rt-thread-official/components/dfs/dfs_v1/filesystems/skeleton/skeleton.c

98 lines
1.6 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include <rtthread.h>
#include <dfs.h>
#include <dfs_fs.h>
#include <dfs_file.h>
#include "dfs_skt_fs.h"
int dfs_skt_mount(struct dfs_filesystem *fs, unsigned long rwflag, const void *data)
{
return RT_EOK;
}
int dfs_skt_unmount(struct dfs_filesystem *fs)
{
return RT_EOK;
}
int dfs_skt_ioctl(struct dfs_file *file, int cmd, void *args)
{
return -RT_EIO;
}
int dfs_skt_read(struct dfs_file *file, void *buf, rt_size_t count)
{
return count;
}
int dfs_skt_lseek(struct dfs_file *file, rt_off_t offset)
{
return -RT_EIO;
}
int dfs_skt_close(struct dfs_file *file)
{
return RT_EOK;
}
int dfs_skt_open(struct dfs_file *file)
{
return RT_EOK;
}
int dfs_skt_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
{
return RT_EOK;
}
int dfs_skt_getdents(struct dfs_file *file, struct dirent *dirp, rt_uint32_t count)
{
return count * sizeof(struct dirent);
}
static const struct dfs_file_ops _skt_fops =
{
dfs_skt_open,
dfs_skt_close,
dfs_skt_ioctl,
dfs_skt_read,
NULL, /* write */
NULL, /* flush */
dfs_skt_lseek,
dfs_skt_getdents,
};
static const struct dfs_filesystem_ops _skt_fs =
{
"skt",
DFS_FS_FLAG_DEFAULT,
&_skt_fops,
dfs_skt_mount,
dfs_skt_unmount,
NULL, /* mkfs */
NULL, /* statfs */
NULL, /* unlink */
dfs_skt_stat,
NULL, /* rename */
};
int dfs_skt_init(void)
{
/* register rom file system */
dfs_register(&_skt_fs);
return 0;
}
INIT_COMPONENT_EXPORT(dfs_skt_init);