1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/binarystream.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +// Copyright (c) 2010, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +#include <arpa/inet.h>
1.34 +#include <limits.h>
1.35 +
1.36 +#include <string>
1.37 +#include <vector>
1.38 +
1.39 +#include "common/using_std_string.h"
1.40 +#include "processor/binarystream.h"
1.41 +
1.42 +namespace google_breakpad {
1.43 +using std::vector;
1.44 +
1.45 +binarystream &binarystream::operator>>(string &str) {
1.46 + uint16_t length;
1.47 + *this >> length;
1.48 + if (eof())
1.49 + return *this;
1.50 + if (length == 0) {
1.51 + str.clear();
1.52 + return *this;
1.53 + }
1.54 + vector<char> buffer(length);
1.55 + stream_.read(&buffer[0], length);
1.56 + if (!eof())
1.57 + str.assign(&buffer[0], length);
1.58 + return *this;
1.59 +}
1.60 +
1.61 +binarystream &binarystream::operator>>(uint8_t &u8) {
1.62 + stream_.read((char *)&u8, 1);
1.63 + return *this;
1.64 +}
1.65 +
1.66 +binarystream &binarystream::operator>>(uint16_t &u16) {
1.67 + uint16_t temp;
1.68 + stream_.read((char *)&temp, 2);
1.69 + if (!eof())
1.70 + u16 = ntohs(temp);
1.71 + return *this;
1.72 +}
1.73 +
1.74 +binarystream &binarystream::operator>>(uint32_t &u32) {
1.75 + uint32_t temp;
1.76 + stream_.read((char *)&temp, 4);
1.77 + if (!eof())
1.78 + u32 = ntohl(temp);
1.79 + return *this;
1.80 +}
1.81 +
1.82 +binarystream &binarystream::operator>>(uint64_t &u64) {
1.83 + uint32_t lower, upper;
1.84 + *this >> lower >> upper;
1.85 + if (!eof())
1.86 + u64 = static_cast<uint64_t>(lower) | (static_cast<uint64_t>(upper) << 32);
1.87 + return *this;
1.88 +}
1.89 +
1.90 +binarystream &binarystream::operator<<(const string &str) {
1.91 + if (str.length() > USHRT_MAX) {
1.92 + // truncate to 16-bit length
1.93 + *this << static_cast<uint16_t>(USHRT_MAX);
1.94 + stream_.write(str.c_str(), USHRT_MAX);
1.95 + } else {
1.96 + *this << (uint16_t)(str.length() & 0xFFFF);
1.97 + stream_.write(str.c_str(), str.length());
1.98 + }
1.99 + return *this;
1.100 +}
1.101 +
1.102 +binarystream &binarystream::operator<<(uint8_t u8) {
1.103 + stream_.write((const char*)&u8, 1);
1.104 + return *this;
1.105 +}
1.106 +
1.107 +binarystream &binarystream::operator<<(uint16_t u16) {
1.108 + u16 = htons(u16);
1.109 + stream_.write((const char*)&u16, 2);
1.110 + return *this;
1.111 +}
1.112 +
1.113 +binarystream &binarystream::operator<<(uint32_t u32) {
1.114 + u32 = htonl(u32);
1.115 + stream_.write((const char*)&u32, 4);
1.116 + return *this;
1.117 +}
1.118 +
1.119 +binarystream &binarystream::operator<<(uint64_t u64) {
1.120 + // write 64-bit ints as two 32-bit ints, so we can byte-swap them easily
1.121 + uint32_t lower = static_cast<uint32_t>(u64 & 0xFFFFFFFF);
1.122 + uint32_t upper = static_cast<uint32_t>(u64 >> 32);
1.123 + *this << lower << upper;
1.124 + return *this;
1.125 +}
1.126 +
1.127 +} // namespace google_breakpad
