2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * Expanding byte buffer, with primitives for appending basic data types.
19 #ifndef _DALVIK_JDWP_EXPANDBUF
20 #define _DALVIK_JDWP_EXPANDBUF
22 #include "Common.h" // need u1/u2/u4/u8 types
24 struct ExpandBuf; /* private */
25 typedef struct ExpandBuf ExpandBuf;
27 /* create a new struct */
28 ExpandBuf* expandBufAlloc(void);
30 void expandBufFree(ExpandBuf* pBuf);
33 * Accessors. The buffer pointer and length will only be valid until more
36 u1* expandBufGetBuffer(ExpandBuf* pBuf);
37 size_t expandBufGetLength(ExpandBuf* pBuf);
40 * The "add" operations allocate additional storage and append the data.
42 * There are no "get" operations included with this "class", other than
43 * GetBuffer(). If you want to get or set data from a position other
44 * than the end, get a pointer to the buffer and use the inline functions
47 * expandBufAddSpace() returns a pointer to the *start* of the region
50 u1* expandBufAddSpace(ExpandBuf* pBuf, int gapSize);
51 void expandBufAdd1(ExpandBuf* pBuf, u1 val);
52 void expandBufAdd2BE(ExpandBuf* pBuf, u2 val);
53 void expandBufAdd4BE(ExpandBuf* pBuf, u4 val);
54 void expandBufAdd8BE(ExpandBuf* pBuf, u8 val);
55 void expandBufAddUtf8String(ExpandBuf* pBuf, const u1* str);
57 #endif /*_DALVIK_JDWP_EXPANDBUF*/