/* $NetBSD: strtoll.c,v 1.3 2007/06/16 23:13:26 agc Exp $ */

/*
 * Copyright © 2006 Alistair Crooks.  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. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 "config.h"

#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "compat.h"

#ifndef HAVE_STRTOLL

static char	*digits = "0123456789abcdefghijklmnopqrstuvwxyz";

int64_t
strtoll(const char *ptr, const char **endptr, int base)
{
	const char	*cp;
	int64_t		 ret;
	char		*dig;
	int		 d;

	for (ret = 0, cp = ptr ; *cp && (dig = strchr(digits, *cp)) != NULL  && (d = (int)(dig - digits)) < base ; cp++) {
		ret = (ret * base) + d;
	}
	if (endptr != NULL) {
		*endptr = cp;
	}
	return ret;
}
#endif /* HAVE_STRTOLL */