1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 /* 34 * convert base 64 ascii to long int 35 * char set is [./0-9A-Za-z] 36 * 37 */ 38 #pragma weak a64l = _a64l 39 #include "synonyms.h" 40 #include <sys/types.h> 41 #include <stdlib.h> 42 43 #define BITSPERCHAR 6 /* to hold entire character set */ 44 #define MAXBITS (6 * BITSPERCHAR) /* maximum number */ 45 /* of 6 chars converted */ 46 47 long 48 a64l(const char *s) 49 { 50 int i, c; 51 int lg = 0; 52 53 for (i = 0; ((c = *s++) != '\0') && (i < MAXBITS); i += BITSPERCHAR) { 54 if (c > 'Z') 55 c -= 'a' - 'Z' - 1; 56 if (c > '9') 57 c -= 'A' - '9' - 1; 58 lg |= (c - ('0' - 2)) << i; 59 } 60 return ((long)lg); 61 } 62