1 // This checks that, by default, wchar_t is 32-bit and 2 // WCHAR_MIN/WCHAR_MAX are 32-bit signed on all platforms except ARM. 3 #include <android/api-level.h> 4 #include <wchar.h> 5 6 #if defined(__arm__) && __ANDROID_API__ != 3 7 #error "You should target API level 3 when compiling this file!" 8 #endif 9 10 #define CONCAT(x,y) CONCAT_(x,y) 11 #define CONCAT_(x,y) x ## y 12 13 #define STATIC_ASSERT(condition) \ 14 static char CONCAT(dummy_,__LINE__)[1 - 2*(!(condition))]; 15 16 STATIC_ASSERT(sizeof(wchar_t) == 4); 17 18 #ifdef __arm__ 19 STATIC_ASSERT(WCHAR_MIN == 0U); 20 STATIC_ASSERT(WCHAR_MAX == 2*2147483647U + 1U); 21 #else 22 STATIC_ASSERT(WCHAR_MIN == -1-2147483647); 23 STATIC_ASSERT(WCHAR_MAX == 2147483647); 24 #endif 25
