diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc b/toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc new file mode 100644 index 000000000..272800035 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/windows/string_utils.cc @@ -0,0 +1,133 @@ +// Copyright (c) 2006, 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 <cassert> +#include <vector> + +#include "common/windows/string_utils-inl.h" + +namespace google_breakpad { + +// static +wstring WindowsStringUtils::GetBaseName(const wstring &filename) { + wstring base_name(filename); + size_t slash_pos = base_name.find_last_of(L"/\\"); + if (slash_pos != wstring::npos) { + base_name.erase(0, slash_pos + 1); + } + return base_name; +} + +// static +bool WindowsStringUtils::safe_mbstowcs(const string &mbs, wstring *wcs) { + assert(wcs); + + // First, determine the length of the destination buffer. + size_t wcs_length; + +#if _MSC_VER >= 1400 // MSVC 2005/8 + errno_t err; + if ((err = mbstowcs_s(&wcs_length, NULL, 0, mbs.c_str(), _TRUNCATE)) != 0) { + return false; + } + assert(wcs_length > 0); +#else // _MSC_VER >= 1400 + if ((wcs_length = mbstowcs(NULL, mbs.c_str(), mbs.length())) == (size_t)-1) { + return false; + } + + // Leave space for the 0-terminator. + ++wcs_length; +#endif // _MSC_VER >= 1400 + + std::vector<wchar_t> wcs_v(wcs_length); + + // Now, convert. +#if _MSC_VER >= 1400 // MSVC 2005/8 + if ((err = mbstowcs_s(NULL, &wcs_v[0], wcs_length, mbs.c_str(), + _TRUNCATE)) != 0) { + return false; + } +#else // _MSC_VER >= 1400 + if (mbstowcs(&wcs_v[0], mbs.c_str(), mbs.length()) == (size_t)-1) { + return false; + } + + // Ensure presence of 0-terminator. + wcs_v[wcs_length - 1] = '\0'; +#endif // _MSC_VER >= 1400 + + *wcs = &wcs_v[0]; + return true; +} + +// static +bool WindowsStringUtils::safe_wcstombs(const wstring &wcs, string *mbs) { + assert(mbs); + + // First, determine the length of the destination buffer. + size_t mbs_length; + +#if _MSC_VER >= 1400 // MSVC 2005/8 + errno_t err; + if ((err = wcstombs_s(&mbs_length, NULL, 0, wcs.c_str(), _TRUNCATE)) != 0) { + return false; + } + assert(mbs_length > 0); +#else // _MSC_VER >= 1400 + if ((mbs_length = wcstombs(NULL, wcs.c_str(), wcs.length())) == (size_t)-1) { + return false; + } + + // Leave space for the 0-terminator. + ++mbs_length; +#endif // _MSC_VER >= 1400 + + std::vector<char> mbs_v(mbs_length); + + // Now, convert. +#if _MSC_VER >= 1400 // MSVC 2005/8 + if ((err = wcstombs_s(NULL, &mbs_v[0], mbs_length, wcs.c_str(), + _TRUNCATE)) != 0) { + return false; + } +#else // _MSC_VER >= 1400 + if (wcstombs(&mbs_v[0], wcs.c_str(), wcs.length()) == (size_t)-1) { + return false; + } + + // Ensure presence of 0-terminator. + mbs_v[mbs_length - 1] = '\0'; +#endif // _MSC_VER >= 1400 + + *mbs = &mbs_v[0]; + return true; +} + +} // namespace google_breakpad |