mirror of
https://gitlab.isc.org/isc-projects/bind9
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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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/*
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* Copyright (C) 2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: parseint.c,v 1.1 2001/11/30 01:02:14 gson Exp $ */
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#include <config.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <isc/parseint.h>
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#include <isc/result.h>
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isc_result_t
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isc_parse_uint32(isc_uint32_t *uip, const char *string, int base) {
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unsigned long n;
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char *e;
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if (! isalnum((unsigned char)(string[0])))
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return (ISC_R_BADNUMBER);
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errno = 0;
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n = strtoul(string, &e, base);
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if (*e != '\0')
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return (ISC_R_BADNUMBER);
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if (n == ULONG_MAX && errno == ERANGE)
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return (ISC_R_RANGE);
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*uip = n;
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return (ISC_R_SUCCESS);
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}
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