1 #include <android/api-level.h>
2 
3 #if !__LP64__ && !defined(__arm__) || __ANDROID_API__ == 3
4 
5 // This checks that simply including <wchar.h> with
6 // _WCHAR_IS_8BIT defined will provice an 8-bit wchar_t
7 // and 8-bit WCHAR_MIN/WCHAR_MAX.
8 
9 // Force wchar_t to be 8 bits.
10 #define _WCHAR_IS_8BIT
11 #include <wchar.h>
12 
13 #define CONCAT(x,y) CONCAT_(x,y)
14 #define CONCAT_(x,y) x ## y
15 
16 #define STATIC_ASSERT(condition) \
17   static char CONCAT(dummy_,__LINE__)[1 - 2*(!(condition))];
18 
19 #if defined(__arm__) || __ANDROID_API__ < 9
20 STATIC_ASSERT(sizeof(__WCHAR_TYPE__) == 1);
21 STATIC_ASSERT(sizeof(wchar_t) == 1);
22 #else
23 STATIC_ASSERT(sizeof(__WCHAR_TYPE__) == 4);
24 STATIC_ASSERT(sizeof(wchar_t) == 4);
25 #endif
26 
27 // Since this is C code, the old behaviour was to always define
28 // these constants as signed 32 bit values.
29 STATIC_ASSERT(WCHAR_MIN == 0x80000000);
30 STATIC_ASSERT(WCHAR_MAX == 0x7fffffff);
31 
32 #endif