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_MIN/WCHAR_MAX to 32-bit values. 10 #define __STDC_LIMIT_MACROS 11 // Force wchar_t to be 8 bits. 12 #define _WCHAR_IS_8BIT 13 #include <wchar.h> 14 15 #define CONCAT(x,y) CONCAT_(x,y) 16 #define CONCAT_(x,y) x ## y 17 18 #define STATIC_ASSERT(condition) \ 19 static char CONCAT(dummy_,__LINE__)[1 - 2*(!(condition))]; 20 21 #if defined(__arm__) || __ANDROID_API__ < 9 22 STATIC_ASSERT(sizeof(__WCHAR_TYPE__) == 1); 23 #else 24 STATIC_ASSERT(sizeof(__WCHAR_TYPE__) == 4); 25 #endif 26 27 // wchar_t is never redefined by <stddef.h> because it's a C++ keyword, 28 // unlike in C. 29 STATIC_ASSERT(sizeof(wchar_t) == 4); 30 31 // This is C++ code but __STDC_LIMIT_MACROS was defined, and 32 // _WCHAR_IS_8BIT is defined, so the values are always 32-bit signed. 33 STATIC_ASSERT(WCHAR_MIN == 0x80000000); 34 STATIC_ASSERT(WCHAR_MAX == 0x7fffffff); 35 36 #endif
