1b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// Copyright (c) 2010, Google Inc. 2b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// All rights reserved. 3b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// 4b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// Redistribution and use in source and binary forms, with or without 5b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// modification, are permitted provided that the following conditions are 6b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// met: 7b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// 8b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// * Redistributions of source code must retain the above copyright 9b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// notice, this list of conditions and the following disclaimer. 10b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// * Redistributions in binary form must reproduce the above 11b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// copyright notice, this list of conditions and the following disclaimer 12b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// in the documentation and/or other materials provided with the 13b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// distribution. 14b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// * Neither the name of Google Inc. nor the names of its 15b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// contributors may be used to endorse or promote products derived from 16b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// this software without specific prior written permission. 17b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// 18b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 30b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek#include <arpa/inet.h> 31b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek#include <limits.h> 32b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 334e518a4357a2d1c379d4a91df6d4e153ee791101ivan.penkov@gmail.com#include <string> 34b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek#include <vector> 35b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 364e518a4357a2d1c379d4a91df6d4e153ee791101ivan.penkov@gmail.com#include "common/using_std_string.h" 37b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek#include "processor/binarystream.h" 38b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 39b223627d81c083a64f2ccecf2651a18111421280ted.mielczareknamespace google_breakpad { 40b223627d81c083a64f2ccecf2651a18111421280ted.mielczarekusing std::vector; 41b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 424e518a4357a2d1c379d4a91df6d4e153ee791101ivan.penkov@gmail.combinarystream &binarystream::operator>>(string &str) { 436162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com uint16_t length; 44b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek *this >> length; 45b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (eof()) 46b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 47b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (length == 0) { 48b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek str.clear(); 49b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 50b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek } 51b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek vector<char> buffer(length); 52b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.read(&buffer[0], length); 53b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (!eof()) 54b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek str.assign(&buffer[0], length); 55b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 56b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 57b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 586162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator>>(uint8_t &u8) { 59b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.read((char *)&u8, 1); 60b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 61b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 62b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 636162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator>>(uint16_t &u16) { 646162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com uint16_t temp; 65b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.read((char *)&temp, 2); 66b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (!eof()) 67b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek u16 = ntohs(temp); 68b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 69b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 70b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 716162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator>>(uint32_t &u32) { 726162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com uint32_t temp; 73b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.read((char *)&temp, 4); 74b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (!eof()) 75b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek u32 = ntohl(temp); 76b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 77b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 78b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 796162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator>>(uint64_t &u64) { 806162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com uint32_t lower, upper; 81b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek *this >> lower >> upper; 82b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (!eof()) 836162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com u64 = static_cast<uint64_t>(lower) | (static_cast<uint64_t>(upper) << 32); 84b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 85b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 86b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 874e518a4357a2d1c379d4a91df6d4e153ee791101ivan.penkov@gmail.combinarystream &binarystream::operator<<(const string &str) { 88b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek if (str.length() > USHRT_MAX) { 89b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek // truncate to 16-bit length 906162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com *this << static_cast<uint16_t>(USHRT_MAX); 91b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.write(str.c_str(), USHRT_MAX); 92b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek } else { 936162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com *this << (uint16_t)(str.length() & 0xFFFF); 94b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.write(str.c_str(), str.length()); 95b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek } 96b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 97b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 98b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 996162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator<<(uint8_t u8) { 100b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.write((const char*)&u8, 1); 101b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 102b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 103b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 1046162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator<<(uint16_t u16) { 105b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek u16 = htons(u16); 106b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.write((const char*)&u16, 2); 107b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 108b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 109b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 1106162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator<<(uint32_t u32) { 111b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek u32 = htonl(u32); 112b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek stream_.write((const char*)&u32, 4); 113b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 114b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 115b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 1166162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.combinarystream &binarystream::operator<<(uint64_t u64) { 117b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek // write 64-bit ints as two 32-bit ints, so we can byte-swap them easily 1186162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com uint32_t lower = static_cast<uint32_t>(u64 & 0xFFFFFFFF); 1196162aed3c3fcfc53373c963ac375d39a5dfa5a25ted.mielczarek@gmail.com uint32_t upper = static_cast<uint32_t>(u64 >> 32); 120b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek *this << lower << upper; 121b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek return *this; 122b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} 123b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek 124b223627d81c083a64f2ccecf2651a18111421280ted.mielczarek} // namespace google_breakpad 125