Example #1
0
static ERTS_INLINE Eterm
make_unique_monotonic_integer_value(Eterm *hp, Uint hsz, Uint64 raw, int positive)
{
    Eterm res;
#ifdef DEBUG
    Eterm *end_hp = hp + hsz;
#endif

    if (positive) {
	Uint64 value = raw+1;
	res = hsz ? erts_uint64_to_big(value, &hp) : make_small(value);
    }
    else {
	Sint64 value = ((Sint64) raw) + ERTS_UNIQUE_MONOTONIC_OFFSET;
	if (hsz == 0)
	    res = make_small(value);
	else {
#if defined(ARCH_32)
	    res = erts_sint64_to_big(value, &hp);
#else 
	    res = erts_uint64_to_big((Uint64) value, &hp);
#endif
	}
    }

    ASSERT(end_hp == hp);

    return res;
}
Example #2
0
File: erl_nif.c Project: a5an0/otp
ERL_NIF_TERM enif_make_long(ErlNifEnv* env, long i)
{
    if (IS_SSMALL(i)) {
	return make_small(i);
    }
#if SIZEOF_LONG == ERTS_SIZEOF_ETERM
    return small_to_big(i, alloc_heap(env,2));
#elif SIZEOF_LONG == 8
    ensure_heap(env,3);
    return erts_sint64_to_big(i, &env->hp);
#endif
}