1 /***************************************************************************** 2 * 3 * Copyright (c) 2008-2010, CoreCodec, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * * Neither the name of CoreCodec, Inc. nor the 14 * names of its contributors may be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY CoreCodec, Inc. ``AS IS'' AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL CoreCodec, Inc. BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 ****************************************************************************/ 29 30 #ifndef __BUFFER_H 31 #define __BUFFER_H 32 33 typedef struct buffer 34 { 35 uint8_t* Begin; 36 uint8_t* Write; 37 uint8_t* Read; 38 uint8_t* End; 39 40 } buffer; 41 42 NODE_DLL void BufferClear(buffer*); 43 NODE_DLL void BufferDrop(buffer*); 44 NODE_DLL bool_t BufferAlloc(buffer* p, size_t Size, size_t Align); 45 NODE_DLL uint8_t* BufferWrite(buffer*, const void* Ptr, size_t Length, size_t Align); 46 NODE_DLL const uint8_t* BufferRead(buffer*, size_t Length); 47 NODE_DLL void BufferPack(buffer*, size_t Readed); 48 49 #endif 50