2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2001-2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: parseint.c,v 1.8 2007/06/19 23:47:17 tbox Exp $ */
28 #include <isc/parseint.h>
29 #include <isc/result.h>
30 #include <isc/stdlib.h>
33 isc_parse_uint32(isc_uint32_t *uip, const char *string, int base) {
36 if (! isalnum((unsigned char)(string[0])))
37 return (ISC_R_BADNUMBER);
39 n = strtoul(string, &e, base);
41 return (ISC_R_BADNUMBER);
42 if (n == ULONG_MAX && errno == ERANGE)
45 return (ISC_R_SUCCESS);
49 isc_parse_uint16(isc_uint16_t *uip, const char *string, int base) {
52 result = isc_parse_uint32(&val, string, base);
53 if (result != ISC_R_SUCCESS)
57 *uip = (isc_uint16_t) val;
58 return (ISC_R_SUCCESS);
62 isc_parse_uint8(isc_uint8_t *uip, const char *string, int base) {
65 result = isc_parse_uint32(&val, string, base);
66 if (result != ISC_R_SUCCESS)
70 *uip = (isc_uint8_t) val;
71 return (ISC_R_SUCCESS);