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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <as.h>
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#include <as.h>
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#include <assert.h>
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#include <assert.h>
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#include <dirent.h>
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#include <dirent.h>
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#include <mem.h>
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#include <mem.h>
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#include <sys/stat.h>
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/** Register file system server.
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/** Register file system server.
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 *
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 *
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 * This function abstracts away the tedious registration protocol from
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 * This function abstracts away the tedious registration protocol from
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 * file system implementations and lets them to reuse this registration glue
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 * file system implementations and lets them to reuse this registration glue
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        ops->node_put(cur);
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        ops->node_put(cur);
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    if (tmp)
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    if (tmp)
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        ops->node_put(tmp);
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        ops->node_put(tmp);
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}
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}
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void libfs_stat(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid,
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    ipc_call_t *request)
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{
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    dev_handle_t dev_handle = (dev_handle_t) IPC_GET_ARG1(*request);
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    fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request);
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    fs_node_t *fn = ops->node_get(dev_handle, index);
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    ipc_callid_t callid;
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    size_t size;
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    if (!ipc_data_read_receive(&callid, &size) ||
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        size < sizeof(struct stat)) {
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        ipc_answer_0(callid, EINVAL);
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        ipc_answer_0(rid, EINVAL);
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        return;
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    }
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    struct stat *stat = malloc(sizeof(struct stat));
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    if (!stat) {
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        ipc_answer_0(callid, ENOMEM);
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        ipc_answer_0(rid, ENOMEM);
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        return;
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    }
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    memset(stat, 0, sizeof(struct stat));
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    stat->fs_handle = fs_handle;
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    stat->dev_handle = dev_handle;
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    stat->index = index;
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    stat->lnkcnt = ops->lnkcnt_get(fn);
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    stat->is_file = ops->is_file(fn);
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    stat->size = ops->size_get(fn);
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    ipc_data_read_finalize(callid, stat, sizeof(struct stat));
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    ipc_answer_0(rid, EOK);
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    free(stat);
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}
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/** Open VFS triplet.
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/** Open VFS triplet.
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 *
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 *
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 * @param ops       libfs operations structure with function pointers to
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 * @param ops       libfs operations structure with function pointers to
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 *                  file system implementation
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 *                  file system implementation
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 * @param rid       Request ID of the VFS_OUT_OPEN_NODE request.
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 * @param rid       Request ID of the VFS_OUT_OPEN_NODE request.