75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* $NetBSD: parseint.c,v 1.1.1.3 2008/06/21 18:31:12 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
|
|
* Copyright (C) 2001-2003 Internet Software Consortium.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
|
|
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/* Id: parseint.c,v 1.8 2007/06/19 23:47:17 tbox Exp */
|
|
|
|
/*! \file */
|
|
|
|
#include <config.h>
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
|
|
#include <isc/parseint.h>
|
|
#include <isc/result.h>
|
|
#include <isc/stdlib.h>
|
|
|
|
isc_result_t
|
|
isc_parse_uint32(isc_uint32_t *uip, const char *string, int base) {
|
|
unsigned long n;
|
|
char *e;
|
|
if (! isalnum((unsigned char)(string[0])))
|
|
return (ISC_R_BADNUMBER);
|
|
errno = 0;
|
|
n = strtoul(string, &e, base);
|
|
if (*e != '\0')
|
|
return (ISC_R_BADNUMBER);
|
|
if (n == ULONG_MAX && errno == ERANGE)
|
|
return (ISC_R_RANGE);
|
|
*uip = n;
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
isc_result_t
|
|
isc_parse_uint16(isc_uint16_t *uip, const char *string, int base) {
|
|
isc_uint32_t val;
|
|
isc_result_t result;
|
|
result = isc_parse_uint32(&val, string, base);
|
|
if (result != ISC_R_SUCCESS)
|
|
return (result);
|
|
if (val > 0xFFFF)
|
|
return (ISC_R_RANGE);
|
|
*uip = (isc_uint16_t) val;
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
isc_result_t
|
|
isc_parse_uint8(isc_uint8_t *uip, const char *string, int base) {
|
|
isc_uint32_t val;
|
|
isc_result_t result;
|
|
result = isc_parse_uint32(&val, string, base);
|
|
if (result != ISC_R_SUCCESS)
|
|
return (result);
|
|
if (val > 0xFF)
|
|
return (ISC_R_RANGE);
|
|
*uip = (isc_uint8_t) val;
|
|
return (ISC_R_SUCCESS);
|
|
}
|