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2645 jermar 1
/*
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 * Copyright (c) 2007 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup fs
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 * @{
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 */
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/**
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 * @file    tmpfs_ops.c
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 * @brief   Implementation of VFS operations for the TMPFS file system
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 *      server.
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 */
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#include "tmpfs.h"
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#include "../../vfs/vfs.h"
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#include <ipc/ipc.h>
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#include <async.h>
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#include <errno.h>
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#define PLB_GET_CHAR(i)     (tmpfs_reg.plb_ro[(i) % PLB_SIZE])
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/** Compare one component of path to a directory entry.
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 *
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 * @param dentry    Directory entry to compare the path component with.
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 * @param start     Index into PLB where the path component starts.
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 * @param last      Index of the last character of the path in PLB.
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 *
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 * @return      Zero on failure or delta such that (index + delta) %
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 *          PLB_SIZE points to a new path component in PLB.
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 */
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static unsigned match_path_component(tmpfs_dentry_t *dentry, unsigned start,
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    unsigned last)
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{
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    return 0;
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}
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void tmpfs_lookup(ipc_callid_t rid, ipc_call_t *request)
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{
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    int first = IPC_GET_ARG1(*request);
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    int second = IPC_GET_ARG2(*request);
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    int dev_handle = IPC_GET_ARG3(*request);
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}
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/**
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 * @}
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 */