51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
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* File : seekdir.c
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* This file is part of RT-TestCase in RT-Thread RTOS
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* COPYRIGHT (C) 2011, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2011-06-02 Bernard first version
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*/
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#include <dfs_posix.h>
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void seekdir_test(void)
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{
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DIR * dirp;
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long save3 = 0;
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long cur;
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int i = 0;
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struct dirent *dp;
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dirp = opendir ("/");
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save3 = telldir(dirp);
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for (dp = readdir(dirp); dp != RT_NULL; dp = readdir(dirp))
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{
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rt_kprintf("direntry: %s\n", dp->d_name);
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/* 保存第三个目录项的目录指针 */
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if (i++ == 3)
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{
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save3 = telldir(dirp);
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}
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}
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/* 回到刚才保存的第三个目录项的目录指针 */
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seekdir (dirp, save3);
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rt_kprintf("seek dientry to: %d\n", save3);
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for (dp = readdir(dirp); dp != RT_NULL; dp = readdir(dirp))
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{
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rt_kprintf("direntry: %s\n", dp->d_name);
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}
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/* 关闭目录 */
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closedir (dirp);
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}
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(seekdir_test, perform directory seek test);
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