1 #define BITS(T) (sizeof(T) * 8)
2 #define SIGN_BIT(T) (1ULL << (BITS(T) - 1))
3 #define SMASK(T) (SIGN_BIT(T) - 1)
4 #define UMASK(T) (SIGN_BIT(T) | SMASK(T))
5
6 int test(void);
test(void)7 int test(void)
8 {
9 #define TEST_BIT(X, T) if (__ ## X ## _BIT__ != BITS(T)) return 1
10 TEST_BIT(CHAR, char);
11
12 #define TEST_MAX(X, M) if (__ ## X ## _MAX__ != M) return 1
13 #define TEST_SMAX(X, T) TEST_MAX(X, SMASK(T))
14 #define TEST_UMAX(X, T) TEST_MAX(X, UMASK(T))
15 TEST_SMAX(SCHAR, signed char);
16 TEST_SMAX(SHRT, short);
17 TEST_SMAX(INT, int);
18 TEST_SMAX(LONG, long);
19 TEST_SMAX(LONG_LONG, long long);
20 TEST_MAX( INT8, 0x7f);
21 TEST_MAX(UINT8, 0xffU);
22 TEST_MAX( INT16, 0x7fff);
23 TEST_MAX(UINT16, 0xffffU);
24 TEST_MAX( INT32, 0x7fffffff);
25 TEST_MAX(UINT32, 0xffffffffU);
26 TEST_MAX( INT64, 0x7fffffffffffffffLL);
27 TEST_MAX(UINT64, 0xffffffffffffffffULL);
28 TEST_SMAX(INTMAX, __INTMAX_TYPE__);
29 TEST_UMAX(UINTMAX, __UINTMAX_TYPE__);
30 TEST_SMAX(INTPTR, __INTPTR_TYPE__);
31 TEST_UMAX(UINTPTR, __UINTPTR_TYPE__);
32 TEST_SMAX(PTRDIFF, __PTRDIFF_TYPE__);
33 TEST_UMAX(SIZE, __SIZE_TYPE__);
34
35 #define TEST_SIZEOF(X, T) if (__SIZEOF_ ## X ## __ != sizeof(T)) return 1
36 TEST_SIZEOF(SHORT, short);
37 TEST_SIZEOF(INT, int);
38 TEST_SIZEOF(LONG, long);
39 TEST_SIZEOF(LONG_LONG, long long);
40 #ifdef __SIZEOF_INT128__
41 TEST_SIZEOF(INT128, __int128);
42 #endif
43 TEST_SIZEOF(PTRDIFF_T, __PTRDIFF_TYPE__);
44 TEST_SIZEOF(SIZE_T, __SIZE_TYPE__);
45 TEST_SIZEOF(POINTER, void*);
46 TEST_SIZEOF(FLOAT, float);
47 TEST_SIZEOF(DOUBLE, double);
48 TEST_SIZEOF(LONG_DOUBLE, long double);
49
50 return 0;
51 }
52
53 /*
54 * check-name: predefined macros: __SIZEOF_<type>__, ...
55 * check-command: test-linearize -Wno-decl $file
56 * check-output-ignore
57 *
58 * check-output-contains: ret\\..*\\$0
59 */
60