1*0a6a1f1dSLionel Sambuc /* $NetBSD: atoi.c,v 1.1 2014/08/10 07:40:49 isaki Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2008 The NetBSD Foundation, Inc.
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc * are met:
10*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc *
16*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc */
28*0a6a1f1dSLionel Sambuc
29*0a6a1f1dSLionel Sambuc #include <sys/types.h>
30*0a6a1f1dSLionel Sambuc #include <sys/reboot.h>
31*0a6a1f1dSLionel Sambuc
32*0a6a1f1dSLionel Sambuc #include <lib/libsa/stand.h>
33*0a6a1f1dSLionel Sambuc #include <lib/libkern/libkern.h>
34*0a6a1f1dSLionel Sambuc
35*0a6a1f1dSLionel Sambuc int
atoi(const char * in)36*0a6a1f1dSLionel Sambuc atoi(const char *in)
37*0a6a1f1dSLionel Sambuc {
38*0a6a1f1dSLionel Sambuc char *c;
39*0a6a1f1dSLionel Sambuc int ret;
40*0a6a1f1dSLionel Sambuc
41*0a6a1f1dSLionel Sambuc ret = 0;
42*0a6a1f1dSLionel Sambuc c = (char *)in;
43*0a6a1f1dSLionel Sambuc if (*c == '-')
44*0a6a1f1dSLionel Sambuc c++;
45*0a6a1f1dSLionel Sambuc for (; isdigit(*c); c++)
46*0a6a1f1dSLionel Sambuc ret = (ret * 10) + (*c - '0');
47*0a6a1f1dSLionel Sambuc
48*0a6a1f1dSLionel Sambuc return (*in == '-') ? -ret : ret;
49*0a6a1f1dSLionel Sambuc }
50