buffer.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:3k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * This program is free software ; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: buffer.h 432 2005-12-28 16:39:13Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #ifndef __BUFFER_H
- #define __BUFFER_H
- #define SAFETAIL 256
- struct stream;
- typedef struct buffer
- {
- uint8_t* Data;
- int WritePos;
- int ReadPos;
- int Allocated;
- } buffer;
- DLL void BufferClear(buffer*);
- DLL void BufferDrop(buffer*);
- DLL bool_t BufferAlloc(buffer* p, size_t Size, size_t Align);
- DLL bool_t BufferWrite(buffer*, const void* Ptr, size_t Length, size_t Align);
- DLL bool_t BufferRead(buffer*, const uint8_t** Ptr, size_t Length);
- DLL void BufferPack(buffer*, size_t Readed);
- DLL bool_t BufferStream(buffer*, struct stream*);
- typedef struct array
- {
- // these are private members
- uint8_t* _Begin;
- uint8_t* _End;
- size_t _Allocated;
- block _Block;
- } array;
- typedef int (*arraycmp)(const void* a,const void* b);
- DLL void ArrayClear(array*);
- DLL void ArrayDrop(array*);
- DLL int ArrayFind(const array* p, int Count, size_t Width, const void* Data, arraycmp Cmp, bool_t* Found);
- DLL bool_t ArrayAlloc(array* p,size_t Total,size_t Align);
- DLL bool_t ArrayAppend(array* p, const void* Ptr, size_t Length, size_t Align);
- DLL bool_t ArrayAdd(array* p, int Count, size_t Width, const void* Data, arraycmp Cmp,size_t Align);
- DLL bool_t ArrayRemove(array* p, int Count, size_t Width, const void* Data, arraycmp Cmp);
- DLL void ArraySort(array* p, int Count, size_t Width, arraycmp Cmp);
- DLL void ArrayLock(array*);
- DLL bool_t ArrayUnlock(array*,size_t Align);
- #define ARRAYEMPTY(Array) ((Array)._Begin==(Array)._End)
- #define ARRAYBEGIN(Array,Type) ((Type*)((Array)._Begin))
- #define ARRAYEND(Array,Type) ((Type*)((Array)._End))
- #define ARRAYCOUNT(Array,Type) ((int)(ARRAYEND(Array,Type)-ARRAYBEGIN(Array,Type)))
- #define ARRAYALLOCATED(Array,Type) ((int)((Array)._Allocated/sizeof(Type)))
- #endif