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#include <ccan/tdb2/tdb.c>
#include <ccan/tdb2/open.c>
#include <ccan/tdb2/free.c>
#include <ccan/tdb2/lock.c>
#include <ccan/tdb2/io.c>
#include <ccan/tdb2/hash.c>
#include <ccan/tdb2/transaction.c>
#include <ccan/tdb2/check.c>
#include <ccan/tap/tap.h>
static unsigned int dumb_fls(uint64_t num)
{
int i;
for (i = 63; i >= 0; i--) {
if (num & (1ULL << i))
break;
}
return i + 1;
}
int main(int argc, char *argv[])
{
unsigned int i, j;
plan_tests(64 * 64 + 2);
ok1(fls64(0) == 0);
ok1(dumb_fls(0) == 0);
for (i = 0; i < 64; i++) {
for (j = 0; j < 64; j++) {
uint64_t val = (1ULL << i) | (1ULL << j);
ok(fls64(val) == dumb_fls(val),
"%llu -> %u should be %u", (long long)val,
fls64(val), dumb_fls(val));
}
}
return exit_status();
}
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