| @@ -17,37 +17,37 @@ | | | @@ -17,37 +17,37 @@ |
17 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | | 17 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
18 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | | 18 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
19 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | | 19 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
20 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | | 20 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
27 | * POSSIBILITY OF SUCH DAMAGE. | | 27 | * POSSIBILITY OF SUCH DAMAGE. |
28 | */ | | 28 | */ |
29 | #include <sys/cdefs.h> | | 29 | #include <sys/cdefs.h> |
30 | __RCSID("$NetBSD: h_lfsr.c,v 1.1 2015/11/18 18:35:35 christos Exp $"); | | 30 | __RCSID("$NetBSD: h_lfsr.c,v 1.1.8.1 2017/07/10 13:01:13 martin Exp $"); |
31 | | | 31 | |
32 | #include <stdio.h> | | 32 | #include <stdio.h> |
33 | #include <stdlib.h> | | 33 | #include <stdlib.h> |
34 | #include <fcntl.h> | | 34 | #include <fcntl.h> |
35 | #include <err.h> | | 35 | #include <err.h> |
36 | #include <string.h> | | 36 | #include <string.h> |
37 | #include <unistd.h> | | 37 | #include <unistd.h> |
38 | #include <db.h> | | 38 | #include <db.h> |
39 | | | 39 | |
40 | #define MAXKEY 0xffff | | 40 | #define MAXKEY 1000 |
41 | #ifdef DEBUG | | 41 | #ifdef DEBUG |
42 | #define DPRINTF(...) printf(__VA_ARGS__) | | 42 | #define DPRINTF(...) printf(__VA_ARGS__) |
43 | #else | | 43 | #else |
44 | #define DPRINTF(...) | | 44 | #define DPRINTF(...) |
45 | #endif | | 45 | #endif |
46 | | | 46 | |
47 | static uint16_t | | 47 | static uint16_t |
48 | next(uint16_t *cur) | | 48 | next(uint16_t *cur) |
49 | { | | 49 | { |
50 | uint16_t lsb = *cur & 1; | | 50 | uint16_t lsb = *cur & 1; |
51 | *cur >>= 1; | | 51 | *cur >>= 1; |
52 | *cur ^= (-lsb) & 0xB400u; | | 52 | *cur ^= (-lsb) & 0xB400u; |
53 | return *cur; | | 53 | return *cur; |