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| -rw-r--r-- | examples/file/seekdir.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/examples/file/seekdir.c b/examples/file/seekdir.c new file mode 100644 index 0000000000..831023f8eb --- /dev/null +++ b/examples/file/seekdir.c @@ -0,0 +1,50 @@ +/*
+ * File : seekdir.c
+ * This file is part of RT-TestCase in RT-Thread RTOS
+ * COPYRIGHT (C) 2011, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2011-06-02 Bernard first version
+ */
+#include <dfs_posix.h>
+
+void seekdir_test(void)
+{
+ DIR * dirp;
+ long save3 = 0;
+ long cur;
+ 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);
+
+ /* ���������Ŀ¼���Ŀ¼ָ�� */
+ if (i++ == 3)
+ {
+ save3 = telldir(dirp);
+ }
+ }
+
+ /* �ص��ղű���ĵ�����Ŀ¼���Ŀ¼ָ�� */
+ 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);
+ }
+
+ /* �ر�Ŀ¼ */
+ closedir (dirp);
+}
+
+#include <finsh.h>
+FINSH_FUNCTION_EXPORT(seekdir_test, perform directory seek test);
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