78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
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/*****************************************************************************
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*
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* This program is free software ; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: buffer.h 432 2005-12-28 16:39:13Z picard $
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*
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* The Core Pocket Media Player
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* Copyright (c) 2004-2005 Gabor Kovacs
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*
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****************************************************************************/
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#ifndef __BUFFER_H
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#define __BUFFER_H
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#define SAFETAIL 256
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struct stream;
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typedef struct buffer
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{
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uint8_t* Data;
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int WritePos;
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int ReadPos;
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int Allocated;
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} buffer;
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DLL void BufferClear(buffer*);
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DLL void BufferDrop(buffer*);
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DLL bool_t BufferAlloc(buffer* p, size_t Size, size_t Align);
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DLL bool_t BufferWrite(buffer*, const void* Ptr, size_t Length, size_t Align);
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DLL bool_t BufferRead(buffer*, const uint8_t** Ptr, size_t Length);
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DLL void BufferPack(buffer*, size_t Readed);
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DLL bool_t BufferStream(buffer*, struct stream*);
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typedef struct array
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{
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// these are private members
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uint8_t* _Begin;
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uint8_t* _End;
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size_t _Allocated;
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block _Block;
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} array;
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typedef int (*arraycmp)(const void* a,const void* b);
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DLL void ArrayClear(array*);
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DLL void ArrayDrop(array*);
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DLL int ArrayFind(const array* p, int Count, size_t Width, const void* Data, arraycmp Cmp, bool_t* Found);
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DLL bool_t ArrayAlloc(array* p,size_t Total,size_t Align);
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DLL bool_t ArrayAppend(array* p, const void* Ptr, size_t Length, size_t Align);
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DLL bool_t ArrayAdd(array* p, int Count, size_t Width, const void* Data, arraycmp Cmp,size_t Align);
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DLL bool_t ArrayRemove(array* p, int Count, size_t Width, const void* Data, arraycmp Cmp);
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DLL void ArraySort(array* p, int Count, size_t Width, arraycmp Cmp);
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DLL void ArrayLock(array*);
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DLL bool_t ArrayUnlock(array*,size_t Align);
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#define ARRAYEMPTY(Array) ((Array)._Begin==(Array)._End)
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#define ARRAYBEGIN(Array,Type) ((Type*)((Array)._Begin))
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#define ARRAYEND(Array,Type) ((Type*)((Array)._End))
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#define ARRAYCOUNT(Array,Type) ((int)(ARRAYEND(Array,Type)-ARRAYBEGIN(Array,Type)))
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#define ARRAYALLOCATED(Array,Type) ((int)((Array)._Allocated/sizeof(Type)))
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#endif
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