/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Written by J.T. Conklin <jtc@netbsd.org>. * Public domain. */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: a64l.c,v 1.3 1997/08/17 22:58:34 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <errno.h> #include <stdlib.h> long a64l(s) const char *s; { long value, digit, shift; int i; if (s == NULL) { errno = EINVAL; return(-1L); } value = 0; shift = 0; for (i = 0; *s && i < 6; i++, s++) { if (*s >= '.' && *s <= '/') digit = *s - '.'; else if (*s >= '0' && *s <= '9') digit = *s - '0' + 2; else if (*s >= 'A' && *s <= 'Z') digit = *s - 'A' + 12; else if (*s >= 'a' && *s <= 'z') digit = *s - 'a' + 38; else { errno = EINVAL; return(-1L); } value |= digit << shift; shift += 6; } return(value); }