/* HEADER Testing strtoull(). */

#ifdef HAVE_STRTOULL

OK(1, "Skipping strtoull() test because using strtoull() from C library.\n");

#else

/*

 * UINT64_C: C99 macro for the suffix for uint64_t constants. 

 */

#ifndef UINT64_C

#ifdef _MSC_VER

#define UINT64_C(c) c##ui64

#else

#define UINT64_C(c) c##ULL

#endif

#endif

/*

 * According to the C99 standard, the constant ULLONG_MAX must be defined in

 * <limits.h>. Define it here for pre-C99 compilers.

 */

#ifndef ULLONG_MAX

#define ULLONG_MAX UINT64_C(0xffffffffffffffff)

#endif

#ifndef PRIu64

#ifdef _MSC_VER

#define PRIu64 "I64u"

#else

#define PRIu64 "llu"

#endif

#endif

struct strtoull_testcase {

    /*

     * inputs 

     */

    const char     *nptr;

    int             base;

    /*

     * expected outputs 

     */

    int             expected_errno;

    int             expected_end;

    uint64_t        expected_result;

};

static const struct strtoull_testcase test_input[] = {

    {"0x0", 0, 0, 3, 0},

    {"1", 0, 0, 1, 1},

    {"0x1", 0, 0, 3, 1},

    {"  -0666", 0, 0, 7, -0666},

    {"  -0x666", 0, 0, 8, -0x666},

    {"18446744073709551614", 0, 0, 20, UINT64_C(0xfffffffffffffffe)},

    {"0xfffffffffffffffe", 0, 0, 18, UINT64_C(0xfffffffffffffffe)},

    {"18446744073709551615", 0, 0, 20, UINT64_C(0xffffffffffffffff)},

    {"0xffffffffffffffff", 0, 0, 18, UINT64_C(0xffffffffffffffff)},

    {"18446744073709551616", 0, ERANGE, 20, UINT64_C(0xffffffffffffffff)},

    {"0x10000000000000000", 0, ERANGE, 19, UINT64_C(0xffffffffffffffff)},

    {"ff", 16, 0, 2, 255},

    {"0xff", 16, 0, 4, 255},

    {" ", 0, 0, 0, 0},

    {"0x", 0, 0, 1, 0},

    {"0x", 8, 0, 1, 0},

    {"0x", 16, 0, 1, 0},

    {"zyyy", 0, 0, 0, 0},

    {"0xfffffffffffffffff", 0, ERANGE, 19, ULLONG_MAX},

    {"0xfffffffffffffffffz", 0, ERANGE, 19, ULLONG_MAX}

};

unsigned int    i;

for (i = 0; i < sizeof(test_input) / sizeof(test_input[0]); i++) {

    const struct strtoull_testcase *const p = &test_input[i];

    char           *endptr;

    uint64_t        result;

    errno = 0;

    result = strtoull(p->nptr, &endptr, p->base);

    OKF(errno == p->expected_errno,

        ("test %d (input \"%s\"): expected errno %d, got errno %d",

         i, p->nptr, p->expected_errno, errno));

    OKF(result == p->expected_result,

        ("test %d (input \"%s\"): expected result %" PRIu64

         ", got result %" PRIu64,

         i, p->nptr, p->expected_result, result));

    OKF(endptr - p->nptr == p->expected_end,

        ("test %d (input \"%s\"): expected end %d, got end %d",

         i, p->nptr, p->expected_end, (int) (endptr - p->nptr)));

}

#endif