// ----------------------------------------------------------------------------// Copyright 2006-2007, Martin D. Flynn// All rights reserved// ----------------------------------------------------------------------------//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at// // http://www.apache.org/licenses/LICENSE-2.0// // Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License.//// ----------------------------------------------------------------------------#ifndef _BUFFER_H#define _BUFFER_H#ifdef __cplusplusextern "C" {#endif#include "tools/stdtypes.h"// ----------------------------------------------------------------------------typedef struct{    long                head;    long                tail;    long                size;    UInt8               buff[1]; // Len='0' is preferred, but some compiler don't allow this} CircleBuffer_t;// ----------------------------------------------------------------------------CircleBuffer_t *bufferCreate(long size);long bufferGetSize(CircleBuffer_t *cb);long bufferGetLength(CircleBuffer_t *cb);void bufferClear(CircleBuffer_t *cb);utBool bufferPutChar(CircleBuffer_t *cb, UInt8 c);int bufferGetChar(CircleBuffer_t *cb);int bufferPutData(CircleBuffer_t *cb, const void *data, int dataLen);int bufferGetData(CircleBuffer_t *cb, void *data, int dataLen);utBool bufferPutString(CircleBuffer_t *cb, const char *s);int bufferGetString(CircleBuffer_t *cb, char *d, int dlen);char *bufferCopyString(CircleBuffer_t *cb, char *d, int dlen);int bufferGetStringCount(CircleBuffer_t *cb);// ----------------------------------------------------------------------------#ifdef __cplusplus}#endif#endif