#include "../file.h"

#include <errno.h>
#include <fs/context.h>
#include <fs/file.h>
#include <fs/status.h>

kern_status_t fs_msg_getdents(
	xpc_context_t *xpc,
	const xpc_endpoint_t *sender,
	int *out_err,
	xpc_buffer_t *out_dents,
	void *arg)
{
	struct fs_context *ctx = arg;
	struct fs_file *f = fs_context_get_file(ctx, sender->e_port);
	if (!f) {
		*out_err = EBADF;
		return KERN_OK;
	}

	if (!(f->f_inode->i_mode & FS_INODE_DIR)) {
		*out_err = ENOTDIR;
		return KERN_OK;
	}

	size_t start = fs_file_get_cursor(f);
	enum fs_status status = fs_file_readdir(f, out_dents);
	size_t end = fs_file_get_cursor(f);

	*out_err = fs_status_to_errno(status);

	return KERN_OK;
}