10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*6812Sraf * Common Development and Distribution License (the "License").
6*6812Sraf * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
21*6812Sraf
220Sstevel@tonic-gate /*
23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
240Sstevel@tonic-gate * Use is subject to license terms.
250Sstevel@tonic-gate */
260Sstevel@tonic-gate
270Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI"
310Sstevel@tonic-gate
320Sstevel@tonic-gate /*
330Sstevel@tonic-gate * convert base 64 ascii to long int
340Sstevel@tonic-gate * char set is [./0-9A-Za-z]
350Sstevel@tonic-gate *
360Sstevel@tonic-gate */
37*6812Sraf #include "lint.h"
380Sstevel@tonic-gate #include <sys/types.h>
390Sstevel@tonic-gate #include <stdlib.h>
400Sstevel@tonic-gate
410Sstevel@tonic-gate #define BITSPERCHAR 6 /* to hold entire character set */
420Sstevel@tonic-gate #define MAXBITS (6 * BITSPERCHAR) /* maximum number */
430Sstevel@tonic-gate /* of 6 chars converted */
440Sstevel@tonic-gate
450Sstevel@tonic-gate long
a64l(const char * s)460Sstevel@tonic-gate a64l(const char *s)
470Sstevel@tonic-gate {
480Sstevel@tonic-gate int i, c;
490Sstevel@tonic-gate int lg = 0;
500Sstevel@tonic-gate
510Sstevel@tonic-gate for (i = 0; ((c = *s++) != '\0') && (i < MAXBITS); i += BITSPERCHAR) {
520Sstevel@tonic-gate if (c > 'Z')
530Sstevel@tonic-gate c -= 'a' - 'Z' - 1;
540Sstevel@tonic-gate if (c > '9')
550Sstevel@tonic-gate c -= 'A' - '9' - 1;
560Sstevel@tonic-gate lg |= (c - ('0' - 2)) << i;
570Sstevel@tonic-gate }
580Sstevel@tonic-gate return ((long)lg);
590Sstevel@tonic-gate }
60