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misc.c (91754) misc.c (220497)
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

--- 14 unchanged lines hidden (view full) ---

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>
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

--- 14 unchanged lines hidden (view full) ---

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: head/lib/libcrypt/misc.c 91754 2002-03-06 17:18:09Z markm $");
31__FBSDID("$FreeBSD: head/lib/libcrypt/misc.c 220497 2011-04-09 14:02:04Z markm $");
32
33#include <sys/types.h>
34
35#include "crypt.h"
36
37static char itoa64[] = /* 0 ... 63 => ascii - 64 */
38 "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
39
40void
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}
32
33#include <sys/types.h>
34
35#include "crypt.h"
36
37static char itoa64[] = /* 0 ... 63 => ascii - 64 */
38 "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
39
40void
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}
48
49void
50b64_from_24bit(uint8_t B2, uint8_t B1, uint8_t B0, int n, int *buflen, char **cp)
51{
52 uint32_t w;
53 int i;
54
55 w = (B2 << 16) | (B1 << 8) | B0;
56 for (i = 0; i < n; i++) {
57 **cp = itoa64[w&0x3f];
58 (*cp)++;
59 if ((*buflen)-- < 0)
60 break;
61 w >>= 6;
62 }
63}