1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
#define CCAN_STR_DEBUG 1 #include <ccan/str/str.h> int main(int argc, char *argv[]) { #ifdef FAIL #if !HAVE_BUILTIN_TYPES_COMPATIBLE_P || !HAVE_TYPEOF #error We need typeof to check isascii. #endif char #else unsigned char #endif c = argv[0][0]; #ifdef FAIL /* Fake fail on unsigned char platforms. */ BUILD_ASSERT((char)255 < 0); #endif return isascii(c); }