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
47 extern "C" {
48 #endif // __cplusplus
49
wcstolower(wchar_t ch)50 static 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
wcscasecmp(const wchar_t * s1,const wchar_t * s2)56 static 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