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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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.
*/
/*
* Expanding byte buffer, with primitives for appending basic data types.
*/
#ifndef _DALVIK_JDWP_EXPANDBUF
#define _DALVIK_JDWP_EXPANDBUF
#include "Common.h" // need u1/u2/u4/u8 types
struct ExpandBuf; /* private */
typedef struct ExpandBuf ExpandBuf;
/* create a new struct */
ExpandBuf* expandBufAlloc(void);
/* free storage */
void expandBufFree(ExpandBuf* pBuf);
/*
* Accessors. The buffer pointer and length will only be valid until more
* data is added.
*/
u1* expandBufGetBuffer(ExpandBuf* pBuf);
size_t expandBufGetLength(ExpandBuf* pBuf);
/*
* The "add" operations allocate additional storage and append the data.
*
* There are no "get" operations included with this "class", other than
* GetBuffer(). If you want to get or set data from a position other
* than the end, get a pointer to the buffer and use the inline functions
* defined elsewhere.
*
* expandBufAddSpace() returns a pointer to the *start* of the region
* added.
*/
u1* expandBufAddSpace(ExpandBuf* pBuf, int gapSize);
void expandBufAdd1(ExpandBuf* pBuf, u1 val);
void expandBufAdd2BE(ExpandBuf* pBuf, u2 val);
void expandBufAdd4BE(ExpandBuf* pBuf, u4 val);
void expandBufAdd8BE(ExpandBuf* pBuf, u8 val);
void expandBufAddUtf8String(ExpandBuf* pBuf, const u1* str);
#endif /*_DALVIK_JDWP_EXPANDBUF*/
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