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57 lines
No EOL
1.6 KiB
Objective-C
57 lines
No EOL
1.6 KiB
Objective-C
/*
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* XADTarSparseHandle.h
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*
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* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#import "CSHandle.h"
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typedef struct XADTarSparseRegion
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{
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int nextRegion;
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off_t offset;
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off_t size;
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BOOL hasData;
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off_t dataOffset;
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} XADTarSparseRegion;
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@interface XADTarSparseHandle:CSHandle
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{
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XADTarSparseRegion *regions;
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int numRegions;
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int currentRegion;
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off_t currentOffset;
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off_t realFileSize;
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}
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-(id)initWithHandle:(CSHandle *)handle size:(off_t)size;
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-(id)initAsCopyOf:(XADTarSparseHandle *)other;
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-(void)dealloc;
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-(void)addSparseRegionFrom:(off_t)start length:(off_t)length;
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-(void)addFinalSparseRegionEndingAt:(off_t)regionEndsAt;
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-(void)setSingleEmptySparseRegion;
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-(off_t)fileSize;
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-(off_t)offsetInFile;
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-(BOOL)atEndOfFile;
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-(void)seekToFileOffset:(off_t)offs;
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-(void)seekToEndOfFile;
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-(int)readAtMost:(int)num toBuffer:(void *)buffer;
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@end |