michael@0: // Copyright (c) 2012, 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: // Android doesn't provide wcscasecmp(), so provide an alternative here.
michael@0: //
michael@0: // Note that this header is not needed when Breakpad is compiled against
michael@0: // a recent version of Googletest. It shall be considered for removal once
michael@0: // src/testing/ is updated to an appropriate revision in the future.
michael@0: 
michael@0: #ifndef GOOGLEBREAKPAD_COMMON_ANDROID_INCLUDE_WCHAR_H
michael@0: #define GOOGLEBREAKPAD_COMMON_ANDROID_INCLUDE_WCHAR_H
michael@0: 
michael@0: #include_next <wchar.h>
michael@0: 
michael@0: // This needs to be in an extern "C" namespace, or Googletest will not
michael@0: // compile against it.
michael@0: #ifdef __cplusplus
michael@0: extern "C" {
michael@0: #endif  // __cplusplus
michael@0: 
michael@0: static wchar_t inline wcstolower(wchar_t ch) {
michael@0:   if (ch >= L'a' && ch <= L'A')
michael@0:     ch -= L'a' - L'A';
michael@0:   return ch;
michael@0: }
michael@0: 
michael@0: static int inline wcscasecmp(const wchar_t* s1, const wchar_t* s2) {
michael@0:   for (;;) {
michael@0:     wchar_t c1 = wcstolower(*s1);
michael@0:     wchar_t c2 = wcstolower(*s2);
michael@0:     if (c1 < c2)
michael@0:       return -1;
michael@0:     if (c1 > c2)
michael@0:       return 1;
michael@0:     if (c1 == L'0')
michael@0:       return 0;
michael@0:     s1++;
michael@0:     s2++;
michael@0:   }
michael@0: }
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: }  // extern "C"
michael@0: #endif  // __cplusplus
michael@0: 
michael@0: #endif  // GOOGLEBREAKPAD_COMMON_ANDROID_INCLUDE_WCHAR_H