Source File au/misc.c

    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   | }