convert end of line

1 files changed, 123 insertions, 123 deletions

diff --git a/examples/file/readwrite.c b/examples/file/readwrite.c
index 17d173c353..6f25249c61 100644
--- a/examples/file/readwrite.c
+++ b/examples/file/readwrite.c
@@ -1,123 +1,123 @@
-/*

- * 代码清单：文件读写例子

- *

- * 这个例子演示了如何读写一个文件，特别是写的时候应该如何操作。

- */

-

-#include <rtthread.h>

-#include <dfs_posix.h> /* 当需要使用文件操作时，需要包含这个头文件 */

-

-#define TEST_FN		"/test.dat"

-

-/* 测试用的数据和缓冲 */

-static char test_data[120], buffer[120];

-

-/* 文件读写测试 */

-void readwrite(const char* filename)

-{

-	int fd;

-	int index, length;

-

-	/* 只写 & 创建 打开 */

-	fd = open(TEST_FN, O_WRONLY | O_CREAT | O_TRUNC, 0);

-	if (fd < 0)

-	{

-		rt_kprintf("open file for write failed\n");

-		return;

-	}

-

-	/* 准备写入数据 */

-	for (index = 0; index < sizeof(test_data); index ++)

-	{

-		test_data[index] = index + 27;

-	}

-

-	/* 写入数据 */

-	length = write(fd, test_data, sizeof(test_data));

-	if (length != sizeof(test_data))

-	{

-		rt_kprintf("write data failed\n");

-		close(fd);

-		return;

-	}

-

-	/* 关闭文件 */

-	close(fd);

-

-	/* 只写并在末尾添加打开 */

-	fd = open(TEST_FN, O_WRONLY | O_CREAT | O_APPEND, 0);

-	if (fd < 0)

-	{

-		rt_kprintf("open file for append write failed\n");

-		return;

-	}

-

-	length = write(fd, test_data, sizeof(test_data));

-	if (length != sizeof(test_data))

-	{

-		rt_kprintf("append write data failed\n");

-		close(fd);

-		return;

-	}

-	/* 关闭文件 */

-	close(fd);

-

-	/* 只读打开进行数据校验 */

-	fd = open(TEST_FN, O_RDONLY, 0);

-	if (fd < 0)

-	{

-		rt_kprintf("check: open file for read failed\n");

-		return;

-	}

-

-	/* 读取数据(应该为第一次写入的数据) */

-	length = read(fd, buffer, sizeof(buffer));

-	if (length != sizeof(buffer))

-	{

-		rt_kprintf("check: read file failed\n");

-		close(fd);

-		return;

-	}

-

-	/* 检查数据是否正确 */

-	for (index = 0; index < sizeof(test_data); index ++)

-	{

-		if (test_data[index] != buffer[index])

-		{

-			rt_kprintf("check: check data failed at %d\n", index);

-			close(fd);

-			return;

-		}

-	}

-

-	/* 读取数据(应该为第二次写入的数据) */

-	length = read(fd, buffer, sizeof(buffer));

-	if (length != sizeof(buffer))

-	{

-		rt_kprintf("check: read file failed\n");

-		close(fd);

-		return;

-	}

-

-	/* 检查数据是否正确 */

-	for (index = 0; index < sizeof(test_data); index ++)

-	{

-		if (test_data[index] != buffer[index])

-		{

-			rt_kprintf("check: check data failed at %d\n", index);

-			close(fd);

-			return;

-		}

-	}

-

-	/* 检查数据完毕，关闭文件 */

-	close(fd);

-	/* 打印结果 */

-	rt_kprintf("read/write done.\n");

-}

-

-#ifdef RT_USING_FINSH

-#include <finsh.h>

-/* 输出函数到finsh shell命令行中 */

-FINSH_FUNCTION_EXPORT(readwrite, perform file read and write test);

-#endif

+/*
+ * 代码清单：文件读写例子
+ *
+ * 这个例子演示了如何读写一个文件，特别是写的时候应该如何操作。
+ */
+
+#include <rtthread.h>
+#include <dfs_posix.h> /* 当需要使用文件操作时，需要包含这个头文件 */
+
+#define TEST_FN		"/test.dat"
+
+/* 测试用的数据和缓冲 */
+static char test_data[120], buffer[120];
+
+/* 文件读写测试 */
+void readwrite(const char* filename)
+{
+	int fd;
+	int index, length;
+
+	/* 只写 & 创建 打开 */
+	fd = open(TEST_FN, O_WRONLY | O_CREAT | O_TRUNC, 0);
+	if (fd < 0)
+	{
+		rt_kprintf("open file for write failed\n");
+		return;
+	}
+
+	/* 准备写入数据 */
+	for (index = 0; index < sizeof(test_data); index ++)
+	{
+		test_data[index] = index + 27;
+	}
+
+	/* 写入数据 */
+	length = write(fd, test_data, sizeof(test_data));
+	if (length != sizeof(test_data))
+	{
+		rt_kprintf("write data failed\n");
+		close(fd);
+		return;
+	}
+
+	/* 关闭文件 */
+	close(fd);
+
+	/* 只写并在末尾添加打开 */
+	fd = open(TEST_FN, O_WRONLY | O_CREAT | O_APPEND, 0);
+	if (fd < 0)
+	{
+		rt_kprintf("open file for append write failed\n");
+		return;
+	}
+
+	length = write(fd, test_data, sizeof(test_data));
+	if (length != sizeof(test_data))
+	{
+		rt_kprintf("append write data failed\n");
+		close(fd);
+		return;
+	}
+	/* 关闭文件 */
+	close(fd);
+
+	/* 只读打开进行数据校验 */
+	fd = open(TEST_FN, O_RDONLY, 0);
+	if (fd < 0)
+	{
+		rt_kprintf("check: open file for read failed\n");
+		return;
+	}
+
+	/* 读取数据(应该为第一次写入的数据) */
+	length = read(fd, buffer, sizeof(buffer));
+	if (length != sizeof(buffer))
+	{
+		rt_kprintf("check: read file failed\n");
+		close(fd);
+		return;
+	}
+
+	/* 检查数据是否正确 */
+	for (index = 0; index < sizeof(test_data); index ++)
+	{
+		if (test_data[index] != buffer[index])
+		{
+			rt_kprintf("check: check data failed at %d\n", index);
+			close(fd);
+			return;
+		}
+	}
+
+	/* 读取数据(应该为第二次写入的数据) */
+	length = read(fd, buffer, sizeof(buffer));
+	if (length != sizeof(buffer))
+	{
+		rt_kprintf("check: read file failed\n");
+		close(fd);
+		return;
+	}
+
+	/* 检查数据是否正确 */
+	for (index = 0; index < sizeof(test_data); index ++)
+	{
+		if (test_data[index] != buffer[index])
+		{
+			rt_kprintf("check: check data failed at %d\n", index);
+			close(fd);
+			return;
+		}
+	}
+
+	/* 检查数据完毕，关闭文件 */
+	close(fd);
+	/* 打印结果 */
+	rt_kprintf("read/write done.\n");
+}
+
+#ifdef RT_USING_FINSH
+#include <finsh.h>
+/* 输出函数到finsh shell命令行中 */
+FINSH_FUNCTION_EXPORT(readwrite, perform file read and write test);
+#endif