
index 5738323805..56f3b7e16c 100644
--- a/examples/file/readwrite.c
+++ b/examples/file/readwrite.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -17,21 +17,21 @@
 /* file read write test */
 void readwrite(const char* filename)
 {
-	int fd;
-	int index, length;
-	char* test_data;
-	char* buffer;
-	int block_size = TEST_DATA_LEN;
+    int fd;
+    int index, length;
+    char* test_data;
+    char* buffer;
+    int block_size = TEST_DATA_LEN;
 
-	/* open with write only & create */
-	fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0);
-	if (fd < 0)
-	{
-		rt_kprintf("open file for write failed\n");
-		return;
-	}
+    /* open with write only & create */
+    fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0);
+    if (fd < 0)
+    {
+        rt_kprintf("open file for write failed\n");
+        return;
+    }
 
-	test_data = rt_malloc(block_size);
+    test_data = rt_malloc(block_size);
     if (test_data == RT_NULL)
     {
         rt_kprintf("no memory\n");
@@ -48,94 +48,94 @@ void readwrite(const char* filename)
         return;
     }
 
-	/* prepare some data */
-	for (index = 0; index < block_size; index ++)
-	{
-		test_data[index] = index + 27;
-	}
+    /* prepare some data */
+    for (index = 0; index < block_size; index ++)
+    {
+        test_data[index] = index + 27;
+    }
 
-	/* write to file */
-	length = write(fd, test_data, block_size);
-	if (length != block_size)
-	{
-		rt_kprintf("write data failed\n");
-		close(fd);
-		goto __exit;
-	}
+    /* write to file */
+    length = write(fd, test_data, block_size);
+    if (length != block_size)
+    {
+        rt_kprintf("write data failed\n");
+        close(fd);
+        goto __exit;
+    }
 
-	/* close file */
-	close(fd);
+    /* close file */
+    close(fd);
 
-	/* reopen the file with append to the end */
-	fd = open(filename, O_WRONLY | O_CREAT | O_APPEND, 0);
-	if (fd < 0)
-	{
-		rt_kprintf("open file for append write failed\n");
-		goto __exit;;
-	}
+    /* reopen the file with append to the end */
+    fd = open(filename, O_WRONLY | O_CREAT | O_APPEND, 0);
+    if (fd < 0)
+    {
+        rt_kprintf("open file for append write failed\n");
+        goto __exit;;
+    }
 
-	length = write(fd, test_data, block_size);
-	if (length != block_size)
-	{
-		rt_kprintf("append write data failed\n");
-		close(fd);
-		goto __exit;
-	}
-	/* close the file */
-	close(fd);
+    length = write(fd, test_data, block_size);
+    if (length != block_size)
+    {
+        rt_kprintf("append write data failed\n");
+        close(fd);
+        goto __exit;
+    }
+    /* close the file */
+    close(fd);
 
-	/* open the file for data validation. */
-	fd = open(filename, O_RDONLY, 0);
-	if (fd < 0)
-	{
-		rt_kprintf("check: open file for read failed\n");
-		goto __exit;
-	}
+    /* open the file for data validation. */
+    fd = open(filename, O_RDONLY, 0);
+    if (fd < 0)
+    {
+        rt_kprintf("check: open file for read failed\n");
+        goto __exit;
+    }
 
-	/* read the data (should be the data written by the first time ) */
-	length = read(fd, buffer, block_size);
-	if (length != block_size)
-	{
-		rt_kprintf("check: read file failed\n");
-		close(fd);
-		goto __exit;
-	}
+    /* read the data (should be the data written by the first time ) */
+    length = read(fd, buffer, block_size);
+    if (length != block_size)
+    {
+        rt_kprintf("check: read file failed\n");
+        close(fd);
+        goto __exit;
+    }
 
-	/* validate */
-	for (index = 0; index < block_size; index ++)
-	{
-		if (test_data[index] != buffer[index])
-		{
-			rt_kprintf("check: check data failed at %d\n", index);
-			close(fd);
-			goto __exit;
-		}
-	}
+    /* validate */
+    for (index = 0; index < block_size; index ++)
+    {
+        if (test_data[index] != buffer[index])
+        {
+            rt_kprintf("check: check data failed at %d\n", index);
+            close(fd);
+            goto __exit;
+        }
+    }
 
-	/* read the data (should be the second time data) */
-	length = read(fd, buffer, block_size);
-	if (length != block_size)
-	{
-		rt_kprintf("check: read file failed\n");
-		close(fd);
-		goto __exit;
-	}
+    /* read the data (should be the second time data) */
+    length = read(fd, buffer, block_size);
+    if (length != block_size)
+    {
+        rt_kprintf("check: read file failed\n");
+        close(fd);
+        goto __exit;
+    }
 
-	/* validate */
-	for (index = 0; index < block_size; index ++)
-	{
-		if (test_data[index] != buffer[index])
-		{
-			rt_kprintf("check: check data failed at %d\n", index);
-			close(fd);
-			goto __exit;
-		}
-	}
+    /* validate */
+    for (index = 0; index < block_size; index ++)
+    {
+        if (test_data[index] != buffer[index])
+        {
+            rt_kprintf("check: check data failed at %d\n", index);
+            close(fd);
+            goto __exit;
+        }
+    }
 
-	/* close the file */
-	close(fd);
-	/* print result */
-	rt_kprintf("read/write test successful!\n");
+    /* close the file */
+    close(fd);
+    /* print result */
+    rt_kprintf("read/write test successful!\n");
 
 __exit:
     rt_free(test_data);
diff --git a/examples/file/seekdir.c b/examples/file/seekdir.c
index d6a33426b4..efadd3a1c8 100644
--- a/examples/file/seekdir.c
+++ b/examples/file/seekdir.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -12,35 +12,35 @@
 
 void seekdir_test(void)
 {
-	DIR * dirp;
-	long save3 = 0;
-	int i = 0;
-	struct dirent *dp;
+    DIR * dirp;
+    long save3 = 0;
+    int i = 0;
+    struct dirent *dp;
 
-	dirp = opendir ("/");
-	save3 = telldir(dirp);
-	for (dp = readdir(dirp); dp != RT_NULL; dp = readdir(dirp))
-	{
-		rt_kprintf("direntry: %s\n", dp->d_name);
+    dirp = opendir ("/");
+    save3 = telldir(dirp);
+    for (dp = readdir(dirp); dp != RT_NULL; dp = readdir(dirp))
+    {
+        rt_kprintf("direntry: %s\n", dp->d_name);
 
-		/* save the pointer of the third directory */
-		if (i++ == 3)
-		{
-			save3 = telldir(dirp);
-		}
-	}
+        /* save the pointer of the third directory */
+        if (i++ == 3)
+        {
+            save3 = telldir(dirp);
+        }
+    }
 
-	/* get back to the third directory */
-	seekdir (dirp, save3);
-	rt_kprintf("seek dientry to: %d\n", save3);
-	for (dp = readdir(dirp); dp != RT_NULL; dp = readdir(dirp))
-	{
-		rt_kprintf("direntry: %s\n", dp->d_name);
-	}
+    /* get back to the third directory */
+    seekdir (dirp, save3);
+    rt_kprintf("seek dientry to: %d\n", save3);
+    for (dp = readdir(dirp); dp != RT_NULL; dp = readdir(dirp))
+    {
+        rt_kprintf("direntry: %s\n", dp->d_name);
+    }
 
-	/* close the directory */
-	closedir (dirp);
-} 
+    /* close the directory */
+    closedir (dirp);
+}
 
 #ifdef RT_USING_FINSH
 #include <finsh.h>
diff --git a/examples/file/writespeed.c b/examples/file/writespeed.c
index 60dd900a68..680761583c 100644
--- a/examples/file/writespeed.c
+++ b/examples/file/writespeed.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *