1 | /*
2 | * Copyright (c) 1999
3 | * University of California. All rights reserved.
4 | *
5 | * Redistribution and use in source and binary forms, with or without
6 | * modification, are permitted provided that the following conditions
7 | * are met:
8 | * 1. Redistributions of source code must retain the above copyright
9 | * notice, this list of conditions and the following disclaimer.
10 | * 2. Redistributions in binary form must reproduce the above copyright
11 | * notice, this list of conditions and the following disclaimer in the
12 | * documentation and/or other materials provided with the distribution.
13 | * 3. Neither the name of the author nor the names of any co-contributors
14 | * may be used to endorse or promote products derived from this software
15 | * without specific prior written permission.
16 | *
17 | * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
18 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 | * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 | */
29 |
30 | /* #include <sys/cdefs.h>
31 | __FBSDID("$FreeBSD: src/lib/libcrypt/misc.c,v 1.3 2002/03/06 17:18:08 markm Exp $");
32 | */
33 | #include <sys/types.h>
34 |
35 | #include "crypt.h"
36 |
37 | static char itoa64[] = /* 0 ... 63 => ascii - 64 */
38 | "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
39 |
40 | void
41 | _crypt_to64(char *s, u_long v, int n)
42 | {
43 | while (--n >= 0) {
44 | *s++ = itoa64[v&0x3f];
45 | v >>= 6;
46 | }
47 | }