79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/*----------------------------------------------------------------------------
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* Copyright (c) @CompanyNameMagicTag 2021. All rights reserved.
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*---------------------------------------------------------------------------*/
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#ifndef _DCACHE_DENTRY_H
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#define _DCACHE_DENTRY_H
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#include "hash.h"
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#include "fcntl.h"
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#include "time.h"
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#include "sys/stat.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#define DENTRY_SHORT_NAME_LEN 32
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enum DentryTime {
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ATIME = 1 << 0,
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MTIME = 1 << 1,
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CTIME = 1 << 2
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};
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typedef struct LosDentry {
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union {
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struct LosDentry *parent;
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HashTable *table; /* Root dentry need not parent */
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};
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/* inode struct */
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char *autoName;
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char name[DENTRY_SHORT_NAME_LEN];
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mode_t mode; /* Access mode flags */
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loff_t size;
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unsigned long blkSize;
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struct timespec atime;
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struct timespec mtime;
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struct timespec ctime;
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} LosDentry;
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#define HASH_TABLE_FLAG 0x1
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#define DENTRY_ENTRY_SHIFT 10 /* 1024 dentries */
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#define DENTRY_TABLE_SHIFT 8 /* 256 hash entries */
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#define HASH_ROOT_PARENT_DENTRY(dentry) ((UINTPTR)(dentry) & HASH_TABLE_FLAG)
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#define HASH_TABLE_GET(dentry) (HashTable *)((UINTPTR)(dentry) & (~HASH_TABLE_FLAG))
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _DCACHE_DENTRY_H */
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