/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef ISC_PARSEINT_H

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#define ISC_PARSEINT_H 1

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#include <inttypes.h>

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#include <isc/lang.h>

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#include <isc/types.h>

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/*! \file isc/parseint.h

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* \brief Parse integers, in a saner way than atoi() or strtoul() do.

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*/

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/***

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*** Functions

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***/

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ISC_LANG_BEGINDECLS

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isc_result_t

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isc_parse_uint32(uint32_t *uip, const char *string, int base);

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isc_result_t

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isc_parse_uint16(uint16_t *uip, const char *string, int base);

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isc_result_t

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isc_parse_uint8(uint8_t *uip, const char *string, int base);

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/*%<

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* Parse the null-terminated string 'string' containing a base 'base'

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* integer, storing the result in '*uip'.

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* The base is interpreted

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* as in strtoul(). Unlike strtoul(), leading whitespace, minus or

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* plus signs are not accepted, and all errors (including overflow)

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* are reported uniformly through the return value.

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*

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* Requires:

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*\li 'string' points to a null-terminated string

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*\li 0 <= 'base' <= 36

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*

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* Returns:

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*\li #ISC_R_SUCCESS

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*\li #ISC_R_BADNUMBER The string is not numeric (in the given base)

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*\li #ISC_R_RANGE The number is not representable as the requested type.

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*/

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ISC_LANG_ENDDECLS

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#endif /* ISC_PARSEINT_H */

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