| 1 | /*
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| 2 | * Copyright (c) 2007 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup fs
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /**
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| 34 | * @file tmpfs_ops.c
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| 35 | * @brief Implementation of VFS operations for the TMPFS file system
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| 36 | * server.
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| 37 | */
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| 38 |
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| 39 | #include "tmpfs.h"
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| 40 | #include "../../vfs/vfs.h"
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| 41 | #include <ipc/ipc.h>
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| 42 | #include <async.h>
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| 43 | #include <errno.h>
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| 44 |
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| 45 | #define PLB_GET_CHAR(i) (tmpfs_reg.plb_ro[(i) % PLB_SIZE])
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| 46 |
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| 47 | /** Compare one component of path to a directory entry.
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| 48 | *
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| 49 | * @param dentry Directory entry to compare the path component with.
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| 50 | * @param start Index into PLB where the path component starts.
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| 51 | * @param last Index of the last character of the path in PLB.
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| 52 | *
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| 53 | * @return Zero on failure or delta such that (index + delta) %
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| 54 | * PLB_SIZE points to a new path component in PLB.
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| 55 | */
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| 56 | static unsigned match_path_component(tmpfs_dentry_t *dentry, unsigned start,
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| 57 | unsigned last)
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| 58 | {
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| 59 | return 0;
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| 60 | }
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| 61 |
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| 62 | void tmpfs_lookup(ipc_callid_t rid, ipc_call_t *request)
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| 63 | {
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| 64 | int first = IPC_GET_ARG1(*request);
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| 65 | int second = IPC_GET_ARG2(*request);
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| 66 | int dev_handle = IPC_GET_ARG3(*request);
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| 67 |
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| 68 |
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| 69 | }
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| 70 |
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| 71 | /**
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| 72 | * @}
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| 73 | */
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