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Leb128.h
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Leb128.h
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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.
*/
/*
* Functions for interpreting LEB128 (little endian base 128) values
*/
#ifndef _LIBDEX_LEB128
#define _LIBDEX_LEB128
#include "DexFile.h"
/*
* Reads an unsigned LEB128 value, updating the given pointer to point
* just past the end of the read value. This function tolerates
* non-zero high-order bits in the fifth encoded byte.
*/
unsigned int readUnsignedLeb128(const unsigned char **pStream);
/*
* Reads a signed LEB128 value, updating the given pointer to point
* just past the end of the read value. This function tolerates
* non-zero high-order bits in the fifth encoded byte.
*/
int readSignedLeb128(const unsigned char **pStream);
/*
* Writes a 32-bit value in unsigned ULEB128 format.
*
* Returns the updated pointer.
*/
unsigned char *writeUnsignedLeb128(unsigned char *ptr, u4 data);
/*
* Returns the number of bytes needed to encode "val" in ULEB128 form.
*/
int unsignedLeb128Size(u4 data);
#endif