mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-27 13:32:45 +00:00
3d6f63c046
hurt us. PR: misc/124164 Submitted by: KIMURA Yasuhiro < yasu utahime org > MFC after: 1 month
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 1999
|
|
* University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
|
|
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include "crypt.h"
|
|
|
|
static char itoa64[] = /* 0 ... 63 => ascii - 64 */
|
|
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
|
|
void
|
|
_crypt_to64(char *s, u_long v, int n)
|
|
{
|
|
while (--n >= 0) {
|
|
*s++ = itoa64[v&0x3f];
|
|
v >>= 6;
|
|
}
|
|
}
|
|
|
|
void
|
|
b64_from_24bit(uint8_t B2, uint8_t B1, uint8_t B0, int n, int *buflen, char **cp)
|
|
{
|
|
uint32_t w;
|
|
int i;
|
|
|
|
w = (B2 << 16) | (B1 << 8) | B0;
|
|
for (i = 0; i < n; i++) {
|
|
**cp = itoa64[w&0x3f];
|
|
(*cp)++;
|
|
if ((*buflen)-- < 0)
|
|
break;
|
|
w >>= 6;
|
|
}
|
|
}
|