import RT-Thread@9217865c without bsp, libcpu and components/net

components/dfs/dfs_v2/filesystems/skeleton/skeleton.c

@@ -0,0 +1,97 @@
+/*
+ * 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);
+