/thirdparty/breakpad/processor/binarystream.cc
http://github.com/tomahawk-player/tomahawk · C++ · 123 lines · 78 code · 15 blank · 30 comment · 9 complexity · befdeaf50dd79af8090f46ca10d5efc1 MD5 · raw file
- // Copyright (c) 2010, Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #include <arpa/inet.h>
- #include <limits.h>
- #include <vector>
- #include "processor/binarystream.h"
- namespace google_breakpad {
- using std::string;
- using std::vector;
- binarystream &binarystream::operator>>(std::string &str) {
- u_int16_t length;
- *this >> length;
- if (eof())
- return *this;
- if (length == 0) {
- str.clear();
- return *this;
- }
- vector<char> buffer(length);
- stream_.read(&buffer[0], length);
- if (!eof())
- str.assign(&buffer[0], length);
- return *this;
- }
- binarystream &binarystream::operator>>(u_int8_t &u8) {
- stream_.read((char *)&u8, 1);
- return *this;
- }
- binarystream &binarystream::operator>>(u_int16_t &u16) {
- u_int16_t temp;
- stream_.read((char *)&temp, 2);
- if (!eof())
- u16 = ntohs(temp);
- return *this;
- }
- binarystream &binarystream::operator>>(u_int32_t &u32) {
- u_int32_t temp;
- stream_.read((char *)&temp, 4);
- if (!eof())
- u32 = ntohl(temp);
- return *this;
- }
- binarystream &binarystream::operator>>(u_int64_t &u64) {
- u_int32_t lower, upper;
- *this >> lower >> upper;
- if (!eof())
- u64 = static_cast<u_int64_t>(lower) | (static_cast<u_int64_t>(upper) << 32);
- return *this;
- }
- binarystream &binarystream::operator<<(const std::string &str) {
- if (str.length() > USHRT_MAX) {
- // truncate to 16-bit length
- *this << static_cast<u_int16_t>(USHRT_MAX);
- stream_.write(str.c_str(), USHRT_MAX);
- } else {
- *this << (u_int16_t)(str.length() & 0xFFFF);
- stream_.write(str.c_str(), str.length());
- }
- return *this;
- }
- binarystream &binarystream::operator<<(u_int8_t u8) {
- stream_.write((const char*)&u8, 1);
- return *this;
- }
- binarystream &binarystream::operator<<(u_int16_t u16) {
- u16 = htons(u16);
- stream_.write((const char*)&u16, 2);
- return *this;
- }
- binarystream &binarystream::operator<<(u_int32_t u32) {
- u32 = htonl(u32);
- stream_.write((const char*)&u32, 4);
- return *this;
- }
- binarystream &binarystream::operator<<(u_int64_t u64) {
- // write 64-bit ints as two 32-bit ints, so we can byte-swap them easily
- u_int32_t lower = static_cast<u_int32_t>(u64 & 0xFFFFFFFF);
- u_int32_t upper = static_cast<u_int32_t>(u64 >> 32);
- *this << lower << upper;
- return *this;
- }
- } // namespace google_breakpad