1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 /* 17 * Expanding byte buffer, with primitives for appending basic data types. 18 */ 19 #ifndef DALVIK_JDWP_EXPANDBUF_H_ 20 #define DALVIK_JDWP_EXPANDBUF_H_ 21 22 #include "Common.h" // need u1/u2/u4/u8 types 23 24 struct ExpandBuf; /* private */ 25 26 /* create a new struct */ 27 ExpandBuf* expandBufAlloc(void); 28 /* free storage */ 29 void expandBufFree(ExpandBuf* pBuf); 30 31 /* 32 * Accessors. The buffer pointer and length will only be valid until more 33 * data is added. 34 */ 35 u1* expandBufGetBuffer(ExpandBuf* pBuf); 36 size_t expandBufGetLength(ExpandBuf* pBuf); 37 38 /* 39 * The "add" operations allocate additional storage and append the data. 40 * 41 * There are no "get" operations included with this "class", other than 42 * GetBuffer(). If you want to get or set data from a position other 43 * than the end, get a pointer to the buffer and use the inline functions 44 * defined elsewhere. 45 * 46 * expandBufAddSpace() returns a pointer to the *start* of the region 47 * added. 48 */ 49 u1* expandBufAddSpace(ExpandBuf* pBuf, int gapSize); 50 void expandBufAdd1(ExpandBuf* pBuf, u1 val); 51 void expandBufAdd2BE(ExpandBuf* pBuf, u2 val); 52 void expandBufAdd4BE(ExpandBuf* pBuf, u4 val); 53 void expandBufAdd8BE(ExpandBuf* pBuf, u8 val); 54 void expandBufAddUtf8String(ExpandBuf* pBuf, const u1* str); 55 56 #endif // DALVIK_JDWP_EXPANDBUF_H_ 57