1 // This checks that simply including <wchar.h> with 2 // _WCHAR_IS_8BIT defined will provice an 8-bit wchar_t 3 // and 8-bit WCHAR_MIN/WCHAR_MAX. 4 #include <android/api-level.h> 5 6 // Force WCHAR_MIN/WCHAR_MAX to 32-bit values. 7 #define __STDC_LIMIT_MACROS 8 // Force wchar_t to be 8 bits. 9 #define _WCHAR_IS_8BIT 10 #include <wchar.h> 11 12 #if defined(__arm__) && __ANDROID_API__ != 3 13 #error "You should target API level 3 when compiling this file!" 14 #endif 15 16 #define CONCAT(x,y) CONCAT_(x,y) 17 #define CONCAT_(x,y) x ## y 18 19 #define STATIC_ASSERT(condition) \ 20 static char CONCAT(dummy_,__LINE__)[1 - 2*(!(condition))]; 21 22 #ifdef __arm__ 23 STATIC_ASSERT(sizeof(__WCHAR_TYPE__) == 1); 24 #else 25 STATIC_ASSERT(sizeof(__WCHAR_TYPE__) == 4); 26 #endif 27 28 // wchar_t is never redefined by <stddef.h> because it's a C++ keyword, 29 // unlike in C. 30 STATIC_ASSERT(sizeof(wchar_t) == 4); 31 32 // This is C++ code but __STDC_LIMIT_MACROS was defined, and 33 // _WCHAR_IS_8BIT is defined, so the values are always 32-bit signed. 34 STATIC_ASSERT(WCHAR_MIN == 0x80000000); 35 STATIC_ASSERT(WCHAR_MAX == 0x7fffffff); 36
