2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2001-2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and 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 1.3.26.5 2004/03/08 09:04:49 marka Exp $ */
26 #include <isc/parseint.h>
27 #include <isc/result.h>
28 #include <isc/stdlib.h>
31 isc_parse_uint32(isc_uint32_t *uip, const char *string, int base) {
34 if (! isalnum((unsigned char)(string[0])))
35 return (ISC_R_BADNUMBER);
37 n = strtoul(string, &e, base);
39 return (ISC_R_BADNUMBER);
40 if (n == ULONG_MAX && errno == ERANGE)
43 return (ISC_R_SUCCESS);
47 isc_parse_uint16(isc_uint16_t *uip, const char *string, int base) {
50 result = isc_parse_uint32(&val, string, base);
51 if (result != ISC_R_SUCCESS)
55 *uip = (isc_uint16_t) val;
56 return (ISC_R_SUCCESS);
60 isc_parse_uint8(isc_uint8_t *uip, const char *string, int base) {
63 result = isc_parse_uint32(&val, string, base);
64 if (result != ISC_R_SUCCESS)
68 *uip = (isc_uint8_t) val;
69 return (ISC_R_SUCCESS);