ref: fa29f36fe713a4bbdfca6770ebb3867436c1ac18
dir: /cmd/cc/intlit.test.c/
/* integer constant type test
* reference: C standard 6.4.4.1
* not really compliant lol
* ori & Amavect
*/
#include <u.h>
#include <libc.h>
void
main(void)
{
print("%ullX ", 0xFF66554433221100); /* uvlong */
print("%llX ", 0x0000000180000000); /* vlong */
print("\n");
print("%X ", 0x7FFFFFFF); /* int */
print("%uX ", 0x80000000); /* uint */
print("%uX ", 0xFFFFFFFF); /* uint */
print("%llX ", 0x100000000); /* vlong */
print("\n");
/* vlong (C standard)
* if it parses as uint, it's technically wrong to the standard
* even though it works just fine
* ideally, - is part of an integer constant,
* but that's just not in the standard.
*/
print("%lld ", -2147483648);
print("%d", -0x80000000); /* uint, no warning for int format */
print("\n");
print("%llX ", 0x7FFFFFFFFFFFFFFF); /* vlong */
print("%ullX ", 0x8000000000000000); /* uvlong */
print("%ullX ", 0xFFFFFFFFFFFFFFFF); /* uvlong */
print("%ullX", ~1ULL); /* uvlong */
print("\n");
/* uvlong (C standard)
* C standard specifies an extended integer type
* uvlong is our extended vlong :)
*/
print("%lld ", -9223372036854775808); /* no warning for vlong format */
print("%lld", -0x8000000000000000); /* uvlong, no warning for vlong format */
print("\n");
}