#include <ccan/cast/cast.h>
#include <stdlib.h>
+/* Note: this *isn't* sizeof(char) on all platforms. */
+struct char_struct {
+ char c;
+};
+
int main(int argc, char *argv[])
{
char *uc;
- const
+ const
#ifdef FAIL
- int
+ struct char_struct
#else
char
#endif
*p = NULL;
uc = cast_const(char *, p);
+ (void) uc; /* Suppress unused-but-set-variable warning. */
return 0;
}
+
+#ifdef FAIL
+#if !HAVE_TYPEOF||!HAVE_BUILTIN_CHOOSE_EXPR||!HAVE_BUILTIN_TYPES_COMPATIBLE_P
+#error "Unfortunately we don't fail if cast_const can only use size"
+#endif
+#endif