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comparison: toolkit/crashreporter/google-breakpad/src/processor/binarystream.cc
toolkit/crashreporter/google-breakpad/src/processor/binarystream.cc
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:828c0a1e6931 |
|---|---|
| 1 // Copyright (c) 2010, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 #include <arpa/inet.h> | |
| 31 #include <limits.h> | |
| 32 | |
| 33 #include <string> | |
| 34 #include <vector> | |
| 35 | |
| 36 #include "common/using_std_string.h" | |
| 37 #include "processor/binarystream.h" | |
| 38 | |
| 39 namespace google_breakpad { | |
| 40 using std::vector; | |
| 41 | |
| 42 binarystream &binarystream::operator>>(string &str) { | |
| 43 uint16_t length; | |
| 44 *this >> length; | |
| 45 if (eof()) | |
| 46 return *this; | |
| 47 if (length == 0) { | |
| 48 str.clear(); | |
| 49 return *this; | |
| 50 } | |
| 51 vector<char> buffer(length); | |
| 52 stream_.read(&buffer[0], length); | |
| 53 if (!eof()) | |
| 54 str.assign(&buffer[0], length); | |
| 55 return *this; | |
| 56 } | |
| 57 | |
| 58 binarystream &binarystream::operator>>(uint8_t &u8) { | |
| 59 stream_.read((char *)&u8, 1); | |
| 60 return *this; | |
| 61 } | |
| 62 | |
| 63 binarystream &binarystream::operator>>(uint16_t &u16) { | |
| 64 uint16_t temp; | |
| 65 stream_.read((char *)&temp, 2); | |
| 66 if (!eof()) | |
| 67 u16 = ntohs(temp); | |
| 68 return *this; | |
| 69 } | |
| 70 | |
| 71 binarystream &binarystream::operator>>(uint32_t &u32) { | |
| 72 uint32_t temp; | |
| 73 stream_.read((char *)&temp, 4); | |
| 74 if (!eof()) | |
| 75 u32 = ntohl(temp); | |
| 76 return *this; | |
| 77 } | |
| 78 | |
| 79 binarystream &binarystream::operator>>(uint64_t &u64) { | |
| 80 uint32_t lower, upper; | |
| 81 *this >> lower >> upper; | |
| 82 if (!eof()) | |
| 83 u64 = static_cast<uint64_t>(lower) | (static_cast<uint64_t>(upper) << 32); | |
| 84 return *this; | |
| 85 } | |
| 86 | |
| 87 binarystream &binarystream::operator<<(const string &str) { | |
| 88 if (str.length() > USHRT_MAX) { | |
| 89 // truncate to 16-bit length | |
| 90 *this << static_cast<uint16_t>(USHRT_MAX); | |
| 91 stream_.write(str.c_str(), USHRT_MAX); | |
| 92 } else { | |
| 93 *this << (uint16_t)(str.length() & 0xFFFF); | |
| 94 stream_.write(str.c_str(), str.length()); | |
| 95 } | |
| 96 return *this; | |
| 97 } | |
| 98 | |
| 99 binarystream &binarystream::operator<<(uint8_t u8) { | |
| 100 stream_.write((const char*)&u8, 1); | |
| 101 return *this; | |
| 102 } | |
| 103 | |
| 104 binarystream &binarystream::operator<<(uint16_t u16) { | |
| 105 u16 = htons(u16); | |
| 106 stream_.write((const char*)&u16, 2); | |
| 107 return *this; | |
| 108 } | |
| 109 | |
| 110 binarystream &binarystream::operator<<(uint32_t u32) { | |
| 111 u32 = htonl(u32); | |
| 112 stream_.write((const char*)&u32, 4); | |
| 113 return *this; | |
| 114 } | |
| 115 | |
| 116 binarystream &binarystream::operator<<(uint64_t u64) { | |
| 117 // write 64-bit ints as two 32-bit ints, so we can byte-swap them easily | |
| 118 uint32_t lower = static_cast<uint32_t>(u64 & 0xFFFFFFFF); | |
| 119 uint32_t upper = static_cast<uint32_t>(u64 >> 32); | |
| 120 *this << lower << upper; | |
| 121 return *this; | |
| 122 } | |
| 123 | |
| 124 } // namespace google_breakpad |
