michael@0: // Copyright (c) 2006, Google Inc.
michael@0: // All rights reserved.
michael@0: //
michael@0: // Redistribution and use in source and binary forms, with or without
michael@0: // modification, are permitted provided that the following conditions are
michael@0: // met:
michael@0: //
michael@0: //     * Redistributions of source code must retain the above copyright
michael@0: // notice, this list of conditions and the following disclaimer.
michael@0: //     * Redistributions in binary form must reproduce the above
michael@0: // copyright notice, this list of conditions and the following disclaimer
michael@0: // in the documentation and/or other materials provided with the
michael@0: // distribution.
michael@0: //     * Neither the name of Google Inc. nor the names of its
michael@0: // contributors may be used to endorse or promote products derived from
michael@0: // this software without specific prior written permission.
michael@0: //
michael@0: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: 
michael@0: #include <cassert>
michael@0: #include <vector>
michael@0: 
michael@0: #include "common/windows/string_utils-inl.h"
michael@0: 
michael@0: namespace google_breakpad {
michael@0: 
michael@0: // static
michael@0: wstring WindowsStringUtils::GetBaseName(const wstring &filename) {
michael@0:   wstring base_name(filename);
michael@0:   size_t slash_pos = base_name.find_last_of(L"/\\");
michael@0:   if (slash_pos != wstring::npos) {
michael@0:     base_name.erase(0, slash_pos + 1);
michael@0:   }
michael@0:   return base_name;
michael@0: }
michael@0: 
michael@0: // static
michael@0: bool WindowsStringUtils::safe_mbstowcs(const string &mbs, wstring *wcs) {
michael@0:   assert(wcs);
michael@0: 
michael@0:   // First, determine the length of the destination buffer.
michael@0:   size_t wcs_length;
michael@0: 
michael@0: #if _MSC_VER >= 1400  // MSVC 2005/8
michael@0:   errno_t err;
michael@0:   if ((err = mbstowcs_s(&wcs_length, NULL, 0, mbs.c_str(), _TRUNCATE)) != 0) {
michael@0:     return false;
michael@0:   }
michael@0:   assert(wcs_length > 0);
michael@0: #else  // _MSC_VER >= 1400
michael@0:   if ((wcs_length = mbstowcs(NULL, mbs.c_str(), mbs.length())) < 0) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Leave space for the 0-terminator.
michael@0:   ++wcs_length;
michael@0: #endif  // _MSC_VER >= 1400
michael@0: 
michael@0:   std::vector<wchar_t> wcs_v(wcs_length);
michael@0: 
michael@0:   // Now, convert.
michael@0: #if _MSC_VER >= 1400  // MSVC 2005/8
michael@0:   if ((err = mbstowcs_s(NULL, &wcs_v[0], wcs_length, mbs.c_str(),
michael@0:                         _TRUNCATE)) != 0) {
michael@0:     return false;
michael@0:   }
michael@0: #else  // _MSC_VER >= 1400
michael@0:   if (mbstowcs(&wcs_v[0], mbs.c_str(), mbs.length()) < 0) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Ensure presence of 0-terminator.
michael@0:   wcs_v[wcs_length - 1] = '\0';
michael@0: #endif  // _MSC_VER >= 1400
michael@0: 
michael@0:   *wcs = &wcs_v[0];
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: // static
michael@0: bool WindowsStringUtils::safe_wcstombs(const wstring &wcs, string *mbs) {
michael@0:   assert(mbs);
michael@0: 
michael@0:   // First, determine the length of the destination buffer.
michael@0:   size_t mbs_length;
michael@0: 
michael@0: #if _MSC_VER >= 1400  // MSVC 2005/8
michael@0:   errno_t err;
michael@0:   if ((err = wcstombs_s(&mbs_length, NULL, 0, wcs.c_str(), _TRUNCATE)) != 0) {
michael@0:     return false;
michael@0:   }
michael@0:   assert(mbs_length > 0);
michael@0: #else  // _MSC_VER >= 1400
michael@0:   if ((mbs_length = wcstombs(NULL, wcs.c_str(), wcs.length())) < 0) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Leave space for the 0-terminator.
michael@0:   ++mbs_length;
michael@0: #endif  // _MSC_VER >= 1400
michael@0: 
michael@0:   std::vector<char> mbs_v(mbs_length);
michael@0: 
michael@0:   // Now, convert.
michael@0: #if _MSC_VER >= 1400  // MSVC 2005/8
michael@0:   if ((err = wcstombs_s(NULL, &mbs_v[0], mbs_length, wcs.c_str(),
michael@0:                         _TRUNCATE)) != 0) {
michael@0:     return false;
michael@0:   }
michael@0: #else  // _MSC_VER >= 1400
michael@0:   if (wcstombs(&mbs_v[0], wcs.c_str(), wcs.length()) < 0) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Ensure presence of 0-terminator.
michael@0:   mbs_v[mbs_length - 1] = '\0';
michael@0: #endif  // _MSC_VER >= 1400
michael@0: 
michael@0:   *mbs = &mbs_v[0];
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: }  // namespace google_breakpad