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 | }