toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc@6474c204b198 (annotated)
toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2006, Google Inc. |
| michael@0 | 2 | // All rights reserved. |
| michael@0 | 3 | // |
| michael@0 | 4 | // Redistribution and use in source and binary forms, with or without |
| michael@0 | 5 | // modification, are permitted provided that the following conditions are |
| michael@0 | 6 | // met: |
| michael@0 | 7 | // |
| michael@0 | 8 | // * Redistributions of source code must retain the above copyright |
| michael@0 | 9 | // notice, this list of conditions and the following disclaimer. |
| michael@0 | 10 | // * Redistributions in binary form must reproduce the above |
| michael@0 | 11 | // copyright notice, this list of conditions and the following disclaimer |
| michael@0 | 12 | // in the documentation and/or other materials provided with the |
| michael@0 | 13 | // distribution. |
| michael@0 | 14 | // * Neither the name of Google Inc. nor the names of its |
| michael@0 | 15 | // contributors may be used to endorse or promote products derived from |
| michael@0 | 16 | // this software without specific prior written permission. |
| michael@0 | 17 | // |
| michael@0 | 18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| michael@0 | 19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| michael@0 | 20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| michael@0 | 21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| michael@0 | 22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| michael@0 | 23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| michael@0 | 24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| michael@0 | 25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| michael@0 | 26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| michael@0 | 27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| michael@0 | 28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 29 | |
| michael@0 | 30 | #include <cassert> |
| michael@0 | 31 | #include <vector> |
| michael@0 | 32 | |
| michael@0 | 33 | #include "common/windows/string_utils-inl.h" |
| michael@0 | 34 | |
| michael@0 | 35 | namespace google_breakpad { |
| michael@0 | 36 | |
| michael@0 | 37 | // static |
| michael@0 | 38 | wstring WindowsStringUtils::GetBaseName(const wstring &filename) { |
| michael@0 | 39 | wstring base_name(filename); |
| michael@0 | 40 | size_t slash_pos = base_name.find_last_of(L"/\\"); |
| michael@0 | 41 | if (slash_pos != wstring::npos) { |
| michael@0 | 42 | base_name.erase(0, slash_pos + 1); |
| michael@0 | 43 | } |
| michael@0 | 44 | return base_name; |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | // static |
| michael@0 | 48 | bool WindowsStringUtils::safe_mbstowcs(const string &mbs, wstring *wcs) { |
| michael@0 | 49 | assert(wcs); |
| michael@0 | 50 | |
| michael@0 | 51 | // First, determine the length of the destination buffer. |
| michael@0 | 52 | size_t wcs_length; |
| michael@0 | 53 | |
| michael@0 | 54 | #if _MSC_VER >= 1400 // MSVC 2005/8 |
| michael@0 | 55 | errno_t err; |
| michael@0 | 56 | if ((err = mbstowcs_s(&wcs_length, NULL, 0, mbs.c_str(), _TRUNCATE)) != 0) { |
| michael@0 | 57 | return false; |
| michael@0 | 58 | } |
| michael@0 | 59 | assert(wcs_length > 0); |
| michael@0 | 60 | #else // _MSC_VER >= 1400 |
| michael@0 | 61 | if ((wcs_length = mbstowcs(NULL, mbs.c_str(), mbs.length())) < 0) { |
| michael@0 | 62 | return false; |
| michael@0 | 63 | } |
| michael@0 | 64 | |
| michael@0 | 65 | // Leave space for the 0-terminator. |
| michael@0 | 66 | ++wcs_length; |
| michael@0 | 67 | #endif // _MSC_VER >= 1400 |
| michael@0 | 68 | |
| michael@0 | 69 | std::vector<wchar_t> wcs_v(wcs_length); |
| michael@0 | 70 | |
| michael@0 | 71 | // Now, convert. |
| michael@0 | 72 | #if _MSC_VER >= 1400 // MSVC 2005/8 |
| michael@0 | 73 | if ((err = mbstowcs_s(NULL, &wcs_v[0], wcs_length, mbs.c_str(), |
| michael@0 | 74 | _TRUNCATE)) != 0) { |
| michael@0 | 75 | return false; |
| michael@0 | 76 | } |
| michael@0 | 77 | #else // _MSC_VER >= 1400 |
| michael@0 | 78 | if (mbstowcs(&wcs_v[0], mbs.c_str(), mbs.length()) < 0) { |
| michael@0 | 79 | return false; |
| michael@0 | 80 | } |
| michael@0 | 81 | |
| michael@0 | 82 | // Ensure presence of 0-terminator. |
| michael@0 | 83 | wcs_v[wcs_length - 1] = '\0'; |
| michael@0 | 84 | #endif // _MSC_VER >= 1400 |
| michael@0 | 85 | |
| michael@0 | 86 | *wcs = &wcs_v[0]; |
| michael@0 | 87 | return true; |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | // static |
| michael@0 | 91 | bool WindowsStringUtils::safe_wcstombs(const wstring &wcs, string *mbs) { |
| michael@0 | 92 | assert(mbs); |
| michael@0 | 93 | |
| michael@0 | 94 | // First, determine the length of the destination buffer. |
| michael@0 | 95 | size_t mbs_length; |
| michael@0 | 96 | |
| michael@0 | 97 | #if _MSC_VER >= 1400 // MSVC 2005/8 |
| michael@0 | 98 | errno_t err; |
| michael@0 | 99 | if ((err = wcstombs_s(&mbs_length, NULL, 0, wcs.c_str(), _TRUNCATE)) != 0) { |
| michael@0 | 100 | return false; |
| michael@0 | 101 | } |
| michael@0 | 102 | assert(mbs_length > 0); |
| michael@0 | 103 | #else // _MSC_VER >= 1400 |
| michael@0 | 104 | if ((mbs_length = wcstombs(NULL, wcs.c_str(), wcs.length())) < 0) { |
| michael@0 | 105 | return false; |
| michael@0 | 106 | } |
| michael@0 | 107 | |
| michael@0 | 108 | // Leave space for the 0-terminator. |
| michael@0 | 109 | ++mbs_length; |
| michael@0 | 110 | #endif // _MSC_VER >= 1400 |
| michael@0 | 111 | |
| michael@0 | 112 | std::vector<char> mbs_v(mbs_length); |
| michael@0 | 113 | |
| michael@0 | 114 | // Now, convert. |
| michael@0 | 115 | #if _MSC_VER >= 1400 // MSVC 2005/8 |
| michael@0 | 116 | if ((err = wcstombs_s(NULL, &mbs_v[0], mbs_length, wcs.c_str(), |
| michael@0 | 117 | _TRUNCATE)) != 0) { |
| michael@0 | 118 | return false; |
| michael@0 | 119 | } |
| michael@0 | 120 | #else // _MSC_VER >= 1400 |
| michael@0 | 121 | if (wcstombs(&mbs_v[0], wcs.c_str(), wcs.length()) < 0) { |
| michael@0 | 122 | return false; |
| michael@0 | 123 | } |
| michael@0 | 124 | |
| michael@0 | 125 | // Ensure presence of 0-terminator. |
| michael@0 | 126 | mbs_v[mbs_length - 1] = '\0'; |
| michael@0 | 127 | #endif // _MSC_VER >= 1400 |
| michael@0 | 128 | |
| michael@0 | 129 | *mbs = &mbs_v[0]; |
| michael@0 | 130 | return true; |
| michael@0 | 131 | } |
| michael@0 | 132 | |
| michael@0 | 133 | } // namespace google_breakpad |
