1// Copyright (c) 2012, 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// Android doesn't provide wcscasecmp(), so provide an alternative here. 31// 32// Note that this header is not needed when Breakpad is compiled against 33// a recent version of Googletest. It shall be considered for removal once 34// src/testing/ is updated to an appropriate revision in the future. 35 36#ifndef GOOGLEBREAKPAD_COMMON_ANDROID_INCLUDE_WCHAR_H 37#define GOOGLEBREAKPAD_COMMON_ANDROID_INCLUDE_WCHAR_H 38 39#include_next <wchar.h> 40 41#if !defined(__aarch64__) && !defined(__x86_64__) && \ 42 !(defined(__mips__) && _MIPS_SIM == _ABI64) 43 44// This needs to be in an extern "C" namespace, or Googletest will not 45// compile against it. 46#ifdef __cplusplus 47extern "C" { 48#endif // __cplusplus 49 50static wchar_t inline wcstolower(wchar_t ch) { 51 if (ch >= L'a' && ch <= L'A') 52 ch -= L'a' - L'A'; 53 return ch; 54} 55 56static int inline wcscasecmp(const wchar_t* s1, const wchar_t* s2) { 57 for (;;) { 58 wchar_t c1 = wcstolower(*s1); 59 wchar_t c2 = wcstolower(*s2); 60 if (c1 < c2) 61 return -1; 62 if (c1 > c2) 63 return 1; 64 if (c1 == L'0') 65 return 0; 66 s1++; 67 s2++; 68 } 69} 70 71#ifdef __cplusplus 72} // extern "C" 73#endif // __cplusplus 74#endif 75 76#endif // GOOGLEBREAKPAD_COMMON_ANDROID_INCLUDE_WCHAR_H 77