1 /* $NetBSD: strtoll.c,v 1.2 2009/06/30 02:44:52 agc Exp $ */
2
3 /*
4 * Copyright � 2006 Alistair Crooks. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote
15 * products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
24 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include "config.h"
31
32 #include <sys/types.h>
33
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37
38 #include "compat.h"
39
40 #ifndef HAVE_STRTOLL
41
42 static char *digits = "0123456789abcdefghijklmnopqrstuvwxyz";
43
44 int64_t
strtoll(const char * ptr,const char ** endptr,int base)45 strtoll(const char *ptr, const char **endptr, int base)
46 {
47 const char *cp;
48 int64_t ret;
49 char *dig;
50 int d;
51
52 for (ret = 0, cp = ptr ; *cp && (dig = strchr(digits, *cp)) != NULL && (d = (int)(dig - digits)) < base ; cp++) {
53 ret = (ret * base) + d;
54 }
55 if (endptr != NULL) {
56 *endptr = cp;
57 }
58 return ret;
59 }
60 #endif /* HAVE_STRTOLL */
61