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comparison: toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc
toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:71d8165d5df2 |
|---|---|
| 1 // Copyright (c) 2006, 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 <cassert> | |
| 31 #include <vector> | |
| 32 | |
| 33 #include "common/windows/string_utils-inl.h" | |
| 34 | |
| 35 namespace google_breakpad { | |
| 36 | |
| 37 // static | |
| 38 wstring WindowsStringUtils::GetBaseName(const wstring &filename) { | |
| 39 wstring base_name(filename); | |
| 40 size_t slash_pos = base_name.find_last_of(L"/\\"); | |
| 41 if (slash_pos != wstring::npos) { | |
| 42 base_name.erase(0, slash_pos + 1); | |
| 43 } | |
| 44 return base_name; | |
| 45 } | |
| 46 | |
| 47 // static | |
| 48 bool WindowsStringUtils::safe_mbstowcs(const string &mbs, wstring *wcs) { | |
| 49 assert(wcs); | |
| 50 | |
| 51 // First, determine the length of the destination buffer. | |
| 52 size_t wcs_length; | |
| 53 | |
| 54 #if _MSC_VER >= 1400 // MSVC 2005/8 | |
| 55 errno_t err; | |
| 56 if ((err = mbstowcs_s(&wcs_length, NULL, 0, mbs.c_str(), _TRUNCATE)) != 0) { | |
| 57 return false; | |
| 58 } | |
| 59 assert(wcs_length > 0); | |
| 60 #else // _MSC_VER >= 1400 | |
| 61 if ((wcs_length = mbstowcs(NULL, mbs.c_str(), mbs.length())) < 0) { | |
| 62 return false; | |
| 63 } | |
| 64 | |
| 65 // Leave space for the 0-terminator. | |
| 66 ++wcs_length; | |
| 67 #endif // _MSC_VER >= 1400 | |
| 68 | |
| 69 std::vector<wchar_t> wcs_v(wcs_length); | |
| 70 | |
| 71 // Now, convert. | |
| 72 #if _MSC_VER >= 1400 // MSVC 2005/8 | |
| 73 if ((err = mbstowcs_s(NULL, &wcs_v[0], wcs_length, mbs.c_str(), | |
| 74 _TRUNCATE)) != 0) { | |
| 75 return false; | |
| 76 } | |
| 77 #else // _MSC_VER >= 1400 | |
| 78 if (mbstowcs(&wcs_v[0], mbs.c_str(), mbs.length()) < 0) { | |
| 79 return false; | |
| 80 } | |
| 81 | |
| 82 // Ensure presence of 0-terminator. | |
| 83 wcs_v[wcs_length - 1] = '\0'; | |
| 84 #endif // _MSC_VER >= 1400 | |
| 85 | |
| 86 *wcs = &wcs_v[0]; | |
| 87 return true; | |
| 88 } | |
| 89 | |
| 90 // static | |
| 91 bool WindowsStringUtils::safe_wcstombs(const wstring &wcs, string *mbs) { | |
| 92 assert(mbs); | |
| 93 | |
| 94 // First, determine the length of the destination buffer. | |
| 95 size_t mbs_length; | |
| 96 | |
| 97 #if _MSC_VER >= 1400 // MSVC 2005/8 | |
| 98 errno_t err; | |
| 99 if ((err = wcstombs_s(&mbs_length, NULL, 0, wcs.c_str(), _TRUNCATE)) != 0) { | |
| 100 return false; | |
| 101 } | |
| 102 assert(mbs_length > 0); | |
| 103 #else // _MSC_VER >= 1400 | |
| 104 if ((mbs_length = wcstombs(NULL, wcs.c_str(), wcs.length())) < 0) { | |
| 105 return false; | |
| 106 } | |
| 107 | |
| 108 // Leave space for the 0-terminator. | |
| 109 ++mbs_length; | |
| 110 #endif // _MSC_VER >= 1400 | |
| 111 | |
| 112 std::vector<char> mbs_v(mbs_length); | |
| 113 | |
| 114 // Now, convert. | |
| 115 #if _MSC_VER >= 1400 // MSVC 2005/8 | |
| 116 if ((err = wcstombs_s(NULL, &mbs_v[0], mbs_length, wcs.c_str(), | |
| 117 _TRUNCATE)) != 0) { | |
| 118 return false; | |
| 119 } | |
| 120 #else // _MSC_VER >= 1400 | |
| 121 if (wcstombs(&mbs_v[0], wcs.c_str(), wcs.length()) < 0) { | |
| 122 return false; | |
| 123 } | |
| 124 | |
| 125 // Ensure presence of 0-terminator. | |
| 126 mbs_v[mbs_length - 1] = '\0'; | |
| 127 #endif // _MSC_VER >= 1400 | |
| 128 | |
| 129 *mbs = &mbs_v[0]; | |
| 130 return true; | |
| 131 } | |
| 132 | |
| 133 } // namespace google_breakpad |
