QemuK210/roms/skiboot/ccan/str/test/compile_fail-islower.c

23 lines
369 B
C
Raw Normal View History

2021-05-10 20:01:02 +08:00
#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 islower.
#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 islower(c);
}